In later versions, commons-logging has been separated in 2 jarfiles, 1. commons-logging.jar and 2. commons-logging-api.jar. This might be the case here. Maybe your are using a commons-logging-api from the applicationserver itself.
Try putting a commons-logging-api.jar inside your webapps too. (btw this is actually a USER question) Kent [EMAIL PROTECTED] wrote: > We are running two STRUTS applications using Log4j in > iPlanet 6.5 Application servers. We have deployed struts, > commons-beanutils, common-collections, commons-digester, > commons-logging, commons-validator and log4j under the > WEB-INF/lib and packaged them as separate ear files for each > application separately. The Action servlet in each > application is deployed with a different name. Each > application has an initializer servlet that is invoked at > application server startup and load the Log4J > configuration. > > The above works fine with only one application and also on > occasion with both applications. However, we are getting > intermittent errors when running both applications together > when the requested JSP fails to load with an error in the > application server kjs logs. We have observed the following > pattern of errors: (with debugging turned on) > > Always starts with one LogConfigurationException (see Error > #1 below). This error does not always happen at startup. It > can happen even after some usage of the applications. Once > this error has occured, we get a > java.lang.NoClassDefFoundError (see Error #2 below) when > the JSP page load occurs in the application. > > Has anyone seen this error ? Any insight would be much > appreciated. > > > Error #1 > ------------ > Loading servlet: App1Action > [06/Mar/2004 13:01:39:3] error: Exception: > SERVLET-execution_failed: Error in executing servlet > EAMSAction: java.lang.ExceptionInInitializerError > Exception Stack Trace: > java.lang.ExceptionInInitializerError: > org.apache.commons.logging.LogConfigurationException: > org.apache.commons.logging.LogConfigurationException: > org.apache.commons.logging.LogConfigurationException: > Class org.apache.commons.logging.impl.Log4JLogger does not > implement Log > at > org.apache.commons.logging.impl.LogFactoryImpl.newInstance(L > ogFactoryImpl.java:532) > at > org.apache.commons.logging.impl.LogFactoryImpl.getInstance(L > ogFactoryImpl.java:272) > at > org.apache.commons.logging.impl.LogFactoryImpl.getInstance(L > ogFactoryImpl.java:246) > at > org.apache.commons.logging.LogFactory.getLog(LogFactory.java > :395) > at > org.apache.struts.action.ActionServlet.<clinit>(ActionServle > t.java:375) > at java.lang.Class.newInstance0(Native Method) > at java.lang.Class.newInstance(Class.java:232) > at > com.netscape.server.servlet.servletrunner.ServletRepository. > loadServlet(Unknown Source) > at > com.netscape.server.servlet.servletrunner.ServletRepository. > createInstance(Unknown Source) > at > com.netscape.server.servlet.servletrunner.ServletRunner.crea > teServletInfo(ServletRunner.java:1237) > at > com.netscape.server.servlet.servletrunner.AppInfo.preLoadSer > vlets(Unknown Source) > at > com.netscape.server.servlet.servletrunner.AppInfo.resetServl > ets(Unknown Source) > at > com.netscape.server.servlet.servletrunner.AppInfo.<init>(Unk > nown Source) > at > com.netscape.server.servlet.servletrunner.ServletModule.getA > ppInfo(Unknown Source) > at > com.netscape.server.servlet.servletrunner.ServletRunner.getA > ppInfo(ServletRunner.java:1546) > at > com.netscape.server.servlet.servletrunner.ServletRunner.exec > ute(ServletRunner.java:986) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:152) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:86) > at com.kivasoft.thread.ThreadBasic.run(Native Method) > at java.lang.Thread.run(Thread.java:479) > > MessageHeaders:setHeaderField(): Invoking headers.put(name, > value) > > [06/Mar/2004 13:01:39:3] error: APPLOGIC-caught_exception: > Caught Exception: > java.lang.ClassCastException: > java.lang.ExceptionInInitializerError > at > com.netscape.server.servlet.servletrunner.ServletRunner.repo > rtError(ServletRunner.java:1576) > at > com.netscape.server.servlet.servletrunner.ServletRunner.exec > ute(ServletRunner.java:1002) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:152) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:86) > at com.kivasoft.thread.ThreadBasic.run(Native Method) > at java.lang.Thread.run(Thread.java:479) > > > Error #2: This happens when the application is accessing a > page. > ------------------------------------------------------------ > ---------------------------------- > Loading servlet: App1Action > [06/Mar/2004 13:38:23:7] error: Exception: > SERVLET-execution_failed: Error in executing servlet > App1Action: java.lang.NoClassDefFoundError > Exception Stack Trace: > java.lang.NoClassDefFoundError > at java.lang.Class.newInstance0(Native Method) > at java.lang.Class.newInstance(Class.java:232) > at > com.netscape.server.servlet.servletrunner.ServletRepository. > loadServlet(Unknown Source) > at > com.netscape.server.servlet.servletrunner.ServletRepository. > createInstance(Unknown Source) > at > com.netscape.server.servlet.servletrunner.ServletRunner.crea > teServletInfo(ServletRunner.java:1237) > at > com.netscape.server.servlet.servletrunner.AppInfo.preLoadSer > vlets(Unknown Source) > at > com.netscape.server.servlet.servletrunner.AppInfo.resetServl > ets(Unknown Source) > at > com.netscape.server.servlet.servletrunner.AppInfo.<init>(Unk > nown Source) > at > com.netscape.server.servlet.servletrunner.ServletModule.getA > ppInfo(Unknown Source) > at > com.netscape.server.servlet.servletrunner.ServletRunner.getA > ppInfo(ServletRunner.java:1546) > at > com.netscape.server.servlet.servletrunner.ServletRunner.exec > ute(ServletRunner.java:986) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:152) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:86) > at com.kivasoft.thread.ThreadBasic.run(Native Method) > at java.lang.Thread.run(Thread.java:479) > > MessageHeaders:setHeaderField(): Invoking headers.put(name, > value) > > [06/Mar/2004 13:38:23:7] error: APPLOGIC-caught_exception: > Caught Exception: > java.lang.ClassCastException: > java.lang.NoClassDefFoundError > at > com.netscape.server.servlet.servletrunner.ServletRunner.repo > rtError(ServletRunner.java:1576) > at > com.netscape.server.servlet.servletrunner.ServletRunner.exec > ute(ServletRunner.java:1002) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:152) > at > com.kivasoft.applogic.AppLogic.execute(AppLogic.java:86) > at com.kivasoft.thread.ThreadBasic.run(Native Method) > at java.lang.Thread.run(Thread.java:479) > > > > ------------------------------------------------------------ > --------- > To unsubscribe, e-mail: > [EMAIL PROTECTED] > For additional commands, e-mail: > [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
