Tomcat não Starta

Caro colegas

No StackTrace do eclipse aparece esse erro ao tentar iniciar o Tomcat, alguém já passou por problema semelhante?

apareceu hoje de manhã do nada. O que poderia ser?


GlobalResourcesLifecycleListener: Exception creating UserDatabase MBeans for UserDatabase
javax.management.MalformedObjectNameException: Missing value in properties list
	at javax.management.ObjectName.createPropertiesMap(ObjectName.java:222)
	at javax.management.ObjectName.parse(ObjectName.java:93)
	at javax.management.ObjectName.<init>(ObjectName.java:43)
	at org.apache.catalina.mbeans.MBeanUtils.createObjectName(MBeanUtils.java:1561)
	at org.apache.catalina.mbeans.MBeanUtils.createMBean(MBeanUtils.java:714)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:252)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:176)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:134)
	at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycleEvent(GlobalResourcesLifecycleListener.java:102)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:2136)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:463)
	at org.apache.catalina.startup.Catalina.execute(Catalina.java:350)
	at org.apache.catalina.startup.Catalina.process(Catalina.java:129)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:156)

Agradeço com antecedência