WARN message "Unable to to authenticate to JMX service URL [service:jmx:rmi:///jndi/rmi://127.0.0 .1:60097/jmxrmi]: Authentication failed! Credentials required" in the agent.log file

Issue

• I have agent log that spamm alot of this Warnings even thu i have delete the resource but the warning wont go away.

2014-12-16 09:48:28,259 WARN  [ResourceDiscoveryComponent.invoker.daemon-1] (org.rhq.plugins.jmx.JMXDiscoveryComponent)- Unable to to authenticate to JMX service URL [service:jmx:rmi:///jndi/rmi://127.0.0 .1:60097/jmxrmi]: Authentication failed! Credentials required

• WARN message "Unable to to authenticate to JMX service URL [service:jmx:rmi:///jndi/rmi://127.0.0 .1:60097/jmxrmi]: Authentication failed! Credentials required" in the agent.log file

• Getting below logs:

Caused by: org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException: Failed to authenticate to managed JVM - principal and/or credentials connection properties are not set correctly.

• Tomcat instance is down and agent.log file shows the exception:

Could not connect [service:jmx:rmi:///jndi/rmi://localhost:8310/jmxrmi] java.lang.SecurityException: Authentication failed! Username or password is null