| 00:00.05 | jasonb | It happens when the client disconnects before Tomcat does. |
| 00:02.31 | bobbytek2 | you see, I'm noticing something else |
| 00:02.46 | bobbytek2 | so long as you don't write to the response, there is no CAE |
| 00:03.45 | progre55 | what is the default listener class for requests? |
| 00:04.01 | progre55 | I mean, when a request comes to tomcat, what is the first place it hits? |
| 00:04.14 | bobbytek2 | a valve perhaps? |
| 00:05.23 | progre55 | any specific class names? |
| 00:06.01 | bobbytek2 | Are you talking about from the servlet spec, or in tomcat? |
| 00:06.16 | progre55 | in tomcat |
| 00:07.47 | bobbytek2 | http://tomcat.apache.org/tomcat-6.0-doc/api/org/apache/catalina/Valve.html |
| 00:07.56 | bobbytek2 | it's configurable |
| 00:07.57 | progre55 | well, I just wanted to debug it.. and see how tomcat loads a file (say, just a simple txt file) when it's requested.. so just wanted to find a starting point for debugging :) |
| 00:08.18 | bobbytek2 | http://tomcat.apache.org/tomcat-6.0-doc/api/org/apache/catalina/valves/RequestDumperValve.html |
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| 00:26.02 | jasonb | bobbytek2: Oh, you're likely right.. that Tomcat doesn't realized that the client socket is closed until it attempts to write something to it.. and that is what triggers the ClientAbortException. |
| 00:33.21 | bobbytek2 | jasonb: have you actually used this technique? |
| 00:34.14 | jasonb | Not that one. But, I lightly tested the code. |
| 00:34.43 | jasonb | There was also an email thread about this on tomcat-user, where myself and others came up with this. |
| 00:36.25 | bobbytek2 | ya saw that |
| 00:36.32 | bobbytek2 | http://www.mail-archive.com/users@tomcat.apache.org/msg67436.html |
| 00:36.46 | bobbytek2 | noticed that he actually writes something to the response in his |
| 00:36.53 | bobbytek2 | guess you didn't like that part? |
| 00:37.16 | bobbytek2 | Do you create a new executor every request? |
| 00:37.29 | bobbytek2 | and how many threads? |
| 00:38.47 | bobbytek2 | I'm doing: ExecutorService executorService = Executors.newSingleThreadExecutor(); |
| 00:38.56 | bobbytek2 | but not sure if that is overkill for this |
| 00:39.11 | bobbytek2 | or if I should move it to a higher scope |
| 00:42.04 | jasonb | Only you can really know how to code your pet project for your specific situation. |
| 00:42.53 | bobbytek2 | right |
| 00:43.08 | bobbytek2 | I just didn't want to recreate the tomcat thread pool! |
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| 02:00.16 | kc8pxy | tomcat 6.0.26, sun-jdk-1.6, Gentoo Linux. i have a webapp that requires the mysql connector. before i moved it into the catalina_home, i could get tomcat to come up far enough to see the manager, now, it locks up, no apps served, no response at all. i can't get the app to work right without the connector. all it will do is spew exceptions at me, because the connector failed to load. |
| 02:00.28 | kc8pxy | the ap is alfresco |
| 02:00.31 | kc8pxy | app |
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| 02:22.15 | bobbytek2 | kc8pxy: haha! |
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| 12:46.53 | sveajobb | Hi, I'm feeling like an idiot atm, how can I extract the information given on an url with a semicolon, such as this: /index.jsp;jsessionid=434343434343;myId=lskjskdfjd |
| 12:47.41 | sveajobb | I think I have looked at almost every part of the HttpServletRequest interface but I just can't seem to find it |
| 12:50.25 | bobbytek2 | that's called a path parameter |
| 12:50.56 | sveajobb | bobbytek2, I see, is there some easy way to extract that information? |
| 12:51.22 | bobbytek2 | not sure :) |
| 12:51.48 | sveajobb | Ah.. :) |
| 12:54.52 | sveajobb | I'm going mental over here. All the URL/URI/Path related functions in HttpServletRequest just return some portion not containing the ;jsessionid param |
| 12:55.43 | sveajobb | ah, ok, n/m it seems the url is rewritten and jsessionid is removed from the url my application sees. Any other paramName will show up in getRequestURI |
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| 14:11.24 | upul` | Hi, does anybody know the default database pool size in the built-in tomcat-dbcp |
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| 14:34.13 | cga | hi all, where can i understand howto rotate catalina.out properly? please thanks |
| 14:34.35 | cga | i mean FAQ or howto * |
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| 16:17.01 | CaselogiC_BR | guyss, help-me please |
| 16:17.29 | CaselogiC_BR | i have one tomcat server running and java process is getting 100% of cpu.. i'm running JTOP to see some threads and i saw a lot of TP-Processor##.. i think they could be the problem of my server load... tomcat 6.0.20 and apache 2.2 whith jk 1.28, Linux version 2.6.18-120.el5 (brewbuilder@hs20-bc1-7.build.redhat.com) (gcc version 4.1.2 20071124 (Red Hat 4.1.2-42) |
| 16:18.48 | factor | CaselogiC_BR, is apache used as the front end or just tomcat. |
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| 16:19.51 | CaselogiC_BR | apache |
| 16:20.01 | CaselogiC_BR | apache -> jk -> tomcat |
| 16:20.19 | factor | ok just wondering , if you had a infinite loop on a proxy would di it, but that would max out apach not tomcat |
| 16:20.31 | factor | apache will also error out if that happens now. |
| 16:20.39 | CaselogiC_BR | yes |
| 16:20.40 | factor | stopping it from happening. |
| 16:20.51 | factor | yes that is what I use as well |
| 16:22.55 | factor | have you checked TOMCAT_HOME/log/catalina.out |
| 16:23.32 | CaselogiC_BR | yes.. nothing |
| 16:23.43 | factor | nothing or no error |
| 16:24.24 | factor | needs to have startup info, or you may not have CATALINA_HOME set. |
| 16:24.50 | factor | env |
| 16:24.57 | CaselogiC_BR | after some time the cpu starts beeing 100% ... it could be the threads that the jk connector are starting to proccess the request ? (sorry my english is poor) |
| 16:25.42 | CaselogiC_BR | i have.. everithing is ok... i set CATALINA.sh with some options... JAVA_HOME, xms xms, etc... |
| 16:25.54 | factor | how much memeory |
| 16:26.17 | factor | -Xmx1024M -Xms1024M |
| 16:26.26 | factor | that is what I have mine setup with |
| 16:26.39 | CaselogiC_BR | "/opt/java/bin/java -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties -Xms1536m -Xmx4096m -XX:MaxPermSize=512m -server -Dcom.sun.management.jmxremote -XX:+UseParallelGC -Djava.library.path=/opt/openoffice.org/ure/lib -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/opt/tomcat/endorsed -classpath :/opt/tomcat/bin/bootstrap.jar -Dcatalina.base=/opt/tomcat -Dcatalina.home=/opt/tomcat -Djava.io. |
| 16:26.40 | factor | way up so I dont run into trouble |
| 16:27.12 | factor | that is well enough depending on what you are running |
| 16:27.18 | CaselogiC_BR | yes |
| 16:27.42 | factor | is that running process or your JAVA_OPT env |
| 16:27.54 | CaselogiC_BR | a running process... |
| 16:28.00 | factor | you will need to logo out of the shell and log back in to have the changes take place |
| 16:28.12 | factor | not just stop the process |
| 16:28.37 | CaselogiC_BR | yes.. if I stop the process, it stays down.. them, it comes up... |
| 16:28.45 | CaselogiC_BR | the cpu load |
| 16:29.31 | CaselogiC_BR | <PROTECTED> |
| 16:29.31 | CaselogiC_BR | 23647 tomcat 18 0 5597m 3.6g 12m S 14.6 23.3 239:07.54 java |
| 16:29.33 | CaselogiC_BR | now... |
| 16:29.47 | CaselogiC_BR | and there are about 50 users logged... |
| 16:30.04 | factor | well it may be reading right then |
| 16:30.27 | CaselogiC_BR | one hour ago, there was about 170 users.. and the cpu was 100% every time.. |
| 16:30.53 | factor | yes sounds like everything is working according to plan. |
| 16:31.05 | CaselogiC_BR | we are using JSF + richfaces + hibernate + spring... |
| 16:31.11 | factor | you are going to not only use threads but dist your processes. |
| 16:31.31 | factor | only so mnay threads per process. |
| 16:31.55 | factor | dont know off hand how to setup tomcat to use more tomcats or cluster them on the same system |
| 16:33.13 | CaselogiC_BR | there are 2 tomcats on the same system (but one is started)... now i will put one at another one machine and try |
| 16:33.49 | factor | well you may not need two systems. but will help as well |
| 16:33.55 | factor | you need to get both stated |
| 16:34.15 | CaselogiC_BR | yes.. using 2 tomcats at the same server i got 100% |
| 16:34.52 | factor | you can have more |
| 16:36.21 | CaselogiC_BR | my connector is defined here: |
| 16:36.22 | CaselogiC_BR | <PROTECTED> |
| 16:36.23 | CaselogiC_BR | <PROTECTED> |
| 16:37.05 | CaselogiC_BR | yes.. i think there is some While(true).. lol... at a moment... |
| 16:37.54 | CaselogiC_BR | i have to get lunch.. i come back later in a few minutes... thanks a lot factor.. |
| 16:38.30 | factor | ok |
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| 19:41.14 | kc8pxy | tomcat 6.0.26, sun jdk 1.6, gentoo linux. i seem to have resolved my mysql connector issues, but now my VM locks up part-way through loading. i don't get manager, i don't get my webapp, and all i get in the way of info as to why, is a Warn about jmx. i believe i've installed jmx, but it's still tossing warns.. that's the only think i can see that give me info why the lockup is happening, that i nkow how to read. |
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| 23:03.49 | jeremyw | Right now, I have Apache proxying to Tomcat via mod_proxy, no mod_jk. If Apache is SSL, the JSESSIONID is not secure. In Tomcat 5.0.x, adding 'secure="true"' to the Connector forces SSL mode for that Connector while in 5.5.x, it just secures cookies without the SSL requirement for the whole connector. |
| 23:03.55 | jeremyw | Does this ring a bell to anyone? |
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