其中 org/apache/xerces/impl/dtd/XMLDTDDescription 在web-inf\lib下有xerces-2.6.2.jar的,打开rar,里面也有org/apache/xerces/impl/dtd/XMLDTDDescription的

解决方案 »

  1.   

    细看了一下,映射的很正规,没有任何问题
    试着在manytomany中加入targetEntity属性试下
      

  2.   

    关注中...如下问题:2008-4-22 17:15:49 org.apache.commons.modeler.Registry registerComponent
    严重: Null component Catalina:type=JspMonitor,name=jsp,WebModule=//gcashost/host-manager,J2EEApplication=none,J2EEServer=none
    2008-4-22 17:15:49 org.apache.catalina.startup.HostConfig deployDescriptor
    严重: Error deploying configuration descriptor host-manager.xml
    java.lang.NoClassDefFoundError: org/apache/xerces/impl/dtd/XMLDTDDescription
    at org.apache.xerces.impl.dtd.XMLDTDValidator.doctypeDecl(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentScannerImpl.scanDoctypeDecl(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
    at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
    at org.apache.catalina.startup.ContextConfig.applicationWebConfig(ContextConfig.java:350)
    at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1055)
    at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4111)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
    at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:603)
    at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:535)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
    at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1181)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:292)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1304)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1568)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1577)
    at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1557)
    at java.lang.Thread.run(Thread.java:619)