tomcat5无法在CentOS 5上启动，出现NoClassDefFoundError异常

Question

即使我从WEBAPPS目录中删除了所有的应用程序，Tomcat也无法启动，就像安装操作系统之后一样。

日志(catalina.out)说：

Using CATALINA_BASE:   /usr/share/tomcat5
Using CATALINA_HOME:   /usr/share/tomcat5
Using CATALINA_TMPDIR: /usr/share/tomcat5/temp
Using JRE_HOME:       
Created MBeanServer with ID: -dpv07y:fl4s82vl.0:hydrogenium.timberlinecolorado.com:1
java.lang.NoClassDefFoundError: org.apache.catalina.core.StandardService
   at java.lang.Class.initializeClass(libgcj.so.7rh)
   at java.lang.Class.initializeClass(libgcj.so.7rh)
   at java.lang.Class.initializeClass(libgcj.so.7rh)
   at java.lang.Class.newInstance(libgcj.so.7rh)
   at org.apache.catalina.startup.Bootstrap.init(bootstrap.jar.so)
   at org.apache.catalina.startup.Bootstrap.main(bootstrap.jar.so)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.modeler.Registry not found in org.apache.catalina.loader.StandardClassLoader{urls=[file:/var/lib/tomcat5/server/classes/,file:/usr/share/java/tomcat5/catalina-cluster-5.5.23.jar,file:/usr/share/java/tomcat5/catalina-storeconfig-5.5.23.jar,file:/usr/share/java/tomcat5/catalina-optional-5.5.23.jar,file:/usr/share/java/tomcat5/tomcat-coyote-5.5.23.jar,file:/usr/share/java/tomcat5/tomcat-jkstatus-ant-5.5.23.jar,file:/usr/share/java/tomcat5/tomcat-ajp-5.5.23.jar,file:/usr/share/java/tomcat5/servlets-default-5.5.23.jar,file:/usr/share/java/tomcat5/servlets-invoker-5.5.23.jar,file:/usr/share/java/tomcat5/catalina-ant-jmx-5.5.23.jar,file:/usr/share/java/tomcat5/tomcat-http-5.5.23.jar,file:/usr/share/java/tomcat5/tomcat-util-5.5.23.jar,file:/usr/share/java/tomcat5/tomcat-apr-5.5.23.jar,file:/usr/share/eclipse/plugins/org.eclipse.jdt.core_3.2.1.v_677_R32x.jar,file:/usr/share/java/tomcat5/servlets-webdav-5.5.23.jar,file:/usr/share/java/tomcat5/catalina-5.5.23.jar], parent=org.apache.catalina.loader.StandardClassLoader{urls=[file:/var/lib/tomcat5/common/classes/,file:/var/lib/tomcat5/common/i18n/tomcat-i18n-ja.jar,file:/var/lib/tomcat5/common/i18n/tomcat-i18n-fr.jar,file:/var/lib/tomcat5/common/i18n/tomcat-i18n-en.jar,file:/var/lib/tomcat5/common/i18n/tomcat-i18n-es.jar,file:/usr/share/java/tomcat5/naming-resources-5.5.23.jar,file:/usr/share/eclipse/plugins/org.eclipse.jdt.core_3.2.1.v_677_R32x.jar,file:/usr/share/java/tomcat5/naming-factory-5.5.23.jar], parent=gnu.gcj.runtime.SystemClassLoader{urls=[file:/usr/lib/jvm/java/lib/tools.jar,file:/usr/share/tomcat5/bin/bootstrap.jar,file:/usr/share/tomcat5/bin/commons-logging-api.jar,file:/usr/share/java/mx4j/mx4j-impl.jar,file:/usr/share/java/mx4j/mx4j-jmx.jar], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}}}
   at java.net.URLClassLoader.findClass(libgcj.so.7rh)
   at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
   at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
   at java.lang.Class.initializeClass(libgcj.so.7rh)
   ...5 more

Answer 1

您似乎已经实现了一个JMX服务，并试图将其安装到您的server.xml文件中，但是忘记了将apache commons modeler jar添加到服务器/lib目录(因此是org.apache.commons.modeler.Registry的ClassNotFoundException )。检查server.xml文件中可能添加的内容，并尝试将适当的jar文件添加到服务器类路径中。

Answer 2

对我来说，这是类路径问题的尖叫。你的tomcat到底安装在哪里？(向我们提供主目录位置的命令行打印输出。)另外，你是如何启动它的？

Answer 3

检查您的JAVA_HOME/JRE_HOME设置。您可能希望使用不同的JVM，而不是随OS一起安装的JVM