ClassNotFoundException after enabling a Java Agent on JBoss EAP 6.x
Issue
- A
ClassNotFoundExceptionoccurs during start up of JBoss EAP 6.x in standalone mode after enabling a Java Agent (specifically the Introscope Agent). Thestandalone.confwas updated to include the Introscope Agent:
# enable Introscope agent
WILY_OPTIONS="-javaagent:/hosting/products/introscope/Agent.jar -Dcom.wily.introscope.agentProfile=/hosting/products/introscope/core/config/bofa/R3.profile -Dcom.wily.introscope.agent.agentName=r3-sit1-01"
JAVA_OPTS="${WILY_OPTIONS} ${JAVA_OPTS}"
The instance couldn't be started. Here is the error from the server.log:
Exception in thread "main" java.lang.NoClassDefFoundError: com/wily/introscope/agent/probe/io/ManagedFileInputStream
at java.lang.Class.getDeclaredConstructors0(Native Method)
...
Caused by: java.lang.ClassNotFoundException: com.wily.introscope.agent.probe.io.
ManagedFileInputStream from [Module "org.codehaus.woodstox:main" from local modu
le loader @3fd03371 (roots: /var/lib/jboss-eap-6.0/modules)]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:
190)
...
Environment
- Red Hat JBoss Enterprise Application Platform (EAP)
- 6.x
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
