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https://issues.apache.org/struts/browse/WW-2967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45570#action_45570
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Eung-ju PARK commented on WW-2967:
----------------------------------
I experienced same problem. You can solve this problem by removing anonymous
Action classes. See WW-2983.
> [Filter [struts2]: could not be initialized]:
> java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
> -------------------------------------------------------------------------------------------------------------------
>
> Key: WW-2967
> URL: https://issues.apache.org/struts/browse/WW-2967
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - Convention
> Affects Versions: 2.1.6
> Environment: WebSphere 6.1
> Reporter: Kobe Nys
>
> I searched the internet but I haven't found anything.
> I created a little sample project to show the "power of struts2" and all
> works perfect. When I incorporate it inside the existing application it
> doesn't work anymore. Maybe conflicting jars I don't know. I get the
> following error:
> [23/01/09 9:24:18:593 CET] 0000001f WebApp E [Servlet Error]-[Filter
> [struts2]: could not be initialized]:
> java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
> at
> org.apache.struts2.convention.SEOActionNameBuilder.build(SEOActionNameBuilder.java:69)
> at
> org.apache.struts2.convention.PackageBasedActionConfigBuilder.determineActionName(PackageBasedActionConfigBuilder.java:601)
> at
> org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildConfiguration(PackageBasedActionConfigBuilder.java:445)
> at
> org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildActionConfigs(PackageBasedActionConfigBuilder.java:278)
> at
> org.apache.struts2.convention.ClasspathPackageProvider.loadPackages(ClasspathPackageProvider.java:52)
> at
> com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:200)
> at
> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
> at
> org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:360)
> at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:403)
> at
> org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69)
> at
> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:48)
> at
> com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.init(FilterInstanceWrapper.java:142)
> at
> com.ibm.ws.webcontainer.filter.WebAppFilterManager._loadFilter(WebAppFilterManager.java:471)
> at
> com.ibm.ws.webcontainer.filter.WebAppFilterManager.loadFilter(WebAppFilterManager.java:385)
> at
> com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterInstanceWrapper(WebAppFilterManager.java:244)
> at
> com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterChain(WebAppFilterManager.java:302)
> at
> com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:792)
> at
> com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:742)
> at
> com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:695)
> at
> com.ibm.ws.wswebcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:101)
> at
> com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:818)
> at
> com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:557)
> at
> com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:113)
> at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3440)
> at
> com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:267)
> at
> com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:815)
> at
> com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1461)
> at
> com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:118)
> at
> com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)
> at
> com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387)
> at
> com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:267)
> at
> com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
> at
> com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
> at
> com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
> at
> com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
> at
> com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
> at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)
> at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:195)
> at
> com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:743)
> at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:873)
> at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473)
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