Re: howto add a UDP Listener

[Sebastian Wagner]

The problem is that Sharer & Viewer should be a Java Application that does
not require Installation on the client machine and it has to be available
for all plattforms. So Java Web Start is our choice.

The solution will be part of a GPL-Project so it cannot be based on
commercial products.

thanks,
sebastian

2009/9/13 Andre-John Mas 

> You may want to look at the Java VNC Viewer:
>
> http://www.realvnc.com/support/javavncviewer.html
>
> or TightVNC:
>
> http://www.tightvnc.com/download.html
>
> it may save you repeating work which has already been done elsewhere.
>
> André-John
>
>
> On 13-Sep-2009, at 16:10, Sebastian Wagner wrote:
>
>  yes it is a solution send only ... or receive only.
>>
>> sebastian
>>
>> 2009/9/13 Andre-John Mas 
>>
>>
>>> On 13-Sep-2009, at 15:04, Sebastian Wagner wrote:
>>>
>>> Thanks for your answers.
>>>

 I am working on a Desktop Sharing application that is sending the
 Desktop
 Images over UDP to Tomcat. As this is quite time-critical I need to
 integrate the UDP-handler into my webapp.
 It seems like using MINA does solve my Issues.

 thanks,
 sebastian


>>> Will you be sending images to a single host and is the solution send
>>> only?
>>>
>>>
>>> André-John
>>> -
>>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
>>> For additional commands, e-mail: users-h...@tomcat.apache.org
>>>
>>>
>>>
>>
>> --
>> Sebastian Wagner
>> http://www.webbase-design.de
>> http://openmeetings.googlecode.com
>> http://www.laszlo-forum.de
>> seba.wag...@gmail.com
>>
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>


-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
seba.wag...@gmail.com

RE: Does CVE-2007-0450 (Directory Traversal) affect standalone Tomcat

[Tadelkar, Gauravsagar (Gaurav)]

Right! :-)

Thanks.
Gaurav


-Original Message-
From: Mark Thomas [mailto:ma...@apache.org] 
Sent: Friday, September 11, 2009 2:02 PM
To: Tomcat Users List
Subject: Re: Does CVE-2007-0450 (Directory Traversal) affect standalone
Tomcat

Tadelkar, Gauravsagar (Gaurav) wrote:
>  Thanks for the reply, Mark. 
> 
>   If possible, can you please point to any references/docs which would

> help me convince others about the directory traversal vulnerability 
> not impacting a standalone tomcat? Even an explanation would help.

I would have thought the phrase "When Tomcat is used behind a proxy..."
was pretty self explanatory.

Mark

>  I personally do agree that upgrading the tomcat is surely the thing 
> to do rather than looking for alternatives, but this is something 
> beyond my powers in this case :-)
> 
> Thanks once again.
> 
> Gaurav
> 
> 
> -Original Message-
> From: Mark Thomas [mailto:ma...@apache.org]
> Sent: Wednesday, September 09, 2009 1:49 PM
> To: Tomcat Users List
> Subject: Re: Does CVE-2007-0450 (Directory Traversal) affect 
> standalone Tomcat
> 
> Tadelkar, Gauravsagar (Gaurav) wrote:
>> I have a tomcat at version 5.5.15 in a standalone mode and due to 
>> some
> 
>> compulsions cannot upgrade it. Does the directory traversal 
>> vulnerability affect tomcat in a standalone mode (the 5.5.15 ver does

>> not have a fix to this vulnerability)?
> 
> No it doesn't. However, there are plenty of other vulnerabilities (eg
> CVE-2008-5515) that do.
> 
>> Alternately, is there a way I can secure/work around this 
>> vulnerability without upgrading?
> 
> You'd have to look at each vulnerability on a case by case basis.
> Upgrading to 5.5.28 is likely to be less painful than any of the 
> alternatives.
> 
> Mark
> 
> 
> 
> 
> 
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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> 





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RE: help with tomcat manager

[Caldarale, Charles R]

> From: Eric [mailto:cam...@gmail.com]
> Subject: Re: help with tomcat manager
> 
> Your example inspired me to create a role named "admin" and add that
> role to the username "campee". I can login just fine now.

That shouldn't have made a difference.  My admin role is just left over from 
older versions of Tomcat that included an admin webapp in addition to the 
manager.  Look in WEB-INF/web.xml for each app of interest to see what role(s) 
it requires.

I removed the admin role from my tomcat-users.xml and can successfully use the 
manager app.


  
  


I suspect you either didn't really restart Tomcat the first time, or perhaps 
hadn't written the updated tomcat-users.xml file back with whatever editor your 
were using.

 - Chuck


THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY 
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Re: help with tomcat manager

[Eric]

Your example inspired me to create a role named "admin" and add that role to
the username "campee". I can login just fine now. The documentation makes no
mention of needing to add an admin role and associating a user with it. It
just mentions the manager role:

To enable access to the Manager web application, you must either create a
new username/password combination and associate the role name *manager* with
it, or add the *manager* role to some existing username/password
combination.

:(

On Sun, Sep 13, 2009 at 8:36 PM, Caldarale, Charles R <
chuck.caldar...@unisys.com> wrote:

> > From: Eric [mailto:cam...@gmail.com]
> > Subject: Re: help with tomcat manager
> >
> > I tried changing it to the following and restarting
> > Tomcat but I got the same result:
> >
> > 
> >   
> >   
> >   
> >   
> >   
> >   
> >   
> > 
>
> That should suffice.
>
> Are you sure you're running Tomcat from the place you edited?
>
> Here's my files (comments removed for readability):
>
> 
>  
>  
>  
> 
>
> 
>   SSLEngine="on" />
>  
>   />
>   className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
>  
>   type="org.apache.catalina.UserDatabase"
>  description="User database that can be updated and saved"
>  factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
>  pathname="conf/tomcat-users.xml" />
>  
>   
> protocol="org.apache.coyote.http11.Http11Protocol"
>   connectionTimeout="2"
>   redirectPort="8443" />
> protocol="org.apache.coyote.http11.Http11NioProtocol"
>   connectionTimeout="2"
>   redirectPort="8443" />
>
>   resourceName="UserDatabase"/>
>  unpackWARs="true" autoDeploy="true"
>xmlValidation="false" xmlNamespaceAware="false">
>
> directory="logs"
>   prefix="localhost_access." suffix=".log" pattern="common"
> resolveHosts="false"/>
>  
>
>  
> 
>
>  - 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: users-unsubscr...@tomcat.apache.org
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>
>

RE: help with tomcat manager

[Caldarale, Charles R]

> From: Eric [mailto:cam...@gmail.com]
> Subject: Re: help with tomcat manager
> 
> I tried changing it to the following and restarting 
> Tomcat but I got the same result:
> 
> 
>   
>   
>   
>   
>   
>   
>   
> 

That should suffice.

Are you sure you're running Tomcat from the place you edited?

Here's my files (comments removed for readability):


  
  
  



  
  
  
  
  

  
  



  
  


  

  


 - 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 
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Re: help with tomcat manager

[Eric]

Comments.. I guess I'm just used to Apache's # symbols for comments. What
part do I need to remove to remove the comments? I tried changing it to the
following and restarting Tomcat but I got the same result:


  
  
  
  
  
  
  



On Sun, Sep 13, 2009 at 8:23 PM, Caldarale, Charles R <
chuck.caldar...@unisys.com> wrote:

> > From: Martin Gainty [mailto:mgai...@hotmail.com]
> > Subject: RE: help with tomcat manager
> >
> > UserDatabase Realm acquires authentication credentials from a jdbc
> > Database source
>
> That's completely wrong.  The UserDatabaseRealm works perfectly well with
> tomcat-users.xml - it's the Tomcat default.
>
>  - 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: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>

RE: help with tomcat manager

[Caldarale, Charles R]

> From: Martin Gainty [mailto:mgai...@hotmail.com]
> Subject: RE: help with tomcat manager
> 
> UserDatabase Realm acquires authentication credentials from a jdbc
> Database source

That's completely wrong.  The UserDatabaseRealm works perfectly well with 
tomcat-users.xml - it's the Tomcat default.

 - 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 
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RE: help with tomcat manager

[Martin Gainty]

UserDatabase Realm acquires authentication credentials from a jdbc Database 
source

use org.apache.catalina.realm.MemoryRealm

details at
http://tomcat.apache.org/tomcat-6.0-doc/realm-howto.html#MemoryRealm

greets
Martin 
__ 
Verzicht und Vertraulichkeitanmerkung
 
Diese Nachricht ist vertraulich. Sollten Sie nicht der vorgesehene Empfaenger 
sein, so bitten wir hoeflich um eine Mitteilung. Jede unbefugte Weiterleitung 
oder Fertigung einer Kopie ist unzulaessig. Diese Nachricht dient lediglich dem 
Austausch von Informationen und entfaltet keine rechtliche Bindungswirkung. 
Aufgrund der leichten Manipulierbarkeit von E-Mails koennen wir keine Haftung 
fuer den Inhalt uebernehmen.






> Date: Sun, 13 Sep 2009 19:57:38 -0700
> Subject: help with tomcat manager
> From: cam...@gmail.com
> To: users@tomcat.apache.org
> 
> Downloaded and uncompressed apache-tomcat-6.0.20.tar.gz
> 
> Started Tomcat using bin/catalina.sh start
> 
> Connected to http://servername:8080 and see the getting started page
> 
> Click on "Tomcat Manager"
> 
> Get prompted for a username/password with the following message:
> 
> A username and password are being requested by
> http://tomcat2.campee.net:8080. The site says: "Tomcat Manager Application"
> 
> I use "campee" for the username and "password" for the password.
> 
> I get prompted again for a username/password. I repeat the same
> username/password. I get prompted again and again and again.
> 
> If I click cancel, I get 401 Unauthorized and the following message:
> 
> You are not authorized to view this page. If you have not changed any
> configuration files, please examine the file conf/tomcat-users.xml in your
> installation. That file will contain the credentials to let you use this
> webapp.
> 
> You will need to add manager role to the config file listed above. For
> example:
> 
> 
> 
> 
> I've already done this in my tomcat-users.xml file:
> 
> 
> 
> 
> 
> From my server.xml, which is still in its default state:
> 
>   
> 
>type="org.apache.catalina.UserDatabase"
>   description="User database that can be updated and saved"
>   factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
>   pathname="conf/tomcat-users.xml" />
>   
> 
> That means I should be using conf/tomcat-users.xml for usernames/passwords.
> 
> Where did I go wrong?

_
Hotmail: Powerful Free email with security by Microsoft.
http://clk.atdmt.com/GBL/go/171222986/direct/01/

RE: help with tomcat manager

[Caldarale, Charles R]

> From: Eric [mailto:cam...@gmail.com]
> Subject: help with tomcat manager
> 
> 
> 
> 

> Where did I go wrong?

You left the comment markers in.

 - Chuck


THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY 
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help with tomcat manager

[Eric]

Downloaded and uncompressed apache-tomcat-6.0.20.tar.gz

Started Tomcat using bin/catalina.sh start

Connected to http://servername:8080 and see the getting started page

Click on "Tomcat Manager"

Get prompted for a username/password with the following message:

A username and password are being requested by
http://tomcat2.campee.net:8080. The site says: "Tomcat Manager Application"

I use "campee" for the username and "password" for the password.

I get prompted again for a username/password. I repeat the same
username/password. I get prompted again and again and again.

If I click cancel, I get 401 Unauthorized and the following message:

You are not authorized to view this page. If you have not changed any
configuration files, please examine the file conf/tomcat-users.xml in your
installation. That file will contain the credentials to let you use this
webapp.

You will need to add manager role to the config file listed above. For
example:




I've already done this in my tomcat-users.xml file:





>From my server.xml, which is still in its default state:

  


  

That means I should be using conf/tomcat-users.xml for usernames/passwords.

Where did I go wrong?

Re: tomcat mysql dbcp Communications link failure

[David Smith]

Could you provide the full stack trace?  And if possible, can you
describe time it takes as it relates to the timeout of your MySQL
server?  The default timeout in MySQL is 8 hours, but is configurable. 
Also I'm assuming all the ${...} stuff is just you sanitizing the
 block.  One last question ... is there any chance your
code is holding on to connections as opposed to closing them when done? 
Closing from the app's point of view is just returning the connection to
the pool for another request later.

--David

Chetouani wrote:
> Hello guys,
>
> If you can help with this problem.
>
> I have an application deployed on tomcat V6.18. It uses a mysql database.
> The problem is that after some hours the applicatiion throws an exception 
> when trying to connect to the data base.
>
> com.mysql.jdbc.CommunicationsException: Communications link failure due to 
> underlying exception
>
> I cofigured a data source using dbcp :
>
>  auth="Container"
> type="javax.sql.DataSource" 
> factory="org.apache.commons.dbcp.BasicDataSourceFactory" 
> driverClassName="${database.driver}" 
> url="${database.url}" 
> username="${database.user}"
> password="${database.password}" 
> removeAbandoned="true"
> removeAbandonedTimeout="300"
> logAbandoned="true"
> maxActive="20"
> maxIdle="20"
> maxWait="1"
> validationQuery="SELECT 1"
> testOnBorrow="true"
> testOnReturn="true"
> testWhileIdle="true"/>
>
> I did some searches and it seems that the problem is that the connection pool 
> keeps the connections for a long time even if they are considered dead by 
> mysql
>
> So if you can help
>
> Thanks
>
>
>   


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Re: tomcat & url rewrite

[WILLIAMer]

I think look up the url in database is not a Immediately way to me.
Because most of item not have the "/" char in name.

My original url would like http://myDomain/getItemPage?itemName=xxx
After the url rewrite rule,  url become http://myDomain/item_xxx.html 

If the item name like "abc/def", http://myDomain/item_abc/def.html will get
error.
Because tomcat explain there is a directory named item_abc.
I think the tomcat is right.
-- 
View this message in context: 
http://www.nabble.com/tomcat---url-rewrite-tp25395691p25429315.html
Sent from the Tomcat - User mailing list archive at Nabble.com.


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Re: directory structure

[David Kerber]

Daniel Blumenthal wrote:

If you're referring to during the development phase



Yes, during the development phase.

  
the IDEs 
I've worked with such as NetBeans and Eclipse does it for you 
automatically.  I don't remember if NetBeans actually make a 
war or not but it does autodeploy.  Eclipse will auto 
synchronize and sometimes it will auto-redeploy the app or 
restart TC depending on what was changed.  What IDE are you 
using? 



Hmm...  I tend to use Eclipse primarily as a Java-aware text editor
(control-click to get to a declaration is invaluable), but my build is done
using ant.

My old solution was to simply do all of my development inside the tomcat
webapps directory.  This worked all right, except that it was incredibly
ugly and caused bizarre problems from time to time (e.g., when allowing
tomcat to autoload altered classes).  I'm trying to get everything set up
"right".

The only way I can see to do it is to play weird tricks with symbolic links,
but this seems like a bad solution.

Thoughts?
  
Yes:  use the full power of Eclipse, and let it do your builds, 
debugging and deployments.


D



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Re: Comet high CPU usages on IoEndpoint$Poller.run()

[Hacking Bear]

On ERROR with subtype other than DISCONNECT, I just ignore it, i.e. no call
to event.close() nor trying to close the streams. I also tried to do both on
any error but it seems not doing better. Besides, I didn't see any ERROR
other than TIMEOUT which repeats every few seconds.

Another note is that in my session listener, I need to close the connection.
If I don't, then the CPU usage problem would occur as easily in IE as in FF.

public void sessionDestroyed(HttpSessionEvent event) {
closeSessionConnection(session.getId());

Thanks


On Sun, Sep 13, 2009 at 2:00 PM, Filip Hanik - Dev Lists  wrote:

> Whis is the event.close conditional when there is an error, what if you get
> a Comet report that says
>
> Type=CometEvent.EventType.ERROR
> Subtype=null
>
> ?
>
> Filip
>
> On 09/13/2009 01:25 PM, Hacking Bear wrote:
>
>> } else if (event.getEventType() == CometEvent.EventType.ERROR) {
>> final EventSubType subtype = event.getEventSubType();
>> if (subtype == CometEvent.EventSubType.TIMEOUT) {
>> log.info("ignore timeout");
>> } else if (subtype ==
>> CometEvent.EventSubType.CLIENT_DISCONNECT)
>> {
>> closeSessionConnection(httpSession.getId(), false);
>> event.close();
>> }
>>
>>
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>

RE: directory structure

[Daniel Blumenthal]

> If you're referring to during the development phase

Yes, during the development phase.

> the IDEs 
> I've worked with such as NetBeans and Eclipse does it for you 
> automatically.  I don't remember if NetBeans actually make a 
> war or not but it does autodeploy.  Eclipse will auto 
> synchronize and sometimes it will auto-redeploy the app or 
> restart TC depending on what was changed.  What IDE are you 
> using? 

Hmm...  I tend to use Eclipse primarily as a Java-aware text editor
(control-click to get to a declaration is invaluable), but my build is done
using ant.

My old solution was to simply do all of my development inside the tomcat
webapps directory.  This worked all right, except that it was incredibly
ugly and caused bizarre problems from time to time (e.g., when allowing
tomcat to autoload altered classes).  I'm trying to get everything set up
"right".

The only way I can see to do it is to play weird tricks with symbolic links,
but this seems like a bad solution.

Thoughts?


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tomcat mysql dbcp Communications link failure

[Chetouani]

Hello guys,

If you can help with this problem.

I have an application deployed on tomcat V6.18. It uses a mysql database.
The problem is that after some hours the applicatiion throws an exception when 
trying to connect to the data base.

com.mysql.jdbc.CommunicationsException: Communications link failure due to 
underlying exception

I cofigured a data source using dbcp :



I did some searches and it seems that the problem is that the connection pool 
keeps the connections for a long time even if they are considered dead by mysql

So if you can help

Thanks



  

Re: howto add a UDP Listener

[Andre-John Mas]

You may want to look at the Java VNC Viewer:

http://www.realvnc.com/support/javavncviewer.html

or TightVNC:

http://www.tightvnc.com/download.html

it may save you repeating work which has already been done elsewhere.

André-John

On 13-Sep-2009, at 16:10, Sebastian Wagner wrote:


yes it is a solution send only ... or receive only.

sebastian

2009/9/13 Andre-John Mas 



On 13-Sep-2009, at 15:04, Sebastian Wagner wrote:

Thanks for your answers.


I am working on a Desktop Sharing application that is sending the  
Desktop

Images over UDP to Tomcat. As this is quite time-critical I need to
integrate the UDP-handler into my webapp.
It seems like using MINA does solve my Issues.

thanks,
sebastian



Will you be sending images to a single host and is the solution  
send only?



André-John
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--
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
seba.wag...@gmail.com



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Re: Comet high CPU usages on IoEndpoint$Poller.run()

[Filip Hanik - Dev Lists]

Whis is the event.close conditional when there is an error, what if you 
get a Comet report that says


Type=CometEvent.EventType.ERROR
Subtype=null

?

Filip

On 09/13/2009 01:25 PM, Hacking Bear wrote:

} else if (event.getEventType() == CometEvent.EventType.ERROR) {
 final EventSubType subtype = event.getEventSubType();
 if (subtype == CometEvent.EventSubType.TIMEOUT) {
 log.info("ignore timeout");
 } else if (subtype == CometEvent.EventSubType.CLIENT_DISCONNECT)
{
 closeSessionConnection(httpSession.getId(), false);
 event.close();
 }
 



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Re: howto add a UDP Listener

[Sebastian Wagner]

yes it is a solution send only ... or receive only.

sebastian

2009/9/13 Andre-John Mas 

>
> On 13-Sep-2009, at 15:04, Sebastian Wagner wrote:
>
>  Thanks for your answers.
>>
>> I am working on a Desktop Sharing application that is sending the Desktop
>> Images over UDP to Tomcat. As this is quite time-critical I need to
>> integrate the UDP-handler into my webapp.
>> It seems like using MINA does solve my Issues.
>>
>> thanks,
>> sebastian
>>
>
> Will you be sending images to a single host and is the solution send only?
>
>
> André-John
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>


-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
seba.wag...@gmail.com

Re: howto add a UDP Listener

[Andre-John Mas]

On 13-Sep-2009, at 15:04, Sebastian Wagner wrote:


Thanks for your answers.

I am working on a Desktop Sharing application that is sending the  
Desktop

Images over UDP to Tomcat. As this is quite time-critical I need to
integrate the UDP-handler into my webapp.
It seems like using MINA does solve my Issues.

thanks,
sebastian


Will you be sending images to a single host and is the solution send  
only?


André-John
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Re: Tomcat Access Control Exception

[abhilashk_cse]

I have placed the Jini jars under CATALINE_HOME/lib

I am getting the following errors now:

java.security.AccessControlException: access denied (java.io.FilePermission
\C:\
softwares\tomcat\apache-tomcat-6.0.20\apache-tomcat-6.0.20\lib\jsk-platform.jar
read)
at
java.security.AccessControlContext.checkPermission(AccessControlConte
xt.java:323)
at
java.security.AccessController.checkPermission(AccessController.java:
546)
at
java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at java.net.URLClassLoader$4.run(URLClassLoader.java:494)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.getPermissions(URLClassLoader.java:492)
at
java.security.SecureClassLoader.getProtectionDomain(SecureClassLoader
.java:192)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
4)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at
com.truedataindia.comet.feed.FeedProcessor.run(FeedProcessor.java:59)

at java.lang.Thread.run(Thread.java:619)
Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]"
jav
a.security.AccessControlException: access denied
(java.lang.RuntimePermission se
tContextClassLoader)
at
java.security.AccessControlContext.checkPermission(AccessControlConte
xt.java:323)
at
java.security.AccessController.checkPermission(AccessController.java:
546)
at
java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at java.lang.Thread.setContextClassLoader(Thread.java:1351)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.p
rocessChildren(ContainerBase.java:1605)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.r
un(ContainerBase.java:1590)
at java.lang.Thread.run(Thread.java:619)
14 Sep, 2009 1:21:16 AM org.apache.catalina.connector.CoyoteAdapter event
SEVERE: An exception or error occurred in the container during the request
proce
ssing
java.security.AccessControlException: access denied
(java.lang.RuntimePermission
 setContextClassLoader)
at
java.security.AccessControlContext.checkPermission(AccessControlConte
xt.java:323)
at
java.security.AccessController.checkPermission(AccessController.java:
546)
at
java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at java.lang.Thread.setContextClassLoader(Thread.java:1351)
at
org.apache.catalina.core.StandardHostValve.event(StandardHostValve.ja
va:174)
at org.apache.catalina.valves.ValveBase.event(ValveBase.java:200)
at
org.apache.catalina.core.StandardEngineValve.event(StandardEngineValv
e.java:128)
at
org.apache.catalina.connector.CoyoteAdapter.event(CoyoteAdapter.java:
198)
at
org.apache.coyote.http11.Http11NioProcessor.event(Http11NioProcessor.
java:750)
at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.ev
ent(Http11NioProtocol.java:656)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoin
t.java:2214)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec
utor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
.java:907)
at java.lang.Thread.run(Thread.java:619)




abhilashk_cse wrote:
> 
> I am using org.apache.coyote.http11.Http11NioProtocol connector and
> deployed a comet application which uses Jini jars.
> 
> While running the comet application it is throwing errors. There is a
> security access code in my application:
> if (System.getSecurityManager() == null)
> System.setSecurityManager(new RMISecurityManager());
> 
> I have set the following security policy for the comet application in
> catalina.policy file.
> 
> grant codeBase "file:${catalina.home}/webapps/comet/-" {
>   permission java.security.AllPermission;
> };
> 
> 
> The catalina log file is as follows: Any help will be appreciated.
> 
> Sep 15, 2009 12:10:08 AM org.apache.catalina.core.AprLifecycleListener
> init
> INFO: The APR based Apache Tomcat Native library which allows optimal
> performance in production environments was not found on the
> java.library.path:
> /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386/server:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
> Sep 15, 2009 12:10:08 AM org.apache.tomcat.

Re: howto add a UDP Listener

[Sebastian Wagner]

You might be right, I will have to try different approaches till the final
release.

thanks,
sebastian

2009/9/13 Caldarale, Charles R 

> > From: Sebastian Wagner [mailto:seba.wag...@gmail.com]
> > Subject: Re: howto add a UDP Listener
> >
> > I think you mean why it does NOT use a reliable protocol ... ?
>
> Which is what I said:
>
> > > Why *doesn't* the Desktop Sharing application use a reliable protocol
>
> > I hope to gain some performance by using UDP.
>
> Simply by eliminating the ACKs?  I think you'd be hard pressed to measure a
> real-world difference.
>
>  - 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: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>


-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
seba.wag...@gmail.com

RE: howto add a UDP Listener

[Caldarale, Charles R]

> From: Sebastian Wagner [mailto:seba.wag...@gmail.com]
> Subject: Re: howto add a UDP Listener
> 
> I think you mean why it does NOT use a reliable protocol ... ?

Which is what I said:

> > Why *doesn't* the Desktop Sharing application use a reliable protocol

> I hope to gain some performance by using UDP.

Simply by eliminating the ACKs?  I think you'd be hard pressed to measure a 
real-world difference.

 - 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.


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Re: howto add a UDP Listener

[Sebastian Wagner]

I think you mean why it does NOT use a reliable protocol ... ?

Iit is not that important if some packages are lost in this case and I hope
to gain some performance by using UDP.

sebastian

2009/9/13 Caldarale, Charles R 

> > From: Sebastian Wagner [mailto:seba.wag...@gmail.com]
> > Subject: Re: howto add a UDP Listener
> >
> > I am working on a Desktop Sharing application that is sending the
> > Desktop Images over UDP to Tomcat.
>
> Why doesn't the Desktop Sharing application use a reliable protocol (e.g.,
> HTTP over TCP) to talk to Tomcat?
>
>  - 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: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>


-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
seba.wag...@gmail.com

Tomcat Access Control Exception

[abhilashk_cse]

I am using org.apache.coyote.http11.Http11NioProtocol connector and deployed
a comet application which uses Jini jars.

While running the comet application it is throwing errors. There is a
security access code in my application:
if (System.getSecurityManager() == null)
System.setSecurityManager(new RMISecurityManager());

I have set the following security policy for the comet application in
catalina.policy file.

grant codeBase "file:${catalina.home}/webapps/comet/-" {
  permission java.security.AllPermission;
};


The catalina log file is as follows: Any help will be appreciated.

Sep 15, 2009 12:10:08 AM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal
performance in production environments was not found on the
java.library.path:
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386/server:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
Sep 15, 2009 12:10:08 AM org.apache.tomcat.util.net.NioSelectorPool
getSharedSelector
INFO: Using a shared selector for servlet write/read
Sep 15, 2009 12:10:08 AM org.apache.coyote.http11.Http11NioProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Sep 15, 2009 12:10:08 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 553 ms
Sep 15, 2009 12:10:08 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Sep 15, 2009 12:10:08 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.20
Sep 15, 2009 12:10:09 AM org.apache.coyote.http11.Http11NioProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Sep 15, 2009 12:10:09 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 667 ms
Sep 15, 2009 12:10:17 AM org.apache.catalina.mbeans.ServerLifecycleListener
lifecycleEvent
SEVERE: destroyMBeans: Throwable
java.security.AccessControlException: access denied
(javax.management.MBeanPermission
org.apache.catalina.mbeans.ContextResourceMBean#-[Catalina:class=org.apache.catalina.UserDatabase,name="UserDatabase",resourcetype=Global,type=Resource]
unregisterMBean)
at
java.security.AccessControlContext.checkPermission(AccessControlContext.java:342)
at
java.security.AccessController.checkPermission(AccessController.java:553)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.checkMBeanPermission(DefaultMBeanServerInterceptor.java:1850)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.checkMBeanPermission(DefaultMBeanServerInterceptor.java:1833)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:436)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:421)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:540)
at 
org.apache.catalina.mbeans.MBeanUtils.destroyMBean(MBeanUtils.java:1499)
at
org.apache.catalina.mbeans.ServerLifecycleListener.destroyMBeans(ServerLifecycleListener.java:772)
at
org.apache.catalina.mbeans.ServerLifecycleListener.destroyMBeans(ServerLifecycleListener.java:923)
at
org.apache.catalina.mbeans.ServerLifecycleListener.destroyMBeans(ServerLifecycleListener.java:961)
at
org.apache.catalina.mbeans.ServerLifecycleListener.lifecycleEvent(ServerLifecycleListener.java:154)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:738)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:633)
at
org.apache.catalina.startup.Catalina$CatalinaShutdownHook.run(Catalina.java:676)
Sep 15, 2009 12:10:17 AM org.apache.coyote.http11.Http11NioProtocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8080
Sep 15, 2009 12:10:18 AM org.apache.catalina.core.StandardService stop
INFO: Stopping service Catalina
Sep 15, 2009 12:10:18 AM org.apache.catalina.core.StandardPipeline
unregisterValve
INFO: Can't unregister valve
org.apache.catalina.core.StandardEngineValve[Catalina]
java.security.AccessControlException: access denied
(javax.management.MBeanPermission
org.apache.tomcat.util.modeler.BaseModelMBean#-[Catalina:name=StandardEngineValve,type=Valve]
unregisterMBean)
at
java.security.AccessControlContext.checkPermission(AccessControlContext.java:342)
at
java.security.AccessController.checkPermission(AccessController.java:553)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.checkMBeanPermission(DefaultMBeanServerInterceptor.java:1850)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.checkMBeanPermission

Comet high CPU usages on IoEndpoint$Poller.run()

[Hacking Bear]

Hi,

I have been battling with the comet event handling for a few weeks. The main
symptom is that the CPU usages may go high (60%), especially from a Firefox
connection. My page flow looks like:
- start firefox
- go to a login page to start a http session
- go to a page with comet subscription, see the comet events flowing
- go to the logout page which does a session.invalidate() and redirect back
to the page
- visit any page of this webapp, the CPU goes way up.

I have done a number of things trying to fix that, including:
- upgrade to JDK 1.6u16 (as there is a mention of socket select bug fixed in
1.6u4 on Windows)
- try both NIO connector and APR (as suggested in one forum comment)
- try to wrap the output stream in a synchronized stream and check for
stream closing.
- flush the output stream before closing (but that always resulting in NPE)

None of these works.

The CPU thread dump shows that it is spinning at either
NioEndPoint$Poller.run() or ArpendPoint$Poller.run() of the comet polling
thread. (In fact, if I suspend the thread in debugger, the CPU usages return
to 0.)

The problem could be triggered in IE as well but much less frequently, so
not sure how to reproduce.

What else I should be looking for?

Thanks
-
My event() handler looks like

if (event.getEventType() == CometEvent.EventType.BEGIN) {
log.info("Begin comet channel session:", httpSession.getId());
response.flushBuffer();
s_connections.put(httpSession.getId(), response);
} else if (event.getEventType() == CometEvent.EventType.ERROR) {
final EventSubType subtype = event.getEventSubType();
if (subtype == CometEvent.EventSubType.TIMEOUT) {
log.info("ignore timeout");
} else if (subtype == CometEvent.EventSubType.CLIENT_DISCONNECT)
{
closeSessionConnection(httpSession.getId(), false);
event.close();
}
} else if (event.getEventType() == CometEvent.EventType.END) {
final EventSubType subtype = event.getEventSubType();
if (subtype == null || subtype ==
CometEvent.EventSubType.SESSION_END) {
// ... unsubscribe all comet topics ...
}
closeSessionConnection(session);
event.close();
} else if (event.getEventType() == CometEvent.EventType.READ) {
InputStream is = request.getInputStream();
byte[] buf = new byte[512];
do {
int n = is.read(buf); // can throw an IOException
if (n > 0) {
} else if (n < 0) {
closeSessionConnection(httpSession.getId());
event.close();
return;
}
} while (is.available() > 0);
}
protected static void closeSessionConnection(String sessionId) throws
IOException {
HttpServletResponse response = s_connections.remove(sessionId);
if (response == null) {
return;
}
synchronized (response) {
PrintWriter writer = response.getWriter();
try {
response.flushBuffer();
log.info("Http response flushed");
} catch (NullPointerException e) { // always happen
} catch (Exception e) {
log.error("Error flushing response", e);
}
try {
writer.close();
} catch (NullPointerException e) { // always happen
} catch (Exception e) {
log.error("Error closing writer", e);
}
}
}
the JavaScript codes (for FF) basically looks like

function cometStart(url) {
  var xmlhttp = new XMLHttpRequest();
  xmlhttp.onreadystatechange = function() {

 if(xmlhttp.readyState == 4 && cometSettings.active) {
cometStart(url);
return(false);
 }

 if(xmlhttp.readyState == 3) {
var data = xmlhttp.responseText;
// process data
 }
  };
  xmlhttp.open('GET', url, true);
  xmlhttp.send(null);
  cometSettings.active = true;
}

RE: howto add a UDP Listener

[Caldarale, Charles R]

> From: Sebastian Wagner [mailto:seba.wag...@gmail.com]
> Subject: Re: howto add a UDP Listener
> 
> I am working on a Desktop Sharing application that is sending the
> Desktop Images over UDP to Tomcat.

Why doesn't the Desktop Sharing application use a reliable protocol (e.g., HTTP 
over TCP) to talk to Tomcat?

 - 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 
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Re: howto add a UDP Listener

[Sebastian Wagner]

Thanks for your answers.

I am working on a Desktop Sharing application that is sending the Desktop
Images over UDP to Tomcat. As this is quite time-critical I need to
integrate the UDP-handler into my webapp.
It seems like using MINA does solve my Issues.

thanks,
sebastian

2009/9/13 Andre-John Mas 

>
> On 13-Sep-2009, at 14:19, Caldarale, Charles R wrote:
>
>  From: Sebastian Wagner [mailto:seba.wag...@gmail.com]
>>> Subject: howto add a UDP Listener
>>>
>>> Is there a way of telling tomcat to receive UDP Packets and forward
>>> them to my Handlers?
>>>
>>
>> No.  Tomcat is a server for HTTP requests running over TCP protocol.
>>  You'll need to implement your own UDP handler.  You might want to look over
>> this thread, which sounds similar to your situation (ignore the last message
>> of the thread, which is a hijack):
>> http://marc.info/?t=11356216962&r=1&w=2
>>
>> You might be able to make use of this within your code:
>> http://mina.apache.org/
>>
>
> I am just curious what problem the original poster is trying to address?
>
> The approach I would probably take is to make an external "proxy"
> application that accepts the UDP requests and then submits the data as an
> HTTP request to the web server using a GET or POST request. The advantage
> with this is that it helps keep the webapp focused on HTTP and not stuff
> that doesn't really fit with web server.
>
> André-John
>
>
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>


-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
seba.wag...@gmail.com

Re: howto add a UDP Listener

[Andre-John Mas]

On 13-Sep-2009, at 14:19, Caldarale, Charles R wrote:


From: Sebastian Wagner [mailto:seba.wag...@gmail.com]
Subject: howto add a UDP Listener

Is there a way of telling tomcat to receive UDP Packets and forward
them to my Handlers?


No.  Tomcat is a server for HTTP requests running over TCP  
protocol.  You'll need to implement your own UDP handler.  You might  
want to look over this thread, which sounds similar to your  
situation (ignore the last message of the thread, which is a hijack):

http://marc.info/?t=11356216962&r=1&w=2

You might be able to make use of this within your code:
http://mina.apache.org/


I am just curious what problem the original poster is trying to address?

The approach I would probably take is to make an external "proxy"  
application that accepts the UDP requests and then submits the data as  
an HTTP request to the web server using a GET or POST request. The  
advantage with this is that it helps keep the webapp focused on HTTP  
and not stuff that doesn't really fit with web server.


André-John



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RE: howto add a UDP Listener

[Caldarale, Charles R]

> From: Sebastian Wagner [mailto:seba.wag...@gmail.com]
> Subject: howto add a UDP Listener
> 
> Is there a way of telling tomcat to receive UDP Packets and forward
> them to my Handlers?

No.  Tomcat is a server for HTTP requests running over TCP protocol.  You'll 
need to implement your own UDP handler.  You might want to look over this 
thread, which sounds similar to your situation (ignore the last message of the 
thread, which is a hijack):
http://marc.info/?t=11356216962&r=1&w=2

You might be able to make use of this within your code:
http://mina.apache.org/

 - 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.


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howto add a UDP Listener

[Sebastian Wagner]

hi,

I would like to add an UDP Listener to send and receive UDP to my
tomcat-webapp.

Unfortunately the server does reject Packets when I do try a usual

DatagramSocket socket = new DatagramSocket(4445);

as soon as I try that I get errors in my application.

Is there a way of telling tomcat to receive UDP Packets and forward them to
my Handlers?
Something like a Servlet that gives me the UDP Packets?


thanks
Sebastian Wagner

-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
seba.wag...@gmail.com

Re: Tomcat 6 Clustering with session replication problem

[Filip Hanik - Dev Lists]

did you try with path





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Re: Windwos Integrated Authentication using AD and Tomcat (no prompt to the users)

[Steve Ochani]

> To Martin, Steve and others :
> 
> Samba's JCIFS works fine, but only for NTLMv1 authentication.
> (It is also no longer maintained, see http://jcifs.samba.org.)

Yes I saw that on the jcifs website. However I left to up to the OP to see that 
as well, 
considering the blue "important" notice is quite attention grabbing.




> It does NOT work for NTLMv2 authentication, which is fast becoming the
> norm, and the default from Vista onwards. Jespa works with NTLMv2, and
> is free for up to 25 users.
> 
> I have no shares in ioplex or Jespa.
> 
> 
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For
> additional commands, e-mail: users-h...@tomcat.apache.org
> 



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OT:: Unable to unsubscribe from this list

[Mohamed Shah]

Hi buddies,

OFFTOPIC

I thank everyone for your support. I have moved to JBOSS and also the tomcat 
mails flooded my junk folder as well as my main folder. so i have decided to un 
subcribe from list.

When i send email to 
users-unsubscr...@tomcat.apache.org,
 I get a reply email with an address. But i am unable to send the second 
mail,as it is getting failed to deliver. How is it possible to solve this?

Thanks,
Mohamed

Re: Windwos Integrated Authentication using AD and Tomcat (no prompt to the users)

[André Warnier]

To Martin, Steve and others :

Samba's JCIFS works fine, but only for NTLMv1 authentication.
(It is also no longer maintained, see http://jcifs.samba.org.)
It does NOT work for NTLMv2 authentication, which is fast becoming the 
norm, and the default from Vista onwards.

Jespa works with NTLMv2, and is free for up to 25 users.

I have no shares in ioplex or Jespa.


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Re: Windwos Integrated Authentication using AD and Tomcat (no prompt to the users)

[André Warnier]

Quick answer :

Look at http://www.ioplex.com, Jespa.

Derlei Luff wrote:

Hi all,
 
I’m new to Tomcat and normally work in a Microsoft Windows world. I’ve stumbled into a problem using Tomcat as a web server, that I’m sure there is a simple solution for though I can’t find it. I’m sure it works if I use a MS IIS server instead of a Tomcat server at least. I hope some of you more experienced users of Tomcat can either point me in the right direction or perhaps come up with the conclusion J

My problem is:
I have a running Active Directory which holds the users and groups. I have a Windows XP client, which is member of the Active Directory domain. If a users logs into the client using he’s username and password and then open Internet Explore I would like him to gain access to a web page hosted on the Tomcat server. The problem is that the Tomcat server shall validate the user’s Active Directory credentials and the credentials should be sent to Tomcat without user interaction. In other words I want “Windows Integrated Authentication” from the MS world, so that Internet Explore takes the users credentials and send them to the Tomcat server (Kerberos). So far I can only get this to work if Internet Explorer prompts the users for he’s credentials (Basic Authentication). 
In other words I want to archive this:

· Users logs onto the Windows XP computer using he’s username and 
password
· User opens Internet explorer and write the URL to the page hosted on 
the Tomcat server
· Internet Explore sends the users username and password automatically 
to tomcat (Kerberos)
· The Tomcat validates the user’s credentials and accepts the request.
 
This is some form of Single Sign On and I know it works if I use IIS instead of Tomcat.

I’ve found several guides on the net, but no one which tells me if this is 
possible or not. Hope some of you of you can point me in the right direction, 
but perhaps I have to use a third part application to archive this??
 
Thanks in advance,

Derlei


  



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