IRC log for #tomcat on 20100618

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00:36.11puffjasonb: I wouldn't mind taking you up on that, though I feel like they should be gettable... this isn't private information or anything, after all.
00:36.47puffjasonb: But I guess I should focus on getting the darn thing up and running and providing value, before I go into a tizzy about getting the full archive.
00:47.02jasonbpuff: It is free data.. for anyone who wanted to gather and archive it.  :)
00:52.53puffjasonb: Lemme put it this way... if the apache project has a copy of the data, how is it consonant with open source ethics to not provide it?
00:53.22puffjasonb: Or, alternately, I would be within my rights to scrape it from gmane, etc.
00:53.47puffjasonb: Since they don't own the copyright on the data.  At most, they can own the format copyright, but since I'm expressly disinterested in their format...
00:59.05puffjasonb: Ah... http://gmane.org/export.php
00:59.15puff200K messages, yeesh.
01:06.00jasonbooh, export..
01:06.05jasonbIt's only 200k messages?
01:06.15jasonbFor which one, tomcat-dev or tomcat-user?
01:07.22jasonbThe data should indeed be actually free, and I can't imagine sites like gmane or others not expecting people to scrape it if they don't offer an export feature.
01:08.26jasonbI have no idea if ASF archived these lists or not, going all the way back.  I know they do have their own web mailing list web UI site .. I've used it at times.  I don't remember the URL.
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05:16.44lampmorning (or more pleasent time of the day)
05:19.44lampquestion regarding uniworkermap (using that instead of JkMount due to certain extension), I have 2 workers, how do I map all requests to be loadbalanced between them? is it:
05:21.15lampin workers conf: 'worker.balancer1.balance_workers=worker1,worker2' + uriworkermap configuration '/*=balancer1' or is there something else to consider?
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06:31.06freddUsing tomcat-6.0.18, jdk1.6.0_20 and Windows 7 32. Im running Liferay bundled with tomcat. When I try to start my server, errors appear that classes are missing, though the .jar-file containing the classes exists, and it shouldnt be there. me and a guy next to me has everything working, and I have it configured EXACTLY the same, but the errors appear. I belive there could be some environment problem outside tomcat, but have no clue of what. Ideas?
06:31.52freddi.e. the errors shouldn't be there, because the classes exists, in the right place.
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08:31.41raddyHello Everybody
08:32.28puffraddy: Helo.
08:32.36raddyI am getting java.net.BindException: Address already in use
08:32.52raddyEventhough there is no java process that uses the port.
08:32.57raddyPlease help./
08:33.01puffraddy: That indicates that _something_ is using a port tha ttomcat uses.
08:33.11puffraddy: netstat -nlp
08:33.17raddyokkk
08:33.43puffraddy: Tomcat uses 4 ports, by default.  See http://www.darksleep.com/notablog/articles/Tomcat_Admin_Jumpstart
08:34.29puffraddy: 8080, 8443, 8005, 8009.
08:36.01raddyOhhh okk
08:37.47raddypuff: I found one java process using that port. how to check it's pid?
08:38.23puffraddy: netstat -nlp should show you what process id is using that port.
08:38.34raddypuff: okkk
08:38.36puffraddy: Also possibly ps -ef
08:40.13puffraddy: It's almost 5am here, I am going to bed, soon.
08:40.25raddypuff: Now, netstat -nlp | grep 8080 shows no output.
08:40.45raddypuff: So if i restart tomcat, it should not show that error right?
08:40.48puffraddy: Howabout netstat -nlp | fgrep -i 8443, etc?
08:41.03puffraddy: Depends on whether or not some proecss is holding onto that port.
08:41.03raddypuff: What i shall i do if it shows the error again.
08:41.20puffraddy: The error indicates that _something_, either an old tomcat process or something else, is holding onto one of thouse four ports.
08:41.46puffraddy: netstat -nlp should show you all ports that are "listening" (the -l is for listen)"
08:42.13puffraddy: What OS, btw?
08:42.33raddypuff: linux, centos.
08:42.47puffraddy: Linux is good.  Don't know much about centos :-).
08:43.03puffraddy: Okay, so... netstat -nlp shows what?
08:43.34raddypuff: I got lot of output. shall i look under "Active Unix Domain sockets" alone?
08:43.39puffraddy: If netstat -nlp does not show any processes listening on ports 8080, 8443, 8005 or 8009, you should be godo to restart tomcat.
08:44.34puffraddy: I'm not sure about "Active Unix Domain sockets".  First, check for ports 8080, 8443, 8005 and 8009.
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08:44.59raddypuff: We are rebooting the server.
08:45.17raddypuff: We can totally avoid the issue by doing that.
08:45.44puffraddy: Sure... if nothing else is interfering.
08:46.02puffraddy: Rebooting the server _might_ be necessary, if you have a zombie process holding onto those ports.
08:46.19puffraddy: It would be wise to determine what the problem is, before rebooting.
08:46.21raddypuff: Ohhhh
08:46.23pawelzkilling their parrent process should be enough
08:46.37pawelz(I mean in case of zombie attack)
08:46.38raddypawelz: ohh ok..
08:46.46puffpawelz: Hey, calm down, I'm trying to get him to just look at the output of netstat -nlp, for starts :-)
08:46.56pawelzoh, sorry :)
08:46.59puffpawelz: But thanks for the advice re: parents.
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08:47.52puffraddy: If all four of those ports are unoccupied, you should be able to restart tomcat.
08:48.20raddypuff: okk.
08:48.34raddypuff: we will try that after rebooting.
08:48.36puffraddy: If one of those ports is occupied, sort out why.  If it's another app, change your port configs to avoid conflict.  If it's an old instance of tomcat, kill it.
08:48.45puffraddy: If it resists killing, try kill -9 on it.
08:48.56puffraddy: If it's a zombie process, kill the parent process.
08:49.01puffraddy: If none of those work, reboot.
08:49.31puffraddy: But, be aware, if you just reboot and restart tomcat, without figuring out why the probelm arose to begin with, you'll just be sorting this same problem out, later.
08:50.04puffpawelz: Okay, so, I'm going to bed.  Over to you.
08:50.11raddypuff: thank you for your suggestions, till now we didn't had a port conflict at all. and java process was not running while the port conflict was there, so we are not sure how out-of-blue a port conflict can occur with non-java app.
08:50.23raddypuff: Good bye
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08:51.14puffraddy: Step one s to look at netstat -nlp and ps -ef.   Can't make any progress without looking for clus.
08:51.20puffraddy: G'night.
08:51.35raddypuff: good night
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09:45.47la_89ondevgHello everybody
09:46.17la_89ondevgCan anybody tell me is there any service provide by tomcat for irc client usage?
09:47.14la_89ondevgI mean using it to connect channels something like jars for making jdbc odbc connection
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10:01.14durrehi! we upgraded tomcat from 5.0 to 5.5. now all logmessages also end up in /var/log/syslog ... is there a way of turning this off?
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10:01.50snimavatcan any one give me the url for tomcat 7 download
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13:49.14aharthhi is there any way of mapping a hostname (via apache2 and tomcat6) to a webapp?
13:49.46aharthe.g. webapp is webapp/ and i want http://webapp.example.org/ to point to the webapp/ ?
13:50.04aharthi.e. have the webapp mapped to the root directory of a virtual server?
13:51.51deeboyes
13:51.53deebo<Host>
13:51.58deebogo read the manual
13:52.33aharthok cool will check
13:53.48aharthdoes that work in conjunction with mod_jk?
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13:58.13ahartheasiest for mapping would be to have one connector *per webapp* rather than per tomcat instance
14:21.54aharthdeebo: thanks that <Host> thingie worked, even via mod_jk
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16:39.22LzrdKingYAY! i just bought more insurance, so push me down the steps on July 1!
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19:47.59yshavithi all. I'm getting a LinkageError in my tomcat project at runtime. When I look at the war file, it's got web-inf/lib/servlet-api.2.5-jar *and* web-inf/classes/javax/* .  When I delete the latter, things work fine. Is this a problem in my pom file? Tomcat version 6.0.26, java 1.6.0_18 (64), Ubuntu 10.04
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20:08.06KarenHello All
20:08.58KarenIs it feasible to run multiple instances of tomcat on same machine and then setup session repliction?
20:09.04Karenwill it work?
20:11.34selckinsure why not
20:12.11KarenHey selckin! can you please elaborate it a little
20:12.32Karendo I need multiple IPs on the same machine?
20:12.37Karenvirtual IP addresses
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20:30.28IvoryZionKaren: You could setup virutal IP addresses or you could run Tomcat instances each in their own JVM and change the port bindings.  
20:32.53KarenI will opt the second option - different port bindings
20:33.19KarenAlso, is it possible to construct a load balancer for tomcat using Apache mod_jk?
20:33.44Karenso that different applications will be configured in different tomcat containers and the requests would be handled by mod_jk
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20:41.46IvoryZionI'm would guess it's possible, however I've never tried it.
20:42.50selckinwhy do you think this wouldn't be
20:46.58IvoryZionselckin, what/
20:54.26yshavitis there a way to manually override a dependent module and say "do *NOT* put XYZ package in my WEB-INF/classes/* " ?
20:55.58deeboyes, at compile/build time
20:57.45yshavitdeebo: how do I do that with maven? Somebody's putting javax.servlet.* classes into my war, and it's breaking me
20:58.21deebo<scope>provided</scope>
20:58.31yshavitI have that :(
20:58.40deebothen youre doing it wrong
20:58.46deeboand tomcat should refuse to load those anyhow
20:58.57yshavitI did mvn clean install with -X, and the debug said that it's going from compile to provided
20:59.03yshavitbut then it gets packaged in
20:59.28yshavithm.  Refuse them how? It's giving me a linkage error at runtime.
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22:21.27puffjasonb_: Blargh... so, just downloaded the most recent 1K messages.  Took 7.6 megs.  Times 200K messages, that's 1.5 terabytes.  For one mailing list :-).
22:23.19jasonb_puff: It is actually a very high traffic mailing list, over ten solid years.. I'm not at all surprised.
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