BEA-149500：An exception occurred while registering the MBean null

<Error> <JMX> <BEA-149500> <An exception occurred while registering the MBean null.
java.lang.IllegalArgumentException: Registered more than one instance with the same objectName : com.bea:ServerRuntime=AdminServer,Name=portal,Type=ApplicationRuntime new:weblogic.j2ee.J2EEApplicationRuntimeMBeanImpl@13e959da existing weblogic.j2ee.J2EEApplicationRuntimeMBeanImpl@135ebbc5
        at weblogic.management.jmx.ObjectNameManagerBase.registerObject(ObjectNameManagerBase.java:168)
        at weblogic.management.mbeanservers.internal.WLSObjectNameManager.lookupObjectName(WLSObjectNameManager.java:131)
        at weblogic.management.jmx.modelmbean.WLSModelMBeanFactory.registerWLSModelMBean(WLSModelMBeanFactory.java:87)
        at weblogic.management.mbeanservers.internal.RuntimeMBeanAgent$1.registered(RuntimeMBeanAgent.java:105)
        at weblogic.management.provider.core.RegistrationManagerBase.invokeRegistrationHandlers(RegistrationManagerBase.java:180)
        Truncated. see log file for complete stacktrace

 

以上错误的原因是新加的一个数据源名称和我们一个项目的名称相同，导致weblogic不能识别2个同名的实例名，

并不影响系统的运行，若不想看到这个错误，包项目名称换成别的。