| 00:05.24 | map7 | Is struts a good framework to learn? Would it be suitable for a large project? |
| 00:05.47 | Hellaenergy | map7 go to #struts and ask that ;) |
| 00:06.40 | *** part/#tomcat Hellaenergy (n=Hellaene@206.231.92.70) |
| 00:07.16 | map7 | i think they would be biased |
| 00:08.19 | map7 | i want to know what framework people use under tomcat? and i've been looking at struts, is this good one or not? |
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| 00:23.14 | DarkStorm | hi |
| 00:23.44 | DarkStorm | What is the search path if i try to open a file within a tomcat servlet? (Just the WEB-INF directory? the entire classpath? etc.) |
| 00:46.25 | *** part/#tomcat DarkStorm (n=DStorm@p54B069C9.dip.t-dialin.net) |
| 01:07.58 | yel | c ya all ! |
| 01:52.32 | *** join/#tomcat vinse (n=vinse@ppp-71-139-57-38.dsl.snfc21.pacbell.net) |
| 01:56.38 | *** join/#tomcat ibot (i=ibot@pdpc/supporter/active/TimRiker/bot/apt) |
| 01:56.38 | *** topic/#tomcat is http://tomcat.apache.org Latest stable versions of Tomcat are 5.5.15, 4.1.31, and 3.3.2 If you are a newbie, use the official distribution on Jakarta's site. Be sure to check the log files before you attempt to search for a solution. SLOW-MOTION CHANNEL (we all have jobs): Ask your question, then wait; check back often to see if anybody answered. |
| 02:14.06 | map7 | how do I tell tomcat to log debug information? |
| 02:29.09 | *** join/#tomcat JobaZ (n=Fred@219.95.94.224) |
| 02:29.25 | JobaZ | Hello |
| 02:29.54 | JobaZ | Anyone on the channel? |
| 02:30.11 | lyken | no its completely empty |
| 02:30.22 | JobaZ | How come? |
| 02:31.02 | JobaZ | Where are u from? |
| 02:32.13 | JobaZ | I have a question concerning tomcat... |
| 02:32.20 | JobaZ | Can you help me? |
| 02:48.28 | *** join/#tomcat zembee (n=zembee@118-054.dsl.osogrande.com) |
| 02:49.42 | *** join/#tomcat prolificgnosis (n=auroch@auroch.student.umd.edu) |
| 02:50.06 | prolificgnosis | do you guys mind answering some questions on jsp? |
| 02:50.25 | JobaZ | hm go ahead if can help, will |
| 02:51.00 | prolificgnosis | ok, so I'm developing a web app, I have a controller servelt and a login page |
| 02:51.29 | prolificgnosis | I declare a userbean and the scope if for the session |
| 02:51.38 | prolificgnosis | scope is for the session |
| 02:51.56 | prolificgnosis | from page to page, how does the server know who's session its dealing with? |
| 02:52.16 | prolificgnosis | do I need to create a cookie? do I have to pass this cookies? and how do I pass it |
| 02:53.09 | JobaZ | basically, you access the servlet to check username / password |
| 02:53.14 | JobaZ | is it correct? |
| 02:53.22 | prolificgnosis | yeah |
| 02:53.24 | prolificgnosis | thats correct |
| 02:53.47 | JobaZ | And you want to be able to treat several connection to your login page at once |
| 02:53.58 | JobaZ | that is why recognizing the session is important correct? |
| 02:54.02 | prolificgnosis | well yeah eventually |
| 02:54.10 | prolificgnosis | but right now i would be happy with just one |
| 02:54.30 | JobaZ | But why do you actually question yourself on that point? |
| 02:54.49 | prolificgnosis | well I need the session so that I can pass information back in forth, i just think its a good method |
| 02:55.15 | prolificgnosis | hmm what do you mean question myself on that point? |
| 02:55.36 | JobaZ | I just trying to figure out your intention |
| 02:56.13 | prolificgnosis | oh, ummm, lol my intention is to send a user bean in, fill it up with data in the backend, and be able to access that bean on another page |
| 02:57.07 | prolificgnosis | cool? |
| 02:57.11 | JobaZ | cool lol |
| 02:57.15 | JobaZ | well ... |
| 02:57.41 | prolificgnosis | so do I need a cookie? |
| 02:57.50 | JobaZ | What's the problem, you can't send the data to the server or what? |
| 02:58.18 | prolificgnosis | I send the data to server, but when I access the user bean on the next page the data is null |
| 02:58.44 | JobaZ | ic |
| 02:59.01 | JobaZ | on the server, do you have any mechanism to store the state? |
| 02:59.17 | JobaZ | normally on server side, you should have methods like saveState or restoreStates |
| 02:59.37 | JobaZ | you using jsf? |
| 02:59.50 | prolificgnosis | no |
| 02:59.57 | prolificgnosis | what do you mean savestate? |
| 03:00.25 | JobaZ | The data that you send to the server, you need to somehow store it on server side, using some mechanism |
| 03:00.38 | prolificgnosis | what like a DB? |
| 03:01.00 | JobaZ | Have you ever considered using jsf or some framework |
| 03:01.09 | prolificgnosis | no |
| 03:01.15 | prolificgnosis | can i avoid that? |
| 03:01.16 | JobaZ | it provides functionnalities that are helpfull for that |
| 03:01.19 | JobaZ | yes |
| 03:01.25 | prolificgnosis | well then I would like to |
| 03:01.32 | prolificgnosis | what io'm doing isn't terribly complicated |
| 03:01.41 | JobaZ | yes i understand |
| 03:01.43 | prolificgnosis | i can see it in my head, there are just a few inconsistencies i have to iron out |
| 03:02.18 | JobaZ | I am not sure anymore how to store data on server .... |
| 03:02.31 | prolificgnosis | I mean i have a db |
| 03:02.39 | JobaZ | using db would be too costly for simple variable such as unsername password |
| 03:02.55 | prolificgnosis | well don't worry about the cost |
| 03:03.01 | prolificgnosis | i just need to know the mechanics |
| 03:03.13 | prolificgnosis | like do you know how the session variable is working |
| 03:03.15 | JobaZ | ok, your guy enter username password, send it to servlet |
| 03:03.21 | JobaZ | the servlet makes the verification |
| 03:03.22 | prolificgnosis | yeah |
| 03:03.25 | prolificgnosis | correct |
| 03:03.32 | JobaZ | access db, check |
| 03:03.38 | JobaZ | if positif, grant access |
| 03:03.42 | prolificgnosis | then do I need to set the object to the session variable? |
| 03:03.56 | JobaZ | which object? |
| 03:04.16 | prolificgnosis | well call it a user object |
| 03:04.40 | JobaZ | ic |
| 03:04.42 | prolificgnosis | which represents a username, password etc |
| 03:04.50 | JobaZ | understood |
| 03:05.02 | JobaZ | hmm... |
| 03:05.28 | prolificgnosis | so like say i have the object, when i'm about to send it back to the page |
| 03:05.37 | prolificgnosis | do i have to set it in a session variable? |
| 03:06.03 | JobaZ | Yea you can try that |
| 03:06.07 | prolificgnosis | lol |
| 03:06.09 | prolificgnosis | ok |
| 03:06.16 | JobaZ | Yea I am not an expert on that sorry |
| 03:06.37 | JobaZ | I also am here for some questions originally |
| 03:06.44 | JobaZ | But if i can, i try to help |
| 03:07.12 | prolificgnosis | thats okay, thanks |
| 03:07.42 | JobaZ | can i ask u a question my turn? |
| 03:07.59 | prolificgnosis | sure |
| 03:08.13 | JobaZ | I want to deploy a webapp on client side, is there any lightweight version of tomcat that provides support for that |
| 03:09.53 | prolificgnosis | umm you might want to look into something called geronimo (sp?) but i'm really not sure |
| 03:10.03 | JobaZ | geronimo? |
| 03:10.10 | JobaZ | is it apache stuff? |
| 03:10.30 | prolificgnosis | yeah |
| 03:10.51 | JobaZ | I will take a look at this |
| 03:30.53 | JobaZ | i went onto the website, geronimo is kinda too big |
| 03:31.45 | JobaZ | I wonder if there is any lightweight webserver which would provide only with the client side needs |
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| 07:45.02 | Fracture | hi.. I am trying to write a Valve that displays static content when a context is not availible (Context.getAvailible = false) I have this bit working, however.. I wish to swap the current request's context with an 'offline context'. The issue is that i need to lookup the 'offline context' from the current host.. how can I do that ? |
| 07:47.30 | *** join/#tomcat roxox (n=roick@p50857E9F.dip.t-dialin.net) |
| 07:47.48 | roxox | hi chan! can somebody help me with IIS 6, JK2 + tomcat please ? |
| 07:47.51 | roxox | been struggling for days /: |
| 07:50.59 | lyken | still back :) |
| 07:51.23 | lyken | which tomcat ? |
| 07:51.34 | Fracture | lyken : who you speaking to ? |
| 07:51.40 | lyken | roxox: |
| 07:51.42 | Fracture | ok |
| 07:51.47 | roxox | 5.5.12 ryken |
| 07:51.49 | lyken | sorry not sure i can help either |
| 07:51.56 | lyken | ill just point you to docs :) |
| 07:52.10 | roxox | worked thorigh dozens of tutorials ... |
| 07:52.19 | roxox | all have failed |
| 07:54.05 | Fracture | how do I resolve ObjectName instances to object instances ? |
| 07:54.25 | lyken | no idea sorry fracture |
| 07:54.39 | Fracture | ok |
| 07:55.15 | lyken | you did this roxox http://tomcat.apache.org/connectors-doc/config/iis.html? |
| 07:57.04 | roxox | yes lyken |
| 07:57.41 | lyken | i dont use iis so thats all i got for ya |
| 07:57.55 | roxox | kk |
| 07:57.58 | roxox | np |
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| 09:59.44 | sanya | Can anyone advise me how to speed up my tomcat? I've just installed it and it works very slow. |
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| 10:36.30 | sanya | My tomcat also says "Internal error: caught an unexpected exception. |
| 10:36.30 | sanya | Please check your CLASSPATH and your installation. |
| 10:36.30 | sanya | java/lang/NullPointerException" What does that mean. I'm newbie to tomcat. I need help. |
| 10:43.40 | *** join/#tomcat W_work (n=w@gw-powertech.teletopia.com) |
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| 10:45.14 | W_work | If I wish to impose security restrictions on third-party classes in a servlet, what's the best way? I think I've discovered that setting the system security manager is not it... |
| 10:45.17 | wfq | hi |
| 10:45.27 | W_work | Specifically, I want to have control over which classes can start threads or not |
| 10:45.35 | wfq | i have a problem with tomcat installation |
| 10:45.58 | wfq | i have installed gnu/debian testing in my computer |
| 10:46.43 | wfq | and i have installed apache from binary package |
| 10:47.04 | wfq | but i want to install apache-tomcat now |
| 10:47.11 | wfq | then the question is: |
| 10:48.28 | wfq | What do must i to make with binary installation? |
| 10:48.44 | W_work | wfq; what package system does debian use? |
| 10:49.05 | W_work | isn't it something like apt-get tomcat |
| 10:49.29 | W_work | the only thing you should be careful about is to assign different port numbers to the different web servers |
| 10:50.33 | wfq | W_work, then Can apache and apach-tomcat are in the same machine? |
| 10:50.46 | W_work | yes, as I said all you need is different ports to listen on |
| 10:51.12 | W_work | so for instance http://mydomain.com/ is httpd, and http://mydomain.com:81/ is tomcat |
| 10:51.23 | wfq | ok... thnaks |
| 10:52.53 | W_work | As for my problem, it seems Tomcat has its own security manager, that does useful stuff, and as such I'm wondering if there is some listener interface or something I can use |
| 10:55.46 | wfq | in stable version of debian doesn't is the tomcat debian package therefore i must compile it |
| 10:56.33 | W_work | tomcat is java, the compiled version is platform independant, as such you shouldn't have to compile anything |
| 10:58.35 | wfq | but i must to install java before that tomcat |
| 11:00.45 | W_work | probably |
| 11:01.04 | wfq | lol |
| 11:02.19 | wfq | but the tomcat package (tar.gz) only is tomcat or tomcat+java |
| 11:02.27 | sanya | hey, guys my tomcat says "Internal error: caught an unexpected exception. |
| 11:02.27 | sanya | sanya Please check your CLASSPATH and your installation. |
| 11:02.27 | sanya | sanya java/lang/NullPointerException" What does this mean? |
| 11:04.02 | W_work | that there is an error in some code that is running |
| 11:04.21 | W_work | hmm |
| 11:04.22 | W_work | perhaps not |
| 11:04.38 | W_work | do you have the full stack trace? |
| 11:05.09 | W_work | wfq: these are more general program-installation and linux questions, you would probably get better answers in a linux channel |
| 11:06.09 | wfq | W_work, thanks |
| 11:06.37 | wfq | I have everything needs but I install it |
| 11:07.53 | sanya | W_work I just get this error. |
| 11:08.04 | W_work | where do you get this error, and when? |
| 11:10.09 | sanya | I start my server. Everything seems to be okay. No errors, only INFO lines in log. But then I enter admin tool, try to set something up and it hangs. In log after "INFO: Server startup in 623474 ms" I see error as I told before. |
| 11:12.19 | sanya | and then I find out, that tomcat isn't running anymore |
| 11:26.30 | roxox | can somebody help me with IIS 6, JK2 + tomcat please ? |
| 11:59.36 | Fracture | anyone here farmiliar with the Valve system in tomcat ? I'm trying to do something tricky, and am not having any luck. |
| 12:03.56 | W_work | sanya, what is the full exact line of the error message? If that was it, what was the preceeding and following line? |
| 12:06.06 | sanya | W_work preceeding line was "INFO: Server startup in 623474 ms" and following line is "Internal error: caught an unexpected exception. Please check your CLASSPATH and your installation. java/lang/NullPointerException". that's the end of the log |
| 12:06.40 | sanya | I mean there were no errors before this one in log file |
| 12:06.43 | W_work | very wierd |
| 12:07.05 | W_work | I mean, they reference a NullPointerException, why not print it's stack trace? |
| 12:07.23 | W_work | also, have you done as the message says? |
| 12:09.21 | sanya | where is the CLASSPATH set? Later I found out, that my JAVA_HOME variable is not set (I'm on Debian distro). I'm trying to find out which package I might be missing. Looks like I've got no JDK. Can it be? |
| 12:09.41 | Fracture | I have written a Valve that gets added to a Host. Under a condition, I want to include content from a specific Context. I tried using request.getRequestDispatcher(context).include(request,response) however request.getRequestDispatcher(context) returns null. Am I heading in the wrong direction ? Should I be creating a new pipeline to achieve this ? |
| 12:10.19 | W_work | sanya, it can be. |
| 12:10.56 | W_work | Fracture, I don't have any experience with tomcat internals, but usually, when you're attempting something tricky, there's a simpler way of doing it |
| 12:11.23 | Fracture | yeah.. though, I can't seem to find the 'simple' way |
| 12:11.41 | W_work | what exactly are you trying to accomplish? asking out of curiosity |
| 12:12.57 | sanya | W_work, my tomcat installation lags. have you got any ideas why this happens? |
| 12:13.39 | W_work | sanya, not without more accurate information, no |
| 12:13.40 | Fracture | I want to handle the case were my webapps are offline, either due to being re-deployed, stopped, or starting. I want to display an offline page, with content pulled from a webap (/offline). In the valve I can do this if (request.getContext().getAvailable()) { getNext().invoke(request, response); return; } which handles the case when the context is online. Though, I dunno how to include my content from the /offline webapp |
| 12:16.10 | W_work | I see |
| 12:16.16 | sanya | I mean my pages load very slow... By the way, how can I turn off automatic context generation during startup. Can It be done at all? Tomcat starts about 5 minutes long. |
| 12:16.49 | W_work | wierd, my tomcat takes seconds to load |
| 12:16.54 | W_work | got much webapps? |
| 12:17.15 | W_work | possibly the slowness does not originate in tomcat at all |
| 12:17.17 | Fracture | its my first time going into the tomcat source.. I can get my valve to load a html file as the offline page, which will probably be fine.. though I'd like to be able to deploy the offline pages as a war |
| 12:17.29 | W_work | checked your database usage, disk load, bandwidth etc? |
| 12:18.10 | sanya | balancer, jsp-examples, ROOT, servlets-examples, tomcat-docs, webdav, xplanner, admin and manager |
| 12:18.48 | sanya | noodl, my apache works fine |
| 12:18.56 | sanya | sorry |
| 12:19.11 | W_work | and ROOT is your web app, or just the default root? |
| 12:19.23 | sanya | (what's that noodle? hm...) |
| 12:19.45 | noodl | eep! |
| 12:19.59 | sanya | ROOT is the default root. |
| 12:20.00 | noodl | I really don't taste too good, honestly :) |
| 12:20.09 | W_work | heh |
| 12:20.10 | Fracture | ROOT is the default context |
| 12:20.50 | W_work | I meant that he hadn't installed his own webapp there, rather it was the default "congratulations on installing tomcat" thing |
| 12:21.10 | Fracture | i see |
| 12:21.50 | W_work | sanya, what exactly are you running that is slow? |
| 12:21.56 | W_work | is /manager/html slow as well? |
| 12:23.06 | sanya | manager and admin are slow too. though congratulations page is slow too. at least it is slower, than apache |
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| 12:23.41 | W_work | and what's the cpu usage like? 100% while it loads? |
| 12:25.40 | sanya | I can't tell you now. cause my tomcat doesn't start at all. I'm downloading java SDK. actually I was trying to install xplanner as my webapp. |
| 12:32.41 | W_work | ok, that's the best suggestion so far, on how to stop third-party code from creating threads; idle threats |
| 12:33.18 | sanya | W_work during startup tomcat uses 55% of CPU |
| 12:34.14 | W_work | and this goes on for minutes? |
| 12:35.10 | W_work | very wierd indeed; does it do that if you don't install xplanner as well? |
| 12:39.06 | sanya | it continues generating contexts... xplanner doesn't affect tomcat significantly. |
| 12:42.31 | sanya | at last. it stopped. now tomcat is up. |
| 12:45.45 | sanya | I entered manager page. It loaded about a minute. though it didn't load CPU. |
| 12:47.09 | *** join/#tomcat wfq (i=usuario@158.49.122.121) |
| 12:47.13 | wfq | hi again |
| 12:47.37 | *** join/#tomcat randrew (n=raj@dolmen.cc.columbia.edu) |
| 12:47.45 | wfq | do tomcat have problems with apache 2? |
| 12:47.54 | wfq | do tomcat has problems with apache 2? |
| 12:49.26 | sanya | wfq it shoudn't have problems if it's on a different port than your apache |
| 12:51.48 | W_work | they are entirely separate server applications |
| 12:57.49 | *** join/#tomcat DaCypher (n=some1@fl-boca-cuda1-c2a-93.pbc.adelphia.net) |
| 13:14.47 | wfq | but tomcat listens on 8080 port |
| 13:15.08 | larry | and... |
| 13:15.21 | wfq | for exaple, http://localhost shows main page apache and http://localhost:8080 shows main page tomcat |
| 13:15.22 | wfq | no? |
| 13:15.32 | larry | yep |
| 13:16.16 | wfq | then, i don't know what http://localhost:8080 doesn't work because tomcat is on |
| 13:17.36 | W_work | neither do we, as we have even less information than you do |
| 13:17.49 | larry | good point W_work |
| 13:18.05 | wfq | ok |
| 13:18.35 | wfq | i have installed tomcat with apt-get and i have installed apache2 with apt-get in testing debian os |
| 13:19.13 | wfq | tomcat proccess name kaffe-bin for debian system |
| 13:19.38 | wfq | and i have test that those proccess are on |
| 13:19.47 | wfq | with ps -e |
| 13:20.15 | sanya | I have installed free-java-sdk and set my JAVA_HOME to /usr/lib/fjsdk, but log says "The JAVA_HOME environment variable is not defined correctly |
| 13:20.15 | sanya | This environment variable is needed to run this program |
| 13:20.15 | sanya | NB: JAVA_HOME should point to a JDK not a JRE" What's wrong? |
| 13:20.22 | wfq | i have rebooted apache2 and tomcat but http://localhost:8080 doesn't work |
| 13:21.04 | sanya | wfq I'm on Debian too :-) try to acces http:/localhost:8180. On Debian tomcat listens to 8180 port. |
| 13:21.18 | wfq | ufffffffffffffffff |
| 13:21.20 | wfq | lol |
| 13:21.22 | wfq | lol |
| 13:21.36 | larry | :) |
| 13:22.18 | sanya | wfq I had the same problem four days ago :-) |
| 13:22.55 | wfq | i'm sorry. I thought that tomcat listened on 8180 port |
| 13:23.05 | larry | by default it uses 8080 |
| 13:23.20 | larry | something else must use that on debian - maybe squid? |
| 13:24.03 | larry | proxy servers often use 8080 |
| 13:25.02 | wfq | i have installed nothing, only apache and apache-tomcat |
| 13:25.36 | sanya | guys, where do I find JDK. How do I know where JDK files are located on my machine. I need to set my JAVA_HOME.Pls. |
| 13:25.49 | larry | wfq, it wouldn't matter - the packagers don't know that, so they change the port to avoid conflicts |
| 13:26.13 | wfq | but the browser are hopping for main page tomcat |
| 13:26.45 | larry | sanya, in $JAVA_HOME, usually there is a lib/tools.jar |
| 13:26.53 | larry | is that the case with yours? |
| 13:27.07 | wfq | sanya do you use debian os? |
| 13:27.20 | larry | ls $JAVA_HOME/lib/tools.jar |
| 13:27.37 | sanya | wfq if you want to have tomcat up and running for sure you have to install tomcat5, tomcat5-admin and tomcat5-webapps |
| 13:27.50 | sanya | wfq yes I use Debian too :-) |
| 13:28.00 | wfq | ok |
| 13:28.23 | larry | i have yet to find a linux dist that does java well |
| 13:28.30 | wfq | sanya, you can to do a ln -s /$HOME_INSTALL__Java/bin/java* /usr/bin/java* |
| 13:28.36 | wfq | do you understand? |
| 13:28.44 | larry | the package managers always seem to bugger it up |
| 13:28.46 | wfq | i have did this |
| 13:29.36 | sanya | wfq what do you mean? |
| 13:29.38 | wfq | sanya, I have tested that thoses three packages are intalled |
| 13:29.42 | wfq | for example |
| 13:30.13 | wfq | i have do/make (I don't know because i am spanish) ln -s /usr/local/java/bin/java /usr/bin/java |
| 13:30.50 | wfq | then i have java for every users |
| 13:31.24 | sanya | wfq oh. I see. And then JAVA_HOME should work if I point it to /usr/bin/java? |
| 13:31.42 | wfq | yes |
| 13:33.26 | sanya | wfq problem is that I don't have /usr/local/java! |
| 13:33.27 | wfq | you can test it typing java in any folder of system... if java is well installed then the system shows help java |
| 13:33.27 | wfq | sanya, is same |
| 13:33.32 | wfq | when i say /usr/local/java, i refer at your installation folder |
| 13:35.17 | sanya | wfq yes. java is installed. I've got it in command line. I also have /usr/bin/java. Should I symlink it to /usr/local/java/bin/java? |
| 13:38.36 | wfq | i don't understad sanya |
| 13:39.07 | wfq | can you repeat it by other way? I am spanish, i'm sorry |
| 13:39.37 | wfq | symlink? what is it? |
| 13:39.43 | wfq | i'm sorry |
| 13:40.05 | sanya | symlink is short for 'symbolic link' - ln -s' |
| 13:40.19 | wfq | ah ok, i'm sorry |
| 13:41.04 | wfq | ok you have to write ln -s /$HOME_JAVA/bin/java /usr/bin/java |
| 13:42.34 | wfq | you can do it wiht others commands like javac, javadoc, etc... |
| 13:42.41 | wfq | with, excuse me |
| 13:43.07 | wfq | every commands are in /$HOME_JAVA/bin |
| 13:43.25 | sanya | but my /usr/bin/java is a symbolic link to /etc/alternatives/java. what should I do in such case? |
| 13:45.21 | wfq | but if you type java in any folder and it shows help hava then you don't must to more |
| 13:46.14 | wfq | to do more |
| 13:46.53 | sanya | but where should JAVA_HOME point to? |
| 13:47.30 | wfq | where have you installed java? |
| 13:49.13 | wfq | sanya I will go to eat... |
| 13:54.25 | *** part/#tomcat randrew (n=raj@dolmen.cc.columbia.edu) |
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| 14:20.19 | *** join/#tomcat dreivier (n=dreivier@port-212-202-43-109.dynamic.qsc.de) |
| 14:20.52 | *** join/#tomcat matt_ (n=matt@trottski.plus.com) |
| 14:22.28 | matt_ | How can I limit the number of java process started by tomcat? (I'm using 5.5, Apache2 via AJP) |
| 14:23.29 | matt_ | I'm looking through the docs now, but is it something I've got to change in my init script? |
| 14:25.57 | matt_ | after running /etc/init.d/my-webapp start I get 20 process created initially |
| 14:32.59 | sanya | hey, guys. my tomcat uses 98% of CPU during the loading of admin tool page. but not any process, displayed in top, use even 1% of CPU. I urgently need help. |
| 14:54.42 | W_work | ps: Tomcat default port is 8084 here |
| 14:55.17 | W_work | matt_, each of those processes is a java thread I think |
| 14:55.30 | W_work | ie all the httpprocessor thread thingies |
| 14:55.39 | matt_ | W_work: any idea how to limit them? |
| 14:55.51 | W_work | it's a config setting somewhere |
| 14:55.55 | larry | look in server.xml |
| 14:56.00 | W_work | think there's an example in the default server.xml |
| 14:56.06 | larry | $CATALINA_HOME/conf/server.xml |
| 14:56.48 | matt_ | ok, I've tried <Connector port="8102" protocol="AJP/1.3" enableLookups="false" minProcessors="3" maxProcessors="5" /> |
| 14:57.13 | W_work | tried? |
| 14:57.15 | matt_ | but I'm pretty sure that isn't right |
| 14:57.30 | matt_ | it made no difference |
| 14:57.34 | W_work | hang on let me check my file |
| 14:58.10 | W_work | I have <... maxSpareThreads="75" maxThreads="150" minSpareThreads="25"> |
| 14:58.26 | matt_ | in Connector? |
| 14:58.32 | W_work | yes |
| 14:58.52 | W_work | sorry meant to write <Connector ... maxSpareThreads="75" maxThreads="150" minSpareThreads="25"> |
| 14:59.11 | matt_ | thanks |
| 14:59.15 | matt_ | I'll try now |
| 15:01.10 | matt_ | W_work: what -Xmx setting do you use? |
| 15:01.32 | matt_ | (in your init script) |
| 15:01.45 | larry | depends on how big the site is |
| 15:02.28 | larry | becareful about setting -Xms too big - i have seen that kill startup times |
| 15:03.01 | larry | are you expecting 10s of users, or 1000s? |
| 15:03.07 | matt_ | larry: 10s |
| 15:03.31 | larry | do you use sessions alot? |
| 15:03.41 | matt_ | nope |
| 15:04.03 | larry | how much RAM in the box? |
| 15:04.08 | matt_ | 1G |
| 15:04.16 | W_work | export JAVA_OPTS="-Xmx256M -Xms256M -Xmn50M" |
| 15:04.46 | W_work | the box never goes down tho |
| 15:05.31 | matt_ | W_work: ta |
| 15:05.46 | larry | W_work, what is Xmn? |
| 15:06.06 | W_work | I don't remember at the moment |
| 15:06.10 | larry | matt_, 256M is prolly good, yeah |
| 15:06.16 | larry | i don't see it in the help |
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| 15:06.48 | larry | matt_, i'd set -Xms=64M |
| 15:06.53 | W_work | ah yes, size of the heap for short-lived objects |
| 15:07.08 | larry | hm, interesting |
| 15:07.14 | matt_ | larry: what's the default? |
| 15:07.17 | larry | there are sooo many VM tweaks :) |
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| 15:07.27 | matt_ | larry: for -Xms |
| 15:07.50 | larry | heh, matt_ :) |
| 15:07.51 | larry | 64M |
| 15:07.53 | larry | hahaha |
| 15:08.15 | W_work | heh |
| 15:08.42 | larry | W_work, do you tweak GC? |
| 15:08.47 | W_work | nope |
| 15:09.16 | W_work | haven't seen the need yett |
| 15:10.10 | larry | me either - i have played w/ it, but never saw a profound difference |
| 15:10.21 | matt_ | I've now got, <Connector port="8102" protocol="AJP/1.3" enableLookups="false" maxSpareThreads="4" maxThreads="5" minSpareThreads="1" /> |
| 15:10.36 | larry | i have seen that changing client & server options can make a difference |
| 15:10.48 | matt_ | after stopping this app, I get 92 from `ps ax | grep java | wc -l` |
| 15:11.03 | larry | any other connectors matt_ ? |
| 15:11.05 | matt_ | 111 once started :( |
| 15:11.14 | matt_ | larry: nope |
| 15:11.14 | larry | 8-O |
| 15:11.19 | larry | hmmm |
| 15:12.00 | matt_ | larry: I'm running 2 other tomcats, that make up the first 92 (both just using ajp/1.3) |
| 15:12.04 | W_work | heh that's quite a lot |
| 15:13.03 | matt_ | W_work: yep, 3 process would be nice ;) |
| 15:13.26 | larry | i get 3, but that is a clean, default setup |
| 15:13.53 | matt_ | larry: my server.xml is the minimal version |
| 15:15.10 | matt_ | all that is defined is the one connector |
| 15:16.27 | larry | hm |
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| 15:20.45 | W_work | matt_, have you considered NPTL or NPTL? |
| 15:20.59 | W_work | err |
| 15:21.14 | W_work | NPTL or NGPT that is |
| 15:21.42 | matt_ | W_work: changing the threading type? |
| 15:23.55 | W_work | yeah |
| 15:24.38 | matt_ | W_work: I haven't, but would that make much difference? (also, how'd you do it? ;) |
| 15:26.17 | W_work | Running suse 9.3, the default kernel has NPTL |
| 15:26.48 | W_work | it's faster of course, but how much I do not know |
| 15:27.15 | W_work | and of course, your ps listing is cleaner :p |
| 15:29.17 | matt_ | W_work: how do I make sure I'm using native threads? |
| 15:40.19 | W_work | well to be absolutely positiviely sure, compile your own kernel |
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| 16:08.49 | *** join/#tomcat randrew (n=raj@dolmen.cc.columbia.edu) |
| 16:12.24 | W_work | how can I programatically find out which directory tomcat uses for temporary files (in this case, file uploads before they are read/moved/whatever)? |
| 16:12.30 | W_work | it's not system.io.tmpdir |
| 16:12.38 | W_work | which kind of messes up my code |
| 16:13.22 | W_work | (feel free to answer this question the next 24 hours, I'm going home now but will still be wondering tomorrow if noone have answered) |
| 16:13.24 | lyken | i thought it was in prolly the cache dir of tomcat |
| 16:13.49 | larry | i'd guess it's work or tmp dir |
| 16:14.42 | W_work | $catalina_home/temp on this box |
| 16:14.59 | W_work | but do I really have to read out the environment variable? |
| 16:15.28 | lyken | what are you trying to do? |
| 16:15.37 | W_work | working on a security manager |
| 16:15.43 | W_work | want to know where to grant write access |
| 16:16.29 | W_work | anyway, home |
| 16:44.43 | FreemaniaX | hey larryBoy |
| 16:45.55 | larryBoy | hey |
| 17:02.37 | *** join/#tomcat NorthDragon (n=IzhikovN@213.251.192.43) |
| 17:03.00 | larryBoy | well, here thar be dragons |
| 17:03.09 | larryBoy | who'd a thunk it? |
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| 17:18.53 | a4akb | anyone worked with wsdl files |
| 17:20.38 | a4akb | alo |
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| 18:00.03 | aliquis | Could someone point me to a good page which explains how to set up tomcat together with apache to be able to run jsp and java servlets? I know how to set up apache on it's own or with modules such as php, but I've never made or used any servlets so all that is very new to me. I could have used premade packages (don't know if that would help thought) if it wasn't that I want to run apache inside a solaris zone and ... |
| 18:00.10 | aliquis | ... therefor have to build it in a directory and with a configuration of my choice. I tried to follow http://www.linuxjava.net/howto/webapp/ but then I try to start apache nothing happens and I don't get any logfiles or anything so I'm quite stuck with WHAT really happens (or why nothing happens to be more correct.) |
| 18:01.52 | *** part/#tomcat NorthDragon (n=IzhikovN@213.251.192.43) |
| 18:06.47 | linuxfreck | aliquis: if you can, use the tomcat http connector rather than apache |
| 18:08.59 | aliquis | sure i can, but i have no idea what it is and how to do, i just presumed you used apache :) |
| 18:09.36 | aliquis | http://www.coreservlets.com/Apache-Tomcat-Tutorial/ is just changing port to 80 enough to make it work you say? |
| 18:10.20 | linuxfreck | well |
| 18:10.37 | linuxfreck | the problem is that only root can use ports < 1024 on unix systems |
| 18:11.13 | linuxfreck | so if you want tomcat http on port 80, you have to start it using jsvc or redirect port 80 to port 8080 using a firewall software |
| 18:13.47 | aliquis | is it any problems with that? like security issues or something? or why would i care? But sure I have no trouble to forward the port either. |
| 18:14.23 | aliquis | Anyway are there a guide somewhere on how to setup tomcat enough to just get an hello world servlet running or something? |
| 18:14.26 | linuxfreck | in running tomcat as root? |
| 18:14.34 | aliquis | yes |
| 18:14.38 | paq | do not run tomcat as root |
| 18:14.42 | linuxfreck | well, depends |
| 18:14.50 | paq | do not run anything as root unless you absolutely have to |
| 18:14.54 | linuxfreck | it opens a few attack vectors |
| 18:15.08 | linuxfreck | shouldn't be that much of a problem if you run it inside a zone |
| 18:15.10 | aliquis | apache separetes it's server functionallity from the listeners? |
| 18:15.12 | paq | no, it doesn't depend. DO NOT RUN IT AS ROOT. |
| 18:15.19 | aliquis | or how can it run as user nobody but listen on port 80? |
| 18:15.50 | paq | aliquis, it binds the port, then drops privileges and changes uid |
| 18:15.52 | aliquis | paq: well as i said i have no problem with forwarding the port either, i just wanna know how to set it up since i can't find any decent documents on how to do it |
| 18:15.54 | linuxfreck | aliquis: apache httpd starts as root then drops its privileges and uses another account (typically wwwrun) |
| 18:15.57 | aliquis | paq: k |
| 18:16.07 | linuxfreck | you can do the same in tomcat using jsvc |
| 18:16.07 | paq | aliquis, http://jakarta.apache.org/commons/daemon/jsvc.html |
| 18:16.50 | linuxfreck | you can start as root and then trust on the java security manager, too. http://tomcat.apache.org/tomcat-5.5-doc/security-manager-howto.html |
| 18:16.58 | paq | linuxfreck, DO NOT DO THAT |
| 18:17.00 | *** join/#tomcat bdc344 (i=bdc34@rrdhcp56-394.redrover.cornell.edu) |
| 18:17.26 | paq | is that so hard to grasp, DO NOT RUN AS ROOT. |
| 18:17.36 | aliquis | http://tomcat.apache.org/tomcat-5.5-doc/setup.html so if i just move tomcat and run that that will be enough to host whatever in "mywebapp" or whatever the name was on port 8080? |
| 18:17.38 | linuxfreck | why, most arguments are religious |
| 18:17.46 | paq | linuxfreck, no, they are real. goddamnit. |
| 18:17.53 | linuxfreck | so, which are these? |
| 18:18.22 | paq | linuxfreck, when you run as root even minor bugs can compromise your whole box. remember? |
| 18:18.23 | aliquis | linuxfreck: doesn't matter since i have no problem forwarding the port, as i said :) |
| 18:18.42 | linuxfreck | aliquis: if you do what it says on the unix daemon, you can run as root on port 80 then drop privileges |
| 18:18.51 | aliquis | paq: well in a zone it would only compromise the tomcat zone anyway |
| 18:19.01 | paq | aliquis, what "zone" are you talking about? |
| 18:19.10 | linuxfreck | paq: we were talking about the security manager and solaris zones |
| 18:19.19 | paq | *sigh* |
| 18:19.32 | linuxfreck | I trust the security manager more than local system security, especially on linux |
| 18:19.37 | aliquis | but doesn't matter anyway |
| 18:19.38 | aliquis | ;) |
| 18:19.54 | paq | well, skipping the most basic security measure is just braindead |
| 18:20.03 | paq | no matter how many levels of defense you have |
| 18:20.09 | aliquis | just "how do i get tomcat serving whatever webpages (and let servlets use postgresql if that requires any more work) |
| 18:20.42 | paq | aliquis, download, untar, run startup.sh be done |
| 18:20.47 | aliquis | k |
| 18:20.51 | aliquis | thanks =P |
| 18:21.07 | paq | make sure to do that on a host that's not exposed to the interweb... |
| 18:21.12 | aliquis | can it serve regular webpages to? |
| 18:21.13 | linuxfreck | aliquis: the connecting to postgres part depends on the webapp |
| 18:21.24 | linuxfreck | aliquis: sure |
| 18:21.50 | aliquis | i guess i could run an apache port 80 zone at say 192.168.1.101 and tomcat port 8080 at 192.168.1.102 and then just switch urls between them in whatever way i want |
| 18:21.53 | aliquis | k |
| 18:21.54 | aliquis | thanks |
| 18:22.13 | aliquis | instead of trying to "link" the two |
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| 18:49.22 | gorpon___ | Hi what's the preferred apache proxying module these days? |
| 18:50.41 | gorpon___ | nevermind sorry lazy/dumb question |
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| 19:06.03 | aliquis | paq: heh, what you said worked, very convenient for sure :) |
| 19:06.30 | aliquis | paq: i never thought it could be so easy because i just expected you used apache http and so on aswell |
| 19:07.25 | a4akb | So anyone worked on WSDL? |
| 19:15.09 | *** part/#tomcat codejunky (i=nobody@server1.mtsoft.de) |
| 19:30.36 | aliquis | are there any real reason for running tomcat from apache http? |
| 19:40.45 | linuxfreck | aliquis: if you want to load balance or have several tomcat instances run with the same url or use php on the same ip/port |
| 19:41.25 | aliquis | k |
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| 22:16.55 | altlinux | hello |
| 22:17.20 | Pikshi1 | why jboss gives 403 on *.html files? |
| 22:17.41 | Pikshi1 | i am trying to http://my.site.com/path/to/file/file.html |
| 22:20.38 | Pikshi1 | and apache gives - not found |
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| 22:31.06 | tomas- | i'm trying to download tomcat in binary format, but I see several files available... apache-tomcat, apache-tomcat-admin, apache-tomcat-deployer, etc.... do i need all of them? |
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| 23:14.48 | flan | I am trying to run tomcat and it says that my JAVA_HOME env isn't set. it is.... I echo $JAVA_HOME and it gives me back the correct directory... can someone give me a hand?? |
| 23:18.05 | larryBoy | is there a $JAVA_HOME/lib/tools.jar file? |
| 23:20.17 | flan | I will look thanks, |
| 23:21.01 | flan | nope there isn't |
| 23:21.13 | larryBoy | are you sure you have a jdk, and not just a jre? |
| 23:21.41 | larryBoy | sun's jre does not have that file, but their jdk does |
| 23:22.31 | flan | ok I must have dl'd the wrong thing |
| 23:23.51 | flan | may I pm you? |
| 23:24.58 | larryBoy | sure |
| 23:45.44 | map7 | I keep getting 'Address already in use' when restarting my tomcat. I'm running a unix OS and have tried finding it in 'ps -a' put there is no listing of tomcat or java running. How do I shut it down? |
| 23:45.59 | larryBoy | kill -9 |
| 23:46.04 | larryBoy | :) |
| 23:46.21 | map7 | on which PID though? |
| 23:46.38 | flan | ps -ef |grep tomcat |
| 23:46.58 | map7 | nothing |
| 23:47.04 | map7 | comes up |
| 23:47.09 | larryBoy | grep java |
| 23:47.41 | flan | ooops sorry |
| 23:48.23 | map7 | i've done a ps -wax | grep java and there are a few |
| 23:48.29 | map7 | i'll kill them now |
| 23:48.47 | map7 | i thought it would be tomcat or something |
| 23:48.55 | map7 | that i would have to search for |
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