Ok. Now that you posted a new stack trace, it totally makes sense. Andrus
On May 6, 2011, at 5:54 PM, Andrew Willerding wrote: > Hi Andrus, > > I know we had discussed this before where I was using DB2 V9.x. The > difference this time was with the error and the failure to even deploy and > start the application at all the first time it was even loaded by tomcat. I > dug around some more in the tomcat log files and now found this in the > localhost log file which confirms that the issue was that the db2java.zip > file was not being loaded. > > Andrew > > May 6, 2011 9:47:33 AM org.apache.catalina.core.StandardContext filterStart > SEVERE: Exception starting filter CayenneFilter > org.apache.cayenne.ConfigurationException: [v.3.0.1 Aug 25 2010 19:38:17] > Error during Configuration initialization. [v.3.0.1 Aug 25 2010 19:38:17] > Load failures. Main configuration class: > org.apache.cayenne.conf.DefaultConfiguration, details: > domain.node.name=SurveyNode, domain.node.datasource=SurveyNode.driver.xml, > reason: DataSource load failed - Can not load JDBC driver named > 'COM.ibm.db2.jdbc.net.DB2Driver': COM.ibm.db2.jdbc.net.DB2Driver > at > org.apache.cayenne.conf.Configuration.initializeSharedConfiguration(Configuration.java:168) > at > org.apache.cayenne.conf.ServletUtil.initializeSharedConfiguration(ServletUtil.java:83) > at > org.apache.cayenne.conf.WebApplicationContextFilter.init(WebApplicationContextFilter.java:59) > at > org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295) > at > org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422) > at > org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115) > at > org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4071) > at > org.apache.catalina.core.StandardContext.start(StandardContext.java:4725) > at > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) > at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) > at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) > at > org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:675) > at > org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:601) > at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502) > at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1315) > at > org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) > at > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) > at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1061) > at org.apache.catalina.core.StandardHost.start(StandardHost.java:840) > at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) > at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) > at org.apache.catalina.core.StandardService.start(StandardService.java:525) > at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) > at org.apache.catalina.startup.Catalina.start(Catalina.java:595) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) > Caused by: org.apache.cayenne.ConfigurationException: [v.3.0.1 Aug 25 2010 > 19:38:17] Load failures. Main configuration class: > org.apache.cayenne.conf.DefaultConfiguration, details: > domain.node.name=SurveyNode, domain.node.datasource=SurveyNode.driver.xml, > reason: DataSource load failed - Can not load JDBC driver named > 'COM.ibm.db2.jdbc.net.DB2Driver': COM.ibm.db2.jdbc.net.DB2Driver > at > org.apache.cayenne.conf.RuntimeLoadDelegate.finishedLoading(RuntimeLoadDelegate.java:489) > at org.apache.cayenne.conf.ConfigLoader.loadDomains(ConfigLoader.java:79) > at > org.apache.cayenne.conf.DefaultConfiguration.initialize(DefaultConfiguration.java:152) > at > org.apache.cayenne.conf.Configuration.initializeSharedConfiguration(Configuration.java:159) > ... 29 more > > > On 05/06/2011 10:23 AM, Andrus Adamchik wrote: >> Hi Andrew, >> >> It is odd that unrecognized driver could cause issues with Cayenne >> EventManager threads, so maybe the driver issue is separate? >> The "memory leak" warning in Tomcat is often related to the app's failure to >> shutdown EventManager. Checking the archives, we discussed that before: >> http://markmail.org/message/3m2pxfunrfhzgxck >> >> WebApplicationContextFilter was fixed in Cayenne 3.0.1 per >> https://issues.apache.org/jira/browse/CAY-1467 so it should no longer cause >> this message. Also if you are not using WebApplicationContextFilter and >> manage Cayenne stack yourself, you will need to take care of the >> EventManager shutdown in your code. E.g. check the "destroy" method here: >> >> http://svn.apache.org/repos/asf/cayenne/main/tags/3.0.1/framework/cayenne-jdk1.5-unpublished/src/main/java/org/apache/cayenne/conf/WebApplicationContextFilter.java >> >> Andrus >> >> >> On May 6, 2011, at 5:08 PM, Andrew Willerding wrote: >> >>> I hope you don't mind me posting this here as hopefully this helps somebody >>> else trying to deploy a web app under tomcat 6.0.32 using DB2 Version 7. >>> (I know it's old but I had no choice) >>> >>> I was struggling to get the application to load and it was refusing to >>> deploy at all. I kept getting the errors listed below. >>> >>> It turns out that the IBM "jar" library file db2java.zip must be renamed to >>> db2java.jar for it to get loaded. I believe that this is a tomcat issue >>> and not a cayenne issue because when I loaded the library in the Cayenne >>> Modeler, cayenne was able to access the database. >>> >>> >>> Andrew >>> >>> SEVERE: The web application [/Survey] appears to have started a thread >>> named [ca >>> yenne-edt-12217363-0] but has failed to stop it. This is very likely to >>> create a >>> memory leak. >>> May 6, 2011 9:41:46 AM org.apache.catalina.loader.WebappClassLoader >>> clearReferen >>> cesThreads >>> SEVERE: The web application [/Survey] appears to have started a thread >>> named [ca >>> yenne-edt-12217363-1] but has failed to stop it. This is very likely to >>> create a >>> memory leak. >>> May 6, 2011 9:41:46 AM org.apache.catalina.loader.WebappClassLoader >>> clearReferen >>> cesThreads >>> SEVERE: The web application [/Survey] appears to have started a thread >>> named [ca >>> yenne-edt-12217363-2] but has failed to stop it. This is very likely to >>> create a >>> memory leak. >>> May 6, 2011 9:41:46 AM org.apache.catalina.loader.WebappClassLoader >>> clearReferen >>> cesThreads >>> SEVERE: The web application [/Survey] appears to have started a thread >>> named [ca >>> yenne-edt-12217363-3] but has failed to stop it. This is very likely to >>> create a >>> memory leak. >>> > > > -- > Andrew Willerding > Callista CTI > > ph: 416 444-9702 x9455 > fx: 416 444-9732 > cell: 416 712-2323 > www: http://www.callistacti.com > >
