IRC log for #tomcat on 20101026

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02:12.28krisdotcaHi There. I have Tomcat 6 installed with Java 6 (java-6-sun-1.6.0.22) on Ubuntu 10.04.1 LTS. The web app that I installed seems to be starting up fine but I can't browse to it using the external IP (http://66.96.223.90:8080/webappname). I've checked and port 8080 is open but nothing is appearing. Is there something that I need to do to cause Tomcat to server applications on the external IP address?
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02:26.56krisdotcaHi There. I have Tomcat 6 installed with Java 6 (java-6-sun-1.6.0.22) on Ubuntu 10.04.1 LTS. The web app that I installed seems to be starting up fine but I can't browse to it using the external IP (http://66.96.223.90:8080/webappname). I've checked and port 8080 is open but nothing is appearing. Is there something that I need to do to cause Tomcat to server applications on the external IP address?
02:34.39karstensragemodify your firewall
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05:58.55deebocan you set Resources for a <Host> element?
05:59.09deeboi have some apps loading  a hosts appbase
05:59.16deeboand i need to create a resourcelink for all of them
06:00.37deeboor is there some way i could have all contexts have a resourcelink to a shared jndi datasource?
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07:06.51TerryI use Tomcat 6.0.29,who can tell me the "trusted" and "privileged" what are difference in Context?
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07:13.33TerryÄÇλ´óÏÀÄܸæËßÎÒ£¬ÔÚTomcat 6.0.29 µÄContext ÔªËصÄÊôÐÔÖеġ°privileged¡±ÊÇÉèÖÃWEBÓ¦Ó÷ÃÎÊTomcat ÄÚ²¿¶ÔÏóºÍÀàµÄȨÏÞ£¬"trusted"ÓÐʲôº¬Ò壿
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11:53.17mib_moknschi@ all
11:53.50mib_moknscis there a free management pack for system center operations manager ?
12:00.20mib_moknschello?1
12:06.02mib_moknsctomcat: 6.0.29 , Java:1.6.0_18, OS: W2k3 R2 x64
12:07.46mib_moknscis no one here who can help`!
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14:57.41brianVHi all. Is it possible to add, remove, or update tomcat contexts without restarting tomcat?
15:16.36pborobrianV, yes, you can install and uninstall applications dynamically
15:17.09brianVpboro: What does that take? Can I just create a new context file and have it take?
15:18.35pboroyou can use for example Manager for that, see http://tomcat.apache.org/tomcat-6.0-doc/manager-howto.html
15:21.12brianVpboro: hmm... that isn't exactly what I had in mind. I am running an EC2 instance with Solr. We have several indexes that we need to swap in and out on the fly. The indexes are stored on EBS drives
15:21.39brianVpboro: so the solr.war and the docbase would be on this ebs drive
15:21.55brianVI'm not sure if manager will handle loading that up at the specific paths we need
15:22.28pboroyou did not mention EC2 in your original question
15:22.53brianVpboro: I should have. Sorry :)
15:23.02pboroI have no idea what kind of implications it brings to this... :)
15:24.02brianVpboro: however, the link you showed has a section 'Deploy using a Context configuration ".xml" file
15:24.15brianVthat looks like it can do it, if we pre-define the context XML
15:25.03pboroSolr looks cool, didn't know of it
15:25.29brianVpboro: it's pretty cool. I am doing some playing with it for our org
15:25.43brianVpboro: just loaded 400k documents from wikipedia into it on an EC2 small instance
15:25.56brianVsearches complete in ~385 milliseconds
15:26.05brianVwith cold caches
15:27.48pboronice, thanks for the info :)
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17:31.52idletaskHello
17:32.17idletaskI have a strange problem with Tomcat 6.0.29, Sun's JRE 1.6.0.22
17:34.36idletaskhttp://paste.pocoo.org/show/281826/ <-- that's the pastebin showing tomcat logs from the start
17:34.59idletaskAs the user running Tomcat, I can cd into WEB-INF/lib for the webapp and I can read activation.jar
17:35.03idletaskSo, what is the problem?
17:35.28idletaskI should mention that it is a symlink to a jar which is not in the webapp root, if that can help
17:36.11puffidletask: Before I take a look at your pastebin, I'll guess that there's something wrong with the classpath.
17:36.44idletaskpuff: there isn't
17:37.04idletaskAs I said, the user running Tomcat can access it just fine
17:37.24idletaskIt must be a symlink problem, I think
17:38.09idletaskTomcat starts OK, it just can't deploy even though the user can read it
17:38.30puffOkay, took a look at your pastebin... note that the "failure to access" is caused by a "Resource activationetc.jar not found" error.
17:38.54puffSymlink?  Is WEB-INF/lib/activationetc.jar a link?
17:39.16puffoh wait, this is a JNDI thing, isn't it?
17:39.26idletaskNo, no JNDI implied
17:39.33idletaskAnd yes, it is a symlink
17:39.41idletaskAnd no, I don't have a context file :/
17:39.48puffIt's supposed to be in common/lib, not WEB-INF/lib.
17:40.11idletaskpuff: it's bundled with the application
17:40.16puffVEry odd.
17:40.21puffWhat's it being used for?
17:40.31puffHow well do you understand java and tomcat classloaders?
17:40.35idletaskNo idea, but it's just there... Works OK with Tomcat 5
17:40.47idletaskNot very well, it seems
17:41.17puffBasically, there are several scopes... WEB-INF/lib is visible to the single webapp, tomcat/common/lib is visible everywhere in tomcat.
17:41.43puffAlso, check your old tomcat5 install and see if it had an activation.jar in common/lib.
17:42.34puffAs an example, with connection pools (DBCP), even if only one webapp is using the connection pool, tomcat still needs access to the jdbc driver jar, so it can create the pool objects and stick them in the pool, where teh webapp will pull them from.
17:43.42idletaskOK, found!
17:43.47puffYeah?
17:43.59idletaskBy default, allowLinking is set to false
17:44.04puffAh-hah!
17:44.15idletaskMy context.xml in the configuration directory didn't have it set...
17:44.21idletaskSo...
17:44.23idletaskUser error
17:44.25idletaskAgain
17:44.28puffCool, go for it.
17:44.30puffEh.
17:44.42idletaskNow it deploys OK
17:44.46puffUltimately, everything is traceable to human error.  Just depends which human :-)
17:44.50puffCool, good luck.
17:45.09puffI'm going to eat lunch now.  Back in twenty.
17:45.32idletaskThanks for your patience !
17:55.38*** join/#tomcat CinelerraUser_10 (~lenzer@ml-user.cpl.org)
17:57.26CinelerraUser_10Tomcat 6.0.29
17:57.26CinelerraUser_10Java Development Kit 6
17:57.27CinelerraUser_10Ant 1.8.1
17:57.27CinelerraUser_10OS: HP-UX 11.11 (PA-RISC)
17:58.22CinelerraUser_10I've been tasked with building Tomcat 6.0.29 on one of our HP-UX servers.  There is apparently no newer supported binary distribution of Tomcat for HP-UX than version 4.
18:00.06CinelerraUser_10I ran 'ant download' and it completed successfully.  But when I try to running 'ant' I get eleven errors stating "cannot find symbol" and build fails.
18:01.05CinelerraUser_10JAVA_HOME and ANT_HOME are defined:
18:01.05CinelerraUser_10JAVA_HOME=/opt/java6
18:01.05CinelerraUser_10ANT_HOME=/usr/local/ant (a symlink pointing to /usr/local/apache-ant-1.8.1)
18:01.27CinelerraUser_10I did not define CLASSPATH since it was suggested that this causes more headaches than not.
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18:13.35puffCinelerraUser_10: Odd... tomcat is mostly pure java.
18:13.45puffCinelerraUser_10: There are a few optional bits that are native.
18:14.07puffCinelerraUser_10: So if you have java working, you should be able to get tomcat working pretty easily.
18:14.09CinelerraUser_10I was thinking the same thing.
18:14.20puffCan you pastebin the errors?
18:14.26puffAlso, why do you need ant to run?
18:14.38puffThat is, you should be able to just download and unpack tomcat somewhere... set the right env variables, and start it.
18:14.49puffWhat are you rying to do with ant?
18:15.00puffTomcat's startup scripts will set up its own classpath, etc.
18:15.27CinelerraUser_10I'm new to Tomcat...  There are no binary downloads for Tomcat 6 on HP-UX that I'm aware of.  So it looks like I needed to build it from source.
18:15.57puffNo, no....
18:16.00CinelerraUser_10The build is what I was trying to do and what failed.  However, if there is a binary for Tomcat 6 that will run on HP-UX 11.11, I'd much rather go that route.
18:16.15puffOther than the optional native code bits, there's no such thin as a "binary download for FooOS"
18:16.31puffAll java binaries are compatible with any OS that has a working java install.
18:16.54CinelerraUser_10OK.  Let me look at the Tomcat site again...
18:16.57puffTell ya what, why don't you try downloading and setting up the standard tomcat?
18:17.37puffThat's part of the whole point of java, after all :-).
18:18.02CinelerraUser_10You are correct.  I just downloaded it and I'm going to give this a shot.
18:18.30puffYou mgiht want to google on: tomcat hp-ux
18:18.40puffhttp://h21007.www2.hp.com/portal/site/dspp/menuitem.863c3e4cbcdc3f3515b49c108973a801?ciid=6808a22194f02110a22194f02110275d6e10RCRD
18:18.52puff"Since Tomcat is Java-based, the newer versions released by the Jakarta project generally run just fine on HP-UX. "
18:19.06puffhttp://www.hp.com/products1/unix/webservers/apache/techtips/tomcat.html
18:20.19puffHm, though that second URL is quoting a fairly old tomcat doc (verson 3.2),so...
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18:24.43CinelerraUser_10@puff Thanks.  I think this might work.  I'm testing now.
18:30.46idletaskpuff: have you had a look at my pastebin yet? There's something else "bothering" me
18:32.13idletaskBut right now, the thing bothering me is that the errors being due to the fact that jars "were" symlinks, why didn't Tomcat tell it in the first place? Like, "'/this/file' is a symlink and config tells me I can't follow them" or something
18:32.35idletaskThis is what I hate with Java in general: when it comes down to system level reporting, it sucks :/
18:33.36idletaskAnyway, it's line 2 of the pastebin
18:34.47CinelerraUser_10@puff  That worked.  I don't know why I was stuck on the idea of having to compile it.  Somewhere along the line I was led to believe that HP-UX needed something different.  It doesn't.  Thanks for giving me a push in the right direction! :)
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19:21.45puffidletask: Yeah, I looked at oyur pastebin.
19:22.01puffidletask: There are lots of issues like that, yeah.
19:22.33puffidletask: Re: unclear or misleading error messages.  Then again, there are lots of issues like that in software in general, especially in enterprise software.
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19:23.18puffWhat about line 2?
19:23.58puffThat's a bit of native code for optimization... again, sounds like the jar isn't in the right place, or something. I really haven't messed with that native optimization, though.
19:26.22puffGonna idle a bit and deal with things elsewhere.
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19:40.31idletaskpuff: it's just like enterprise software doesn't even bother to get the fundamentals right :/
19:40.36idletaskThat's discouraging
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20:43.30puffidletask: The picture's a bit more complicated than that, but I don't have time to go into just now. Rain storm coming and I want to get a bike ride in.
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