Null component Catalina:type=JspMonitor,name=jsp,WebModule=//localhost/RixinWeb,J2EEApplication=non
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最近在合作做一个网站的时候,后台在别人那里就可以正常启动,到我的电脑上就报错
严重: Null component Catalina:type=JspMonitor,name=jsp,WebModule=//localhost/RixinWeb,J2EEApplication=none,J2EEServer=none2012-8-21 22:14:06 org.apache.catalina.startup.HostConfig deployDirectory严重: Error deploying web application directory RixinWebjava.lang.UnsupportedClassVersionError: Bad version number in .class fileat java.lang.ClassLoader.defineClass1(Native Method)at java.lang.ClassLoader.defineClass(Unknown Source)at java.security.SecureClassLoader.defineClass(Unknown Source)at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1815)at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1325)at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)at org.apache.catalina.startup.WebAnnotationSet.loadClassAnnotation(WebAnnotationSet.java:145)at org.apache.catalina.startup.WebAnnotationSet.loadApplicationFilterAnnotations(WebAnnotationSet.java:84)at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:57)at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:297)at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1064)at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)at org.apache.catalina.core.StandardContext.start(StandardContext.java:4238)at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:761)at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:741)at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1206)at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1307)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1571)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1580)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1560)at java.lang.Thread.run(Unknown Source)
后来去网上找了下才发现是JDK版本问题,解决如下:
如果工程原来是jre1.5编译的,换到一个新的MyEclipse版本需要维持用1.5,不能是1.6等,修改办法:
window-->preferences-->Java-->Compiler-->Compiler compience level将1.6改成1.5
这个方法我的行了,另外还有一种说法是:
解决:你的JDK 版本不兼容,操作步骤...
1.打开MyEclipse
2.Window
3.Preferences
4.选择Java节点
5.Installed JREs
6.可以看到当前使用的JVM是什么版本,路径在哪里,现在我们要改正和Tomcat一样的虚拟机.
6.Edit
7.JRE home directory
8.Browse 找到:C:\Sun\SDK\jdk\jre(找到你的安装目录)
9.ok
2.Window
3.Preferences
4.选择Java节点
5.Installed JREs
6.可以看到当前使用的JVM是什么版本,路径在哪里,现在我们要改正和Tomcat一样的虚拟机.
6.Edit
7.JRE home directory
8.Browse 找到:C:\Sun\SDK\jdk\jre(找到你的安装目录)
9.ok
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