嚴重: createMBeans: Throwable java.lang.NullPointerException
at org.apache.catalina.mbeans.MBeanUtils.createObjectName(MBeanUtils.java:1086)
at org.apache.catalina.mbeans.MBeanUtils.createMBean(MBeanUtils.java:504)
at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:570)
at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:366)
at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:535)
at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:498)
at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:656)
at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:628)
at org.apache.catalina.mbeans.ServerLifecycleListener.createMBeans(ServerLifecycleListener.java:278)
at org.apache.catalina.mbeans.ServerLifecycleListener.lifecycleEvent(ServerLifecycleListener.java:129)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:747)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
2014-12-17 15:27:34 org.apache.catalina.core.StandardService start
<Context debug="0" crossContext="true" reloadable="true" docBase="D:\\product\\ssmm_demo\\target\\ssmm_demo"/>
改成
<Context debug="0" crossContext="true" reloadable="true" docBase="D:\\product\\ssmm_demo\\target\\ssmm_demo" path=""/>
缺一個path,加上即可。下面順便介紹一下這個配置裏的各個屬性的含義:
docBase 指出你的war包存放路徑
debug 爲設定debug的等級0提供最少的信息,9提供最多的信息
reloadable=true時 當web.xml或者class有改動的時候都會自動重新加載不需要從新啓動服務
crosscontext="true"表示配置的不同context共享一個session