ClassNotFoundException: (no security manager: RMI class loader disabled)
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ClassNotFoundException: (no security manager: RMI class loader disabled)


Article ID: 200201


Updated On:


CA Application Performance Management Agent (APM / Wily / Introscope) CA Application Performance Management (APM / Wily / Introscope) INTROSCOPE DX Application Performance Management


Not able to monitor MDM Application Backend metrics.

The Application Logs contain:  

Caused by: java.lang.ClassNotFoundException: (no security manager: RMI class loader disabled)

at sun.rmi.server.LoaderHandler.loadClass(

at sun.rmi.server.LoaderHandler.loadClass(

at java.rmi.server.RMIClassLoader$2.loadClass(

at java.rmi.server.RMIClassLoader.loadClass(

at java.rmi.server.RMIClassLoader.loadClass(

at javax.rmi.CORBA.Util.loadDelegateClass(

at javax.rmi.CORBA.Util.createDelegate(


Release : 10.7.0

Component : APM Agents

WebSphere Platform [ND cf071808.01]
Host Operating System is Linux, version 3.10.0-957.12.1.el7.x86_64
Java version = 1.8.0_181, Java Runtime Version = - pxa6480sr5fp22-20180919_01(SR5 FP22), Java Compiler = j9jit29, Java VM name = IBM J9 VM

 Agent Release (Build 992906)
 Using Java VM version "IBM J9 VM 1.8.0_181" from IBM Corporation
 Loaded file from /wily/core/config/IntroscopeAgent.profile

Note: Copy of AgentNoRedefNoretrans.profile 

classpath: /wily/AgentNoRedefNoRetrans.jar


IBM Websphere related issue 


For this particular java.lang.ClassNotFoundException:,

there was an IBM support article suggesting to upgrade to WAS or newer fix pack