Re: Mod_jk working for failover
my setup: # Define list of workers that will be used for mapping requests worker.list=loadbalancer43,status # Definicion de plantilla worker.template43.port=8009 worker.template43.type=ajp13 worker.template43.lbfactor=1 worker.template43.ping_timeout=1000 worker.template43.socket_timeout=10 worker.template43.ping_mode=A worker.template43.connection_pool_timeout=600 # NODO 43 m1g1 worker.43m1g1.reference=worker.template43 worker.43m1g1.host=xx.xx.xx.xx # NODO 43 m2g1 worker.43m2g1.reference=worker.template43 worker.43m2g1.host=xx.xx.xx.xx # Balanceador correspodiente a todos los grupos worker.loadbalancer43.type=lb worker.loadbalancer43.balance_workers=43m1g1,43m2g1 worker.loadbalancer43.sticky_session=1 Now is balancing between 4 instances, but I need to work against 43m1g1 node. If 43m1g1 node fails, then petitions will be redirects to 43m2g1 node. Thank you 2011/6/7 Christopher Schultz > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Manuel. > > On 6/7/2011 12:38 PM, Manuel Fernández Panzuela wrote: > > I want to work with mod_jk in failover mode. I do not want to balancing > > petitions until the node 1 is unavailable. If principal node (node 1) is > > down, then petitions will be redirected to node 2. > > > > How I can do it? > > What have you tried so far? > > - -chris > -BEGIN PGP SIGNATURE- > Version: GnuPG v1.4.10 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk3uaLUACgkQ9CaO5/Lv0PD6TACcC6239gZILU+6OGpT/xsh9F0I > 6osAmgLvY4GYifndETBYP3z5JbznRYal > =Jp0Z > -END PGP SIGNATURE- > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
Re: Query regarding an issue been faced in TOMCAT
Bill Miller wrote: It's also possible that there were no more iNodes available for that directory. It will give false "volume full" type of errors when it's actually just too many files/folders within a directory. (This used to happen a LOT in the ancient DOS days in the root directory... max file count=255!!) You mean Devonian Operating System, right ? - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: cluster - does not implement StandardManager
Hi Christopher, The problem was in the context.xml under the web app, where the manager was commented out. Thanks Marcel Christopher Schultz-2 wrote: > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Marcel, > > On 6/6/2011 4:38 PM, Marcel dit le Belge wrote: >> I try to implement a cluster (tomcat 7, 2 instances) but I get some >> problem. > > Which exact version of Tomcat 7? > >> When I start tomcat, I get this debug : >> >> I don't have specific context.xml under the application. > > Why not? > >> Manager [ org.apache.catalina.session.StandardManager[/myapp]] does >> not implement ClusterManager, addition to cluster has been aborted. > > Can you post your entire startup log? > > What happens if you *do* have a context.xml bundled with your webapp > under META-INF/context.xml. You can just put "" in there and > nothing else. > > - -chris > -BEGIN PGP SIGNATURE- > Version: GnuPG v1.4.10 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk3ufq8ACgkQ9CaO5/Lv0PAhrgCgk1VPB7WgpiKstY1Qzj2qTRZ3 > /D0AoKSRgYPbRkqPKf+cfctaWCRQxAiH > =PAPZ > -END PGP SIGNATURE- > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > > -- View this message in context: http://old.nabble.com/cluster---does-not-implement-StandardManager-tp31786913p31796498.html Sent from the Tomcat - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: Query regarding an issue been faced in TOMCAT
It's also possible that there were no more iNodes available for that directory. It will give false "volume full" type of errors when it's actually just too many files/folders within a directory. (This used to happen a LOT in the ancient DOS days in the root directory... max file count=255!!) Bill -Original Message- From: Christopher Schultz [mailto:ch...@christopherschultz.net] Sent: June 7, 2011 3:48 PM To: Tomcat Users List Subject: Re: Query regarding an issue been faced in TOMCAT -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Srilalitha, On 6/7/2011 4:54 AM, Srilalitha Bijumalla wrote: > This issue got solved when we deleted some folders from a directory > which was mapped to tomcat in conf. So, you *did* run out of disk space. > But we are still not able to analyse why this issue has occurred, > Disk space was available and permissions were also provided and > tomcat was not started from backup directory > > Need to find how the folders linked in conf could create a low disk > space error It would happen if you had the following situation: $ mount ext4fs on / type ext4fs (rw) ext4fs on /global/backup (rw) ext4fs on /global/backup/tomcat-5.5.23 (rw) $ df -h Filesystem Size Used Avail Use% Mounted on ext4fs50G20G30G 40% / ext4fs50G20G30G 40% /global/backup ext4fs50G50G50G 100% /global/backup/tomcat-5.5.23 Check all your filesystem mappings. Something tells me the computer is right, here. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk3ugHAACgkQ9CaO5/Lv0PA4tACgwuqYa2RLqBnlszoZmqkUiWBc KU0Anj6yIfynq5hNoyFnP7wbOcHtYJHs =KbGd -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: async requests on cluster
OK, thanks for the info! -S On 6/7/2011 5:34 PM, Mark Thomas wrote: On 07/06/2011 21:46, Seth Lenzi wrote: The isAsyncSupported() method of the SerlvletRequest object returns false when you uncomment the element in the server.xml file (Tomcat 7.0.14). Basically, enabling clustering seems to break support for asynchronous servlets... Is there something else that needs to be done to enable async requests to work on a cluster? That would be a bug. Looking at it now, the fix should make it into the next 7.0.x release (7.0.16). I'll be starting on that release once this issue is fixed. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: async requests on cluster
On 07/06/2011 21:46, Seth Lenzi wrote: > The isAsyncSupported() method of the SerlvletRequest object returns > false when you uncomment the className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/> element in the > server.xml file (Tomcat 7.0.14). Basically, enabling clustering seems to > break support for asynchronous servlets... Is there something else that > needs to be done to enable async requests to work on a cluster? That would be a bug. Looking at it now, the fix should make it into the next 7.0.x release (7.0.16). I'll be starting on that release once this issue is fixed. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
async requests on cluster
The isAsyncSupported() method of the SerlvletRequest object returns false when you uncomment the className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/> element in the server.xml file (Tomcat 7.0.14). Basically, enabling clustering seems to break support for asynchronous servlets... Is there something else that needs to be done to enable async requests to work on a cluster? -S - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: specifying the content-type
Christopher Schultz wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Bernd,
On 6/7/2011 2:23 PM, Lentes, Bernd wrote:
Christopher Schultz wrote:
How did you do it? If you use , it should override any Content-Type
sent in the HTTP response headers
Yes, we used this. But
http://de.selfhtml.org/html/kopfdaten/meta.htm#zeichenkodierung (unfortunally
only in german) says
"Im Konfliktfall, also wenn der Webserver im HTTP-Header eine hiervon abweichende Angabe
sendet, wird üblicherweise die Angabe des HTTP-Headers verwendet.", which means that, if you
have the META in the HTML-file and also the content-type in the HTTP-Header, mostly the HTTP-Header
"wins".
You're right. I had it wrong: the HTTP header overrides the content of
the document.
Well, it /should/. According to the HTTP RFC.
However, many IE versions (which unfortunately is still the most-widely used browser in
corporate environments) don't give a damn about the Content-type sent by the server, if it
conflicts with their own sniffing of the content.
http://lmgtfy.com?q=ie+and+content-type
Our developers try now to use the
response.setContentType("text/html"); method to configure the
content-type in the HTTP-Header.
This is the proper way to do things. Using does not hurt.
.. at least if both are consistent.
Meanwhile, and as long as your developers are fixing this, you may want to suggest to them
that they also add a character set indication to the Content-type, like :
Content-type: text/html;charset=UTF-8
using for example : response.setContentType("text/html; charset=UTF-8");
(if of course the pages you do send back are encoded using that character
set/encoding).
And also add it to your tag, like so :
That will save you other problems down the line, if any of these pages can also submit any
data back to the server, like in
So to maximise your chances of everything working correctly in a country where not
everyone speaks only English, the following elements should agree :
- the type (text/html) and charset indicated by the server in the Content-type
header
- the type and charset indicated in the tag in the page itself
- the way the page itself was created on the server (with a UTF-8 aware editor, and saved
as UTF-8 without BOM)
In addition, if the page contains a tag, make sure it has the following
attribute :
The reason for all the above is that HTTP and HTML for historical reasons tend to default
to ISO-8859-1 as a character set, while everything to do with Java (like Tomcat) tends to
default to Unicode/UTF-8. And by not being very precise and consistent, you always run
the risk of mixing them up, which for languages like German leads to very difficult to
debug data corruption problems, the least of which is losanges with "?" in them in your
pages, instead of umlauts.
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Re: Query regarding an issue been faced in TOMCAT
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Srilalitha, On 6/7/2011 4:54 AM, Srilalitha Bijumalla wrote: > This issue got solved when we deleted some folders from a directory > which was mapped to tomcat in conf. So, you *did* run out of disk space. > But we are still not able to analyse why this issue has occurred, > Disk space was available and permissions were also provided and > tomcat was not started from backup directory > > Need to find how the folders linked in conf could create a low disk > space error It would happen if you had the following situation: $ mount ext4fs on / type ext4fs (rw) ext4fs on /global/backup (rw) ext4fs on /global/backup/tomcat-5.5.23 (rw) $ df -h Filesystem Size Used Avail Use% Mounted on ext4fs50G20G30G 40% / ext4fs50G20G30G 40% /global/backup ext4fs50G50G50G 100% /global/backup/tomcat-5.5.23 Check all your filesystem mappings. Something tells me the computer is right, here. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk3ugHAACgkQ9CaO5/Lv0PA4tACgwuqYa2RLqBnlszoZmqkUiWBc KU0Anj6yIfynq5hNoyFnP7wbOcHtYJHs =KbGd -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Query regarding an issue been faced in TOMCAT
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Mikolaj, On 6/3/2011 8:33 AM, Mikolaj Rydzewski wrote: > On Fri, 3 Jun 2011 17:58:06 +0530, Srilalitha Bijumalla wrote: > >> java.io.FileNotFoundException: >> /global/backup/apache-tomcat-5.5.23/logs/catalina.2011-05-31.log (No >> space left on device) > > Either there's no space left or there are insufficient permissions. > Maybe tomcat is unable to create logfile, but incorrectly recognizes it > as a no space left error. It could also be a filesystem quota problem. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk3uf3EACgkQ9CaO5/Lv0PDYfgCfcqNwRPZxi1JBUmKpcgp//o92 QLgAoMNu/RxwuhJVnU0pyirXo5Lw8UCK =u9PP -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Application crash after Migrate to different ESX
Excellent. thanks a lot for all of your help :) 2011/6/7 Christopher Schultz > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > הילה, > > On 6/6/2011 4:35 PM, הילה wrote: > > I use Tomcat's JDBC pool (tomcat-jdbc.jar) > > Okay. > > > sorry, I haven't quite understood why shouldn't I use the > > ValidationInterval="3" (30 seconds) string on my configuration.. > > On tomcat's documentation, it says that testonborrow=true and > > validationQuery=SELECT 1 were part of the DBCP , and the > > ValidationInterval=3 is introduced in the Tomcat's JDBC pool. > > DBCP implements a different kind of connection validation by running a > background thread. tomcat-pool has different semantics that do not > launch a background thread. > > Feel free to use validationInterval set to whatever value you'd like. > > - -chris > -BEGIN PGP SIGNATURE- > Version: GnuPG v1.4.10 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEUEARECAAYFAk3ufjUACgkQ9CaO5/Lv0PBwTACYvwblavTu/2YARBtPr/ILogXo > NgCeIyhyJMD1TF8yUjUoHGlzW0WhZN8= > =oqS5 > -END PGP SIGNATURE- > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
Re: cluster - does not implement StandardManager
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Marcel, On 6/6/2011 4:38 PM, Marcel dit le Belge wrote: > I try to implement a cluster (tomcat 7, 2 instances) but I get some problem. Which exact version of Tomcat 7? > When I start tomcat, I get this debug : > > I don't have specific context.xml under the application. Why not? > Manager [ org.apache.catalina.session.StandardManager[/myapp]] does > not implement ClusterManager, addition to cluster has been aborted. Can you post your entire startup log? What happens if you *do* have a context.xml bundled with your webapp under META-INF/context.xml. You can just put "" in there and nothing else. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk3ufq8ACgkQ9CaO5/Lv0PAhrgCgk1VPB7WgpiKstY1Qzj2qTRZ3 /D0AoKSRgYPbRkqPKf+cfctaWCRQxAiH =PAPZ -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Application crash after Migrate to different ESX
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 הילה, On 6/6/2011 4:35 PM, הילה wrote: > I use Tomcat's JDBC pool (tomcat-jdbc.jar) Okay. > sorry, I haven't quite understood why shouldn't I use the > ValidationInterval="3" (30 seconds) string on my configuration.. > On tomcat's documentation, it says that testonborrow=true and > validationQuery=SELECT 1 were part of the DBCP , and the > ValidationInterval=3 is introduced in the Tomcat's JDBC pool. DBCP implements a different kind of connection validation by running a background thread. tomcat-pool has different semantics that do not launch a background thread. Feel free to use validationInterval set to whatever value you'd like. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEUEARECAAYFAk3ufjUACgkQ9CaO5/Lv0PBwTACYvwblavTu/2YARBtPr/ILogXo NgCeIyhyJMD1TF8yUjUoHGlzW0WhZN8= =oqS5 -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: error-page for http 500 error code does not work
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Kevin, On 6/7/2011 8:56 AM, Kevin Claver wrote: > Through further investigation, I now believe the JSF framework I'm > using is absorbing the error, and the framework's error page is what > is throwing the 500 error. I wonder if the 500 error thrown by the > framework's error page should fall through to the custom error page > servlet I've created? As I said, if the error page suffers an error, you can't really show the error page. > The JSF framework is the Sun Visual Web Pack that is no longer > supported on the Oracle Netbeans IDE. I posted on the forum for > Netbeans in the hopes that someone can tell me how to disable the > default exception handler for the Visual Web Pack. Post back whatever you find. I'm sure it will help someone in the future (who bothers to search the archives before posting). - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk3ufJsACgkQ9CaO5/Lv0PCeZwCfTYuzJj9EoW8HZTy5e1/vu6Es OS8AoJxhF6MaCWg70S8fwiX1n0y+3XaI =8D34 -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: specifying the content-type
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Bernd,
On 6/7/2011 2:23 PM, Lentes, Bernd wrote:
> Christopher Schultz wrote:
>>
>> How did you do it? If you use > CONTENT="text/html" />, it should override any Content-Type
>> sent in the HTTP response headers
>
> Yes, we used this. But
> http://de.selfhtml.org/html/kopfdaten/meta.htm#zeichenkodierung (unfortunally
> only in german) says
> "Im Konfliktfall, also wenn der Webserver im HTTP-Header eine hiervon
> abweichende Angabe sendet, wird üblicherweise die Angabe des HTTP-Headers
> verwendet.", which means that, if you have the META in the HTML-file and also
> the content-type in the HTTP-Header, mostly the HTTP-Header "wins".
You're right. I had it wrong: the HTTP header overrides the content of
the document.
>>> Our developers try now to use the
>>> response.setContentType("text/html"); method to configure the
>>> content-type in the HTTP-Header.
>>
>> This is the proper way to do things. Using does not hurt.
>>
>> So... did it work?
>>
>
> Using the META didn't work, the other way they'll try in the next days. I
> will inform you.
If you want to be lazy with your code, you could use a Filter to set the
Content-Type of all responses to text/html before the servlet gets a
chance to set anything. If the servlet overrides it, everything is okay.
If not, the Content-Type remains set to text/html.
It's basically the same as using DefaultType in httpd but would require
you to do more work. :(
>
- -chris
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AuIAn0Qx5Kse+nHp0jqv8rVJcCkdkdPE
=27hs
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RE: specifying the content-type
Christopher Schultz wrote:
>
> Lentes,
>
> On 6/7/2011 11:36 AM, Lentes, Bernd wrote:
> > first we tried to set the content-type in the ...
> > section in the html file. That didn't work.
>
> How did you do it? If you use CONTENT="text/html" />, it should override any Content-Type
> sent in the HTTP response headers
Yes, we used this. But
http://de.selfhtml.org/html/kopfdaten/meta.htm#zeichenkodierung (unfortunally
only in german) says
"Im Konfliktfall, also wenn der Webserver im HTTP-Header eine hiervon
abweichende Angabe sendet, wird üblicherweise die Angabe des HTTP-Headers
verwendet.", which means that, if you have the META in the HTML-file and also
the content-type in the HTTP-Header, mostly the HTTP-Header "wins".
>
> > Our developers try now to use the
> > response.setContentType("text/html"); method to configure the
> > content-type in the HTTP-Header.
>
> This is the proper way to do things. Using does not hurt.
>
> So... did it work?
>
Using the META didn't work, the other way they'll try in the next days. I will
inform you.
> > What i also found out is that you can use a defaulttype
> directive in
> > your Apache configuration.
>
> Yes, you can do that, but you should instead code your
> servlets to return the proper Content-Type.
>
> - -chris
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>
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> 6HkAoJJqxDlbi6rGbttOjWyoO3Pi7XWs
> =6EuJ
> -END PGP SIGNATURE-
>
> -
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>
>
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Re: AW: specifying the content-type
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Lentes,
On 6/7/2011 11:36 AM, Lentes, Bernd wrote:
> first we tried to set the content-type in the ...
> section in the html file. That didn't work.
How did you do it? If you use , it should override any Content-Type sent in the
HTTP response headers
> Our developers try now to use the
> response.setContentType("text/html"); method to configure the
> content-type in the HTTP-Header.
This is the proper way to do things. Using does not hurt.
So... did it work?
> What i also found out is that you can use a defaulttype directive in
> your Apache configuration.
Yes, you can do that, but you should instead code your servlets to
return the proper Content-Type.
- -chris
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Re: Mod_jk working for failover
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Manuel. On 6/7/2011 12:38 PM, Manuel Fernández Panzuela wrote: > I want to work with mod_jk in failover mode. I do not want to balancing > petitions until the node 1 is unavailable. If principal node (node 1) is > down, then petitions will be redirected to node 2. > > How I can do it? What have you tried so far? - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk3uaLUACgkQ9CaO5/Lv0PD6TACcC6239gZILU+6OGpT/xsh9F0I 6osAmgLvY4GYifndETBYP3z5JbznRYal =Jp0Z -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: DB password in context.xml
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Umesh, On 6/7/2011 11:44 AM, Umesh Bhatt wrote: > I want to keep DB password in encrypted form in context.xml and > decrypt it in my application before calling ds.getConnection(). > Please let me know how to achieve it. Here is a distillation of all the arguments (and flawed solutions) that have floated around the archives: http://wiki.apache.org/tomcat/FAQ/Password - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk3uaJkACgkQ9CaO5/Lv0PDciwCfXEVHwrHMel5q7HGK7ofGSeLg LgoAoKG9RY71LoXhMCaZShSm256VA9l3 =6HSg -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Asynchronous servlets + Tomcat + mod_jk
I got the asynch servlet working with Apache and mod_jk. The issue turned out to not be with mod_jk. I was deploying to a clustered environment with two tomcats that were set up to do session replication. I installed a third lone tomcat, linked it to apache with mod_jk, and it worked perfectly. So now I guess my question is somewhat vague, but how would I go about getting asynchronous servlets to work with clustering enabled? The isAsyncSupported() method of the request object returns false in my cluster setup... I've included the cluster element from my server.xml file. I have this between the element. channelSendOptions="8"> className="org.apache.catalina.tribes.membership.McastService" address="228.0.0.4" port="45564" frequency="500" dropTime="3000"/> className="org.apache.catalina.tribes.transport.nio.NioReceiver" address="auto" port="4000" autoBind="100" selectorTimeout="5000" maxThreads="6"/> className="org.apache.catalina.tribes.transport.ReplicationTransmitter"> className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/> className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/> className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor"/> filter=""/> className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/> className="org.apache.catalina.ha.session.ClusterSessionListener"/> -S On 6/6/2011 5:21 PM, ma...@apache.org wrote: Seth Lenzi wrote: I'm using Tomcat v7.0.14, Apache v2.2.17, and mod_jk v1.2.30. The Servlet I have does not implement CometProcessor. It's just a regular HttpServlet which creates an AsyncContext from the HttpServletRequest object. Like the example Servlet at this page, http://developerlife.com/tutorials/?p=1437 It does work nicely when accessed directly from Tomcat on port 8080... Only throws the IllegalStateExeception when going through Apache + mod_jk. I'm using the default HTTP connector, no NIO API... Since it was working through Tomcat I figured I didn't need the NIO HTTP connector. Thanks for your reply. -S On 6/6/2011 4:49 PM, André Warnier wrote: Seth Lenzi wrote: Anyone here have any experience with asynchronous servlets under a Tomcat that's linked to Apache via mod_jk? I have an asynchronous servlet that's working nicely when accessed directly from Tomcat, but, when I access it by going through Apache and mod_jk the ServletRequest.startAsync() function call throws an IllegalStateException saying the feature is not supported. You do not give a clue about which version of Tomcat you are using, but this may provide an explanation : http://tomcat.apache.org/tomcat-7.0-doc/aio.html Tomcat 7 has passed the Servlet TCK with all possible combinations of protocol (HTTP, AJP), connector implementation (BIO, NIO, APR) and httpd module (mod_jk, mod_proxy_http, mod_proxy_ajp). Asynchronous servlets work in all combinations. The best thing to do is create the simplest possible test case (ie a single Servlet) that demonstrates this issue and attach it to a bugzilla issue. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Mod_jk working for failover
Hello, I want to work with mod_jk in failover mode. I do not want to balancing petitions until the node 1 is unavailable. If principal node (node 1) is down, then petitions will be redirected to node 2. How I can do it? Thank you
Re: DB password in context.xml
On 07/06/2011 17:03, Umesh Bhatt wrote: > > Hi, > > My web application will be decrypting the password which has decryption key. > I do not want to keep password in plain text in context.xml. And where is your web application going to get this decryption key from? > Can you give me the link for archives? Links are available from the Tomcat website. Mark > > Thanks, > Umesh > > > From: Mark Thomas [ma...@apache.org] > Sent: Tuesday, June 07, 2011 9:28 PM > To: Tomcat Users List > Subject: Re: DB password in context.xml > > On 07/06/2011 16:44, Umesh Bhatt wrote: >> >> Hi, >> >> I want to keep DB password in encrypted form in context.xml and decrypt it >> in my application before calling ds.getConnection(). >> Please let me know how to achieve it. > > And where is Tomcat going to get the decryption key from? > > Hint: Save yourself some time and search the archives. > > Mark > > > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > > > > http://www.mindtree.com/email/disclaimer.html > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: DB password in context.xml
Hi, My web application will be decrypting the password which has decryption key. I do not want to keep password in plain text in context.xml. Can you give me the link for archives? Thanks, Umesh From: Mark Thomas [ma...@apache.org] Sent: Tuesday, June 07, 2011 9:28 PM To: Tomcat Users List Subject: Re: DB password in context.xml On 07/06/2011 16:44, Umesh Bhatt wrote: > > Hi, > > I want to keep DB password in encrypted form in context.xml and decrypt it in > my application before calling ds.getConnection(). > Please let me know how to achieve it. And where is Tomcat going to get the decryption key from? Hint: Save yourself some time and search the archives. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org http://www.mindtree.com/email/disclaimer.html - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: DB password in context.xml
On 07/06/2011 16:44, Umesh Bhatt wrote: > > Hi, > > I want to keep DB password in encrypted form in context.xml and decrypt it in > my application before calling ds.getConnection(). > Please let me know how to achieve it. And where is Tomcat going to get the decryption key from? Hint: Save yourself some time and search the archives. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Auth in Context.xml
Hi, In Context.xml I have set Auth="Application" and want to connect with DataSource programatically. I am not seeing any example of how to do it. Can you share some link related to this? Thanks, Umesh http://www.mindtree.com/email/disclaimer.html - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
DB password in context.xml
Hi, I want to keep DB password in encrypted form in context.xml and decrypt it in my application before calling ds.getConnection(). Please let me know how to achieve it. Thanks, Umesh http://www.mindtree.com/email/disclaimer.html - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: how to correct stop a thread and avoid leaks
yes, did that and it's working now. when contextDestroyed is called, i set the
bool to false and force the loop out. What i was missing is loop is exited when
> if ((inputLine = in.readLine()) != null)
this is completed, so, from Server class what i did is
Listener.requestStop(); // this causes to take the boolean to false to exit the
loop
while(Listener.isAlive())
{
Thread.sleep(1500);
}
Causing main thread (Server) to wait, until a new message is processed by the
in.ReadLine, then parsed, then exit the loop and close the Listener thread, and
then Listener.isAlive() is not true anymore, now it's working perfect.
Thanks for the help.
On Jun 7, 2011, at 12:33 PM, Bill Miller wrote:
> If you want to work with threads in tomcat you need to know about the Tomcat
> org.apache.catalina.LifecycleListener interface. If you implement the
> interface and register your
> class within server.xml your class will be notified of Tomcat life cycle
> events (Start, Stop,
> etc...). You can then do appropriate things when those events happen.
>
> Here is an example method that is the only method in LifecycleListener:
> public class TomcatServerLifecycleListener implements LifecycleListener
> {
> public void lifecycleEvent(LifecycleEvent event)
> {
> if(Lifecycle.STOP_EVENT.equals(event.getType()))
> {
> //Call a method on your Runnable that will trigger it
> to exit the Run()
> method.
> // (or set a Boolean to stop looping, I've adjusted
> your code below too; how
> you
> // set the flag is up to you)
> }
> }
> }
> Here is the line to be added to Server.xml to register a class as a listener:
>
>
> So if you created an object like I have above and gave it a static method
> that allows you to insert
> an object that needs to be notified of a shutdown event, then you will be
> able to control your
> threads properly. You could even have your Runnable implement the
> LifecycleListener directly and
> have your registered object keep a list of objects that need to be notified.
>
> There are dozens of ways to do this, pick one that works for you. Don't
> forget to investigate all of
> the LifecycleEvent types in case you have use for the other options.
>
> Bill
>
> -Original Message-
> From: alexis [mailto:alz...@gmail.com]
> Sent: June 6, 2011 8:10 PM
> To: Tomcat Users List
> Subject: how to correct stop a thread and avoid leaks
>
> Hello, im running an app that has a class that implements
> ServletContextListener (Server class), on
> that class i create a thread of Listener (that implements Runnable)
>
> Listener starts a ServerSocket that listen on a port, and in a periodically
> manner, this app
> receives a string, parses the string and stores the data inside a database.
> Flow is
>
> 1. receive a tcp connection (syn , syn+ack, ack)
> 2. receives lines over and over again inside this connections (each line is
> parsed and stored)
>
> Below is the code of Listener class and how i call this class from Server
> class. What im facing is
> im not able to stop Listener in a correct way. doing Listener.interrupt()
> does nothing. How can i
> safely stop Listener thread
>
>
> Thanks in advance
>
>
> --
> //initalize listener
>Listener = new Thread((Runnable) new
> Listener(Integer.parseInt(prop.getProperty("listenonport";
>if (!Listener.isAlive()) {
>Listener.setName("ListenerThread");
>Listener.setDaemon(true);
>Listener.start();
>}
>
> --
>
> package lesi.p1;
>
> import java.io.BufferedReader;
> import java.io.IOException;
> import java.io.InputStreamReader;
> import java.net.ServerSocket;
> import java.net.Socket;
> import org.apache.log4j.Logger;
>
> /**
> *
> * @author alz
> */
> public class Listener implements Runnable {
>
>private static org.apache.log4j.Logger log =
> Logger.getLogger(Listener.class);
>private Socket clientSocket = null;
>private ServerSocket serverSocket = null;
>private int listenport = 0;
>Thread CDRThread = null;
>
>public Listener(int port) {
>this.listenport = port;
>}
>
>@Override
>public void run() {
>try {
>log.debug("About to listen on port: " + this.listenport);
>serverSocket = new ServerSocket(this.listenport);
>
>while (true) {
>clientSocket = serverSocket.accept();
>CDRThread = new Thread((Runnable) new CDRExec(clientSocket));
>if (!CDRThread.isAlive()) {
>CDRThread.setName("CDRThread");
>CDRThread.setDaemon(true);
>CDRThread.start();
>}
>}
>} catch (IOException e) {
>
>log.error("Catcher IOException: ", e);
>} finally {
>try {
>log.info("Closing socket");
>
RE: Multiple hosts pointing to different index files for one webapp
> From: Mike Kennedy [mailto:mkenn...@oucpm.org] > Subject: Multiple hosts pointing to different index files for one webapp > I have been asked to launch a new webapp in Tomcat via different URLs, > with each URL pointing to a different launch page for the same app. Probably the easiest way to handle this is with a filter. Look here: http://www.tuckey.org/urlrewrite/ - 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: Error in Tomcat 6.0 log4j documentation
Hi Konstantin, hi Mark, all right, thank you. I only looked at the published version, not the one in svn. Regards, Remon On 06/07/2011 05:06 PM, Konstantin Kolinko wrote: 2011/6/7 Mark Thomas: On 07/06/2011 11:52, Remon Sadikni wrote: Hi Mark, for me log4j only works with this additional line per appender: log4j.appender.CATALINA.layout=org.apache.log4j.PatternLayout Where exactly? That line is already present in the docs. Or are you looking at an older version? That line was already added by Christopher several days ago (revs 1129869, 1129863), as a response for the previous report of the same issue. It is not published yet, so see the ci link (the docs published by buildbot) that Mark mentions below. The latest version in svn is this: http://ci.apache.org/projects/tomcat/tomcat6/docs/logging.html#Using_Log4j BTW, Log4J docs and out 5.5 docs start "conversionPattern" with an uppercase "C". http://tomcat.apache.org/tomcat-5.5-doc/logging.html http://logging.apache.org/log4j/1.2/manual.html I expect it to work either way though, as Log4J normalizes the property name before applying (o.a.log4j.config.PropertySetter calls Introspector.decapitalize()) Best regards, Konstantin Kolinko - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org -- +++ Dipl. Inf. Remon Sadikni Scientific Programmer University of Hamburg / KlimaCampus Hamburg Center for Integrated Climate System Analysis and Prediction - CliSAP Grindelberg 5 / D-20144 Hamburg / Germany phone: +49-40-42838-7581 email: remon.sadi...@zmaw.de +++ - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: AW: specifying the content-type
Hi,
first we tried to set the content-type in the ... section in the
html file. That didn't work.
Our developers try now to use the response.setContentType("text/html"); method
to configure the content-type in the HTTP-Header.
What i also found out is that you can use a defaulttype directive in your
Apache configuration.
This sets the content-type of all what httpd is not able to recognize.
Further information: http://httpd.apache.org/docs/2.2/mod/core.html#defaulttype
I will keep you informed.
Bernd
Helmholtz Zentrum München
Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH)
Ingolstädter Landstr. 1
85764 Neuherberg
www.helmholtz-muenchen.de
Aufsichtsratsvorsitzende: MinDir´in Bärbel Brumme-Bothe
Geschäftsführer: Prof. Dr. Günther Wess und Dr. Nikolaus Blum
Registergericht: Amtsgericht München HRB 6466
USt-IdNr: DE 129521671
RE: how to correct stop a thread and avoid leaks
If you want to work with threads in tomcat you need to know about the Tomcat
org.apache.catalina.LifecycleListener interface. If you implement the interface
and register your
class within server.xml your class will be notified of Tomcat life cycle events
(Start, Stop,
etc...). You can then do appropriate things when those events happen.
Here is an example method that is the only method in LifecycleListener:
public class TomcatServerLifecycleListener implements LifecycleListener
{
public void lifecycleEvent(LifecycleEvent event)
{
if(Lifecycle.STOP_EVENT.equals(event.getType()))
{
//Call a method on your Runnable that will trigger it
to exit the Run()
method.
// (or set a Boolean to stop looping, I've adjusted
your code below too; how
you
// set the flag is up to you)
}
}
}
Here is the line to be added to Server.xml to register a class as a listener:
So if you created an object like I have above and gave it a static method that
allows you to insert
an object that needs to be notified of a shutdown event, then you will be able
to control your
threads properly. You could even have your Runnable implement the
LifecycleListener directly and
have your registered object keep a list of objects that need to be notified.
There are dozens of ways to do this, pick one that works for you. Don't forget
to investigate all of
the LifecycleEvent types in case you have use for the other options.
Bill
-Original Message-
From: alexis [mailto:alz...@gmail.com]
Sent: June 6, 2011 8:10 PM
To: Tomcat Users List
Subject: how to correct stop a thread and avoid leaks
Hello, im running an app that has a class that implements
ServletContextListener (Server class), on
that class i create a thread of Listener (that implements Runnable)
Listener starts a ServerSocket that listen on a port, and in a periodically
manner, this app
receives a string, parses the string and stores the data inside a database.
Flow is
1. receive a tcp connection (syn , syn+ack, ack)
2. receives lines over and over again inside this connections (each line is
parsed and stored)
Below is the code of Listener class and how i call this class from Server
class. What im facing is
im not able to stop Listener in a correct way. doing Listener.interrupt() does
nothing. How can i
safely stop Listener thread
Thanks in advance
--
//initalize listener
Listener = new Thread((Runnable) new
Listener(Integer.parseInt(prop.getProperty("listenonport";
if (!Listener.isAlive()) {
Listener.setName("ListenerThread");
Listener.setDaemon(true);
Listener.start();
}
--
package lesi.p1;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import org.apache.log4j.Logger;
/**
*
* @author alz
*/
public class Listener implements Runnable {
private static org.apache.log4j.Logger log =
Logger.getLogger(Listener.class);
private Socket clientSocket = null;
private ServerSocket serverSocket = null;
private int listenport = 0;
Thread CDRThread = null;
public Listener(int port) {
this.listenport = port;
}
@Override
public void run() {
try {
log.debug("About to listen on port: " + this.listenport);
serverSocket = new ServerSocket(this.listenport);
while (true) {
clientSocket = serverSocket.accept();
CDRThread = new Thread((Runnable) new CDRExec(clientSocket));
if (!CDRThread.isAlive()) {
CDRThread.setName("CDRThread");
CDRThread.setDaemon(true);
CDRThread.start();
}
}
} catch (IOException e) {
log.error("Catcher IOException: ", e);
} finally {
try {
log.info("Closing socket");
serverSocket.close();
} catch (IOException ex) {
log.error("Error trying to close port", ex);
}
if (CDRThread.isAlive()) {
log.info("Stopping CDRExec Thread");
CDRThread.interrupt();
}
}
}
class CDRExec implements Runnable {
public Boolean keepRunning = true; // !! Shutdown flag! Set to
false to exit loop
private Socket client = null;
public CDRExec(Socket client) {
this.client = client;
}
@Override
public void run() {
String inputLine = "";
StringBuilder sb = new StringBuilder();
Parser p = null;
BufferedReader in = null;
log.debug("Thread: " + Thread.currentThread().getId() + " name: " +
Thread.currentThread().getName());
try {
Multiple hosts pointing to different index files for one webapp
I have been asked to launch a new webapp in Tomcat via different URLs, with each URL pointing to a different launch page for the same app. For example: portal1.com --> webapps/portalapp/portal1_index.jsp portal2.com --> webapps/portalapp/portal2_index.jsp I don't know if this should be done by the app itself, or if there is a simple/complicated way to do it in Tomcat. I have researched through the O'Reilley Tomcat book, tomcat docs, and various forums, and have not found any config documentation to do it. A welcome-file specification in the app's web.xml doesn't seem to cut it, and I have tried to rig an Apache proxy but still cannot get the right index file to be called first. Likely I just do not fully understand some settings in Tomcat or Apache to do this right (perhaps 'appBase' under or 'path' and 'docBase' under can be used), hence I come to you. Any assistance is much appreciated. I hope my description is clear; if there is more info/config stuff I can post let me know. I am running Tomcat 5.5.23 and Apache 2.2.3 on Redhat Linux 5, with jdk-1.6.0_07-fcs. Here are some relevant sections of my configs that get me as close as I have come. I can launch the app by domain URL, but not without still specifying the index page in the URL (http://portal1.com/ won't work, have to use http://portal1.com/portal1_index.jsp). from server.xml: from httpd.conf: DocumentRoot /var/www/html/portal1 ServerName portal1.com allow from all Options -Indexes DirectoryIndex portal1_index.jsp # Added to proxy for Tomcat ProxyRequests Off Order deny,allow Allow from all ProxyPass / http://portal1.oucpm.org:8080/ ProxyPassReverse / http://portal1.oucpm.org:8080/ ProxyVia On ProxyPreserveHost Off Again, many thanks for your consideration. -Mike
Re: Error in Tomcat 6.0 log4j documentation
2011/6/7 Mark Thomas : > On 07/06/2011 11:52, Remon Sadikni wrote: >> Hi Mark, >> >> for me log4j only works with this additional line per appender: >> >> log4j.appender.CATALINA.layout=org.apache.log4j.PatternLayout > > Where exactly? That line is already present in the docs. Or are you > looking at an older version? That line was already added by Christopher several days ago (revs 1129869, 1129863), as a response for the previous report of the same issue. It is not published yet, so see the ci link (the docs published by buildbot) that Mark mentions below. > > The latest version in svn is this: > http://ci.apache.org/projects/tomcat/tomcat6/docs/logging.html#Using_Log4j > BTW, Log4J docs and out 5.5 docs start "conversionPattern" with an uppercase "C". http://tomcat.apache.org/tomcat-5.5-doc/logging.html http://logging.apache.org/log4j/1.2/manual.html I expect it to work either way though, as Log4J normalizes the property name before applying (o.a.log4j.config.PropertySetter calls Introspector.decapitalize()) Best regards, Konstantin Kolinko - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Error in Tomcat 6.0 log4j documentation
On 07/06/2011 11:52, Remon Sadikni wrote: > Hi Mark, > > for me log4j only works with this additional line per appender: > > log4j.appender.CATALINA.layout=org.apache.log4j.PatternLayout Where exactly? That line is already present in the docs. Or are you looking at an older version? The latest version in svn is this: http://ci.apache.org/projects/tomcat/tomcat6/docs/logging.html#Using_Log4j Is the whitespace an issue? Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: error-page for http 500 error code does not work
Chris, Through further investigation, I now believe the JSF framework I'm using is absorbing the error, and the framework's error page is what is throwing the 500 error. I wonder if the 500 error thrown by the framework's error page should fall through to the custom error page servlet I've created? The JSF framework is the Sun Visual Web Pack that is no longer supported on the Oracle Netbeans IDE. I posted on the forum for Netbeans in the hopes that someone can tell me how to disable the default exception handler for the Visual Web Pack. Thanks! - Kevin, On 6/3/2011 9:43 AM, Kevin Claver wrote: > When the custom error servlet fails to display, I get the stock tomcat http > 500 error page. > > If I look at the access log, I see the 500 error: > > 192.168.xxx.xxx - - [02/Jun/2011:13:53:14 -0600] "POST > /HMAApp/faces/main/TaskSearchTab.jsp HTTP/1.0" 500 1000 So, you are sure the error happens in the requested JSP and not in the error page itself? If the error page suffers an error... it's all over. - -chris
Re: Error in Tomcat 6.0 log4j documentation
Hi Mark,
for me log4j only works with this additional line per appender:
log4j.appender.CATALINA.layout=org.apache.log4j.PatternLayout
Thanks,
Remon
On 06/06/2011 07:09 PM, Mark Thomas wrote:
On 06/06/2011 15:25, Remon Sadikni wrote:
Dear Tomcat-Developers and Users,
I think there is an error in the Tomcat 6.0 logging documentation with
log4j:
http://tomcat.apache.org/tomcat-6.0-doc/logging.html#Using_Log4j
For every appender there is a layout missing and in front of
conversionPattern there is missing "layout.". So for example for the
appender CATALINA the right syntax would be:
log4j.appender.CATALINA=org.apache.log4j.DailyRollingFileAppender
log4j.appender.CATALINA.file=${catalina.base}/logs/catalina.
log4j.appender.CATALINA.encoding=UTF-8
# Roll-over the log once per day
log4j.appender.CATALINA.DatePattern='.'-MM-dd'.log'
log4j.appender.CATALINA.layout.conversionPattern = %d [%t] %-5p %c- %m%n
log4j.appender.CATALINA.layout=org.apache.log4j.PatternLayout
log4j.appender.CATALINA.append=true
The same errors appear in the Tomcat 7.0 documentation.
Thanks for the report.
I could see the missing "layout." but no missing layouts for the appenders.
The fixes will be in 7.0.16 and 6.0.33.
Mark
-
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--
+++
Dipl. Inf. Remon Sadikni
Scientific Programmer
University of Hamburg / KlimaCampus Hamburg
Center for Integrated Climate System Analysis and Prediction - CliSAP
Grindelberg 5 / D-20144 Hamburg / Germany
phone: +49-40-42838-7581
email: remon.sadi...@zmaw.de
+++
-
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Re: Asynchronous servlets + Tomcat + mod_jk
Sent from my iPhone On 6 jun 2011, at 22:50, André Warnier wrote: > Seth Lenzi wrote: >> Anyone here have any experience with asynchronous servlets under a Tomcat >> that's linked to Apache via mod_jk? I have an asynchronous servlet that's >> working nicely when accessed directly from Tomcat, but, when I access it by >> going through Apache and mod_jk the ServletRequest.startAsync() function >> call throws an IllegalStateException saying the feature is not supported. > You do not give a clue about which version of Tomcat you are using, but this > may provide an explanation : http://tomcat.apache.org/tomcat-7.0-doc/aio.html > > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat 6 Clustering vs. Tomcat 5.5 clustering
Hi, I almost forgot about this one :-) - Original Message > From: Filip Hanik - Dev Lists > To: Tomcat Users List > Sent: Tue, June 7, 2011 1:07:20 AM > Subject: Re: Tomcat 6 Clustering vs. Tomcat 5.5 clustering > > On 5/23/2011 6:50 AM, Martin Knoblauch wrote: > > Hi, > > > > while moving an application from Tomcat 5.5 to Tomcat 6 I found some > > differences in clustering, that I could not resolve myself: > > > > e. G. What happened to replicationMode, ackTimeout waitForAck? In TC 5.5 I > > >had: > > > >> className="org.apache.catalina.cluster.tcp.ReplicationTransmitter" > >replicationMode="fastasyncqueue" > > ackTimeout="15000" > >waitForAck="true"/> > channelSendOptions > http://tomcat.apache.org/tomcat-6.0-doc/config/cluster.html > I know those pages. They are not that much helpful (IMO) in the transition. What I am looking for is a kind of side-by-side comparison of what changed between 5.5 and 6.0. Any pointers are welcome. > > > Are they still available with > > "org.apache.catalina.tribes.transport.ReplicationTransmitter"? > > > > Also, can I assume the "bindAddress" from > > "org.apache.catalina.cluster.mcast.McastService" is the same as "bind" from > > "org.apache.catalina.tribes.membership.McastService"? > > yes > http://tomcat.apache.org/tomcat-6.0-doc/config/cluster-membership.html > OK, I figured that out. Cheers Martin - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: Query regarding an issue been faced in TOMCAT
Mikolaj Rydzewski wrote: > On Fri, 3 Jun 2011 17:58:06 +0530, Srilalitha Bijumalla wrote: > >> java.io.FileNotFoundException: >> /global/backup/apache-tomcat-5.5.23/logs/catalina.2011-05-31.log (No >> space left on device) > > Either there's no space left or there are insufficient permissions. > Maybe tomcat is unable to create logfile, but incorrectly recognizes it > as a no space left error. > Anyway, migration to new tomcat version is recommended. > Anyway, I find this /global/backup/ directory name quite suspicious. And the catalina.out contents show that the problem is not only with the Tomcat "logs" directory, but also with the "conf" directory etc.. If anything, it sounds like you are trying to start Tomcat from some backup directory, instead of from the directory in which it was first installed. And maybe indeed that brings a whole lot of permission problems (or maybe that location is read-only, or whatever..). Can you tell us what it is precisely, that you are trying to achieve ? Has this same Tomcat been running from this same directory before ? Srilalitha--> This issue got solved when we deleted some folders from a directory which was mapped to tomcat in conf. But we are still not able to analyse why this issue has occurred, Disk space was available and permissions were also provided and tomcat was not started from backup directory Need to find how the folders linked in conf could create a low disk space error - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org The information contained in this e-mail message and any attachments is confidential, and is intended only for the use of the party to whom it is addressed. This message and any attachments herein are subject to scanning and may be monitored at any time for review. If you are not the above-named intended recipient, you are hereby notified that any dissemination, copying or disclosure of this communication is strictly prohibited. If you have received this communication in error, please notify XIUS immediately by reply to this message or by telephoning (781) 904-5000, and destroy this message and its attachments, without making any copy or distribution. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Class.forName doesn't find classes located in WEB-INF/lib
On 06/06/2011 23:35, Clemens Eisserer wrote:
> Hi Martin,
>
>> 3)webapp (everything found in WEB-INF/lib and WEB-INF/classes)
>>
>> you are using system classloader to loaf WEB-INF/lib jar
>> use the webapp classloader
>
> So according to this, the servlet as well as the classes from
> WEB-INF/lib are loaded with the same classloader?
> What I did in the servlet was basically: this.getClass().forName("Notepad");
>
> I've now changed the code to (where this refers to the Servlet):
> ClassLoader loader = this.getClass().getClassLoader();
> Class cls = loader.loadClass(className);
>
> However loader in this case is null, any idea what is going on?
http://marc.info/?t=10426557623&r=1&w=2
(which is linked from the Class Not Found FAQ which I'm guessing you
didn't read).
Mark
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