Org.apache.catalina.LifecycleException:Failed to start component

1. Error description

Using catalina_base: "D:\NetBeans\apache-tomcat-8.0.12" Using Catalina_home: "D:\NetBeans\apache-tomcat-8.0.12"        Using Catalina_tmpdir: "D:\NetBeans\apache-tomcat-8.0.12\temp" Using Jre_home: "D:\Java\jdk1.7.0_67" using CLASSPATH: "D:\netbeans\apache-tomcat-8.0.12\bin\bootstrap.jar;d:\netbeans\apache-tomcat-8.0.12\bin\tomcat-juli.jar" 25- JAN-2015 19:08:33.046 INFO [main] org.apache.catalina.core.AprLifecycleListener.init Loaded APR based Apache Tomcat Native Library 1.1.31 using APR version 1.4.8.25-jan-2015 19:08:33.062 INFO [main] Org.apache.catalina.core.AprLifecycleListener.init APR Capabilities:ipv6 [true], sendfile [true], accept filters [ FALSE], random [true].25-jan-2015 19:08:34.107 INFO [main] Org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized (OpenSSL 1.0.1h 5 June 25-JAN-2015 19:08:34.388 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing Protocolhandler [" http-apr-8080 "]25-jan-2015 19:08:34.404 INFO [maIn] org.apache.coyote.AbstractProtocol.init Initializing protocolhandler ["ajp-apr-8009"]25-jan-2015 19:08:34.419 info [main] org.apache.catalina.startup.Catalina.load initialization processed in 2151 ms25-jan-2015 19:08:34.482 INFO [ Main] org.apache.catalina.core.StandardService.startInternal starting service catalina25-jan-2015 19:08:34.482 INFO [ Main] org.apache.catalina.core.StandardEngine.startInternal starting Servlet Engine:apache tomcat/8.0.1225-jan-2015 19:08:34.513 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDescriptor deploying Configuration Descriptor D:\NetBeans\apache-tomcat-8.0.12\conf\Catalina\localhost\Tree.xml25-Jan-2015 19:08:34.591 WARNING [localhost-startstop-1] org.apache.catalina.startup.SetContextPropertiesRule.begin [ Setcontextpropertiesrule]{context} Setting Property ' Antijarlocking ' to ' true ' didn't not find a matching property.25-jan-20 19:08:34.669 SEVERE [localhost-startstop-1] Org.apache.catalina.core.ContainerBase.addChildInTernal ContainerBase.addChild:start:org.apache.catalina.LifecycleException:Failed to start component [ Standardengine[catalina]. Standardhost[localhost]. Standardcontext[/tree]]at Org.apache.catalina.util.LifecycleBase.start (lifecyclebase.java:154) at Org.apache.catalina.core.ContainerBase.addChildInternal (containerbase.java:724) at Org.apache.catalina.core.ContainerBase.addChild (containerbase.java:700) at Org.apache.catalina.core.StandardHost.addChild (standardhost.java:714) at Org.apache.catalina.startup.HostConfig.deployDescriptor (hostconfig.java:581) at Org.apache.catalina.startup.hostconfig$deploydescriptor.run (hostconfig.java:1686) at Java.util.concurrent.executors$runnableadapter.call (executors.java:471) at Java.util.concurrent.FutureTask.run ( futuretask.java:262) at Java.util.concurrent.ThreadPoolExecutor.runWorker (threadpoolexecutor.java:1145) at Java.util.concurrent.threadpoolexecutor$worker.run (threadpoolexecutor.java:615) at Java.lang.Thread.run ( thread.java:745) caused by:org.apache.cAtalina. lifecycleexception:failed to start component [[Email protected]]at Org.apache.catalina.util.LifecycleBase.start (lifecyclebase.java:154) at Org.apache.catalina.core.StandardContext.resourcesStart (standardcontext.java:4854) at Org.apache.catalina.core.StandardContext.startInternal (standardcontext.java:4983) at Org.apache.catalina.util.LifecycleBase.start (lifecyclebase.java:150) ... Ten morecaused by:java.lang.IllegalArgumentException:The main resource set specified [D:\NetBeans\workspaces\Tree\ Build\web] is not a validat org.apache.catalina.webresources.StandardRoot.startInternal (standardroot.java:665) at Org.apache.catalina.util.LifecycleBase.start (lifecyclebase.java:150) ... more25-jan-2015 19:08:34.669 SEVERE [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDescriptor Error Deploying Configuration Descriptor D:\NetBeans\ Apache-tomcat-8.0.12\conf\catalina\localhost\tree.xml Java.lang.IllegalStateException:ContainerBase.addChild: Start:org.apache.catalina. lifecycleexception:failed to start component [Standardengine[catalina]. Standardhost[localhost]. Standardcontext[/tree]]at org.apache.catalina.core.ContainerBase.addChildInternal (containerbase.java:727) at Org.apache.catalina.core.ContainerBase.addChild (containerbase.java:700) at Org.apache.catalina.core.StandardHost.addChild (standardhost.java:714) at Org.apache.catalina.startup.HostConfig.deployDescriptor (hostconfig.java:581) at Org.apache.catalina.startup.hostconfig$deploydescriptor.run (hostconfig.java:1686) at Java.util.concurrent.executors$runnableadapter.call (executors.java:471) at Java.util.concurrent.FutureTask.run ( futuretask.java:262) at Java.util.concurrent.ThreadPoolExecutor.runWorker (threadpoolexecutor.java:1145) at Java.util.concurrent.threadpoolexecutor$worker.run (threadpoolexecutor.java:615) at Java.lang.Thread.run ( thread.java:745) 25-jan-2015 19:08:34.669 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDescriptor Deployment of configuration descriptor D:\Netbeans\apache-tomcat-8.0.12\conf\catalina\localhost\tree.xml have finished in 156 ms25-jan-2015 19:08:34.669 INFO [ LOCALHOST-STARTSTOP-1] org.apache.catalina.startup.HostConfig.deployDirectory deploying Web application directory D : \netbeans\apache-tomcat-8.0.12\webapps\docs25-jan-2015 19:08:35.324 INFO [localhost-startstop-1] Org.apache.catalina.util.SessionIdGeneratorBase.createSecureRandom Creation of SecureRandom instance for session ID Generation using [Sha1prng] took [milliseconds.25-jan-2015] 19:08:35.371 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDirectory Deployment of Web application directory D:\NetBeans\ Apache-tomcat-8.0.12\webapps\docs have finished in 702 ms25-jan-2015 19:08:35.371 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDirectory deploying Web application directory D:\NetBeans\ apache-tomcat-8.0.12\webapps\examples25-jan-2015 19:08:36.307 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig. deploydirectory Deployment of Web application directory D:\NetBeans\apache-tomcat-8.0.12\webapps\examples has Finished in 936 ms25-jan-2015 19:08:36.307 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDirectory deploying Web application directory D:\NetBeans\ apache-tomcat-8.0.12\webapps\host-manager25-jan-2015 19:08:36.385 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDirectory Deployment of Web application directory D:\NetBeans\ Apache-tomcat-8.0.12\webapps\host-manager have finished in ms25-jan-2015 19:08:36.385 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDirectory deploying Web application directory D:\NetBeans\ apache-tomcat-8.0.12\webapps\manager25-jan-2015 19:08:36.432 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDirectory Deployment of Web application directory D:\NetBeans\ Apache-tomcat-8.0.12\webapps\manager have finished in ms25-jan-2015 19:08:36.432 INFO [LocalhOST-STARTSTOP-1] org.apache.catalina.startup.HostConfig.deployDirectory deploying Web application directory D:\ netbeans\apache-tomcat-8.0.12\webapps\root25-jan-2015 19:08:36.463 INFO [localhost-startstop-1] Org.apache.catalina.startup.HostConfig.deployDirectory Deployment of Web application directory D:\NetBeans\ Apache-tomcat-8.0.12\webapps\root have finished in ms25-jan-2015 19:08:36.478 INFO [main] Org.apache.coyote.AbstractProtocol.start starting Protocolhandler ["http-apr-8080"]25-jan-2015 19:08:36.510 INFO [ Main] Org.apache.coyote.AbstractProtocol.start starting Protocolhandler ["ajp-apr-8009"]25-jan-2015 19:08:36.510 info [main] org.apache.catalina.startup.Catalina.start Server startup in 2096 ms25-jan-2015 19:08:37.492 INFO [ HTTP-APR-8080-EXEC-3] org.apache.catalina.startup.HostConfig.deployDescriptor Deploying configuration Descriptor D : \netbeans\apache-tomcat-8.0.12\conf\catalina\localhost\hbfm.xml25-jan-2015 19:08:37.508 WARNING [ Http-apr-8080-exec-3] Org.apache.catalina.stArtup. Setcontextpropertiesrule.begin [Setcontextpropertiesrule]{context} Setting Property ' Antijarlocking ' to ' true ' do not ' Find a matching property.25-jan-2015 19:08:37.570 INFO [http-apr-8080-exec-3] Org.apache.catalina.startup.HostConfig.deployDescriptor Deployment of configuration descriptor D:\NetBeans\ Apache-tomcat-8.0.12\conf\catalina\localhost\hbfm.xml have finished in ms25-jan-2015 19:08:37.570 INFO [ Http-apr-8080-exec-2] Org.apache.catalina.util.LifecycleBase.start the Start () method was called on component [ Standardengine[catalina]. Standardhost[localhost]. STANDARDCONTEXT[/HBFM]] After start () had already been called. The second call would be ignored.25-jan-2015 19:09:23.790 INFO [http-apr-8080-exec-9] Org.apache.catalina.startup.HostConfig.undeploy undeploying context [/tree]

2. Cause of error

3. Solutions

Org.apache.catalina.LifecycleException:Failed to start component