NPE: isInstanceOf on Class loaded by bootstrap classloader
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Key: JBAS-1492
URL: http://jira.jboss.com/jira/browse/JBAS-1492
Project: JBoss Application Server
Type: Bug
Components: JMX
Versions: JBossAS-4.0.1 Final
Environment: [ServerInfo] Java version: 1.5.0_01,Sun Microsystems Inc.
[ServerInfo] Java VM: Java HotSpot(TM) Server VM 1.5.0_01-b08,Sun Microsystems
Inc.
[ServerInfo] OS-System: Linux 2.4.21-4.EL,i386
Reporter: Michael Kopp
I called JMXConnectorServerFactory.newJMXConnectorServer to instantiate a
RMIConnectorServer and registered it in the jboss mbean server. (Inside the
Jboss AS 4.0.1).
The resulting class javax.management.remote.rmi.RMIConnectorServer does not
return a classloader in the call RMIConnectorServer.class.getClassLoader(),
which is legal according to the jdk api documentation (see
java.lang.Class#getClassLoader).
Unfortunatelly the isInstanceOf method of org.jboss.mx.server.MBeanServerImpl
does not take this into account. Thus I get a NullPointerException if I call
isInstanceOf on that particular MBean.
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