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https://issues.apache.org/struts/browse/SHALE-422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_40459
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Matthias Wuttke commented on SHALE-422:
---------------------------------------
Creating an empty "WEB-INF/lib" folder solves the "symptoms" of this problems.
> NullPointerException if no WEB-INF/lib
> --------------------------------------
>
> Key: SHALE-422
> URL: https://issues.apache.org/struts/browse/SHALE-422
> Project: Shale
> Issue Type: Bug
> Components: Tiger
> Affects Versions: 1.0.4
> Environment: Eclipse 3.1 with Tomcat Launcher Plugin
> Reporter: Matthias Wuttke
>
> I use the Sysdeo Tomcat Launcher Plugin together with the DevLoaderClasspath
> extension in order to debug my application. Because this classpath extension
> sets the classpath for Tomcat (including my Maven Repository classpath) I do
> not need a WEB-INF/lib directory. (In fact, I do not want to have one on my
> source path.)
> This causes my application to crash on startup with the following
> NullPointerException:
> ERROR main
> org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/teutoFaces] -
> Exception sending context initialized event to listener instance of class
> org.apache.shale.view.faces.LifecycleListener
> javax.faces.FacesException: java.lang.NullPointerException
> at
> org.apache.shale.tiger.view.faces.LifecycleListener2.contextInitialized(LifecycleListener2.java:276)
> at
> org.apache.shale.view.faces.LifecycleListener.contextInitialized(LifecycleListener.java:138)
> at
> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3763)
> at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4211)
> at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
> at
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
> at
> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:608)
> at
> org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:535)
> at
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
> at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
> at
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
> at
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
> at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
> at
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
> at
> org.apache.catalina.core.StandardService.start(StandardService.java:450)
> at
> org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
> at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
> Caused by: java.lang.NullPointerException
> at
> org.apache.shale.tiger.view.faces.LifecycleListener2.webArchives(LifecycleListener2.java:1513)
> at
> org.apache.shale.tiger.view.faces.LifecycleListener2.contextInitialized(LifecycleListener2.java:263)
> ... 25 more
> This corresponds to the following code:
> List<JarFile> list = new ArrayList<JarFile>();
> Set<Object> paths = servletContext.getResourcePaths(WEB_LIB_PREFIX);
> for (Object pathObject : paths) {
> I think a simple "if (paths != null)" should solve this issue.
> Best regards,
> Matthias
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