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Lukasz Lenart commented on WW-2956: ----------------------------------- I think, I found better solution, please see attached patch > setting devMode value to "true" causes NullPointerException > ----------------------------------------------------------- > > Key: WW-2956 > URL: https://issues.apache.org/struts/browse/WW-2956 > Project: Struts 2 > Issue Type: Bug > Affects Versions: 2.1.6 > Environment: Windows 2003 Server SP2, JRE 1.6.0_07, Tomcat 6.0.18 > Reporter: Semion Oshchepkov > Priority: Blocker > Fix For: 2.1.7 > > Attachments: WW-2956.patch > > > I enabled devMode in struts2-blank-2.1.6 application and it's caused such > deployment exception: > org.apache.catalina.core.StandardContext filterStart > SEVERE: Exception starting filter struts2 > java.lang.NullPointerException > at > com.opensymphony.xwork2.util.FileManager$FileRevision.needsReloading(FileManager.java:209) > at > com.opensymphony.xwork2.util.FileManager.fileNeedsReloading(FileManager.java:60) > at > com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.needsReload(XmlConfigurationProvider.java:325) > at > org.apache.struts2.config.StrutsXmlConfigurationProvider.needsReload(StrutsXmlConfigurationProvider.java:168) > at > com.opensymphony.xwork2.config.ConfigurationManager.conditionalReload(ConfigurationManager.java:220) > at > com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:61) > at > org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:774) > at > org.apache.struts2.dispatcher.ng.InitOperations.initStaticContentLoader(InitOperations.java:77) > at > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:49) > at > org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275) > at > org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397) > at > org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108) > at > org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3709) > at > org.apache.catalina.core.StandardContext.start(StandardContext.java:4363) > at > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) > at > org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) > at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) > at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:830) > at > org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:719) > at > org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490) > at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149) > at > org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) > at > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) > at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) > at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) > at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) > at > org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) > at > org.apache.catalina.core.StandardService.start(StandardService.java:516) > at > org.apache.catalina.core.StandardServer.start(StandardServer.java:710) > at org.apache.catalina.startup.Catalina.start(Catalina.java:578) > 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:288) > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) > Also struts2-showcase-2.1.6 (where devMode is default) throws same exception: > org.apache.catalina.core.StandardWrapperValve invoke > SEVERE: Servlet.service() for servlet jsp threw exception > java.lang.NullPointerException > at > com.opensymphony.xwork2.util.FileManager$FileRevision.needsReloading(FileManager.java:209) > at > com.opensymphony.xwork2.util.FileManager.fileNeedsReloading(FileManager.java:60) > at > com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.needsReload(XmlConfigurationProvider.java:325) > at > org.apache.struts2.config.StrutsXmlConfigurationProvider.needsReload(StrutsXmlConfigurationProvider.java:168) > at > com.opensymphony.xwork2.config.ConfigurationManager.conditionalReload(ConfigurationManager.java:220) > at > com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:61) > at > org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:774) > at > org.apache.struts2.dispatcher.ng.PrepareOperations.createActionContext(PrepareOperations.java:74) > at > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter.doFilter(StrutsPrepareFilter.java:59) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) > at > org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:857) > at > org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565) > at > org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509) > at java.lang.Thread.run(Unknown Source) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.