tomcat 异常

Removing obsolete files from server...
Could not clean server of obsolete files: null
java.lang.NullPointerException

删除D:workspace.metadata.pluginsorg.eclipse.wst.server.core 目录下的tmp0 文件夹

并保证eclipse 中的server.xml 和 tomcat conf 下的server.xml 文件保持一致.