RE: JNDI question
closing a connection that you obtained through a pooled DataSource will
merely return it to the pool, and not actually close it.
> -Original Message-
> From: Randy [mailto:[EMAIL PROTECTED]
> Sent: Thursday, May 27, 2004 3:55 PM
> To: 'Tomcat Users List'
> Subject: RE:JNDI question
>
>
> Hello,
>
> I have an easy question about using JNDI in tomcat 5
>
> I am using the example @
> http://jakarta.apache.org/tomcat/tomcat-5.0-doc/jndi-resources
> -howto.html
>
> Below is my server.xml entry
>
> Here is what I do not quite understand.
>
> In this little bit of code do I have to do anything to use the pooling
>
> When I do a conn.close, does that actually close the db
> connection, or does it just release it to the pool
>
> Thanks
>
> Sorry if this is an obvious question
>
> Randy
>
>
> Context initCtx = new InitialContext();
> DataSource ds =
> (DataSource)envCtx.lookup("java:comp/env/jdbc/UnitNet");
>
> Connection conn = ds.getConnection();
> ... use this connection to access the database ... conn.close();
>
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RE: JNDI Question
Have a look at http://issues.apache.org/bugzilla/show_bug.cgi?id=29584. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: JNDI question
Hi, Yes, there are ways. Two general approaches: - Using JMX (not very convenient at the moment, but doable if you're willing to write some code) - By casting the DataSource you get from the JNDI lookup to the implementation type, e.g. org.apache.commons.dbcp.BasicDataSource or whatever, and then calling the specific methods provides by the implementation class. You'll find that DBCP and other connection pooling providers give you all these methods you're asking for. Yoav Shapira Millennium Research Informatics >-Original Message- >From: Randy Paries [mailto:[EMAIL PROTECTED] >Sent: Monday, August 09, 2004 2:37 PM >To: 'Tomcat Users List' >Subject: JNDI question > >Hello > >I am using Tomcat 5 with JNDI(mysql) > >Are there ways to get usages info from the POOL > >Like active connections, max connections (basically the state of the DB >Pool) > >Thanks for any help > > > >- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: jndi question
Hi Sean, > --- Ursprüngliche Nachricht --- > Von: Sean Rowe <[EMAIL PROTECTED]> > An: tomcat-user@jakarta.apache.org > Betreff: jndi question > Datum: Mon, 22 Aug 2005 01:26:49 -0500 > > I have tried for several hours now to get connection pooling for my > MySql database to work, but have been unable to do so. I keep getting > this error: > > javax.naming.NoInitialContextException: Cannot instantiate class: > org.apache.commons.dbcp.BasicDataSourceFactory > > > It's bombing out on this code: > > Properties p=new Properties(); > > p.put(Context.INITIAL_CONTEXT_FACTORY,"org.apache.commons.dbcp.BasicDataSourceFactory"); > p.put(Context.PROVIDER_URL,"jdbc:mysql://localhost:3306"); > Context initCtx = new InitialContext(p); // here's where it dies > You're mixing up some concepts here. Context.INITIAL_CONTEXT_FACTORY is meant to provide the name of a factory producing JNDI contexts, not a factory for producing JDBC DataSources. The same goes for the next line of code. Context.PROVIDER_URL is not used for providing information about a database connection. There is extensive documentation on the tomcat web site regarding JNDI ressource configuration. Have a look at the following URL: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources-howto.html > Can someone please help me, or at least point me in the direction of > some documentation that I've missed? I've searched google and every > other search engine I can think of. Thanks in advance. > > Sean Rowe > Regards Dirk -- GMX DSL = Maximale Leistung zum minimalen Preis! 2000 MB nur 2,99, Flatrate ab 4,99 Euro/Monat: http://www.gmx.net/de/go/dsl - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: jndi question
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here's what I get (which led me to trying it the way I
posted):
javax.naming.NameNotFoundException: Name java:comp is not bound in this Context
Any ideas? Thanks again.
Sean
Dirk Weigenand wrote:
Hi Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: tomcat-user@jakarta.apache.org
Betreff: jndi question
Datum: Mon, 22 Aug 2005 01:26:49 -0500
I have tried for several hours now to get connection pooling for my
MySql database to work, but have been unable to do so. I keep getting
this error:
javax.naming.NoInitialContextException: Cannot instantiate class:
org.apache.commons.dbcp.BasicDataSourceFactory
It's bombing out on this code:
Properties p=new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY,"org.apache.commons.dbcp.BasicDataSourceFactory");
p.put(Context.PROVIDER_URL,"jdbc:mysql://localhost:3306");
Context initCtx = new InitialContext(p); // here's where it dies
You're mixing up some concepts here. Context.INITIAL_CONTEXT_FACTORY is
meant to provide the name of a factory producing JNDI contexts, not a
factory for producing JDBC DataSources. The same goes for the next line of
code. Context.PROVIDER_URL is not used for providing information about a
database connection.
There is extensive documentation on the tomcat web site regarding JNDI
ressource configuration. Have a look at the following URL:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources-howto.html
Can someone please help me, or at least point me in the direction of
some documentation that I've missed? I've searched google and every
other search engine I can think of. Thanks in advance.
Sean Rowe
Regards
Dirk
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Re: jndi question
Sean,
> --- Ursprüngliche Nachricht ---
> Von: Sean Rowe <[EMAIL PROTECTED]>
> An: Tomcat Users List
> Betreff: Re: jndi question
> Datum: Mon, 22 Aug 2005 09:24:10 -0500
>
> Thanks for responding Dirk. I've practically memorized the
> documentation on the link you sent:
>
> // Obtain our environment naming context
> Context initCtx = new InitialContext();
> Context envCtx = (Context) initCtx.lookup("java:comp/env");
>
> // Look up our data source
> DataSource ds = (DataSource)
> envCtx.lookup("jdbc/EmployeeDB");
>
> // Allocate and use a connection from the pool
> Connection conn = ds.getConnection();
> ... use this connection to access the database ...
> conn.close();
>
> Whenever I try this, here's what I get (which led me to trying it the way
> I posted):
>
> javax.naming.NameNotFoundException: Name java:comp is not bound in this
> Context
>
No. Did you look at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html?
I recommend putting the context definition in its own content.xml. On
redeploying my application tomcat wouldn't find the driver class anymore.
Mind you not the class itself but the definition of what class to load.
This problem was solved by putting the context into context.xml.
regards
Dirk
--
GMX DSL = Maximale Leistung zum minimalen Preis!
2000 MB nur 2,99, Flatrate ab 4,99 Euro/Monat: http://www.gmx.net/de/go/dsl
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Re: jndi question
Hi Dirk,
Thanks again for responding. I have tried putting this into it's own
context file. For my latest attempt, I have created the data source
using the admin module, and it rewrote my server.xml file for me, so I'm
assuming it's in there correctly. No matter how I do it ( and i really
have followed the directions in the link you gave me), I can't seem to
get it to work. I must be missing something, but I can't seem to find it.
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here's what I get (which led me to trying it the way
I posted):
javax.naming.NameNotFoundException: Name java:comp is not bound in this
Context
No. Did you look at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html?
I recommend putting the context definition in its own content.xml. On
redeploying my application tomcat wouldn't find the driver class anymore.
Mind you not the class itself but the definition of what class to load.
This problem was solved by putting the context into context.xml.
regards
Dirk
-
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Re: jndi question
Dirk, I'm sorry I didn't see the difference on the page you sent me to.
However, if there is a way I can do this without having to use jstl, I
would really like to know. I was hoping to put the code in a class
somewhere that my servlets could use.
thanks,
sean
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here's what I get (which led me to trying it the way
I posted):
javax.naming.NameNotFoundException: Name java:comp is not bound in this
Context
No. Did you look at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html?
I recommend putting the context definition in its own content.xml. On
redeploying my application tomcat wouldn't find the driver class anymore.
Mind you not the class itself but the definition of what class to load.
This problem was solved by putting the context into context.xml.
regards
Dirk
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
Re: jndi question
Yes you can use JNDI with out using JSTL. But the only way to configure
it is to define the JNDI resources in the web.xml and context.xml files.
Technically you should be able to use the globally defined JNDI
resources in server.xml, and I have seen configuration set ups doing it
when googling. But could never get them to work.
This highlights another area of seemingly unneeded complication in
Java/Unix development. Using JNDI for data sources which was supposed
to help you save time requires that you redundantly define the JNDI
resource in at lest 2 if not 3 places.
The admin tool which was also supposed to help save time defines the
JNDI resources in server.xml which does not really seem to be all that
helpful. I am sure there is likely a reason for this but I am ignorant
of it. The admin tool is also supposed to let you define JNDI resources
per context but it errors out when ever I have tried it.
My experience with the Tomcat Admin and Manager tools is that they are
worthless. Of the few steps they try to help with more often that not
they just return errors when you need to use it. I removed them both
and have gone back to doing set ups manually and there has not been much
of a time difference doing it this way.
Any way for JNDI to work you will have to add the definition for it in
both web.xml and context.xml in the <Folder>>/conf/Catalina/localhost/ folder. This seems counter productive
since it makes your app less portable having the data base configuration
details inside the context and by extent the WAR file but it is what you
have to do to get it to work right now.
I feel your pain I know it is frustrating spending hours debugging just
the DB connection but todate that is the reality of Java web app
development. It is why I fear we will all be .Net developers some day.
Example :
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources-howto.html
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Resource reference to a factory for java.sql.Connection
instances that may be used for talking to a particular
database that is configured in the server.xml file.
jdbc/EmployeeDB
javax.sql.DataSource
Container
Sean Rowe wrote:
Dirk, I'm sorry I didn't see the difference on the page you sent me to.
However, if there is a way I can do this without having to use jstl, I
would really like to know. I was hoping to put the code in a class
somewhere that my servlets could use.
thanks,
sean
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here's what I get (which led me to trying it the
way
I posted):
javax.naming.NameNotFoundException: Name java:comp is not bound in this
Context
No. Did you look at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html?
I recommend putting the context definition in its own content.xml. On
redeploying my application tomcat wouldn't find the driver class anymore.
Mind you not the class itself but the definition of what class to load.
This problem was solved by putting the context into context.xml.
regards
Dirk
-
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--
Brian Cook
Digital Services Analyst
Print Time Inc.
[EMAIL PROTECTED]
913.345.8900
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Re: jndi question
Brian, thank you for replying. I was afraid my topic was dead. If you
could look at my first post, I listed all the files that you have
suggested I take a look at. I have done everything you have suggested,
but am still getting errors. The error I am getting now is
javax.naming.NameNotFoundException: Name java:comp is not bound in this
Context
I can't find anything on the net or in any books I've looked at that
explains this. As far as I can tell, java:comp should just be there.
Any ideas? Thanks again.
Sean
Brian Cook wrote:
Yes you can use JNDI with out using JSTL. But the only way to
configure it is to define the JNDI resources in the web.xml and
context.xml files.Technically you should be able to use the
globally defined JNDI resources in server.xml, and I have seen
configuration set ups doing it when googling. But could never get
them to work.
This highlights another area of seemingly unneeded complication in
Java/Unix development. Using JNDI for data sources which was supposed
to help you save time requires that you redundantly define the JNDI
resource in at lest 2 if not 3 places.
The admin tool which was also supposed to help save time defines the
JNDI resources in server.xml which does not really seem to be all that
helpful. I am sure there is likely a reason for this but I am
ignorant of it. The admin tool is also supposed to let you define
JNDI resources per context but it errors out when ever I have tried it.
My experience with the Tomcat Admin and Manager tools is that they are
worthless. Of the few steps they try to help with more often that not
they just return errors when you need to use it. I removed them both
and have gone back to doing set ups manually and there has not been
much of a time difference doing it this way.
Any way for JNDI to work you will have to add the definition for it in
both web.xml and context.xml in the <Folder>>/conf/Catalina/localhost/ folder. This seems counter
productive since it makes your app less portable having the data base
configuration details inside the context and by extent the WAR file
but it is what you have to do to get it to work right now.
I feel your pain I know it is frustrating spending hours debugging
just the DB connection but todate that is the reality of Java web app
development. It is why I fear we will all be .Net developers some day.
Example :
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources-howto.html
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Resource reference to a factory for java.sql.Connection
instances that may be used for talking to a particular
database that is configured in the server.xml file.
jdbc/EmployeeDB
javax.sql.DataSource
Container
driverClassName="org.hsql.jdbcDriver"
url="jdbc:HypersonicSQL:database"
maxActive="8"
maxIdle="4"/>
Sean Rowe wrote:
Dirk, I'm sorry I didn't see the difference on the page you sent me
to. However, if there is a way I can do this without having to use
jstl, I would really like to know. I was hoping to put the code in a
class somewhere that my servlets could use.
thanks,
sean
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here's what I get (which led me to trying it
the way
I posted):
javax.naming.NameNotFoundException: Name java:comp is not bound in
this
Context
No. Did you look at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html?
I recommend putting the context definition in its own content.xml. On
redeploying my application tomcat wouldn't find the driver class
anymore.
Mind you not the class itself but the definition of what class to load.
This problem was solved by putting the context into context.xml.
regards
Dirk
RE: jndi question
Hi,
The documentation says;
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
However, we use;
try {
Context ctx = new InitialContext();
dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/yourdb");
} catch (NamingException nE) {
// log somewhere
} catch (NullPointerException npE) {
// log somewhere
}
Does that work for you? Allistair
> -Original Message-
> From: Sean Rowe [mailto:[EMAIL PROTECTED]
> Sent: 23 August 2005 16:29
> To: Tomcat Users List
> Subject: Re: jndi question
>
>
> Brian, thank you for replying. I was afraid my topic was
> dead. If you
> could look at my first post, I listed all the files that you have
> suggested I take a look at. I have done everything you have
> suggested,
> but am still getting errors. The error I am getting now is
>
> javax.naming.NameNotFoundException: Name java:comp is not
> bound in this
> Context
>
> I can't find anything on the net or in any books I've looked at that
> explains this. As far as I can tell, java:comp should just
> be there.
> Any ideas? Thanks again.
>
> Sean
>
> Brian Cook wrote:
>
> >
> > Yes you can use JNDI with out using JSTL. But the only way to
> > configure it is to define the JNDI resources in the web.xml and
> > context.xml files.Technically you should be able to use the
> > globally defined JNDI resources in server.xml, and I have seen
> > configuration set ups doing it when googling. But could never get
> > them to work.
> >
> > This highlights another area of seemingly unneeded complication in
> > Java/Unix development. Using JNDI for data sources which
> was supposed
> > to help you save time requires that you redundantly define the JNDI
> > resource in at lest 2 if not 3 places.
> >
> > The admin tool which was also supposed to help save time
> defines the
> > JNDI resources in server.xml which does not really seem to
> be all that
> > helpful. I am sure there is likely a reason for this but I am
> > ignorant of it. The admin tool is also supposed to let you define
> > JNDI resources per context but it errors out when ever I
> have tried it.
> >
> > My experience with the Tomcat Admin and Manager tools is
> that they are
> > worthless. Of the few steps they try to help with more
> often that not
> > they just return errors when you need to use it. I removed
> them both
> > and have gone back to doing set ups manually and there has not been
> > much of a time difference doing it this way.
> >
> > Any way for JNDI to work you will have to add the
> definition for it in
> > both web.xml and context.xml in the < > Folder>>/conf/Catalina/localhost/ folder. This seems counter
> > productive since it makes your app less portable having the
> data base
> > configuration details inside the context and by extent the WAR file
> > but it is what you have to do to get it to work right now.
> >
> > I feel your pain I know it is frustrating spending hours debugging
> > just the DB connection but todate that is the reality of
> Java web app
> > development. It is why I fear we will all be .Net
> developers some day.
> >
> >
> > Example :
> >
> http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources
> -howto.html
> >
> >
> >
> > Context initCtx = new InitialContext();
> > Context envCtx = (Context) initCtx.lookup("java:comp/env");
> > DataSource ds = (DataSource)
> > envCtx.lookup("jdbc/EmployeeDB");
> >
> > Connection conn = ds.getConnection();
> > ... use this connection to access the database ...
> > conn.close();
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Resource reference to a factory for java.sql.Connection
> > instances that may be used for talking to a particular
> > database that is configured in the server.xml file.
> >
> >
> > jdbc/EmployeeDB
> >
> >
> > javax.sql.DataSource
> >
> >
> > Container
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >> auth="Container"
> > type="javax.sql.DataSource"
> > username="dbusername"
> > password="dbpassword"
> >
Re: jndi question
no, that didn't help. thanks though.
could this maybe be a class problem? am i using the wrong jar files? i
can list the files i'm using if anyone thinks it might be the problem
Allistair Crossley wrote:
Hi,
The documentation says;
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
However, we use;
try {
Context ctx = new InitialContext();
dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/yourdb");
} catch (NamingException nE) {
// log somewhere
} catch (NullPointerException npE) {
// log somewhere
}
Does that work for you? Allistair
-Original Message-
From: Sean Rowe [mailto:[EMAIL PROTECTED]
Sent: 23 August 2005 16:29
To: Tomcat Users List
Subject: Re: jndi question
Brian, thank you for replying. I was afraid my topic was
dead. If you
could look at my first post, I listed all the files that you have
suggested I take a look at. I have done everything you have
suggested,
but am still getting errors. The error I am getting now is
javax.naming.NameNotFoundException: Name java:comp is not
bound in this
Context
I can't find anything on the net or in any books I've looked at that
explains this. As far as I can tell, java:comp should just
be there.
Any ideas? Thanks again.
Sean
Brian Cook wrote:
Yes you can use JNDI with out using JSTL. But the only way to
configure it is to define the JNDI resources in the web.xml and
context.xml files.Technically you should be able to use the
globally defined JNDI resources in server.xml, and I have seen
configuration set ups doing it when googling. But could never get
them to work.
This highlights another area of seemingly unneeded complication in
Java/Unix development. Using JNDI for data sources which
was supposed
to help you save time requires that you redundantly define the JNDI
resource in at lest 2 if not 3 places.
The admin tool which was also supposed to help save time
defines the
JNDI resources in server.xml which does not really seem to
be all that
helpful. I am sure there is likely a reason for this but I am
ignorant of it. The admin tool is also supposed to let you define
JNDI resources per context but it errors out when ever I
have tried it.
My experience with the Tomcat Admin and Manager tools is
that they are
worthless. Of the few steps they try to help with more
often that not
they just return errors when you need to use it. I removed
them both
and have gone back to doing set ups manually and there has not been
much of a time difference doing it this way.
Any way for JNDI to work you will have to add the
definition for it in
both web.xml and context.xml in the <Folder>>/conf/Catalina/localhost/ folder. This seems counter
productive since it makes your app less portable having the
data base
configuration details inside the context and by extent the WAR file
but it is what you have to do to get it to work right now.
I feel your pain I know it is frustrating spending hours debugging
just the DB connection but todate that is the reality of
Java web app
development. It is why I fear we will all be .Net
developers some day.
Example :
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources
-howto.html
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Resource reference to a factory for java.sql.Connection
instances that may be used for talking to a particular
database that is configured in the server.xml file.
jdbc/EmployeeDB
javax.sql.DataSource
Container
driverClassName="org.hsql.jdbcDriver"
url="jdbc:HypersonicSQL:database"
maxActive="8"
maxIdle="4"/>
Sean Rowe wrote:
Dirk, I'm sorry I didn't see the difference on the page
you sent me
to. However, if there is a way I can do this without
having to use
jstl, I would really like to know. I was hoping to put
the code in a
class somewhere that my servlets could use.
thanks,
sean
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment
RE: jndi question
If you could please send
1. server.xml
2. web.xml
3. context.xml or yourwebapp.xml
4. list of files in common/lib
5. list of files in yourwebapp/WEB-INF/lib
I'd be happy to see if I can spot anything.
> -Original Message-
> From: Sean Rowe [mailto:[EMAIL PROTECTED]
> Sent: 23 August 2005 16:41
> To: Tomcat Users List
> Subject: Re: jndi question
>
>
> no, that didn't help. thanks though.
>
> could this maybe be a class problem? am i using the wrong
> jar files? i
> can list the files i'm using if anyone thinks it might be the problem
>
> Allistair Crossley wrote:
>
> >Hi,
> >
> >The documentation says;
> >
> >Context initCtx = new InitialContext();
> >Context envCtx = (Context) initCtx.lookup("java:comp/env");
> >DataSource ds = (DataSource)
> > envCtx.lookup("jdbc/EmployeeDB");
> >
> >However, we use;
> >
> >try {
> > Context ctx = new InitialContext();
> > dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/yourdb");
> >} catch (NamingException nE) {
> > // log somewhere
> >} catch (NullPointerException npE) {
> > // log somewhere
> >}
> >
> >Does that work for you? Allistair
> >
> >
> >
> >>-Original Message-
> >>From: Sean Rowe [mailto:[EMAIL PROTECTED]
> >>Sent: 23 August 2005 16:29
> >>To: Tomcat Users List
> >>Subject: Re: jndi question
> >>
> >>
> >>Brian, thank you for replying. I was afraid my topic was
> >>dead. If you
> >>could look at my first post, I listed all the files that you have
> >>suggested I take a look at. I have done everything you have
> >>suggested,
> >>but am still getting errors. The error I am getting now is
> >>
> >>javax.naming.NameNotFoundException: Name java:comp is not
> >>bound in this
> >>Context
> >>
> >>I can't find anything on the net or in any books I've
> looked at that
> >>explains this. As far as I can tell, java:comp should just
> >>be there.
> >>Any ideas? Thanks again.
> >>
> >>Sean
> >>
> >>Brian Cook wrote:
> >>
> >>
> >>
> >>>Yes you can use JNDI with out using JSTL. But the only way to
> >>>configure it is to define the JNDI resources in the web.xml and
> >>>context.xml files.Technically you should be able to use the
> >>>globally defined JNDI resources in server.xml, and I have seen
> >>>configuration set ups doing it when googling. But could never get
> >>>them to work.
> >>>
> >>>This highlights another area of seemingly unneeded complication in
> >>>Java/Unix development. Using JNDI for data sources which
> >>>
> >>>
> >>was supposed
> >>
> >>
> >>>to help you save time requires that you redundantly define
> the JNDI
> >>>resource in at lest 2 if not 3 places.
> >>>
> >>>The admin tool which was also supposed to help save time
> >>>
> >>>
> >>defines the
> >>
> >>
> >>>JNDI resources in server.xml which does not really seem to
> >>>
> >>>
> >>be all that
> >>
> >>
> >>>helpful. I am sure there is likely a reason for this but I am
> >>>ignorant of it. The admin tool is also supposed to let you define
> >>>JNDI resources per context but it errors out when ever I
> >>>
> >>>
> >>have tried it.
> >>
> >>
> >>>My experience with the Tomcat Admin and Manager tools is
> >>>
> >>>
> >>that they are
> >>
> >>
> >>>worthless. Of the few steps they try to help with more
> >>>
> >>>
> >>often that not
> >>
> >>
> >>>they just return errors when you need to use it. I removed
> >>>
> >>>
> >>them both
> >>
> >>
> >>>and have gone back to doing set ups manually and there has
> not been
> >>>much of a time difference doing it this way.
> >>>
> >>>Any way for JNDI to work you will have to add the
> >>>
> >>>
> >>definition for it in
> >>
> >>
> >>>both web.xml and context.xml in
Re: jndi question
thank you, i will
Allistair Crossley wrote:
If you could please send
1. server.xml
2. web.xml
3. context.xml or yourwebapp.xml
4. list of files in common/lib
5. list of files in yourwebapp/WEB-INF/lib
I'd be happy to see if I can spot anything.
-Original Message-
From: Sean Rowe [mailto:[EMAIL PROTECTED]
Sent: 23 August 2005 16:41
To: Tomcat Users List
Subject: Re: jndi question
no, that didn't help. thanks though.
could this maybe be a class problem? am i using the wrong
jar files? i
can list the files i'm using if anyone thinks it might be the problem
Allistair Crossley wrote:
Hi,
The documentation says;
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
However, we use;
try {
Context ctx = new InitialContext();
dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/yourdb");
} catch (NamingException nE) {
// log somewhere
} catch (NullPointerException npE) {
// log somewhere
}
Does that work for you? Allistair
-Original Message-
From: Sean Rowe [mailto:[EMAIL PROTECTED]
Sent: 23 August 2005 16:29
To: Tomcat Users List
Subject: Re: jndi question
Brian, thank you for replying. I was afraid my topic was
dead. If you
could look at my first post, I listed all the files that you have
suggested I take a look at. I have done everything you have
suggested,
but am still getting errors. The error I am getting now is
javax.naming.NameNotFoundException: Name java:comp is not
bound in this
Context
I can't find anything on the net or in any books I've
looked at that
explains this. As far as I can tell, java:comp should just
be there.
Any ideas? Thanks again.
Sean
Brian Cook wrote:
Yes you can use JNDI with out using JSTL. But the only way to
configure it is to define the JNDI resources in the web.xml and
context.xml files.Technically you should be able to use the
globally defined JNDI resources in server.xml, and I have seen
configuration set ups doing it when googling. But could never get
them to work.
This highlights another area of seemingly unneeded complication in
Java/Unix development. Using JNDI for data sources which
was supposed
to help you save time requires that you redundantly define
the JNDI
resource in at lest 2 if not 3 places.
The admin tool which was also supposed to help save time
defines the
JNDI resources in server.xml which does not really seem to
be all that
helpful. I am sure there is likely a reason for this but I am
ignorant of it. The admin tool is also supposed to let you define
JNDI resources per context but it errors out when ever I
have tried it.
My experience with the Tomcat Admin and Manager tools is
that they are
worthless. Of the few steps they try to help with more
often that not
they just return errors when you need to use it. I removed
them both
and have gone back to doing set ups manually and there has
not been
much of a time difference doing it this way.
Any way for JNDI to work you will have to add the
definition for it in
both web.xml and context.xml in the <Folder>>/conf/Catalina/localhost/ folder. This seems counter
productive since it makes your app less portable having the
data base
configuration details inside the context and by extent the
WAR file
but it is what you have to do to get it to work right now.
I feel your pain I know it is frustrating spending hours debugging
just the DB connection but todate that is the reality of
Java web app
development. It is why I fear we will all be .Net
developers some day.
Example :
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources
-howto.html
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Resource reference to a factory for java.sql.Connection
instances that may be used for talking to a particular
database that is configured in the server.xml file.
jdbc/EmployeeDB
javax.sql.DataSource
Container
driverClassName="org.hsql.jdbcDriver"
url="jdbc:HypersonicSQL:database"
maxActive="8"
maxIdle="4"/>
Re: jndi question
Actually the files I listed are NOT in the first post. It shows the
server.xml and the code calling it but does not show web.xml or context.xml.
The error you are getting just means that that the JNDI resource being
called in the code is not defined in both web.xml and context.xml.
In looking at the code snip it in the first post I am not following what
you are trying to do. The post is for a JNDI question but in the code
it looks like you are calling the DB URL directly. The whole point of
JDNI being to get specific URL, and configuration info outside of the
code base. I am not following what it is you are trying to do here.
Sean Rowe wrote:
Brian, thank you for replying. I was afraid my topic was dead. If you
could look at my first post, I listed all the files that you have
suggested I take a look at. I have done everything you have suggested,
but am still getting errors. The error I am getting now is
javax.naming.NameNotFoundException: Name java:comp is not bound in this
Context
I can't find anything on the net or in any books I've looked at that
explains this. As far as I can tell, java:comp should just be there.
Any ideas? Thanks again.
Sean
Brian Cook wrote:
Yes you can use JNDI with out using JSTL. But the only way to
configure it is to define the JNDI resources in the web.xml and
context.xml files.Technically you should be able to use the
globally defined JNDI resources in server.xml, and I have seen
configuration set ups doing it when googling. But could never get
them to work.
This highlights another area of seemingly unneeded complication in
Java/Unix development. Using JNDI for data sources which was supposed
to help you save time requires that you redundantly define the JNDI
resource in at lest 2 if not 3 places.
The admin tool which was also supposed to help save time defines the
JNDI resources in server.xml which does not really seem to be all that
helpful. I am sure there is likely a reason for this but I am
ignorant of it. The admin tool is also supposed to let you define
JNDI resources per context but it errors out when ever I have tried it.
My experience with the Tomcat Admin and Manager tools is that they are
worthless. Of the few steps they try to help with more often that not
they just return errors when you need to use it. I removed them both
and have gone back to doing set ups manually and there has not been
much of a time difference doing it this way.
Any way for JNDI to work you will have to add the definition for it in
both web.xml and context.xml in the <Folder>>/conf/Catalina/localhost/ folder. This seems counter
productive since it makes your app less portable having the data base
configuration details inside the context and by extent the WAR file
but it is what you have to do to get it to work right now.
I feel your pain I know it is frustrating spending hours debugging
just the DB connection but todate that is the reality of Java web app
development. It is why I fear we will all be .Net developers some day.
Example :
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources-howto.html
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Resource reference to a factory for java.sql.Connection
instances that may be used for talking to a particular
database that is configured in the server.xml file.
jdbc/EmployeeDB
javax.sql.DataSource
Container
driverClassName="org.hsql.jdbcDriver"
url="jdbc:HypersonicSQL:database"
maxActive="8"
maxIdle="4"/>
Sean Rowe wrote:
Dirk, I'm sorry I didn't see the difference on the page you sent me
to. However, if there is a way I can do this without having to use
jstl, I would really like to know. I was hoping to put the code in a
class somewhere that my servlets could use.
thanks,
sean
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here'
RE: jndi question
Hi Sean,
It looks from a quick glance that your JNDI configuration is done globally,
rather than in the Context configuration, and you do not link to it using a
ResourceLink.
Try adding
Into the Context block, and remove the Resource block you have in there. The
other thing to try would be to move the JNDI datasource Resource configuration
block into the Context block.
See how you get on, Allistair.
> -Original Message-
> From: Sean Rowe [mailto:[EMAIL PROTECTED]
> Sent: 23 August 2005 16:45
> To: Tomcat Users List
> Subject: Re: jndi question
>
>
> thank you, i will
>
> Allistair Crossley wrote:
>
> >If you could please send
> >
> >1. server.xml
> >2. web.xml
> >3. context.xml or yourwebapp.xml
> >4. list of files in common/lib
> >5. list of files in yourwebapp/WEB-INF/lib
> >
> >I'd be happy to see if I can spot anything.
> >
> >
> >
> >>-Original Message-----
> >>From: Sean Rowe [mailto:[EMAIL PROTECTED]
> >>Sent: 23 August 2005 16:41
> >>To: Tomcat Users List
> >>Subject: Re: jndi question
> >>
> >>
> >>no, that didn't help. thanks though.
> >>
> >>could this maybe be a class problem? am i using the wrong
> >>jar files? i
> >>can list the files i'm using if anyone thinks it might be
> the problem
> >>
> >>Allistair Crossley wrote:
> >>
> >>
> >>
> >>>Hi,
> >>>
> >>>The documentation says;
> >>>
> >>>Context initCtx = new InitialContext();
> >>>Context envCtx = (Context) initCtx.lookup("java:comp/env");
> >>>DataSource ds = (DataSource)
> >>> envCtx.lookup("jdbc/EmployeeDB");
> >>>
> >>>However, we use;
> >>>
> >>>try {
> >>> Context ctx = new InitialContext();
> >>> dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/yourdb");
> >>>} catch (NamingException nE) {
> >>> // log somewhere
> >>>} catch (NullPointerException npE) {
> >>> // log somewhere
> >>>}
> >>>
> >>>Does that work for you? Allistair
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>-Original Message-
> >>>>From: Sean Rowe [mailto:[EMAIL PROTECTED]
> >>>>Sent: 23 August 2005 16:29
> >>>>To: Tomcat Users List
> >>>>Subject: Re: jndi question
> >>>>
> >>>>
> >>>>Brian, thank you for replying. I was afraid my topic was
> >>>>dead. If you
> >>>>could look at my first post, I listed all the files that you have
> >>>>suggested I take a look at. I have done everything you have
> >>>>suggested,
> >>>>but am still getting errors. The error I am getting now is
> >>>>
> >>>>javax.naming.NameNotFoundException: Name java:comp is not
> >>>>bound in this
> >>>>Context
> >>>>
> >>>>I can't find anything on the net or in any books I've
> >>>>
> >>>>
> >>looked at that
> >>
> >>
> >>>>explains this. As far as I can tell, java:comp should just
> >>>>be there.
> >>>>Any ideas? Thanks again.
> >>>>
> >>>>Sean
> >>>>
> >>>>Brian Cook wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>Yes you can use JNDI with out using JSTL. But the only way to
> >>>>>configure it is to define the JNDI resources in the web.xml and
> >>>>>context.xml files.Technically you should be able to use the
> >>>>>globally defined JNDI resources in server.xml, and I have seen
> >>>>>configuration set ups doing it when googling. But could
> never get
> >>>>>them to work.
> >>>>>
> >>>>>This highlights another area of seemingly unneeded
> complication in
> >>>>>Java/Unix development. Using JNDI for data sources which
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>was supposed
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>t
Re: jndi question
ode in
a class somewhere that my servlets could use.
thanks,
sean
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here's what I get (which led me to trying it
the way
I posted):
javax.naming.NameNotFoundException: Name java:comp is not bound
in this
Context
No. Did you look at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html?
I recommend putting the context definition in its own content.xml. On
redeploying my application tomcat wouldn't find the driver class
anymore.
Mind you not the class itself but the definition of what class to
load.
This problem was solved by putting the context into context.xml.
regards
Dirk
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Re: jndi question
i will try that. thanks allistair, i really do appreciate this
Allistair Crossley wrote:
Hi Sean,
It looks from a quick glance that your JNDI configuration is done globally,
rather than in the Context configuration, and you do not link to it using a
ResourceLink.
Try adding
Into the Context block, and remove the Resource block you have in there. The
other thing to try would be to move the JNDI datasource Resource configuration
block into the Context block.
See how you get on, Allistair.
-Original Message-
From: Sean Rowe [mailto:[EMAIL PROTECTED]
Sent: 23 August 2005 16:45
To: Tomcat Users List
Subject: Re: jndi question
thank you, i will
Allistair Crossley wrote:
If you could please send
1. server.xml
2. web.xml
3. context.xml or yourwebapp.xml
4. list of files in common/lib
5. list of files in yourwebapp/WEB-INF/lib
I'd be happy to see if I can spot anything.
-Original Message-
From: Sean Rowe [mailto:[EMAIL PROTECTED]
Sent: 23 August 2005 16:41
To: Tomcat Users List
Subject: Re: jndi question
no, that didn't help. thanks though.
could this maybe be a class problem? am i using the wrong
jar files? i
can list the files i'm using if anyone thinks it might be
the problem
Allistair Crossley wrote:
Hi,
The documentation says;
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
However, we use;
try {
Context ctx = new InitialContext();
dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/yourdb");
} catch (NamingException nE) {
// log somewhere
} catch (NullPointerException npE) {
// log somewhere
}
Does that work for you? Allistair
-Original Message-
From: Sean Rowe [mailto:[EMAIL PROTECTED]
Sent: 23 August 2005 16:29
To: Tomcat Users List
Subject: Re: jndi question
Brian, thank you for replying. I was afraid my topic was
dead. If you
could look at my first post, I listed all the files that you have
suggested I take a look at. I have done everything you have
suggested,
but am still getting errors. The error I am getting now is
javax.naming.NameNotFoundException: Name java:comp is not
bound in this
Context
I can't find anything on the net or in any books I've
looked at that
explains this. As far as I can tell, java:comp should just
be there.
Any ideas? Thanks again.
Sean
Brian Cook wrote:
Yes you can use JNDI with out using JSTL. But the only way to
configure it is to define the JNDI resources in the web.xml and
context.xml files.Technically you should be able to use the
globally defined JNDI resources in server.xml, and I have seen
configuration set ups doing it when googling. But could
never get
them to work.
This highlights another area of seemingly unneeded
complication in
Java/Unix development. Using JNDI for data sources which
was supposed
to help you save time requires that you redundantly define
the JNDI
resource in at lest 2 if not 3 places.
The admin tool which was also supposed to help save time
defines the
JNDI resources in server.xml which does not really seem to
be all that
helpful. I am sure there is likely a reason for this but I am
ignorant of it. The admin tool is also supposed to let
you define
JNDI resources per context but it errors out when ever I
have tried it.
My experience with the Tomcat Admin and Manager tools is
that they are
worthless. Of the few steps they try to help with more
often that not
they just return errors when you need to use it. I removed
them both
and have gone back to doing set ups manually and there has
not been
much of a time difference doing it this way.
Any way for JNDI to work you will have to add the
definition for it in
both web.xml and context.xml in the <Folder>>/conf/Catalina/localhost/ folder. This seems counter
productive since it makes your app less portable having the
data base
configuration details inside the context and by extent the
WAR file
but it is what you have to do to get it to work right now.
I feel your pain I know it is frustrating spending
Re: jndi question
ess the database ...
conn.close();
Resource reference to a factory for java.sql.Connection
instances that may be used for talking to a particular
database that is configured in the server.xml file.
jdbc/EmployeeDB
javax.sql.DataSource
Container
driverClassName="org.hsql.jdbcDriver"
url="jdbc:HypersonicSQL:database"
maxActive="8"
maxIdle="4"/>
Sean Rowe wrote:
Dirk, I'm sorry I didn't see the difference on the page you sent me
to. However, if there is a way I can do this without having to use
jstl, I would really like to know. I was hoping to put the code in
a class somewhere that my servlets could use.
thanks,
sean
Dirk Weigenand wrote:
Sean,
--- Ursprüngliche Nachricht ---
Von: Sean Rowe <[EMAIL PROTECTED]>
An: Tomcat Users List
Betreff: Re: jndi question
Datum: Mon, 22 Aug 2005 09:24:10 -0500
Thanks for responding Dirk. I've practically memorized the
documentation on the link you sent:
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource)
envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
... use this connection to access the database ...
conn.close();
Whenever I try this, here's what I get (which led me to trying it
the way
I posted):
javax.naming.NameNotFoundException: Name java:comp is not bound
in this
Context
No. Did you look at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html?
I recommend putting the context definition in its own content.xml. On
redeploying my application tomcat wouldn't find the driver class
anymore.
Mind you not the class itself but the definition of what class to
load.
This problem was solved by putting the context into context.xml.
regards
Dirk
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RE: jndi question
Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. > -Original Message- > From: Brian Cook [mailto:[EMAIL PROTECTED] > Sent: 23 August 2005 17:23 > To: Tomcat Users List > Subject: Re: jndi question > > > > Ok but do you have the resource defined in context.xml? If you go to > <>/conf/Cataliana/localhost/ do you see a file > with the name > of the module ending with .xml? If so is the resource > defined in that > file? If not you need to add it. > > From the description it sounds like nothing in this set up has been > done as was show on the example page. > > http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources > -howto.html > > If you use the code block that is shown, define that resource > in web.xml > and context.xml it will work. But multiple postings latter it still > sounds like the JNDI resource is not defined in context.xml > and the code > calling the JNDI resource differs greatly from the example provided. > > > Sean Rowe wrote: > > The first post on this included the server.xml, and further > down in the > > page is the relevant part of web.xml ( i just double > checked that ). as > > for context.xml, i have listed it in my webapp.xml file, as well as > > server.xml as all other examples have suggested. i then > tried it in the > > admin module, where it then put it in server.xml for me. > i'm willing to > > try anything at this point, though, if you have any suggestions. > > > > as for my post not being jndi specific, i applogize if > that's the case. > > i'm not really familiar with jndibut when I did a search for > > 'connection pooling', jndi seemed to be what everyone > suggested i use. > > what i want to do, if it's not clear, is to create a > connection pool to > > my MySql database. > > thanks, > > sean > > > > Brian Cook wrote: > > > >> > >> Actually the files I listed are NOT in the first post. It > shows the > >> server.xml and the code calling it but does not show web.xml or > >> context.xml. > >> > >> The error you are getting just means that that the JNDI > resource being > >> called in the code is not defined in both web.xml and context.xml. > >> > >> In looking at the code snip it in the first post I am not > following > >> what you are trying to do. The post is for a JNDI > question but in the > >> code it looks like you are calling the DB URL directly. The whole > >> point of JDNI being to get specific URL, and configuration info > >> outside of the code base. I am not following what it is you are > >> trying to do here. > >> > >> > >> > >> Sean Rowe wrote: > >> > >>> Brian, thank you for replying. I was afraid my topic was > dead. If > >>> you could look at my first post, I listed all the files > that you have > >>> suggested I take a look at. I have done everything you have > >>> suggested, but am still getting errors. The error I am > getting now is > >>> > >>> javax.naming.NameNotFoundException: Name java:comp is not > bound in > >>> this Context > >>> > >>> I can't find anything on the net or in any books I've > looked at that > >>> explains this. As far as I can tell, java:comp should just be > >>> there. Any ideas? Thanks again. > >>> > >>> Sean > >>> > >>> Brian Cook wrote: > >>> > >>>> > >>>> Yes you can use JNDI with out using JSTL. But the only way to > >>>> configure it is to define the JNDI resources in the web.xml and > >>>> context.xml files.Technically you should be able to use the > >>>> globally defined JNDI resources in server.xml, and I have seen > >>>> configuration set ups doing it when googling. But could > never get > >>>> them to work. > >>>> > >>>> This highlights another area of seemingly unneeded > complication in > >>>> Java/Unix development. Using JNDI for data sources which was > >>>> supposed to help you save time requires that you > r
Re: jndi question
I will try all 3 once again, and provide screen shots of the errors I see. I have tried these methods before, but I will try them again for a sanity check. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to my MySql database. thanks, sean Brian Cook wrote: Actually the files I listed are NOT in the first post. It shows the server.xml and the code calling it but does not show web.xml or context.xml. The error you are getting just means that that the JNDI resource being called in the code is not defined in both web.xml and context.xml. In looking at the code snip it in the first post I am not following what you are trying to do. The post is for a JNDI question but in the code it looks like you are calling the DB URL directly. The whole point of JDNI being to get specific URL, and configuration info outside of the code base. I am not following what it is you are trying to do here. Sean Rowe wrote: Brian, thank you for replying. I was afraid my topic was dead. If you could look at my first post, I listed all the files that you have suggested I take a look at. I have done everything you have suggested, but am still getting errors. The error I am getting now is javax.naming.NameNotFoundException: Name java:comp is not bound in this Context I can't find anything on the net or in any books I've looked at that explains this. As far as I can tell, java:comp should just be there. Any ideas? Thanks again. Sean Brian Cook wrote: Yes you can use JNDI with out using JSTL. But the only way to configure it is to define the JNDI resources in the web.xml and context.xml files.Technically you should be able to use the globally defined JNDI resources in server.xml, and I have seen configuration set ups doing it when googling. But could never get them to work. This highlights another area of seemingly unneeded complication in Java/Unix development. Using JNDI for data sources which was supposed to help you save time requires that you redundantly define the JNDI resource in at lest 2 if not 3 places. The admin tool which was also supposed to help save time defines the JNDI resources in server.xml which does not really seem to be all that helpful. I am sure there is likely a reason for this but I am ignorant of it. The admin tool is also supposed to let you define JNDI resources per context but it errors out when ever I have tried it. My experience with the Tomcat Admin and Manager tools is that they are worthless. Of the few steps they try to help with more ofte
Re: jndi question
Do not need the screen shots. Just copy and paste the stack trace error of the exception(All the gobblay gook that shows up on screen or in catalina.out when an exception is thrown.), the details of which ever combination of config files you are using, the code actually calling the JNDI resource. Just as a future reference including all of those things in your posts will help get a solution to your problem faster and will increase the number of people that will respond to your posts. You may find these posting guild lines helpful too. http://jakarta.apache.org/site/mail.html Sean Rowe wrote: I will try all 3 once again, and provide screen shots of the errors I see. I have tried these methods before, but I will try them again for a sanity check. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to my MySql database. thanks, sean Brian Cook wrote: Actually the files I listed are NOT in the first post. It shows the server.xml and the code calling it but does not show web.xml or context.xml. The error you are getting just means that that the JNDI resource being called in the code is not defined in both web.xml and context.xml. In looking at the code snip it in the first post I am not following what you are trying to do. The post is for a JNDI question but in the code it looks like you are calling the DB URL directly. The whole point of JDNI being to get specific URL, and configuration info outside of the code base. I am not following what it is you are trying to do here. Sean Rowe wrote: Brian, thank you for replying. I was afraid my topic was dead. If you could look at my first post, I listed all the files that you have suggested I take a look at. I have done everything you have suggested, but am still getting errors. The error I am getting now is javax.naming.NameNotFoundException: Name java:comp is not bound in this Context I can't find anything on the net or in any books I've looked at that explains this. As far as I can tell, java:comp should just be there. Any ideas? Thanks again. Sean Brian Cook wrote: Yes you can use JNDI with out using JSTL. But the only way to configure it is to define the JNDI resources in the web.xml and context.xml files.Technically you should be able to use the globally defined JNDI resources in server.xml, and I have seen configuration set ups doing it when googling. But could never get them to work. This highlights another area of seemingly unneeded complication in Java/Unix development. Using JNDI for data sources which was supposed to help you save time requires that you redundantly define the JNDI resource in at lest 2 if not 3 places. The admin tool which was also supposed to help save time
Re: jndi question
I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to my MySql database. thanks, sean Brian Cook wrote: Actually the files I listed are NOT in the first post. It shows the server.xml and the code calling it but does not show web.xml or context.xml. The error you are getting just means that that the JNDI resource being called in the code is not defined in both web.xml and context.xml. In looking at the code snip it in the first post I am not following what you are trying to do. The post is for a JNDI question but in the code it looks like you are calling the DB URL directly. The whole point of JDNI being to get specific URL, and configuration info outside of
Re: jndi question
Sean, One thing that stands out in your message is that the conext.xml file was placed in the META-INF folder. Is it also in <Folder>>/conf/Catalina/localhost/ as the module name? i.e. If the context path name of your webapp is "/seansApp" the context.xml file should appear in this folder as seansApp.xml. The context.xml file is stored in META-INF during development but needs to be placed in <>/conf/Catalina/localhost/ folder for deployment with the file name of the context path. Sean Rowe wrote: I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to my MySql database. thanks, sean Brian Cook wrote: Actually the files I listed are NOT in the first post. It shows the server.xml and the code calling it but does not show web.xml or context.xml. The error you are ge
RE: jndi question
Hi, > The context.xml file is stored in META-INF during development > but needs > to be placed in <>/conf/Catalina/localhost/ folder for > deployment with the file name of the context path. I don't think that's quite true. META-INF is a permanent valid location for context.xml, and does not affect deployment if /conf/Catalina/localhost/ does not have a file for the web application. We always keep context.xml only in META-INF. However, if 2 are present this may cause issues as you say, Allistair. > -Original Message- > From: Brian Cook [mailto:[EMAIL PROTECTED] > Sent: 25 August 2005 14:39 > To: Tomcat Users List > Subject: Re: jndi question > > > Sean, > > One thing that stands out in your message is that the conext.xml file > was placed in the META-INF folder. Is it also in < Folder>>/conf/Catalina/localhost/ as the module name? i.e. If the > context path name of your webapp is "/seansApp" the context.xml file > should appear in this folder as seansApp.xml. > > > The context.xml file is stored in META-INF during development > but needs > to be placed in <>/conf/Catalina/localhost/ folder for > deployment with the file name of the context path. > > > > > Sean Rowe wrote: > > I have tried again using the method described in the url > brian gave. > > Here is the stack exception I'm receiving: > > > > *type* Exception report > > > > *message* > > > > *description* _The server encountered an internal error () that > > prevented it from fulfilling this request._ > > > > *exception* > > > > javax.servlet.ServletException: Name java:comp is not bound > in this Context > > > org.apache.jasper.runtime.PageContextImpl.doHandlePageExceptio > n(PageContextImpl.java:848) > > > > > org.apache.jasper.runtime.PageContextImpl.handlePageException( > PageContextImpl.java:781) > > > > org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) > > > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > > org.apache.jasper.servlet.JspServletWrapper.service(JspServlet > Wrapper.java:322) > > > > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet > .java:291) > > > > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > > > *root cause* > > > > javax.naming.NameNotFoundException: Name java:comp is not > bound in this > > Context > > org.apache.naming.NamingContext.lookup(NamingContext.java:769) > > org.apache.naming.NamingContext.lookup(NamingContext.java:152) > > javax.naming.InitialContext.lookup(InitialContext.java:351) > > com.transcriptionportal.utils.DBManager.init(DBManager.java:25) > > org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) > > > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > > org.apache.jasper.servlet.JspServletWrapper.service(JspServlet > Wrapper.java:322) > > > > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet > .java:291) > > > > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) > > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > > > > > I have enclosed my server.xml, web.xml, context.xml (that i > placed in my > > web/META-INF folder), and the class I'm using to make the > connection. > > Thanks again to everyone who has helped me so far. > > > > sean > > > > Allistair Crossley wrote: > > > >> Hi, > >> > >> He isn't using that method of configuration, that's just 1 > option of > >> 3. He is nesting his Context definition within the server.xml Host > >> element. Although this is now scorned, it's still valid. > The 2 other > >> methods are contextname.xml as you say, and also > META-INF/context.xml > >> within the webapp itself. Allistair. > >> > >> > >> > >>> -Original Message- > >>> From: Brian Cook [mailto:[EMAIL PROTECTED] > >>> Sent: 23 August 2005 17:23 > >>> To: Tomcat Users List > >>> Subject: Re: jndi question > >>> > >>> > >>> > >>> Ok but do you have the
Re: jndi question
Hi I had the same problem and I managed to make this work when following this post http://forums.devshed.com/archive/t-120081 The only problem is that it works when a deploy a war file. When I try using this out of Eclipse (I am running tomcat using sysdeo plug-in) it makes problems. Let me know how do you use tomcat. Regards Haim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: jndi question
yes, there is a file in the /conf/Catalina/localhost directory for my app Brian Cook wrote: Sean, One thing that stands out in your message is that the conext.xml file was placed in the META-INF folder. Is it also in <Folder>>/conf/Catalina/localhost/ as the module name? i.e. If the context path name of your webapp is "/seansApp" the context.xml file should appear in this folder as seansApp.xml. The context.xml file is stored in META-INF during development but needs to be placed in <>/conf/Catalina/localhost/ folder for deployment with the file name of the context path. Sean Rowe wrote: I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to my MySql database. thanks, sean Brian Cook wrote: Actually the files I listed are NOT in the first post. It shows the
Re: jndi question
It has probablly already been stated before somewhere in this thread but what versions of Tomcat and JDK are you using? Sean Rowe wrote: yes, there is a file in the /conf/Catalina/localhost directory for my app Brian Cook wrote: Sean, One thing that stands out in your message is that the conext.xml file was placed in the META-INF folder. Is it also in <Folder>>/conf/Catalina/localhost/ as the module name? i.e. If the context path name of your webapp is "/seansApp" the context.xml file should appear in this folder as seansApp.xml. The context.xml file is stored in META-INF during development but needs to be placed in <>/conf/Catalina/localhost/ folder for deployment with the file name of the context path. Sean Rowe wrote: I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to
Re: jndi question
tomcat 5, and jdk 1.5 Brian Cook wrote: It has probablly already been stated before somewhere in this thread but what versions of Tomcat and JDK are you using? Sean Rowe wrote: yes, there is a file in the /conf/Catalina/localhost directory for my app Brian Cook wrote: Sean, One thing that stands out in your message is that the conext.xml file was placed in the META-INF folder. Is it also in <Folder>>/conf/Catalina/localhost/ as the module name? i.e. If the context path name of your webapp is "/seansApp" the context.xml file should appear in this folder as seansApp.xml. The context.xml file is stored in META-INF during development but needs to be placed in <>/conf/Catalina/localhost/ folder for deployment with the file name of the context path. Sean Rowe wrote: I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's no
RE: jndi question
> From: Sean Rowe [mailto:[EMAIL PROTECTED] > Subject: Re: jndi question > > tomcat 5, and jdk 1.5 Which Tomcat 5? The configuration for the 5.0 series is not necessarily the same as in 5.5. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: jndi question
right! sorry, it's 5.5.9 Caldarale, Charles R wrote: From: Sean Rowe [mailto:[EMAIL PROTECTED] Subject: Re: jndi question tomcat 5, and jdk 1.5 Which Tomcat 5? The configuration for the 5.0 series is not necessarily the same as in 5.5. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: jndi question
I thought of that but his code samples and configs are consitant with both the 5.0 and 5.5 docs. Which Tomcat 5? The configuration for the 5.0 series is not necessarily the same as in 5.5. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: jndi question
Sean, I copied your code on top of mine and ran it with no problems. So you can probably eliminate the code as the issue. Also since the error is now on the "java:comp" resource and not your JNDI defined resources I think your context.xml and web.xml configuration is correct too. I googled the javax.naming.NameNotFoundException on string "java:comp" I found several postings that mentioned they fixed it by removing the following files from their deployments. http://forum.java.sun.com/thread.jspa?threadID=647982&tstart=105 naming-common.jar, naming-java.jar, naming-resources.jar, naming-factory.jar Are these by chance in your WEB-INF folder somewhere? Or any where in your Tomcat install? I checked they are not in mine and I have : naming-factory.jar naming-resources.jar in Tomcat/common/lib/ If you see these files any where else try deleting them. Other than that my only idea would be to try using Tomcat 5.5. Sean Rowe wrote: I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut
Re: jndi question
i do have those files. i'll remove them and see what happens. i really appreciate the help. sean Brian Cook wrote: Sean, I copied your code on top of mine and ran it with no problems. So you can probably eliminate the code as the issue. Also since the error is now on the "java:comp" resource and not your JNDI defined resources I think your context.xml and web.xml configuration is correct too. I googled the javax.naming.NameNotFoundException on string "java:comp" I found several postings that mentioned they fixed it by removing the following files from their deployments. http://forum.java.sun.com/thread.jspa?threadID=647982&tstart=105 naming-common.jar, naming-java.jar, naming-resources.jar, naming-factory.jar Are these by chance in your WEB-INF folder somewhere? Or any where in your Tomcat install? I checked they are not in mine and I have : naming-factory.jar naming-resources.jar in Tomcat/common/lib/ If you see these files any where else try deleting them. Other than that my only idea would be to try using Tomcat 5.5. Sean Rowe wrote: I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as f
Re: jndi question
pper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to my MySql database. thanks, sean Brian Cook wrote: Actually the files I listed are NOT in the first post. It shows the server.xml and the code calling it but does not show web.xml or context.xml. The error you are getting just means that that the JNDI resource being called in the code is not defined in both web.xml and context.xml. In looking at the code snip it in the first post I am not following what you are trying to do. The post is for a JNDI question but in the code it looks like you are calling the DB URL directly. The whole point of JDNI being to get specific URL, and configuration info outside of the code base. I am not following what it is you are trying to do here. Sean Rowe wrote: Brian, thank you for replying. I was afraid my topic was dead. If you could look at my first post, I listed all the files that you have suggested I take a look at. I have done everything you have suggested, but am still getting errors. The error I am getting now is javax.naming.NameNotFoundException: Name java:comp is not bound in this Context I can't find anything on the net or in any books I've looked at that explains this. As far as I can tell, java:comp should just be there. Any ideas? Thanks again. Sean Brian Cook wrote: Yes you can use JNDI with out using JSTL. But the only way to configure it is to define the JNDI resources in the web.xml and context.xml files.Technically you should be able to use the globally defined JNDI resources in server.xml, and I have seen configuration set ups doing it when googling. But could never get them to work. This highlights another area of seemingly unneeded complication in Java/Unix development. Using JNDI for data sources which was supposed to help you save time requires that you redundantly define the JNDI resource in at lest 2 if not 3 places. The admin tool which was also supposed to help save time defines the JNDI resources in server.xml which does not really seem to be all that helpful. I am sure there is likely a reason for this but I am ignorant of it. The admin tool is also supposed to let you define JNDI resources per context but it errors out when ever
Re: jndi question
.jar in Tomcat/common/lib/ If you see these files any where else try deleting them. Other than that my only idea would be to try using Tomcat 5.5. Sean Rowe wrote: I have tried again using the method described in the url brian gave. Here is the stack exception I'm receiving: *type* Exception report *message* *description* _The server encountered an internal error () that prevented it from fulfilling this request._ *exception* javax.servlet.ServletException: Name java:comp is not bound in this Context org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:69) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) *root cause* javax.naming.NameNotFoundException: Name java:comp is not bound in this Context org.apache.naming.NamingContext.lookup(NamingContext.java:769) org.apache.naming.NamingContext.lookup(NamingContext.java:152) javax.naming.InitialContext.lookup(InitialContext.java:351) com.transcriptionportal.utils.DBManager.init(DBManager.java:25) org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:53) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I have enclosed my server.xml, web.xml, context.xml (that i placed in my web/META-INF folder), and the class I'm using to make the connection. Thanks again to everyone who has helped me so far. sean Allistair Crossley wrote: Hi, He isn't using that method of configuration, that's just 1 option of 3. He is nesting his Context definition within the server.xml Host element. Although this is now scorned, it's still valid. The 2 other methods are contextname.xml as you say, and also META-INF/context.xml within the webapp itself. Allistair. -Original Message- From: Brian Cook [mailto:[EMAIL PROTECTED] Sent: 23 August 2005 17:23 To: Tomcat Users List Subject: Re: jndi question Ok but do you have the resource defined in context.xml? If you go to <>/conf/Cataliana/localhost/ do you see a file with the name of the module ending with .xml? If so is the resource defined in that file? If not you need to add it. From the description it sounds like nothing in this set up has been done as was show on the example page. http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-resources -howto.html If you use the code block that is shown, define that resource in web.xml and context.xml it will work. But multiple postings latter it still sounds like the JNDI resource is not defined in context.xml and the code calling the JNDI resource differs greatly from the example provided. Sean Rowe wrote: The first post on this included the server.xml, and further down in the page is the relevant part of web.xml ( i just double checked that ). as for context.xml, i have listed it in my webapp.xml file, as well as server.xml as all other examples have suggested. i then tried it in the admin module, where it then put it in server.xml for me. i'm willing to try anything at this point, though, if you have any suggestions. as for my post not being jndi specific, i applogize if that's the case. i'm not really familiar with jndibut when I did a search for 'connection pooling', jndi seemed to be what everyone suggested i use. what i want to do, if it's not clear, is to create a connection pool to my MySql database. thanks, sean Brian Cook wrote: Actually the files I listed are NOT in the first post. It shows the server.xml and the code calling it but does not show web.xml or context.xml. The error you are getting just means that that the JNDI resource being called in the code is not defined in both web.xml and context.xml. In looking at the code snip it in the first post I am not following what you are trying to do. The post is for a JNDI question but in the code it looks like you are calling the DB URL directly. The whole point of J
