date:20090218

That's what I thought too looking at the docs, but I found posts like this:
http://mail-archives.apache.org/mod_mbox/tomcat-dev/200802.mbox/%3c47c45363.5060...@hanik.com%3e
and
http://www.mailinglistarchive.com/users@tomcat.apache.org/msg25455.html

FYI, DisableReuse hurt my performance by about 30%.
So, I think I'm fine the way I am.

Thanx,

-Tony
---
Manager, IT Operations
Format Dynamics, Inc.
303-573-1800x27
abia...@formatdynamics.com
http://www.formatdynamics.com


-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
Sent: Wednesday, February 18, 2009 3:32 PM
To: Tomcat Users List
Subject: Re: mod_jk pool/thread/configure questions

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Anthony,

On 2/18/2009 4:43 PM, Anthony J. Biacco wrote:
> 1. That's how I understood the documentation also. Maybe "Max" in
> jkstatus refers to the max simultaneous connections it has done so
> far, not the max it can do?

I have no idea. Rainer or Mladen will have to answer this. Guys?

> 2. Yeah, I tried the Executor attribute. Unfortunately, it doesn't
> work on AJP connectors. But a good thought. Perhaps the DisableReuse
> JkOption. I'll have to load test performance both ways.

Really? It's documented to be supported here:
http://tomcat.apache.org/tomcat-6.0-doc/config/ajp.html

If it doesn't work, you should file a bug report.

I'm not sure is DisableReuse is going to change anything... the Java
threads are independent of that setting. The DisableReuse will just
establish new ajp13 connections with the backend. The same set of
threads will still handle the requests.

- -chris

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Re: Record and simulate a web app

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Frank,

On 2/18/2009 5:10 PM, Frank W. Zammetti wrote:
> +1 to what Christopher said... but, you can save yourself some time:
> 
> http://javawebparts.sourceforge.net/
> 
> More specifically:
> 
> http://javawebparts.sourceforge.net/javadocs/javawebparts/filter/RequestRecorderFilter.html

I think this might get you started, but it only records the request
parameters. You'll need to hash everything if you really want to detect
the "same" request for replay.

> ...and to go along with that:
> 
> http://javawebparts.sourceforge.net/javadocs/javawebparts/misc/package-summary.html

I think the RecordedRequestPlayer is another "client" replay driver
rather than something that can replay the response back to a particular
request.

This is interesting enough that I might try to do it myself ;)

- -chris

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Re: mod_jk pool/thread/configure questions

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Anthony,

On 2/18/2009 4:43 PM, Anthony J. Biacco wrote:
> 1. That's how I understood the documentation also. Maybe "Max" in
> jkstatus refers to the max simultaneous connections it has done so
> far, not the max it can do?

I have no idea. Rainer or Mladen will have to answer this. Guys?

> 2. Yeah, I tried the Executor attribute. Unfortunately, it doesn't
> work on AJP connectors. But a good thought. Perhaps the DisableReuse
> JkOption. I'll have to load test performance both ways.

Really? It's documented to be supported here:
http://tomcat.apache.org/tomcat-6.0-doc/config/ajp.html

If it doesn't work, you should file a bug report.

I'm not sure is DisableReuse is going to change anything... the Java
threads are independent of that setting. The DisableReuse will just
establish new ajp13 connections with the backend. The same set of
threads will still handle the requests.

- -chris

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Re: Can I access Tomcat's JNDI provider from outside tomcat?

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Uma,

On 2/13/2009 7:16 AM, Uma Gudi wrote:
> How  to access Tomcat's JNDI provider from outside tomcat 5.5.27 ? 

Tomcat does not provide a complete JNDI directory, etc. It is only for
use within Tomcat.

If you need to mock-up a JNDI DataSource for unit testing, these guys
have apparently done something like that:
http://faq.javaranch.com/java/CodeBarnLibrariesAndFrameworks

- -chris

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Re: Record and simulate a web app

2009-02-18 Thread Frank W. Zammetti

+1 to what Christopher said... but, you can save yourself some time:

http://javawebparts.sourceforge.net/

More specifically:

http://javawebparts.sourceforge.net/javadocs/javawebparts/filter/RequestRecorderFilter.html

...and to go along with that:

http://javawebparts.sourceforge.net/javadocs/javawebparts/misc/package-summary.html

I think that'll pretty much do as suggested.

Frank

--
Frank W. Zammetti
Author of "Practical Dojo Projects"
and "Practical DWR 2 Projects"
and "Practical JavaScript, DOM Scripting and Ajax Projects"
and "Practical Ajax Projects With Java Technology"
(For info: apress.com/book/search?searchterm=zammetti&act=search)
My "look ma, I have a blog too!" blog: zammetti.com/blog

Christopher Schultz wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Youssef,

On 2/18/2009 2:02 PM, Youssef Mohammed wrote:

Sorry if this not directly related to tomcat itself. I have a swing app that
communicate with backend thru a web app deployed on tomcat. For testing
purposes, we want to be able to record some http responses and later on be
able to simulate the same response when it gets the same request ( aka
simulating the web sever). All tools we could find only record requests and
simulate the client not the sever. Any help/hint is appreciated. thnx

This sounds like something you could write yourself as a relatively
simple webapp:

1. Write an HTTP recorder filter. Configure it as the first filter that
gets run for any request. Wrap the request object with one that records
the input stream coming in, say, to a file. Wrap the response with one
that records the output to another file. Your request object can link
these two files any way it wants. You probably want to do something like
use Content-Length + SHA1(request) as a key to the request that you
store for later.

2. Run your application through this filter to generate some test data.

3. Write a servlet that does nothing but read requests, hash them, look
up the "test response" from your database of responses, and dump the
response back to the client.

You'll have to watch out for a few things:

1. The recorded response is not directly playable because it includes
things like the status header, which you can't send twice. So you'll
have to record the status header and set it appropriately instead of
just writing content.

2. Similar to #1, you have to send headers using setHeader() instead of
just writing to the output stream, because the output stream is used
solely for the response body.

3. If your requests include bodies, you might want to pre-process the
requests to account for varying amounts of whitespace, etc.

In thinking about #1 and #2 above, I think a change to the "recorder" is
in order: you probably want to store the headers, status code, etc.
specially instead of just as text in your recorded file. This will make
it easier to "play back" the response.

Hope that helps,
- -chris
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RE: mod_jk pool/thread/configure questions

1. That's how I understood the documentation also. Maybe "Max" in jkstatus 
refers to the max simultaneous connections it has done so far, not the max it 
can do?

2. Yeah, I tried the Executor attribute. Unfortunately, it doesn't work on AJP 
connectors. But a good thought. Perhaps the DisableReuse JkOption. I'll have to 
load test performance both ways.

3. Thank you.

-Tony
---
Manager, IT Operations
Format Dynamics, Inc.
303-573-1800x27
abia...@formatdynamics.com
http://www.formatdynamics.com

-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
Sent: Wednesday, February 18, 2009 2:24 PM
To: Tomcat Users List
Subject: Re: mod_jk pool/thread/configure questions

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Anthony,

On 2/18/2009 1:14 PM, Anthony J. Biacco wrote:
> I'm using apache 2.2.11 with tomcat 6.0.18 and mod_jk 1.2.27 on linux
> 2.6 x86_64.
> I was using a prefork mpm in apache, but have now moved to the worker
> mpm.
> I have a question or two regarding mod_jk in light of this change.
> 
> 1. I'm running with ThreadsPerChild at 25 and MaxClients at 500. So,
> I understand this to mean my connection pool minimum size will be a
> total of 13. (25+1/2).

- From the JK documentation:

"
connection_pool_size

This defines the number of connections made to the AJP backend that are
maintained as a connection pool. It will limit the number of those
connection that each web server child process can made.

Connection pool size property is only used for multi threaded web
servers such as Apache, IIS and Netscape/Sun. The connection_pool_size
property needs to reflect the number of requests one web server process
should be able to send to a backend in parallel. Usually this is the
same as the number of threads per web server process. JK will discover
this number for the Apache web server automatically and set the pool
size to this value. For IIS the default value is 250 (before version
1.2.20: 10), for Netscape/Sun the default value is 1.
"

Sounds like your connection pool size will be fixed at 25 connections
per httpd process.

> And then that this will be divided between my 4 tomcat
> backends fairly equally.

If I'm reading the documentation correctly, the connection_pool_size is
set for a particular worker, so if you have 4 separate workers (for 4
separate Tomcat instances), each with a connection_pool_size of 25,
you'll end up with 100 ajp13 connections from httpd to Tomcat /per
process/. So, if you are using the worker mpm and have 10 processes,
then you'll have 1000 ajp13 connections from httpd to Tomcat.

The stats you get from the jkstatus make it obvious that I don't know
what I'm talking about.

> 2. In tomcat, It seems that my threads keep increasing, though they're
> not used. I thought that the connectTimeout in tomcat and the
> connect_timeout/ping_timeout in mod_jk would stop this by closing idle
> threads, but it does not. Eventually the threads in tomcat with reach
> the max of 400 and stay there until tomcat is restarted. Is there a way
> to resolve this? And more importantly, should I resolve it? Is there any
> major memory/CPU inplications to it keeping its  threads at the max?

I seem to recall someone saying that (for the standard HTTP and AJP
connectors) allocated request processors are never recycled. That is,
once a thread is created to handle an incoming connection, it is never
retired. If you use an , I believe you can do real thread
management and have your threads disappear when they are idle for too
long. You might want to check the documentation for :

http://tomcat.apache.org/tomcat-6.0-doc/config/executor.html

You'll want to use the "executor" attribute on your  elements
to have your connectors use the named executor for thread management.

> 3. What are the benefits to configuring mod_jk with --enable-EAPI and for
> what circumstances should this be used?

You are using Apache httpd 2.2, so EAPI isn't applicable. EAPI is only
for httpd 1.3.

- -chris

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Re: Record and simulate a web app

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Hash: SHA1

Youssef,

On 2/18/2009 2:02 PM, Youssef Mohammed wrote:
> Sorry if this not directly related to tomcat itself. I have a swing app that
> communicate with backend thru a web app deployed on tomcat. For testing
> purposes, we want to be able to record some http responses and later on be
> able to simulate the same response when it gets the same request ( aka
> simulating the web sever).  All tools we could find only record requests and
> simulate the client not the sever. Any help/hint is appreciated. thnx

This sounds like something you could write yourself as a relatively
simple webapp:

1. Write an HTTP recorder filter. Configure it as the first filter that
gets run for any request. Wrap the request object with one that records
the input stream coming in, say, to a file. Wrap the response with one
that records the output to another file. Your request object can link
these two files any way it wants. You probably want to do something like
use Content-Length + SHA1(request) as a key to the request that you
store for later.

2. Run your application through this filter to generate some test data.

3. Write a servlet that does nothing but read requests, hash them, look
up the "test response" from your database of responses, and dump the
response back to the client.

You'll have to watch out for a few things:

1. The recorded response is not directly playable because it includes
things like the status header, which you can't send twice. So you'll
have to record the status header and set it appropriately instead of
just writing content.

2. Similar to #1, you have to send headers using setHeader() instead of
just writing to the output stream, because the output stream is used
solely for the response body.

3. If your requests include bodies, you might want to pre-process the
requests to account for varying amounts of whitespace, etc.

In thinking about #1 and #2 above, I think a change to the "recorder" is
in order: you probably want to store the headers, status code, etc.
specially instead of just as text in your recorded file. This will make
it easier to "play back" the response.

Hope that helps,
- -chris
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Re: mod_jk pool/thread/configure questions

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Anthony,

On 2/18/2009 1:14 PM, Anthony J. Biacco wrote:
> I'm using apache 2.2.11 with tomcat 6.0.18 and mod_jk 1.2.27 on linux
> 2.6 x86_64.
> I was using a prefork mpm in apache, but have now moved to the worker
> mpm.
> I have a question or two regarding mod_jk in light of this change.
> 
> 1. I'm running with ThreadsPerChild at 25 and MaxClients at 500. So,
> I understand this to mean my connection pool minimum size will be a
> total of 13. (25+1/2).

- From the JK documentation:

"
connection_pool_size

This defines the number of connections made to the AJP backend that are
maintained as a connection pool. It will limit the number of those
connection that each web server child process can made.

Connection pool size property is only used for multi threaded web
servers such as Apache, IIS and Netscape/Sun. The connection_pool_size
property needs to reflect the number of requests one web server process
should be able to send to a backend in parallel. Usually this is the
same as the number of threads per web server process. JK will discover
this number for the Apache web server automatically and set the pool
size to this value. For IIS the default value is 250 (before version
1.2.20: 10), for Netscape/Sun the default value is 1.
"

Sounds like your connection pool size will be fixed at 25 connections
per httpd process.

> And then that this will be divided between my 4 tomcat
> backends fairly equally.

If I'm reading the documentation correctly, the connection_pool_size is
set for a particular worker, so if you have 4 separate workers (for 4
separate Tomcat instances), each with a connection_pool_size of 25,
you'll end up with 100 ajp13 connections from httpd to Tomcat /per
process/. So, if you are using the worker mpm and have 10 processes,
then you'll have 1000 ajp13 connections from httpd to Tomcat.

The stats you get from the jkstatus make it obvious that I don't know
what I'm talking about.

> 2. In tomcat, It seems that my threads keep increasing, though they're
> not used. I thought that the connectTimeout in tomcat and the
> connect_timeout/ping_timeout in mod_jk would stop this by closing idle
> threads, but it does not. Eventually the threads in tomcat with reach
> the max of 400 and stay there until tomcat is restarted. Is there a way
> to resolve this? And more importantly, should I resolve it? Is there any
> major memory/CPU inplications to it keeping its  threads at the max?

I seem to recall someone saying that (for the standard HTTP and AJP
connectors) allocated request processors are never recycled. That is,
once a thread is created to handle an incoming connection, it is never
retired. If you use an , I believe you can do real thread
management and have your threads disappear when they are idle for too
long. You might want to check the documentation for :

http://tomcat.apache.org/tomcat-6.0-doc/config/executor.html

You'll want to use the "executor" attribute on your  elements
to have your connectors use the named executor for thread management.

> 3. What are the benefits to configuring mod_jk with --enable-EAPI and for
> what circumstances should this be used?

You are using Apache httpd 2.2, so EAPI isn't applicable. EAPI is only
for httpd 1.3.

- -chris

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RE: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

2009-02-18 Thread Caldarale, Charles R

> From: Scott Carlson [mailto:scarl...@i2s.com]
> Subject: Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems
>
> My WEB-INF/classes/    contains the "missing" class...
> MsgServiceImpl.class  .. not sure what the heck the problem is..?

You don't have it properly placed in the subdirectories; it needs to be:
WEB-INF/classes/com/i2s/webMonster/server/MsgServiceImpl.class

The package name is the subdirectory structure - this is basic Java.

 - Chuck


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Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

Caldarale, Charles R wrote:

From: Scott Carlson [mailto:scarl...@i2s.com]
Subject: Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

That was what I had originally, it has changed often due to
conflicting advice on forums. I did change it back to test.

Leave it as is, without the package name.  The  must match... the URL 
pattern (what a coincidence).  If you're not using com.i2s.webMonster.server as part of the 
URL, it shouldn't be in the .  (Whatever forum advised including the 
package name is a forum to avoid.)

127.0.0.1 - - [18/Feb/2009:13:46:39 -0500] "POST
/webMonster/MsgService HTTP/1.1" 500 2656 0.004 -

The above is the only one of interest in the access log.  As previously 
suggested, test with just this URL, using wget or equivalent, direct to Tomcat; 
eliminate the rest of the crap until the servlet is sorted.

SEVERE: Allocate exception for servlet MsgService
java.lang.ClassNotFoundException:
com.i2s.webMonster.server.MsgServiceImpl

Perhaps you need to fix the above before doing anything else.

I haven't seen that latter log until just now! Does this help?

In the word of Homer Simpson, Doh!

 - Chuck

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Thanks for your time Chuck.  I have moved this question to the GWT 
Group, hope they respond as fast as you did!

As of now, I haven't resolved these issues. I will come back with a 
follow-up..

My WEB-INF/classes/    contains the "missing" class...  
MsgServiceImpl.class  .. not sure what the heck the problem is..?

Thanks Again
Scott

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Re: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

2009-02-18 Thread János Löbb



On Feb 18, 2009, at 3:24 PM, Alan Chaney wrote:




I agree with Jorge - I run several Tomcats under VMware for both  
production and development.


However it is worth noting that if you use the appropriate vmware  
tools for your installation (vmware-guestd etc.) you get a  
significant performance boost on network accesses which may well be  
important for tomcat. (See vmxnet) YMMV.


Regards

Alan Chaney




Jorge Medina wrote:
There are no issues on running Tomcat in a VM. Tomcat is unaware of  
where it is running.
Performance depends on the host running your VM. If you compare a  
VM running application A on host H compared to application A  
running directly on host H, you will notice that running on the  
real server is faster. This is true for any application, not just  
Tomcat. -Original Message-
From: acacio costa [mailto:acaciofco...@yahoo.com.br] Sent:  
Wednesday, February 18, 2009 2:33 PM

To: users@tomcat.apache.org
Subject: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization
Hi,
Does anyone use Apache Tom Cat in a VM as VMWARE or Red Hat  
Virtualization?

i apreciate to know if you have issues and a tips to go on.
Other things to know, Performance comparative with a real server?  
as the same? better? What the parameters you perceive as better  
than other environment and what cause as you move Tom Cat to VM.

Thanks in advance,
Acacio Costa
 Veja quais são os assuntos do momento no Yahoo! +Buscados 
http://br.maisbuscados.yahoo.com
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!DSPAM:499c67d762582136417547!


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I would add only that You - OP - might want to have a "Bridged"  
network connection in the VM.  I have VmWare Fusion on my Mac and as  
soon as I bridged it things got much better, network wise.


János
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RE: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

Agreed, I run 2 LBed tomcats in seperate vmware machines for our dev environ. 
with no noticeable problems. Depends on the app though. For instance, my mysql 
cluster in vmware sucks when you do just about anything in the vm machines, 
because it's so sensitive to latency.

-Tony

Sent from my Windows Mobile® phone.

-Original Message-
From: Alan Chaney 
Sent: Wednesday, February 18, 2009 1:26 PM
To: Tomcat Users List 
Subject: Re: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization



I agree with Jorge - I run several Tomcats under VMware for both 
production and development.

However it is worth noting that if you use the appropriate vmware tools 
for your installation (vmware-guestd etc.) you get a significant 
performance boost on network accesses which may well be important for 
tomcat. (See vmxnet) YMMV.

Regards

Alan Chaney




Jorge Medina wrote:
> There are no issues on running Tomcat in a VM. Tomcat is unaware of where it 
> is running.
> 
> Performance depends on the host running your VM. If you compare a VM running 
> application A on host H compared to application A running directly on host H, 
> you will notice that running on the real server is faster. This is true for 
> any application, not just Tomcat. 
> 
> 
> 
> -Original Message-
> From: acacio costa [mailto:acaciofco...@yahoo.com.br] 
> Sent: Wednesday, February 18, 2009 2:33 PM
> To: users@tomcat.apache.org
> Subject: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization
> 
> Hi,
>  
> Does anyone use Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization?
>  
> i apreciate to know if you have issues and a tips to go on.
>  
> Other things to know, Performance comparative with a real server? as the 
> same? better? 
> What the parameters you perceive as better than other environment and what 
> cause as you move Tom Cat to VM.
>  
> Thanks in advance,
>  
> Acacio Costa
> 
> 
>   Veja quais são os assuntos do momento no Yahoo! +Buscados 
> http://br.maisbuscados.yahoo.com
> 
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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> 
> 
> 
> !DSPAM:499c67d762582136417547!
> 

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Re: Expired Self-Signed Certificates?

-BEGIN PGP SIGNED MESSAGE-
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Mark,

On 2/17/2009 3:03 PM, Furman, Mark wrote:
> Thanks Serge.  I believe that answers my question. 

Note that, if your client app is Java-based, the Java HTTPS provider
will do all that checking for you, and should be complaining about the
non-validity of the SSL certificate.

- -chris

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Re: Tomcat in-memory (session) cookie

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Makaira,

On 2/17/2009 5:38 PM, makaira nigricans wrote:
> So after my all my dilemmas
> JSESSIONID is simple cookie!

Yes, containing only the id of the HttpSession living on the server. You
can look at this cookie's contents by watching the HTTP traffic between
client and server using LiveHTTPHeaders (a Firefox add-on) or similar
add-on to another browser, or by using a TCP sniffer such as Wireshark.

> But I still do not know is this the cookie
> which exists only when browser is opened because I closed browser and run my
> cookie-printing servlet which printed this cookie again?!

I suspect that you had another browser window opened somewhere. If you
don't close all the browser windows, then the browser is still
considered to be running, and your cookie will continue to be sent.

> You said that through the HttpSession object I can access the cookies

This was an incorrect statement.

> and
> you said and that JSESSIONID attribute is handled by Tomcat but you said "It
> is enough to add the attribute(s) you will later use." Does this means that
> I can add more values to JSESSIONID cookie?!

Cookies can have only one value. The JSESSIONID cookie has the only
value it will ever need: the id of the session. Don't mess around with
the JSESSIONID cookie.

> If I can this is great, it solves my problem, I can check with my second
> servlet is JSESSIONID present and I can check does it contains my value and
> if it does I redirect, if it doesn't I inform user.

I think you need to be more clear about your requirements. Do you just
want to know if the user has visited your "second servlet" during their
session? If so, then you can simply store that fact as an attribute of
the session. Something like this:

session.setAttribute("did-visit-second-servlet", Boolean.TRUE);

You can check for this value like this:

if(Boolean.TRUE.equals(session.getAttribute("did-visit-second-servlet")))
{
   response.sendRedirect("http://www.google.com/";);
   return;
}

- -chris
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Re: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

2009-02-18 Thread Alan Chaney




I agree with Jorge - I run several Tomcats under VMware for both 
production and development.


However it is worth noting that if you use the appropriate vmware tools 
for your installation (vmware-guestd etc.) you get a significant 
performance boost on network accesses which may well be important for 
tomcat. (See vmxnet) YMMV.


Regards

Alan Chaney




Jorge Medina wrote:

There are no issues on running Tomcat in a VM. Tomcat is unaware of where it is 
running.

Performance depends on the host running your VM. If you compare a VM running application A on host H compared to application A running directly on host H, you will notice that running on the real server is faster. This is true for any application, not just Tomcat. 




-Original Message-
From: acacio costa [mailto:acaciofco...@yahoo.com.br] 
Sent: Wednesday, February 18, 2009 2:33 PM

To: users@tomcat.apache.org
Subject: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

Hi,
 
Does anyone use Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization?
 
i apreciate to know if you have issues and a tips to go on.
 
Other things to know, Performance comparative with a real server? as the same? better? 
What the parameters you perceive as better than other environment and what cause as you move Tom Cat to VM.
 
Thanks in advance,
 
Acacio Costa



  Veja quais são os assuntos do momento no Yahoo! +Buscados 
http://br.maisbuscados.yahoo.com

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!DSPAM:499c67d762582136417547!



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Re: Tomcat in-memory (session) cookie

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Jorge,

On 2/17/2009 3:57 PM, Jorge Medina wrote:
> My confusion came from the fact that through the HttpSession object,
> you can access the cookies with methods that names then Attributes
> (getAttribute/setAttribute). It was unclear -to me- that it is the same
> stuff as a "cookie". 

No, the JSESSIONID cookie contains only the session identifier. The
HttpSession object lives on the server (only) and contains any number of
attributes. These attributes are not related to the cookie in any way
other than the cookie identifies the HttpSession object which holds them.

HttpSessions can be tracked using techniques other than cookies. URL
rewriting is a second standard way to communicate session ids when
cookies are unavailable and/or unwanted.

- -chris

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Re: Tomcat vs deflate

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Morc,

On 2/17/2009 8:07 AM, Gabor 'Morc' KORMOS wrote:
>  So basically you say code it for yourself by modifying the HTTP connector?

Tomcat's existing gzip is implemented as an OutputFilter. You might want
to browse the source for that before you go messing around with the HTTP
connector. I'm not sure how the GzipOutputFilter hooks into the HTTP
response, though.

org/apache/coyote/http11/filters/GzipOutputFilter.java

- -chris
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Re: AJP13 Connector and JKOptions

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Pete,

On 2/18/2009 8:17 AM, Pete Helgren wrote:
> The pages display but none of the images display and several of the
> webapps links are broken.  So, something isn't quite right. It is almost
> as though the application links aren't relative to the correct root.

What do the URLs look like in the page itself?  Like in the  HTML elements. Is the URL is wrong, it's not going to work.

Also, if you are using Apache httpd to serve static content, URLs
containing the ";jsessionid=123456789" parameter aren't interpreted
correctly by Apache httpd and you should add "JkStripSession On" to your
configuration. This will allow Apache to properly serve static images
that include this jsessionid parameter.

- -chris
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RE: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

2009-02-18 Thread Jorge Medina


There are no issues on running Tomcat in a VM. Tomcat is unaware of where it is 
running.

Performance depends on the host running your VM. If you compare a VM running 
application A on host H compared to application A running directly on host H, 
you will notice that running on the real server is faster. This is true for any 
application, not just Tomcat. 



-Original Message-
From: acacio costa [mailto:acaciofco...@yahoo.com.br] 
Sent: Wednesday, February 18, 2009 2:33 PM
To: users@tomcat.apache.org
Subject: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

Hi,
 
Does anyone use Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization?
 
i apreciate to know if you have issues and a tips to go on.
 
Other things to know, Performance comparative with a real server? as the same? 
better? 
What the parameters you perceive as better than other environment and what 
cause as you move Tom Cat to VM.
 
Thanks in advance,
 
Acacio Costa


  Veja quais são os assuntos do momento no Yahoo! +Buscados 
http://br.maisbuscados.yahoo.com

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Re: Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

2009-02-18 Thread Hassan Schroeder

On Wed, Feb 18, 2009 at 11:32 AM, acacio costa
 wrote:

> Does anyone use Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization?

FYI, it's "Tomcat".

> i apreciate to know if you have issues and a tips to go on.

I've run Tomcat under VMware for testing purposes. No issues, it's
no different than running it on a different host.

FWIW,
-- 
Hassan Schroeder  hassan.schroe...@gmail.com

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Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization

2009-02-18 Thread acacio costa

Hi,
 
Does anyone use Apache Tom Cat in a VM as VMWARE or Red Hat Virtualization?
 
i apreciate to know if you have issues and a tips to go on.
 
Other things to know, Performance comparative with a real server? as the same? 
better? 
What the parameters you perceive as better than other environment and what 
cause as you move Tom Cat to VM.
 
Thanks in advance,
 
Acacio Costa


  Veja quais são os assuntos do momento no Yahoo! +Buscados
http://br.maisbuscados.yahoo.com

Re: HttpServletResponse.sendRedirect() not working?

-BEGIN PGP SIGNED MESSAGE-
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Brad,

On 2/17/2009 12:32 AM, Brad Whitaker wrote:
> try {
> 
> if(LOG.isDebugEnabled()) {
> LOG.debug("Executing redirect with response
> ["+response+"]");
> }
> String redirectUrl = response.encodeRedirectURL(actualUri);
> response.sendRedirect(redirectUrl);
> 
> } catch (IOException e) {
> throw new ControllerExecutionException("Error redirecting
> request for url ["+actualUri +"]: " + e.getMessage(),e);
> } catch (Exception ex) {
> LOG.error("redirectResponse: caught Exception=" + ex);
> throw new ControllerExecutionException("Error redirecting
> request for url [" + actualUri + "]: " + ex.getMessage(), ex);
> }
> return null;

This should totally work.

> I'm certain that the redirect is never sent to the browser. I've been using
> Firebug and HttpWatch to monitor each request and response. When I execute
> this code on Jetty I do see the redirect sent to the browser.

How do you know that no exceptions are being thrown?

> I took a look at the Error Handling sections of the Servlet spec and it
> wasn't clear to me if perhaps the redirect is not permitted after an
> exception has been thrown.

Exceptions are orthogonal to request/response processing. If you allow
the exception to propagate (that is, you don't catch it), then Tomcat
typically sends a 500 Server Error response to the client. There is no
requirement for exception handling in the servlet spec (other than those
implied by the API itself) and no reason a "regular" response can't be
given even in an exceptional condition.

- -chris
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Re: HttpServletResponse.sendRedirect() not working?

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Brad,

On 2/16/2009 8:55 PM, Brad Whitaker wrote:
> Is there a valid reason why this might occur, or is this likley a
> bug in Tomcat?

A bug is unlikely. I would guess that 100% of webapps out there use
redirects and they work perfectly fine.

> My code has thrown an exception prior to invoking the redirect but I can't
> find anything in the Servlet spec that would indicate this is a problem.

Er... if your code throws an exception then the sendRedirect call will
never occur because your method is done executing. Can you post some code?

> The
> HttpServletResponse.sendRedirect() is within a try/catch block and no
> exception is being thrown in response to sendRedirect().

The exception is probably happening before the sendRedirect. Are you
swallowing any exceptions (that is, catching them and ignoring them)?

> I
> have verified that sendRedirect() is being executed and not throwing an
> exception.

How have you verified that the sendRedirect is being executed?

> This same code is working as desired when executed on Jetty (i.e.
> the desired redirect is received by the browser) but when executed in Tomcat
> I see the default Tomcat error page displayed rather than the redirect.

Everything else is the same? All the libraries are at the same patch
level, etc.?

Are you seeing any errors in your Tomcat log files?

- -chris
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RE: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

2009-02-18 Thread Caldarale, Charles R

> From: Scott Carlson [mailto:scarl...@i2s.com]
> Subject: Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

> That was what I had originally, it has changed often due to
> conflicting advice on forums. I did change it back to test.

Leave it as is, without the package name.  The  must match... the 
URL pattern (what a coincidence).  If you're not using 
com.i2s.webMonster.server as part of the URL, it shouldn't be in the 
.  (Whatever forum advised including the package name is a forum 
to avoid.)

> 127.0.0.1 - - [18/Feb/2009:13:46:39 -0500] "POST
> /webMonster/MsgService HTTP/1.1" 500 2656 0.004 -

The above is the only one of interest in the access log.  As previously 
suggested, test with just this URL, using wget or equivalent, direct to Tomcat; 
eliminate the rest of the crap until the servlet is sorted.

> SEVERE: Allocate exception for servlet MsgService
> java.lang.ClassNotFoundException:
> com.i2s.webMonster.server.MsgServiceImpl

Perhaps you need to fix the above before doing anything else.

> I haven't seen that latter log until just now! Does this help?

In the word of Homer Simpson, Doh!

 - Chuck


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Record and simulate a web app

2009-02-18 Thread Youssef Mohammed

Sorry if this not directly related to tomcat itself. I have a swing app that
communicate with backend thru a web app deployed on tomcat. For testing
purposes, we want to be able to record some http responses and later on be
able to simulate the same response when it gets the same request ( aka
simulating the web sever).  All tools we could find only record requests and
simulate the client not the sever. Any help/hint is appreciated. thnx

Re: Tomcat Internal Buffering with Jython

-BEGIN PGP SIGNED MESSAGE-
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Prashant,

On 2/15/2009 11:56 AM, Prashant Golash wrote:
> Note:The python script is actually called using the PythonInterpreter class
> and all those Java and Jython integration techniques.

Why bother writing to a file at all, instead of reading from the servlet
input stream and writing to the servlet output stream?

- -chris

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Tribes

2009-02-18 Thread Jorge Medina

Is there a way to get more documentation on the Tribes package ?
I would like to reuse the dynamic membership discovery feature of
Tribes, but many of the links are not working on the page
http://tomcat.apache.org/tomcat-6.0-doc/tribes/introduction.html
 
Thanks
 
-Jorge

Re: Resource JDBC connection pooling USING LDAP

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Tim,

On 2/17/2009 10:46 AM, trames wrote:
> Thanks, that is exactly what I did.  
> 
> Since the documentation stated that it used apache (tomcat's version) dbcp
> and the BasicDataSourceFactory, I looked at the source for this class
> through SVN.  It fairly simply creates a BasicDataSource.  So that is what I
> did. I retrieved all the parameters from LDAP within my factory class.
> Worked out great.

Would you be willing to post your implementation into the Tomcat wiki?
This seems like something someone may either want to use directly
(unlikely IMO) or as a jumping-off point for developing their own
ResourceFactory.

- -chris

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Re: [OT] of the different methods to get a user-id

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Peter,

On 2/17/2009 5:08 AM, Peter Crowther wrote:
>> From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
>> IMHO, you either have control of your production environment
>> yourself (and can do whatever you want) or you have an ops team
>> with complete control of your production environment (and they
>> ought to be able to handle scary stuff like scheduling cron jobs
>> and running shell scripts) or you have no control whatsoever and
>> therefore do not have a production environment.
> 
> Chris, how would you handle the case of writing software for
> installation by third parties in environments over which you have no
> control?  Those third parties' environments are still "production
> environments", but you have no control over them.

I see that situation as a special case of "you have an OPS team". If
your customers want to control their boxes, they should know how to do
thing like schedule jobs.

Maintaining server software just isn't as simple as babysitting
something like Microsoft Office. Customers have to understand that.
Those customers who aren't qualified to maintain their installations of
your server software should start paying YOU to maintain them properly.
That's another revenue stream for you. Be happy!

- -chris
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Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems


Caldarale, Charles R wrote:

From: Scott Carlson [mailto:scarl...@i2s.com]
Subject: Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

The majority of the forums always bring up web.xml



Which is appropriate, since yours is incorrect.  Your URL pattern should be:

/MsgService

 - Chuck


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Hi Chuck --

That was what I had originally, it has changed often due to conflicting 
advice on forums. I did change it back to test.


I undeployed my app. changed web.xml to this

snip





  MsgService
  com.i2s.webMonster.server.MsgServiceImpl




  MsgService
  /MsgService




snip

And still no luck. Here are my logs.. These are fresh.


- access_log -
127.0.0.1 - scott [18/Feb/2009:13:46:14 -0500] "GET 
/manager/html/undeploy?path=/webMonster HTTP/1.1" 200 9595 0.048 -
127.0.0.1 - - [18/Feb/2009:13:46:14 -0500] "GET 
/manager/images/tomcat.gif HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:13:46:14 -0500] "GET 
/manager/images/asf-logo.gif HTTP/1.1" 304 - 0.003 -
127.0.0.1 - scott [18/Feb/2009:13:46:21 -0500] "POST 
/manager/html/upload HTTP/1.1" 200 10721 0.238 -
127.0.0.1 - - [18/Feb/2009:13:46:23 -0500] "GET /webMonster/ HTTP/1.1" 
404 988 0.001 -
127.0.0.1 - - [18/Feb/2009:13:46:39 -0500] "POST /webMonster/MsgService 
HTTP/1.1" 500 2656 0.004 -
127.0.0.1 - - [18/Feb/2009:13:46:44 -0500] "GET 
/webMonster/webMonster/MsgExample.html HTTP/1.1" 404 1066 0.003 -
127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET 
/webMonster/MsgExample.html HTTP/1.1" 200 1304 0.001 -
127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET 
/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 200 5694 
0.001 -
127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET 
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 200 
44221 0.000 -
127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET 
/webMonster/gwt/standard/standard.css HTTP/1.1" 200 28413 0.000 -
127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET 
/webMonster/MsgExample.css HTTP/1.1" 200 5943 0.001 -
127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET 
/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 200 1384 0.000 -
127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "POST /webMonster/MsgService 
HTTP/1.1" 404 1057 0.001 -


-- snip


--- catalina logs -
Feb 18, 2009 1:46:07 PM 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/java/packages/lib/i386:/lib:/usr/lib

Feb 18, 2009 1:46:07 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Feb 18, 2009 1:46:07 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 497 ms
Feb 18, 2009 1:46:07 PM org.apache.catalina.users.MemoryUserDatabase save
WARNING: User database is not persistable - no write permissions on 
directory

Feb 18, 2009 1:46:07 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Feb 18, 2009 1:46:07 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.18
Feb 18, 2009 1:46:08 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Feb 18, 2009 1:46:08 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Feb 18, 2009 1:46:08 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/33  config=null
Feb 18, 2009 1:46:08 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 553 ms
Feb 18, 2009 1:46:20 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive webMonster.war
- snip

 localhost tomcat logs -
Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: init: Associated with Deployer 
'Catalina:type=Deployer,host=localhost'

Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: init: Global resources are available
Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: undeploy: Undeploying web application at '/webMonster'
Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: list: Listing contexts for virtual host 'localhost'
Feb 18, 2009 1:46:21 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: list: Listing contexts for virtual host 'localhost'
Feb 18, 2009 1:46:39 PM org.apache.catalina.

Re: Apache/mod_jk serves random files from tomcat

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Yuval,

On 2/17/2009 1:48 PM, Yuval Perlov wrote:
> Is APR part of tomcat or apache [httpd]?

APR is the Apache Portable Runtime. Technically, it's its own beast and
is used by both httpd and Tomcat (optionally).

> If I am running on linux and have no
> .so files in my tomcat directory does that mean I have no APR installed?

The Tomcat directory isn't the only place .so files could be located.
Anywhere in the java.library.path is possible.

If you have an AprLifecycleListener configured in your server.xml, then
you are attempting to use APR. If you get a message in catalina.out on
startup that says something like "APR Configured" or "APR library not
found" then you have your answer.

> On a more positive note, we switched to proxy_http (after making the
> necessary code changes) and everything works now - no more mixed content.
> 
> Of course we lost a lot of necessary functionality:
> 1. request.isSecure() doesn't work

You can always use https :)

> 2. we don't know the server name we are hit with (since it is "hard
> coded" in httpd.conf)

This should be an option in mod_proxy. Is it not? ProxyPreserveHost?

> 3. we have no access to the source IP (for geo location)

Why not use mod_headers to convert the original IP address into an
X-Original-IP header. Better yet, use the X-Forwarded-For header that
should be set by default by mod_proxy.

> BTW - Am I the only one that is seriously worried that this kind of
> problem can even exist on a platform of this maturity?

Which problem? The "swapping-responses" problem or everything else
you've outlined about your inadequate configuration?

- -chris
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.9 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iEYEARECAAYFAkmcV0AACgkQ9CaO5/Lv0PBw4wCgtvTgf5Jy6z30u9Z3z/8M9ViN
stwAn1urDcjts1xtPvSMiSuL00jEMYPV
=/Ge+
-END PGP SIGNATURE-

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RE: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

2009-02-18 Thread Caldarale, Charles R

> From: Scott Carlson [mailto:scarl...@i2s.com]
> Subject: Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems
>
> The majority of the forums always bring up web.xml

Which is appropriate, since yours is incorrect.  Your URL pattern should be:

/MsgService

 - 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: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems


André Warnier wrote:

Hi.

Instead of POST-ing to the Apache server on port 80, what happens if 
you try to send your POST firectly to Tomcat, at http://localhost:8080 ?

Can you send a logfile of /Tomcat/ after you try that ?
Or better : stop Tomcat, remove your webapp, clean the Tomcat logs, 
restart Tomcat, re-deploy your webapp, then have a look at the Tomcat 
logs.
Thanks for the quick response.. I am not entirely sure how I would do 
that. I am using a generic GWT RPC implementation. Are you familiar? I 
should also mention that I can get to my application via Port 80 using 
mod-proxy. This seems to work fine, just no functioning servlet. The 
majority of the forums always bring up web.xml (I've attached in 
previous post)..


-SCarlson


I did some reading.. Here is a quote from another list.
http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/64c676ad67fabb6e

"GWT-RPC uses the browsers XMLHTTPRequest mechanism. As such, it is  
required to use the same protocol and port used to load your host page  
(to avoid running afoul of the Same Origin Policy).
So, if your host page is loaded via HTTP port 80 the RPC uses HTTP  
port 80 ... if you are in hosted mode (HTTP port ) then rpc uses  
HTTP port . If your host page was loaded via HTTPS port 443 then  
GWT-RPC uses HTTPS port 443. "


-SCarlson

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Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems


André Warnier wrote:

Hi.

Instead of POST-ing to the Apache server on port 80, what happens if 
you try to send your POST firectly to Tomcat, at http://localhost:8080 ?

Can you send a logfile of /Tomcat/ after you try that ?
Or better : stop Tomcat, remove your webapp, clean the Tomcat logs, 
restart Tomcat, re-deploy your webapp, then have a look at the Tomcat 
logs.




Thanks for the quick response.. I am not entirely sure how I would do 
that. I am using a generic GWT RPC implementation. Are you familiar? I 
should also mention that I can get to my application via Port 80 using 
mod-proxy. This seems to work fine, just no functioning servlet. The 
majority of the forums always bring up web.xml (I've attached in 
previous post)..


-SCarlson

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mod_jk pool/thread/configure questions

Hello,

I'm using apache 2.2.11 with tomcat 6.0.18 and mod_jk 1.2.27 on linux
2.6 x86_64.
I was using a prefork mpm in apache, but have now moved to the worker
mpm.
I have a question or two regarding mod_jk in light of this change.

1. I'm running with ThreadsPerChild at 25 and MaxClients at 500. So, I
understand this to mean my connection pool minimum size will be a total
of 13. (25+1/2). And then that this will be divided between my 4 tomcat
backends fairly equally. And as I look at my jkstatus page, I see the 13
for "Max busy", but for each backend it lists a "Max" of 3,4,5, and 5
respectively. My question is this.. for the min size of "13" why is it
labeled in jkstatus as "Max Busy" (and the distributed connection pool
for each worker under "Max"). If this is actually the connection MIN
size, isn't the label inaccurate?
If it is really the Max size instead of the Min size, does that mean
it's the Max per httpd process or across all processes? I would THINK
per process, since the ThreadsPerChild are per process. So, for my total
of 13 above, if I have 4 httpd processes running, is my pool total for
all backends 13*4 (52), or 13?
I was hoping that my max connections per backend were my (MaxClients -
number of thread in reserve for apache static)/number of tomcat
backends. So if I wanted 100 threads for apache static and had 4
backends, I'd have (500 - 100)/4 = 400/4 = 100 max pooled connections
per backend. Is this not a viable way to run things? My maxThreads in
the tomcat backends are set to 400.

2. In tomcat, It seems that my threads keep increasing, though they're
not used. I thought that the connectTimeout in tomcat and the
connect_timeout/ping_timeout in mod_jk would stop this by closing idle
threads, but it does not. Eventually the threads in tomcat with reach
the max of 400 and stay there until tomcat is restarted. Is there a way
to resolve this? And more importantly, should I resolve it? Is there any
major memory/CPU inplications to it keeping its  threads at the max?

3. What are the benfits to configuring mod_jk with --enable-EAPI and for
what circumstances should this be used?


Relevant configurations follow..
Thanx a lot.

APACHE:

ServerLimit 20
StartServers3
MaxClients  500
MinSpareThreads 50
MaxSpareThreads 125
ThreadsPerChild 25
MaxRequestsPerChild 20

JkWatchdogInterval 60
JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories

MOD_JK:
worker.template.port=8009
worker.template.type=ajp13
worker.template.lbfactor=1
worker.template.connection_pool_timeout=120
worker.template.reply_timeout=2
worker.template.socket_timeout=20
worker.template.socket_connect_timeout=5000
worker.template.ping_mode=A
worker.template.ping_timeout=25000
worker.loadbalancer.sticky_session=1
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=tr1,tr2,tr3,tr4

TOMCAT:


-Tony
---
Manager, IT Operations
Format Dynamics, Inc.
303-573-1800x27
abia...@formatdynamics.com
http://www.formatdynamics.com



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Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

2009-02-18 Thread André Warnier


Hi.

Instead of POST-ing to the Apache server on port 80, what happens if you 
try to send your POST firectly to Tomcat, at http://localhost:8080 ?

Can you send a logfile of /Tomcat/ after you try that ?
Or better : stop Tomcat, remove your webapp, clean the Tomcat logs, 
restart Tomcat, re-deploy your webapp, then have a look at the Tomcat logs.




scarlson wrote:


 Hello All --

I've been pouring over the mailing lists trying to solve my problem, which
seems like a popular one.

My servlet does not seem to be running.

I'm using Ubuntu 8.10 / Apache2 / Tomcat6 and Mod-Proxy

Both Apache and Tomcat are functional (Mod-proxy also works). I deploy my
war file and my client side code works. Just not the servlet. The servlet is
minimal, just returns a string. This of course, works fine in GWT Host Mode,
but not when I deploy to real server.

Here is some output from my access logs. The MsgService is the servlet.

- snip ---
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET /webMonster/MsgExample.html
HTTP/1.1" 304 - 0.002 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 304 - 0.005 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/gwt/standard/standard.css HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET /webMonster/MsgExample.css
HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "POST /webMonster/MsgService
HTTP/1.1" 404 1018 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET /webMonster/MsgExample.html
HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/gwt/standard/standard.css HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET /webMonster/MsgExample.css
HTTP/1.1" 304 - 0.002 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "POST /webMonster/MsgService
HTTP/1.1" 404 1018 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET /webMonster/MsgExample.html
HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/gwt/standard/standard.css HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET /webMonster/MsgExample.css
HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "POST /webMonster/MsgService
HTTP/1.1" 404 1018 0.001 -
-snip---



Here is my httpd.conf

---snip

ProxyTimeout 1
ProxyRequests Off
ProxyPreserveHost On

ProxyPass / http://localhost:8080/webMonster/
ProxyPassReverse / http://localhost:8080/webMonster/ 


http://localhost:8080/webMonster>
Order allow,deny 
Allow from all



--- snip


The only change I've made to server.xml is turning on access logs.

Attached are the source code and my WAR files.. I hope this is enough
information to offer.

It seems like I've tried most of the suggestions, regarding paths.. I am
obviously missing something?

Thanks in Advanced for your help!

-SCarlson


http://www.nabble.com/file/p22084028/webMonster-src.zip webMonster-src.zip 
http://www.nabble.com/file/p22084028/webMonster.war webMonster.war 




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Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

2009-02-18 Thread scarlson



 Hello All --

I've been pouring over the mailing lists trying to solve my problem, which
seems like a popular one.

My servlet does not seem to be running.

I'm using Ubuntu 8.10 / Apache2 / Tomcat6 and Mod-Proxy

Both Apache and Tomcat are functional (Mod-proxy also works). I deploy my
war file and my client side code works. Just not the servlet. The servlet is
minimal, just returns a string. This of course, works fine in GWT Host Mode,
but not when I deploy to real server.

Here is some output from my access logs. The MsgService is the servlet.

- snip ---
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET /webMonster/MsgExample.html
HTTP/1.1" 304 - 0.002 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 304 - 0.005 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/gwt/standard/standard.css HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET /webMonster/MsgExample.css
HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "GET
/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:52:58 -0500] "POST /webMonster/MsgService
HTTP/1.1" 404 1018 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET /webMonster/MsgExample.html
HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/gwt/standard/standard.css HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET /webMonster/MsgExample.css
HTTP/1.1" 304 - 0.002 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "GET
/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:18 -0500] "POST /webMonster/MsgService
HTTP/1.1" 404 1018 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET /webMonster/MsgExample.html
HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 304 -
0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/gwt/standard/standard.css HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET /webMonster/MsgExample.css
HTTP/1.1" 304 - 0.000 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "GET
/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 304 - 0.001 -
127.0.0.1 - - [18/Feb/2009:11:53:25 -0500] "POST /webMonster/MsgService
HTTP/1.1" 404 1018 0.001 -
-snip---



Here is my httpd.conf

---snip

ProxyTimeout 1
ProxyRequests Off
ProxyPreserveHost On

ProxyPass / http://localhost:8080/webMonster/
ProxyPassReverse / http://localhost:8080/webMonster/ 

http://localhost:8080/webMonster>
Order allow,deny 
Allow from all


--- snip


The only change I've made to server.xml is turning on access logs.

Attached are the source code and my WAR files.. I hope this is enough
information to offer.

It seems like I've tried most of the suggestions, regarding paths.. I am
obviously missing something?

Thanks in Advanced for your help!

-SCarlson


http://www.nabble.com/file/p22084028/webMonster-src.zip webMonster-src.zip 
http://www.nabble.com/file/p22084028/webMonster.war webMonster.war 

-- 
View this message in context: 
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Sent from the Tomcat - User mailing list archive at Nabble.com.


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Re: Multiple tomcat processes

2009-02-18 Thread André Warnier


Mark Thomas wrote:

gunnar.bost...@tieto.com wrote:

So the questions are: why does Tomcat (or jsvc) start new processes

To execute your perl scripts.

 and

how can I prevent it?

Don't use perl.


Better, keep using perl, but not under Tomcat.
Configure an Apache httpd front-end and run you perl processes there, 
preferably with mod_perl.  You will probably gain a factor 100 or so of 
performance for your perl processes, and free Tomcat for what it's good 
at, which is to run Java applications.


If you need help to do that, I can provide some, but not on the Tomcat 
forum.  Send me a message directly.
Or subscribe to the mod_perl list, at 
http://perl.apache.org/maillist/modperl.html#Subscription_Information



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Re: AJP13 Connector and JKOptions

2009-02-18 Thread André Warnier


János Löbb wrote:


On Feb 18, 2009, at 8:17 AM, Pete Helgren wrote:

Still struggling with this so I am reposting.  I can't seem to find a 
configuration that allows the images and links to properly display.  
Info from prior posts:


I have a Tomcat application that serves up a web app when I use

a URL like this:

http://www.mywebsite.com:8080/MyAPP  Which I wanted to change to this:

http://www.mywebsite.com/MyAPP

Using Apache I added the worker.properties file and the following 
directives to an existing Apache server that has been serving several 
sites.


#Tomcat Settings

# Mount the worker containing MyAPP
JKMount /MyAPP myappw


How about:

JkMount /MyApp* myappw

??

Or use the following at the Apache level :


  SetHandler jakarta-servlet


See here for details (also on JkMount above) : 
http://tomcat.apache.org/connectors-doc/reference/apache.html

Scroll down to "Using SetHandler and Environment Variables"



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Re: Tomcat 4 can't find import files.

2009-02-18 Thread Richard Yanicky

>
> I have downloaded and installed the tar files for Commons fileupload. I am
> running on SUSE10 and have the following structure:
>
> Using CATALINA_BASE:   /homes/yanicrk/tomcat
> Using CATALINA_HOME:   /opt/tomcat
> Using CATALINA_TMPDIR: /homes/yanicrk/tomcat/temp
> Using CATALINA_OUT:/homes/yanicrk/tomcat/logs/catalina.out
> Using JAVA_HOME:   /homes/yanicrk/jdk1.6.0_11
>
> The jar files are in /homes/yanicrk/tomcat/shared/lib
>
> yani...@lrpa7019tv:~/tomcat/shared/lib> ls
> catalina-ant.jar  commons-fileupload-1.2.1.jar
>  commons-io-1.3.jar mx4j.jar  servlets-default.jar
>servlets-webdav.jar  tomcat-jk2.jar
> catalina.jar  commons-fileupload-1.2.1-javadoc.jar
>  commons-logging-1.1.1.jar  mx4j.license  servlets-invoker.jar
>tomcat4-coyote.jar   tomcat-jk.jar
> commons-beanutils.jar commons-fileupload-1.2.1-sources.jar
>  commons-modeler-2.0.1.jar  servlets-cgi.renametojar  servlets-manager.jar
>tomcat-coyote.jartomcat-util.jar
> commons-digester-1.8.jar  commons-fileupload-1.2.jar
>  jakarta-regexp-1.5.jar servlets-common.jar
> servlets-ssi.renametojar  tomcat-http11.jar
>
> When I run the html and jsp that should upload with the following line for
> import
>
> <%@ page import="org.apache.commons.fileupload.*,
> org.apache.commons.fileupload.servlet.ServletFileUpload,
> org.apache.commons.fileupload.disk.DiskFileItemFactory,
> org.apache.commons.io.FilenameUtils, java.util.*, java.io.File,
> java.lang.Exception" %>
>
>
> I receive the error messages:
>
>
> org.apache.jasper.JasperException: Unable to compile class for JSP
>
> An error occurred at line: 16 in the jsp file: /file_upload.jsp
>
> Generated servlet error:
> [javac] Compiling 1 source file
>
> /homes/yanicrk/tomcat/work/Standalone/localhost/_/file_upload_jsp.java:7:
> package org.apache.commons.fileupload does not exist
> import org.apache.commons.fileupload.*;
> ^
> /homes/yanicrk/tomcat/work/Standalone/localhost/_/file_upload_jsp.java:8:
> package org.apache.commons.fileupload.servlet does not exist
> import org.apache.commons.fileupload.servlet.ServletFileUpload;
> ^
> /homes/yanicrk/tomcat/work/Standalone/localhost/_/file_upload_jsp.java:9:
> package org.apache.commons.fileupload.disk does not exist
> import org.apache.commons.fileupload.disk.DiskFileItemFactory;
>  ^
> /homes/yanicrk/tomcat/work/Standalone/localhost/_/file_upload_jsp.java:10:
> package org.apache.commons.io does not exist
> import org.apache.commons.io.FilenameUtils;
>

Re: Multiple tomcat processes

gunnar.bost...@tieto.com wrote:
> So the questions are: why does Tomcat (or jsvc) start new processes
To execute your perl scripts.

 and
> how can I prevent it?
Don't use perl.

Mark



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Multiple tomcat processes

2009-02-18 Thread Gunnar.Bostrom

Hi,
We are running Tomcat 5.5.25 on a Solaris 10 server. 
We use jsvc to start Tomcat on port 443.
When starting I can see as expected 2 process one owned by root and one
owned by tomcat.

In production I can see multiple tomcat processes, one owned by root and
the others owned by tomcat.
By looking at parent id's I can see that root only has created one
tomcat process and this process has created the others. 
Most of the web pages use JSP but some use old perl programs.
After a while we get java.io.IOException: Not enough space when trying
to run a perl program.

Not this is not light weight processes I'm talking about!

I thought that Tomcat 5.5 should not start any new processes and just
use threads (or light weight processes)!

So the questions are: why does Tomcat (or jsvc) start new processes and
how can I prevent it?

Thanks
Gunnar

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Re: AJP13 Connector and JKOptions

2009-02-18 Thread János Löbb



On Feb 18, 2009, at 8:17 AM, Pete Helgren wrote:

Still struggling with this so I am reposting.  I can't seem to find  
a configuration that allows the images and links to properly  
display.  Info from prior posts:


I have a Tomcat application that serves up a web app when I use

a URL like this:

http://www.mywebsite.com:8080/MyAPP  Which I wanted to change to this:

http://www.mywebsite.com/MyAPP

Using Apache I added the worker.properties file and the following  
directives to an existing Apache server that has been serving  
several sites.


#Tomcat Settings

# Mount the worker containing MyAPP
JKMount /MyAPP myappw


How about:

JkMount /MyApp* myappw

??

János



# Globally deny access to the WEB-INF directory

   AllowOverride None
   deny from all


The pages display but none of the images display and several of the  
webapps links are broken.  So, something isn't quite right. It is  
almost as though the application links aren't relative to the  
correct root.


I read through the JKOptions for Apache but can't tell if I need to  
add one or more options to allow the links to correctly display.


The reason for the use of Apache is that there are several web sites  
currently hosted on this server (PHP and static sites)  served by  
Apache so it seemed logical to use Tomcat with an Apache front end  
to serve the Java Servlet.  Any suggestions would be greatly  
appreciated.


Apache/2.2.11 (Win32) DAV/2 mod_jk/1.2.27 mod_ssl/2.2.11 OpenSSL/ 
0.9.8i  Tomcat 5.5.27


Anyone seen this before? Any suggestions?


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Re: mod_jk

2009-02-18 Thread János Löbb



On Feb 17, 2009, at 7:40 PM, Mohit Anchlia wrote:


Is there a way to verify if mod_jk is load balancing properly among
given live servers

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You can also look:

http://Your.server.com/jkmanager

János
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Re: tomcat5.5.23 and localization

2009-02-18 Thread Uwe Hostmann


Tx.

Peter Crowther wrote:

From: Uwe Hostmann [mailto:uwe.hostm...@alcatel-lucent.de]
Only if you can answer quickly: can you conclude from the following
snippets who (apache or tomcat) is responsible for the static file
.../scripting/manual/start.html.en?:


[...]


#JkMount /*.jsp ajp13
JkMount /servlet/* ajp13
JkMount /scripting/servlet/* ajp13



Tomcat handles /servlet and /scripting/servlet.  Therefore httpd serves files 
under /scripting/manual.

- Peter

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--
Uwe Hostmann
TietoEnator
R&D Central Europe, NSM
Colditzstrasse 34-36
D 12099 Berlin, Germany

Phone +49 (0)30 7002-3926
Fax +49 (0)30 7002-4780
Email uwe.hostm...@alcatel-lucent.de
http://www.tietoenator.com

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RE: tomcat5.5.23 and localization

2009-02-18 Thread Peter Crowther

> From: Uwe Hostmann [mailto:uwe.hostm...@alcatel-lucent.de]
> Only if you can answer quickly: can you conclude from the following
> snippets who (apache or tomcat) is responsible for the static file
> .../scripting/manual/start.html.en?:
[...]
> #JkMount /*.jsp ajp13
> JkMount /servlet/* ajp13
> JkMount /scripting/servlet/* ajp13

Tomcat handles /servlet and /scripting/servlet.  Therefore httpd serves files 
under /scripting/manual.

- Peter

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Re: tomcat5.5.23 and localization

2009-02-18 Thread Uwe Hostmann



Hi Mark,

Mark Thomas wrote:

Uwe Hostmann wrote:


Hi,

in former tomcat versions (under different OS) static page
"/start.html.en"



That has not been the case for as long as I can remember. Are you
thinking of httpd?



tx. for the question:

we use apache between client and tomcat. I changed from mod_jk to 
mod_proxy_ajp and, thereby, the httpd directives. I'm not sure now


- whether static files were in the preceding version handled by
  either tomcat or apache although below docBase of tomcat
- what is the situation now.

Only if you can answer quickly: can you conclude from the following 
snippets who (apache or tomcat) is responsible for the static file 
.../scripting/manual/start.html.en?:




from server.xml (both cases):

  appBase="/ScriptingServer/webapps"

   unpackWARs="true" autoDeploy="true"
   workDir="/var/ScriptingServer/work"
   xmlValidation="false" xmlNamespaceAware="false">
className="org.apache.catalina.authenticator.SingleSignOn" />
docBase="/ScriptingServer/webapps/scripting" 
allowLinking="true" debug="0" reloadable="true"

 workDir="/var/ScriptingServer/work">


#

from httpd.conf (preceding):

Alias /scripting "/ScriptingServer/webapps/scripting"

/ScriptingServer/webapps/scripting">
Options Indexes FollowSymLinks MultiViews
AddLanguage en .en
AddLanguage de .de


#JkMount /*.jsp ajp13
JkMount /servlet/* ajp13
JkMount /scripting/servlet/* ajp13

#

from httpd.conf (now):

Alias /scripting "/ScriptingServer/webapps/scripting"

/ScriptingServer/webapps/scripting">
Options Indexes FollowSymLinks MultiViews
AddLanguage en .en
AddLanguage de .de


  ProxyPass /servlet ajp://localhost:/servlet
  ProxyPassReverse /servlet 
ajp://localhost:/servlet
  ProxyPass /scripting 
ajp://localhost:/scripting
  ProxyPassReverse /scripting 
ajp://localhost:/scripting
  ProxyPass /scripting/servlet 
ajp://localhost:/scripting/servlet
  ProxyPassReverse /scripting/servlet 
ajp://localhost:

##

In each case, thanks for your suggestive question.

Best regards   Ho.




Mark

 was found under appropriate locale conditions


for URL ".../start.html" . Now, I get that the requested resource is not
available (link from start.html.en to start.html works fine) although I
tried, e.g., different browser language settings (en/en_US) and played
around with export LANG=en_US.iso88591 when starting tomcat. Formerly
the language suffixes were an easy method to distinguish language
dependent static html files, gif's etc.
I'm looking for a tutorial how to handle localization aspects under
tomcat but found only a tomcat3 note where locale dependency handling
was described (in a way a bit different from the above suffix usage but
very similar: but this didn't help either with tomcat5.5.23.

Tx. Rgds.   Ho.






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--
Uwe Hostmann
TietoEnator
R&D Central Europe, NSM
Colditzstrasse 34-36
D 12099 Berlin, Germany

Phone +49 (0)30 7002-3926
Fax +49 (0)30 7002-4780
Email uwe.hostm...@alcatel-lucent.de
http://www.tietoenator.com

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AJP13 Connector and JKOptions

2009-02-18 Thread Pete Helgren

Still struggling with this so I am reposting.  I can't seem to find a 
configuration that allows the images and links to properly display.  
Info from prior posts:


I have a Tomcat application that serves up a web app when I use

a URL like this:

http://www.mywebsite.com:8080/MyAPP  Which I wanted to change to this:

http://www.mywebsite.com/MyAPP

Using Apache I added the worker.properties file and the following 
directives to an existing Apache server that has been serving several 
sites.


#Tomcat Settings

# Mount the worker containing MyAPP
JKMount /MyAPP myappw

# Globally deny access to the WEB-INF directory

AllowOverride None
deny from all


The pages display but none of the images display and several of the 
webapps links are broken.  So, something isn't quite right. It is almost 
as though the application links aren't relative to the correct root.


I read through the JKOptions for Apache but can't tell if I need to add 
one or more options to allow the links to correctly display.


The reason for the use of Apache is that there are several web sites 
currently hosted on this server (PHP and static sites)  served by Apache 
so it seemed logical to use Tomcat with an Apache front end to serve the 
Java Servlet.  Any suggestions would be greatly appreciated.


Apache/2.2.11 (Win32) DAV/2 mod_jk/1.2.27 mod_ssl/2.2.11 OpenSSL/0.9.8i  
Tomcat 5.5.27


Anyone seen this before? Any suggestions?


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Problems with Tomcat behind a Proxy server

2009-02-18 Thread Fabio da Silva Junior

Hello people from the list.

 

I work in a University and have a server running Tomcat 6 with many
applications on it. Here in the University, we connect to external
addresses trough a proxy server, with many restrictions. Some protocols
are blocked, but the HTTP and HTTPS are allowed. One of my applications
has to connect to an external web server to request some WCS and WMS
information. 

But I can't make the application retrieve this information because the
proxy always returns a 407 (authentication required) error. I have
configured Tomcat to connect to the proxy by adding http.proxyHost and
http.proxyPort in catalina.properties. I put the option setProxy=true on
the Catalina.properties too. The same problem occurred, because an
authentication is obligatory.  So I used the http.proxyUser and
http.proxyPassword directive to solve the issue, but the error still
happens. 

 

Is there any other configuration that I have forgotten or missed? 

 

Plz. help me. 

 

[]s

Re: Using custom Charset's through CharsetProvider SPI in webapps not working

Joonas Koivunen wrote:
> I guess the System's ClassLoader cannot see the webapp's libraries at
> all?
Correct.

> Or is this a fault in Tomcat's webapp -classloader, not exposing
> SPI meta information?
Unlikely.

> Is it impossible to have webapps that benefit from SPIs and custom
> charset-implementations?
It will depend on how the extension is loaded. In the case of Charset,
it looks like it isn't going to work.

Mark



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Re: Tomcat IO exception on startup

paul.ocklef...@nhs.net wrote:
> I added this as I need to add support for jstl to my web app. I have also
> noticed that now tomcat also seems to be using some cached version of
> classes, even if I remove a class file and restart tomcat it is still using
> a constant defined in an older version of a class.

If you are restarting Tomcat, rather than just your webapp, then you
aren't updating the class correctly.

> Can anybody help? I have removed the file SESSIONS.ser that is getting
> created but this doesn't make any difference.

Given the exception, you haven't deleted the right SESSIONS.ser file.

Mark



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Re: tomcat5.5.23 and localization