Exception starting filter struts2 java.lang.NullPointerException 解决...

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本文介绍了解决 Struts2 在启动时遇到的 NullPointerException 问题的方法。此问题源于 tomcat 安装路径中存在空格，导致配置文件无法正确加载。通过移除 tomcat 安装目录中的空格可以解决此问题。
Exception starting filter struts2 java.lang.NullPointerException 解决...
  1. <constant name="struts.devMode" value="true"/> 或者
    <constant name="struts.configuration.xml.reload" value="true"/>
    现在你的struts.xml里面看看,肯定有这样的代码....如果有就继续往下看吧.....
  2. org.apache.catalina.core.StandardContext filterStart   
  3. 严重: Exception starting filter struts2   
  4. java.lang.NullPointerException   
  5.      at com.opensymphony.xwork2.util.FileManager$FileRevision.needsReloading(FileManager.java:209)   
  6.      at com.opensymphony.xwork2.util.FileManager.fileNeedsReloading(FileManager.java:60)   
  7.      at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.needsReload(XmlConfigurationProvider.java:325)   
  8.      at org.apache.struts2.config.StrutsXmlConfigurationProvider.needsReload(StrutsXmlConfigurationProvider.java:168)   
  9.      at com.opensymphony.xwork2.config.ConfigurationManager.conditionalReload(ConfigurationManager.java:220)   
  10.      at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:61)   
  11.      at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:774)   
  12.      at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:191)   
  13.      at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)   
  14.      at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)   
  15.      at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)   
  16.      at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3709)   
  17.      at org.apache.catalina.core.StandardContext.start(StandardContext.java:4363)   
  18.      at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)   
  19.      at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)   
  20.      at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)   
  21.      at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926)   
  22.      at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889)   
  23.      at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)   
  24.      at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)   
  25.      at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)   
  26.      at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)   
  27.      at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)   
  28.      at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)   
  29.      at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)   
  30.      at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)   
  31.      at org.apache.catalina.core.StandardService.start(StandardService.java:516)   
  32.      at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)   
  33.      at org.apache.catalina.startup.Catalina.start(Catalina.java:578)   
  34.      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)   
  35.      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)   
  36.      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)   
  37.      at java.lang.reflect.Method.invoke(Method.java:597)   
  38.      at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)   
  39.      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)   
  40. 2009-2-4 22:40:54 org.apache.catalina.core.StandardContext start   
  41. 严重: Error filterStart   
  42. 2009-2-4 22:40:54 org.apache.catalina.core.StandardContext start   
  43. 严重: Context [/Struts2Demo2] startup failed due to previous errors  
  44.     devMode模式是开发模式，开启它则默认开启了i18n.reload、configuration.xml.reload。这个错误是由于configuration.xml.reload设置为true倒置的， 原因很简单，tomcat的安装路径包含空格
  47. 哈哈.....把tomcat安装目录里的 空格删了就行了......试试吧...很简单的...
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java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[]]     at java.util.co...
异常: Exception starting filter struts2 java.lang.NullPointerException
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1、错误描述 今天想要搭建一个简单的Struts环境做功能测试，但是项目的启动的时候报错，具体错误内容如下： SEVERE: Exception starting filter struts2 Class: com.opensymphony.xwork2.spring.SpringObjectFactory File: SpringObjectFactory.java Method: ge
2025-10-21 14:31:36,825 [RMI TCP Connection(2)-127.0.0.1] ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ui-custsvc]- Exception starting filter configFilter java.lang.NullPointerException at com.huawei.uee.web.filter.WebConfigFilter.init(WebConfigFilter.java:63) at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:281) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4664) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:875) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:851) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1553) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:622) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:569) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2025-10-21 14:31:36,855 [RMI TCP Connection(2)-127.0.0.1] ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ui-custsvc]- Exception starting filter NgcrmWebFilter java.lang.NullPointerException at com.huawei.ngcrm.framework.context.ServiceLocator.getBean(ServiceLocator.java:56) at com.huawei.crm3.web.common.filter.Crm3WebSecurityInterceptor.afterInit(Crm3WebSecurityInterceptor.java:95) at com.huawei.crm3.web.common.filter.NgcrmWebFilter.init(NgcrmWebFilter.java:57) at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:281) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4664) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:875) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:851) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1553) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:622) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:569) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2025-10-21 14:31:36,862 [RMI TCP Connection(2)-127.0.0.1] ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ui-custsvc]- Exception starting filter CheckLoginOperatorFilter java.lang.NullPointerException at com.huawei.ngcrm.framework.context.ServiceLocator.getBean(ServiceLocator.java:56) at com.huawei.crm3.web.common.processor.WebProcessorExecutor.getInstance(WebProcessorExecutor.java:34) at com.huawei.crm3.web.common.login.filter.CheckLoginOperatorFilter.initFilterParam(CheckLoginOperatorFilter.java:238) at com.huawei.crm3.web.common.login.filter.CheckLoginOperatorFilter.init(CheckLoginOperatorFilter.java:69) at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:281) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4664) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:875) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:851) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1553) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:622) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:569) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2025-10-21 14:31:36,865 [RMI TCP Connection(2)-127.0.0.1] ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ui-custsvc]- Exception starting filter crm3TraceLinkFilter com.huawei.bme.commons.exception.GeneralBMEException: An error occurs when the application context obtains bean = uee.jaxrs.applications. at com.huawei.bme.container.control.DefaultContextHolder.getBeanInner(DefaultContextHolder.java:183) at com.huawei.bme.container.control.DefaultContextHolder.getBean(DefaultContextHolder.java:93) at com.huawei.crm3.web.common.filter.Crm3TraceLinkFilter.init(Crm3TraceLinkFilter.java:47) at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:281) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:262) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4664) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:875) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:851) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1553) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:622) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:569) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
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web.xml配置: <?xml version="1.0" encoding="UTF-8"?><web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=...
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严重: Exception starting filter CocoonDebugFilte E:\jdk1.8\bin\java.exe -Dmaven.multiModuleProjectDirectory=E:\Code\SSM\ssm02 “-Dmaven.home=E:\IDEA0.2\IntelliJ IDEA 2018.2.4\plugins\maven\lib\maven3” “...
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一、场景： &lt;welcome-file-list&gt; &lt;welcome-file&gt;./pages/common/index.jsp&lt;/welcome-file&gt; &lt;/welcome-file-list&gt; &lt;filter&gt; &lt;filter-name&gt;gdcfilter&lt;/filter-name&gt;
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Tomcat启动报错org.apache.catalina.core.StandardContext.filterStart Exception starting filter
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tomcat启动报错 org.apache.catalina.core.StandardContext.filterStart Exception starting filter 错误原因：Tomcat8.5，我用maven导入如下jar，用版本3.0.1就好了 <!-- https://mvnrepository.com/artifact/javax.servlet/javax.serv...
解决Java.lang.NullPointerException：Tomcat与JDK路径配置
"Java编程中遇到的`java.lang.NullPointerException`异常处理及环境配置注意事项" 在Java编程过程中，`java.lang.NullPointerException`是常见的运行时异常，它通常发生在尝试访问或操作一个值为null的对象引用时。...
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