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| 00:48.33 | iholsman | tomcat 6.0.13/java 1.5/os linux -- how do you stop mysql connections from timing out? |
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| 01:08.40 | yoanis | hi there |
| 01:08.47 | yoanis | i've a question |
| 01:09.49 | yoanis | seems like tomcat is creating a process for each thread ? actually it looks like all my java applications creates a process whenever a thread it's created |
| 01:10.33 | yoanis | i'm running tomcat 6.0.13 on Debian 4.0 and java 1.6 |
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| 02:06.48 | cppexpert | Is there way to define extra classes folder for my web application besides /classes ? |
| 02:11.52 | jasonb | besides which /classes dir? |
| 02:16.41 | cppexpert | yes, the reason I need it is I want to have configuration files in there. For example .properties for log4j. You probably wondering why wouldn't I put it to /classes. Answer is simple - every time Eclipse rebuilds the project it completely cleans up /classes including config files. As result I have to copy them manually everytime before deployment. It's very frustrating. |
| 02:17.53 | jasonb | Yes. I deal with that as well. |
| 02:18.08 | jasonb | Tomcat does support a way to configure the webapp classloader: |
| 02:18.10 | jasonb | http://tomcat.apache.org/tomcat-6.0-doc/config/loader.html |
| 02:20.55 | cppexpert | let's see... |
| 02:26.35 | cppexpert | jasonb: Looks like it's not what I need. Can I just add extra path to classes folders ? (besides global classes folder of Tomcat and /classes of each application) |
| 02:29.06 | jasonb | cppexpert: Well, but eclipse recursively deletes everything inside your webapp's WEB-INF/classes/ dir. |
| 02:29.16 | jasonb | So, if you put a dir inside that, it would get deleted as well. |
| 02:29.38 | jasonb | Why isn't <Loader> what you need? |
| 02:32.57 | cppexpert | jasonb: I just don't see description what should be inside <Loader> and don't see the way to solve my need. |
| 02:33.12 | jasonb | I'm trying to find an example.. |
| 02:33.23 | cppexpert | Thank you |
| 02:43.58 | acidjnk | cppexpert, you are not the "advanced c++" guy from #java a few years ago, are you? |
| 02:45.52 | cppexpert | acidjnk: Not few years ago, I've been around (on freenode) only for last 3 months. Why ? |
| 02:46.17 | acidjnk | The reason makes no sense to you when you are not that person. |
| 02:46.33 | cppexpert | acidjnk: okay |
| 02:50.15 | jasonb | cppexpert: I think I'm going to have to give up on getting you an example. It appears that there aren't any. But, WebappLoader is what you need to configure. It would let you add more dirs from which classes (and other resources) can be loaded by the context class loader. |
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| 02:53.04 | jasonb | cppexpert: Oh wait, I just remembered one more way to do it: read conf/catalina.properties. |
| 02:59.32 | jasonb | heads home |
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| 06:26.59 | fifo_ | I have 2 virtual hosts, one for internal apps, one for public apps |
| 06:27.16 | fifo_ | How can I run the manager (which is hosted on the internal host) for the external hosts |
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| 09:24.29 | IIVQ | Good morning. Question: I have a kinda plain XAMPP+tomcat (6.0.14) installation, with 2 self-built webapps |
| 09:24.39 | IIVQ | Both webapps have an index.jsp-file |
| 09:25.41 | IIVQ | when i go to http://localhost:8080/hz/ I get the desired file. When I go to when i go to http://localhost:8080/aegon/ I get an error "The requeted resource (/aegon/) is not available" |
| 09:26.00 | IIVQ | yet when I go to http://localhost:8080/aegon/index.jsp it shows me the index.jsp |
| 09:26.07 | IIVQ | any hints? |
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| 09:33.57 | IIVQ | Woops, found it. There's is a welcome-file in my web.xml :-) |
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| 11:10.22 | greenmanwitch | Hi guys! |
| 11:10.29 | greenmanwitch | I've installed openbravo. |
| 11:10.44 | greenmanwitch | When I try to open openbravo in links it tells me HTTP STATUS 404 /openbravo/ |
| 11:11.08 | greenmanwitch | I'm not entirely sure if this is a tomcat thing or an openbravo thing, but openbravoa are slow to respond so I figured I'd ask in both. |
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| 13:28.53 | MHSL- | greenmanwitch, do you have openbravo directory under your default webapp directory? |
| 13:30.14 | MHSL | greenmanwitch, or did you create a context for /openbravo if it's outside your default webapp directory? |
| 13:32.00 | greenmanwitch | MHSL: yes |
| 13:32.06 | greenmanwitch | Hey, don't worry, it all works now. |
| 13:32.18 | greenmanwitch | on that note- I should sleep |
| 13:32.19 | greenmanwitch | bye! |
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| 14:22.54 | IIVQ | Hello |
| 14:23.19 | IIVQ | I need to reformat a birthdate - one which may be before 1970. How do I do that? |
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| 17:11.46 | rann | hi, i'm reading the tomcat 5.5 class loader documentation. i have a question about making available libs like taglib and postgresql-jdbc: is it nicer to put them in common/lib or in shared/lib ? |
| 17:12.57 | rann | as i understand it, common/lib is intended for stuff that tomcat internals should be able to access, and shared/lib is for stuff all webapps would access? |
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| 18:25.04 | jasonb | rann: Yeah, common/lib is where jdbc driver jars should go. |
| 18:25.26 | jasonb | rann: But, it would be even better for you to use Tomcat 6 and just put them in /lib. |
| 18:26.20 | vvalenti | interesting - japackage for tomcat5.5 put the mysql connector in /usr/share/java/mysql-connector-java.jar |
| 18:27.05 | jasonb | doesn't yet grok how jpackage jars end up mapped to Tomcat classloaders. |
| 18:28.54 | Hellaenergy | jasonb, do you ever strugle with excessive pergen mem issues? |
| 18:29.26 | vvalenti | d'oh, maybe I'm thinking of the wrong thing...I thought mysql-connector was the jdbc drive |
| 18:29.28 | vvalenti | r |
| 18:30.28 | jasonb | Hellaenergy: Yes. Apparently this has become worse in Java 1.6. Are you using 1.6? What we did over here to mitigate it is: we use the BEA JRockit JVM. That has basically fixed it for us.. for now. |
| 18:30.38 | jasonb | vvalenti: It is. |
| 18:31.15 | Hellaenergy | jasonb, yes I am using 1.6. I've heard really good things about JRockit before. |
| 18:31.21 | Hellaenergy | Thanks for the advise ;) |
| 18:31.46 | pfn | how can anyone have permgen issues in normal operation |
| 18:32.22 | pfn | it's application reloads that'll kill you |
| 18:32.29 | jasonb | Hellaenergy: You won't necessarily get better performance, but the overall compatibility seems excellent, and some Hotspot JVM crashes we were having went away when we switched to JRockit, plus strange permgen problems also went away. |
| 18:32.48 | jasonb | is a fan of reloadable="true". ;) |
| 18:33.10 | pfn | it shouldn't be done in a production environment |
| 18:37.18 | jasonb | We don't tend to use it in production. |
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| 18:38.15 | jasonb | We do have some instances set up where we do use it because we make changes to classes in some of our webapps often, so we just put in a new jar and Tomcat takes care of the rest in that case.. and it works just fine for us. |
| 18:42.18 | merike_ | hello, any ideas what could cause http status 405 error with a class that DOES implement doGet? |
| 18:42.34 | pfn | you done it wrong |
| 18:42.44 | pfn | pastebin full exceptions and uris etc. |
| 18:44.45 | merike_ | java code: http://pastebin.com/d2473de8b |
| 18:47.32 | pfn | specify the @Override annotation to be sure that you are using the right signature |
| 18:47.41 | pfn | super.doGet |
| 18:47.43 | pfn | wrong |
| 18:47.51 | pfn | what do you think is throwing the 405 |
| 18:48.34 | merike_ | I see, it was generated automatically by Eclipse |
| 18:51.39 | jasonb | eclipse isn't a web server. |
| 18:56.52 | Hellaenergy | pfn, why shouldn't't that be done in production. Just curious. |
| 18:57.53 | pfn | Hellaenergy, because you'll destroy your permgen space and risk other memory leaks in any libraries you use |
| 18:58.41 | Hellaenergy | Got any papers on that by chance? |
| 18:58.54 | pfn | no, google |
| 18:59.17 | pfn | google classloader memory leak redeploy |
| 18:59.19 | pfn | is one such example |
| 18:59.28 | pfn | google commons-logging memory leak |
| 18:59.29 | pfn | as well |
| 19:00.35 | Hellaenergy | Thats funny that confluence comes up as the first hit on that. |
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| 19:03.44 | Hellaenergy | jasonb, which version of JRockit do you rock? |
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| 20:04.05 | jasonb | Hellaenergy: jrockit-R27.4.0-jdk1.6.0_02 currently. Probably deserves to be updated. |
| 20:18.54 | Hellaenergy | jasonb, what's the formula for which libs should go in $CATALINA_HOME/lib? |
| 20:19.59 | jasonb | Hellaenergy: Basically anything that doesn't go into a webapp ends up in there if it's not already part of Tomcat. |
| 20:24.14 | Hellaenergy | I guess that's what i'm asking though. What should and shouldn't't go into a webapp? |
| 20:24.28 | pfn | everything that can go into the webapp should |
| 20:24.28 | jasonb | Anything that Tomcat also has to use. |
| 20:24.43 | pfn | anything that can't, that needs to be provided as a container service should go with tomcat |
| 20:25.01 | pfn | in this case, there's very little that should go into tomcat |
| 20:25.07 | pfn | usually just jdbc drivers |
| 20:25.10 | Hellaenergy | so should one's app contain the jdbc driver? |
| 20:25.16 | pfn | and anything else jndi related |
| 20:25.21 | Hellaenergy | hibernate? |
| 20:25.28 | pfn | hibernate isn't a container-service |
| 20:25.30 | pfn | jdbc drivers are |
| 20:25.43 | Hellaenergy | OK I follow ya |
| 20:26.55 | a4akba | Hellaenergy |
| 20:28.30 | Hellaenergy | ? |
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| 22:22.30 | vershun | If I'm doing "<c:forEach var="i" begin="1" end="${requestScope.resultLength / 10}">" (struts core taglib) how do I refer to the variable "i" in a <% java chunk %> |
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| 22:38.02 | pfn | you don't |
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| 22:38.17 | pfn | mixing taglibs and scriptlets is completely unsupported |
| 22:40.11 | vershun | Hmm then is there an easy way to add/change a parameter to a java.util.Map passed in via requestScope? |
| 22:40.24 | pfn | do so within a servlet |
| 22:40.27 | pfn | or action |
| 22:40.31 | pfn | or controller |
| 22:40.33 | pfn | whatever your framework has |
| 22:41.59 | vershun | Yeah using Struts. I guess my problem is I'm doing search result paging and the html:link property like to take in a Map and I need page=1, page=2, etc with the same query=string, would you recommend I make an Array of Maps and iterate through to build the << 1 2 3 4 >> links? |
| 22:42.49 | vershun | Seems inefficient I guess |
| 22:47.06 | pfn | as opposed to doing what? |
| 22:48.32 | vershun | Just iterating through using the same generic Map but setting the "page" parameter equal to your iteration count |
| 22:48.59 | pfn | why can't you do that right now |
| 22:49.27 | pfn | <c:set var="page" value="${i}"/> |
| 22:50.47 | vershun | Is there a way to add that "page" variable to the java.util.Map passed in via request.setAttribute("paramMap", request.getParameterMap())? |
| 22:51.00 | vershun | That's where I'm stuck |
| 22:51.15 | pfn | why would you want to add it to the map |
| 22:51.36 | pfn | why are you doing that? |
| 22:51.58 | vershun | Since <html:link takes a Map object to build multiple parameters |
| 22:52.30 | pfn | see if <html:link> supports any other inputs then |
| 22:52.34 | pfn | that sounds particularly wrong |
| 22:52.42 | pfn | prefers <c:url> and <c:param ...> |
| 22:53.03 | vershun | Ah OK that will actually work better then |
| 22:53.09 | vershun | Thanks |
| 22:54.18 | jasonb | Or, you might try request.setAttribute("paramMap", new HashMap().putAll(request.getParameterMap())); |
| 22:54.40 | jasonb | (or something similar) |
| 22:55.19 | vershun | OK thanks I'll play with it |
| 22:57.06 | yassine | night everyone |
| 22:57.17 | jasonb | g'night yassine! |
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| 23:38.53 | Vishal | [Tomcat/Java/OS](5.5.26/1.6.0_03/Ubuntu 7.10) Installing Liferay, error = http://rafb.net/p/aotYSs73.html |
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