struts2出现at com.opensymphony.xwork2.util.FileManager$FileRevision.needsReloading

struts2中的配置文件中只要添加以下配置,那么以后修改配置文件不用重启tomcat的方法。于是自己手动试了试,没想到这一试竟然试出问题来

要添加的代码:

 

view plain copy to clipboard print ?
  1. <constant name="struts.devMode" value="true" />  

 

 

struts.devMode也就是struts的开发模式,默认值为false,这里修改为true就可以了,以后一旦就该这个文件中的配置就不用去重启tomcat,着实方便许多。但是问题也出现了:

 

view plain copy to clipboard print ?
  1. 严重: Exception starting filter struts2  
  2. java.lang.NullPointerException  
  3.     at com.opensymphony.xwork2.util.FileManager$FileRevision.needsReloading(FileManager.java:209)  
  4.     at com.opensymphony.xwork2.util.FileManager.fileNeedsReloading(FileManager.java:60)  
  5.     at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.needsReload(XmlConfigurationProvider.java:325)  
  6.     at org.apache.struts2.config.StrutsXmlConfigurationProvider.needsReload(StrutsXmlConfigurationProvider.java:168)  
  7.     at com.opensymphony.xwork2.config.ConfigurationManager.conditionalReload(ConfigurationManager.java:220)  
  8.     at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:61)  
  9.     at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:774)  
  10.     at org.apache.struts2.dispatcher.ng.InitOperations.initStaticContentLoader(InitOperations.java:77)  
  11.     at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:49)  
  12.     at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)  
  13.     at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)  
  14.     at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:108)  
  15.     at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)  
  16.     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)  
  17.     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)  
  18.     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)  
  19.     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)  
  20.     at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:987)  
  21.     at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909)  
  22.     at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495)  
  23.     at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)  
  24.     at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)  
  25.     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)  
  26.     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)  
  27.     at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)  
  28.     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)  
  29.     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)  
  30.     at org.apache.catalina.core.StandardService.start(StandardService.java:516)  
  31.     at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)  
  32.     at org.apache.catalina.startup.Catalina.start(Catalina.java:583)  
  33.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
  34.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)  
  35.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)  
  36.     at java.lang.reflect.Method.invoke(Method.java:597)  
  37.     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)  
  38.     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)  
  39. 2010-3-1 22:26:44 org.apache.catalina.core.StandardContext start  
  40. 严重: Error filterStart  

严重: 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.(ApplicationFilterConfig.java:108) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450) 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:526) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:987) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at org.apache.catalina.core.StandardHost.start(StandardHost.java:722) 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:583) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) 2010-3-1 22:26:44 org.apache.catalina.core.StandardContext start 严重: Error filterStart

 

经过google一搜,有说将中的值改为false的,我要的就是true,改成false不违背了我本意,后来经过多次查找发现有人说这个属于struts2.1的bug,tomcat目录不能有空格。我仔细一瞧我的tomcat路径,还真出现空格的。。。比如D:\Program Files\Apache Software Foundation\Tomcat 6.0改成E:\Tomcat6

最后通过自己修改路径发现此方法可行。

你可能感兴趣的:(struts)