我的tomcat死掉了，stndout.log错误信息如下：，大家帮忙分析下是什么原因造成的？
2007-6-27   9:56:54   org.apache.coyote.http11.Http11Protocol   pause
信息:   http11protocol.pause
2007-6-27   9:56:54   org.apache.jk.common.HandlerRequest   invoke
信息:   Unknown   message   0
2007-6-27   9:56:55   org.apache.catalina.core.StandardService   stop
信息:   Stopping   service   Catalina
2007-6-27   9:56:55   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /admin
2007-6-27   9:56:56   org.apache.catalina.logger.LoggerBase   stop
信息:   unregistering   logger   Catalina:type=Logger,path=/admin,host=localhost
2007-6-27   9:56:56   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /webdav
2007-6-27   9:56:56   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /servlets-examples
2007-6-27   9:56:56   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /jsp-examples
2007-6-27   9:56:56   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /balancer
2007-6-27   9:56:56   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /tomcat-docs
2007-6-27   9:56:56   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /fdc
2007-6-27   9:56:56   org.apache.catalina.core.StandardWrapper   unload
信息:   Waiting   for   32   instance(s)   to   be   deallocated
2007-6-27   9:56:57   org.apache.catalina.core.StandardWrapper   unload
信息:   Waiting   for   32   instance(s)   to   be   deallocated
2007-6-27   9:56:58   org.apache.catalina.core.StandardWrapper   unload
信息:   Waiting   for   32   instance(s)   to   be   deallocated
2007-6-27   9:56:58   org.apache.catalina.core.StandardWrapper   unload
信息:   Waiting   for   84   instance(s)   to   be   deallocated
2007-6-27   9:56:59   org.apache.catalina.core.StandardWrapper   unload
信息:   Waiting   for   84   instance(s)   to   be   deallocated
2007-6-27   9:57:00   org.apache.catalina.core.StandardWrapper   unload
信息:   Waiting   for   84   instance(s)   to   be   deallocated
2007-6-27   9:57:01   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path  
2007-6-27   9:57:01   org.apache.catalina.core.StandardHostDeployer   remove
信息:   Removing   web   application   at   context   path   /manager
2007-6-27   9:57:01   org.apache.catalina.logger.LoggerBase   stop
信息:   unregistering   logger   Catalina:type=Logger,host=localhost
2007-6-27   9:57:01   org.apache.catalina.logger.LoggerBase   sto