[jira] [Created] (LOG4J2-961) Log4j2 with Websphere Application Server 8.5 throws org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype

["Veeraraghavan (JIRA)" <ji...@apache.org>]

Veeraraghavan created LOG4J2-961:
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             Summary: Log4j2 with Websphere Application Server 8.5 throws org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
                 Key: LOG4J2-961
                 URL: https://issues.apache.org/jira/browse/LOG4J2-961
             Project: Log4j 2
          Issue Type: Question
         Environment: Websphere Application Server 8.5/RAD
            Reporter: Veeraraghavan
            Priority: Blocker


We have an application which uses Log4j2 and running on WAS 8.5. We have selected the class loading option as PARENT_LAST, so the jar files will be picked up from WEB-INF/lib. We are error getting the below error when starting up the server.

com.ibm.ws.exception.RuntimeWarning: com.ibm.ws.webcontainer.exception.WebAppNotLoadedException: Failed to load webapp: Failed to load webapp: javax.servlet.ServletContainerInitializer: Provider org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
    at com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:432)
    at com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:718)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1177)
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1370)
    at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:639)
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:968)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:776)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl$5.run(ApplicationMgrImpl.java:2195)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:5387)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:5603)
    at com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2200)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:435)
    at com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:123)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:378)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.access$500(CompositionUnitMgrImpl.java:126)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl$CUInitializer.run(CompositionUnitMgrImpl.java:984)
    at com.ibm.wsspi.runtime.component.WsComponentImpl$_AsynchInitializer.run(WsComponentImpl.java:502)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1865)
Caused by: com.ibm.ws.webcontainer.exception.WebAppNotLoadedException: Failed to load webapp: Failed to load webapp: javax.servlet.ServletContainerInitializer: Provider org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:759)
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:634)
    at com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:426)
    ... 18 more
Caused by: com.ibm.ws.webcontainer.exception.WebAppNotLoadedException: Failed to load webapp: javax.servlet.ServletContainerInitializer: Provider org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
    at com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:176)
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:749)
    ... 20 more
Caused by: java.util.ServiceConfigurationError: javax.servlet.ServletContainerInitializer: Provider org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
    at java.util.ServiceLoader.fail(ServiceLoader.java:243)
    at java.util.ServiceLoader.access$300(ServiceLoader.java:193)
    at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:381)
    at java.util.ServiceLoader$1.next(ServiceLoader.java:457)
    at com.ibm.ws.webcontainer.webapp.WebAppImpl.initializeServletContainerInitializers(WebAppImpl.java:535)
    at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:409)
    at com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:88)
    at com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:169)

When we have the lo4j2 related jar's as part of the ext folder of the server, it is working fine without any issues. We also have log4j jar's as well as part of the application which is being used by some third party jar's. Can some throw some light as what is going on here and why this error is being thrown?



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