Caused BY:JAVA.LANG.CLASSNOTFOUNDEXCEPTION:OGNL. PropertyAccessor

1. Error description

Usage:java Org.apache.catalina.startup.Catalina [-config {pathname}] [-nonaming] {-help | start | Stop}2014-7-10 2 3:00:04 org.apache.catalina.core.AprLifecycleListener init info: Loaded APR based Apache Tomcat Native Library 1.1.29 using A PR version 1.4.8.2014-7-10 23:00:05 org.apache.catalina.core.AprLifecycleListener init info: APR Capabilities:ipv6 [True] , Sendfile [true], accept filters [FALSE], random [true].2014-7-10 23:00:06 Org.apache.catalina.core.AprLifecycleListener Initializessl Info: OpenSSL successfully initialized (OpenSSL 1.0.1e 2014-7-10 23:00:07 org.apache.coyote.AbstractProtocol init information: Initializing protocolhandler ["http-apr-8686"] 2014-7-10 23:00:07 org.apache.coyote.AbstractProtocol init info: Initializing protocolhandler ["ajp-apr-8009"]2014-7-10 23:00:07 Org.apache.catalina.startup.Catalina Load Info: Initialization processed in 3914 ms2014-7-10 23:00:07 Org.apache.catalina.core.StandardService startinternal Info: Starting service catalina2014-7-10 23:00:07 orG.apache.catalina.core.standardengine startinternal Info: Starting Servlet engine:apache tomcat/7.0.532014-7-10 23:00:10 org.apache.tomcat.websocket.server.WsSci onstartup Info: JSR 356 websocket (Java WebSocket 1.0) support isn't avail Able when running on Java 6.  To suppress this message, run Tomcat in Java 7, remove the WebSocket JARs from $CATALINA _home/lib or add the Websocketjars To the Tomcat.util.scan.DefaultJarScanner.jarsToSkip property in $CATALINA _base/conf/catalina.properties. Note that the deprecated Tomcat 7 WebSocket API would be available. 2014-7-10 23:00:10 org.apache.catalina.util.SessionIdGenerator createsecurerandom Info: Creation of SecureRandom Instance for session ID generation using [Sha1prng] took [] milliseconds.2014-7-10 23:00:11 Org.apache.catalina.startu P.hostconfig Deploywar Info: Deploying Web Application Archive D:\MyEclipse\apache-tomcat-7.0.53\webapps\ blazeds.war2014-7-10 23:00:13 org.apache.catalina.startup.HostConfig deploydirectory info: Deploying Web ApplicatIon Directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\docs2014-7-10 23:00:13 Org.apache.catalina.startup.HostConfig deploydirectory Info: Deploying Web application Directory D:\MyEclipse\ apache-tomcat-7.0.53\webapps\examples2014-7-10 23:00:14 org.apache.catalina.core.ApplicationContext Log information: Contextlistener:contextinitialized () 2014-7-10 23:00:14 org.apache.catalina.core.ApplicationContext log information: Sessionlistener:contextinitialized () 2014-7-10 23:00:14 org.apache.catalina.core.ApplicationContext log information: contextlistener:attributeadded (' Org.apache.jasper.compiler.TldLocationsCache ', ' [email protected] ') 2014-7-10 23:00:14 org.apache.catalina.startup.HostConfig deploydirectory Info: Deploying Web application Directory D:\ Myeclipse\apache-tomcat-7.0.53\webapps\firstssh2014-7-10 23:00:16 Com.sun.faces.config.ConfigureListener Contextinitialized Info: Initialize context '/firstssh ' of Mojarra 2.0.3 (FCS b03) 2014-7-10 23:00:17 Com.sun.faces.spi.InjectionProviderFactory CreateInstance Information: JSF1048: PostconstruCt/predestroy comments. The Managedbeans method labeled with these comments will indicate that the comment has been processed. 2014-7-10 23:00:18 org.apache.catalina.core.StandardContext filterstart severity: Exception starting Filter Struts2java.lang.noclassdeffounderror:ognl/propertyaccessorat Com.opensymphony.xwork2.config.impl.DefaultConfiguration.createBootstrapContainer (Defaultconfiguration.java : 333) at Com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer (defaultconfiguration.java:229) At Com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration (configurationmanager.java:67) at Org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration (dispatcher.java:445) at Org.apache.struts2.dispatcher.Dispatcher.init (dispatcher.java:489) at Org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher (initoperations.java:74) at Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init (Strutsprepareandexecutefilter.java : Org.apache.catalina.core.ApplicationFilterConfig.initFilter (applicationfilterconfig.java:279) at ORG.APache.catalina.core.ApplicationFilterConfig.getFilter (applicationfilterconfig.java:260) at Org.apache.catalina.core.applicationfilterconfig.<init> (applicationfilterconfig.java:105) at Org.apache.catalina.core.StandardContext.filterStart (standardcontext.java:4809) at Org.apache.catalina.core.StandardContext.startInternal (standardcontext.java:5485) at Org.apache.catalina.util.LifecycleBase.start (lifecyclebase.java:150) at Org.apache.catalina.core.ContainerBase.addChildInternal (containerbase.java:901) at Org.apache.catalina.core.ContainerBase.addChild (containerbase.java:877) at Org.apache.catalina.core.StandardHost.addChild (standardhost.java:632) at Org.apache.catalina.startup.HostConfig.deployDirectory (hostconfig.java:1229) at Org.apache.catalina.startup.hostconfig$deploydirectory.run (hostconfig.java:1875) at Java.util.concurrent.executors$runnableadapter.call (executors.java:441) at java.util.concurrent.futuretask$ Sync.innerrun (futuretask.java:303) at Java.util.concurrent.FutureTask.run (the futuretask.java:138) at Java.util.concurrent.threadpoolexecutor$worker.runtask (threadpoolexecutor.java:886) at Java.util.concurrent.threadpoolexecutor$worker.run (threadpoolexecutor.java:908) at Java.lang.Thread.run ( thread.java:619) caused BY:JAVA.LANG.CLASSNOTFOUNDEXCEPTION:OGNL. Propertyaccessorat Org.apache.catalina.loader.WebappClassLoader.loadClass (webappclassloader.java:1720) at Org.apache.catalina.loader.WebappClassLoader.loadClass (webappclassloader.java:1571) at Java.lang.ClassLoader.loadClassInternal (classloader.java:320) ... more2014-7-10 23:00:18 org.apache.catalina.core.StandardContext startinternal severity: Error filterstart2014-7-10 23:00:18 org.apache.catalina.core.StandardContext startinternal Serious: Context [/firstssh] startup failed due to previous ERRORS2014-7-10 23:00:18 Org.apache.catalina.loader.WebappClassLoader checkthreadlocalmapforleaks serious: the web Application [/firstssh] created a ThreadLocal with key of type [com.sun.faces.util.util$1] (value [[email protected] ]) and a valuE of type [JAVA.UTIL.HASHMAP] (value [{com.sun.faces.patterncache={=}}]) but failed to remove it when the Web Applicatio N was stopped. Threads is going to being renewed over time to try and avoid a probable memory leak.2014-7-10 23:00:18 ORG.APACHE.CATALINA.S Tartup. Hostconfig deploydirectory Info: Deploying Web application Directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\ host-manager2014-7-10 23:00:18 org.apache.catalina.startup.HostConfig deploydirectory Info: Deploying Web Application Directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\manager2014-7-10 23:00:18 Org.apache.catalina.startup.HostConfig deploydirectory Info: Deploying Web application Directory D:\MyEclipse\ apache-tomcat-7.0.53\webapps\root2014-7-10 23:00:18 org.apache.catalina.startup.HostConfig deploydirectory Info: Deploying Web application Directory D:\MyEclipse\apache-tomcat-7.0.53\webapps\StudentSystem2014-7-10 23:00:21 Com.sun.faces.config.ConfigureListener contextinitialized Info: Initialize context '/studentsystem ' of Mojarra 2.0.3 (FCSB03) 2014-7-10 23:00:22 com.sun.faces.spi.InjectionProviderFactory CreateInstance info: JSF1048: postconstruct/ Predestroy comments. The Managedbeans method labeled with these comments will indicate that the comment has been processed. 2014-7-10 23:00:22 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: parsing configuration file [ struts-default.xml]2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: Unable to locate Configuration files of the the name Struts-plugin.xml, skipping2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: Parsing configuration file [struts-plugin.xml]2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: Unable to locate configuration files of the name Stru Ts.xml, skipping2014-7-10 23:00:23 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Parsing configuration file [struts.xml]2014-7-10 23:00:23 com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: Choosing bean (Struts) for (com.opensymphony.xwork2.ObjectFactory) 2014-7-10 23:00:23 com.opensymphony. Xwork2.util.logging.jdk.JdkLogger Info: Choosing bean (Struts) for (com.opensymphony.xwork2.factory.ActionFactory ) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info information: Choosing bean (Struts) for ( com.opensymphony.xwork2.factory.ResultFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( com.opensymphony.xwork2.factory.ConverterFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( com.opensymphony.xwork2.factory.InterceptorFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( com.opensymphony.xwork2.factory.ValidatorFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( com.opensymphony.xwork2.FileManagerFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: Choosing bean (Struts) for (com.opensYmphony.xwork2.conversion.impl.XWorkConverter) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.impl.CollectionConverter) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.impl.ArrayConverter) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.impl.DateConverter) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.impl.NumberConverter) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.impl.StringConverter) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.CoNversionpropertiesprocessor) 2014-7-10 23:00:23 com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: Choosing Bean (struts) for (com.opensymphony.xwork2.conversion.ConversionFileProcessor) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.ConversionAnnotationProcessor) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.TypeConverterCreator) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.conversion.TypeConverterHolder) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.TextProvider) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info : Choosing bean (Struts) for (Com.opensymphony.xwork2.LocaleProvider) 2014-7-10 23:00:23 Com.opEnsymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( com.opensymphony.xwork2.ActionProxyFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info info: Choosing bean (Struts) for (Com.opensymphony.xwork2.conversion.ObjectTypeDeterminer) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Org.apache.struts2.dispatcher.mapper.ActionMapper) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing Bean (Jakarta) for ( Org.apache.struts2.dispatcher.multipart.MultiPartRequest) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Org.apache.struts2.views.freemarker.FreemarkerManager) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Org.apache.struts2.components.UrlRenderer) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger Info: Choosing Bean (struts) for (Com.opensymphony.xwork2.validator.ActionValidatorManager) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( com.opensymphony.xwork2.util.ValueStackFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.util.reflection.ReflectionProvider) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( com.opensymphony.xwork2.util.reflection.ReflectionContextFactory) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.util.PatternMatcher) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Org.apache.struts2.dispatcher.StaticContentLoader) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for (com.opensymphony.xwork2.UnknownHandlerManager) 2014-7-10 23:00:23 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (struts) for (org.apache.struts2.views.util.UrlHelper) 2014-7-10 23:00:23 Com.opensymphony.xwork2.util.logging.jdk.JdkLogger info: Choosing bean (Struts) for ( Com.opensymphony.xwork2.util.TextParser) 2014-7-10 23:00:23 org.apache.coyote.AbstractProtocol start info: Starting Protocolhandler ["http-apr-8686"]2014-7-10 23:00:23 org.apache.coyote.AbstractProtocol start info: Starting Protocolhandler ["ajp-apr-8009"]2014-7-10 23:00:23 Org.apache.catalina.startup.Catalina start info: Server startup in 16030 ms

2. Cause of error

Through this sentence caused BY:JAVA.LANG.CLASSNOTFOUNDEXCEPTION:OGNL. PropertyAccessor, the lack of Ognl-3.0.6.jar

3. Solutions

Copy the Ognl-3.0.6.jar to the Lib folder directory