Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by 983751, 1 year ago
via Oracle Community by 842263, 1 year ago
via GitHub by axelson
, 1 year ago
This exception has no message.
via Google Groups by Andrea Todaro (Euriware), 2 years ago
This exception has no message.
via YouTrack by Unknown author, 2 years ago
java.lang.NullPointerException: 	at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)	at weblogic.management.mbeanservers.internal.JMXContextInterceptor.getMBeanContextLoader(JMXContextInterceptor.java:475)	at weblogic.management.mbeanservers.internal.JMXContextInterceptor.getAttribute(JMXContextInterceptor.java:146)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$12.run(WLSMBeanServerInterceptorBase.java:326)	at java.security.AccessController.doPrivileged(Native Method)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.getAttribute(WLSMBeanServerInterceptorBase.java:324)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$12.run(WLSMBeanServerInterceptorBase.java:326)	at java.security.AccessController.doPrivileged(Native Method)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.getAttribute(WLSMBeanServerInterceptorBase.java:324)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$12.run(WLSMBeanServerInterceptorBase.java:326)	at java.security.AccessController.doPrivileged(Native Method)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.getAttribute(WLSMBeanServerInterceptorBase.java:324)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$12.run(WLSMBeanServerInterceptorBase.java:326)	at java.security.AccessController.doPrivileged(Native Method)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.getAttribute(WLSMBeanServerInterceptorBase.java:324)	at weblogic.management.mbeanservers.internal.SecurityInterceptor.getAttribute(SecurityInterceptor.java:299)	at weblogic.management.jmx.mbeanserver.WLSMBeanServer.getAttribute(WLSMBeanServer.java:279)	at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$5$1.run(JMXConnectorSubjectForwarder.java:326)	at java.security.AccessController.doPrivileged(Native Method)	at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$5.run(JMXConnectorSubjectForwarder.java:324)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)	at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder.getAttribute(JMXConnectorSubjectForwarder.java:319)	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1431)	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:74)	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1295)	at java.security.AccessController.doPrivileged(Native Method)	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1394)	at javax.management.remote.rmi.RMIConnectionImpl.getAttribute(RMIConnectionImpl.java:630)	at javax.management.remote.rmi.RMIConnectionImpl_WLSkel.invoke(Unknown Source)	at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:667)	at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:522)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)	at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:518)	at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)