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Failed To Start Node Manager Due To ClassNotFoundException: com.oracle.classloader.weblogic.LaunchClassLoader (Doc ID 2587523.1)

Last updated on JULY 03, 2020

Applies to:

Oracle WebLogic Server - Version 12.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

On : 12.2.1.0.0 version, WLS-Config (non-component)

When attempting to start NodeManager the following error occurs.

ERROR
-----------------------
startNodeManager.sh


NODEMGR_HOME is already set to <ORACLE_HOME>/user_projects/domains/<DOMAINNAME>/nodemanager
CLASSPATH=<PATH>/sunjdk8/lib/tools.jar:<ORACLE_HOME>/wlserver/server/lib/weblogic.jar:<ORACLE_HOME>/wlserver/../oracle_common/modules/net.sf.antcontrib_1.1.0.0_1-0b3/lib/ant-contrib.jar:<ORACLE_HOME>/wlserver/modules/features/oracle.wls.common.nodemanager.jar::<ORACLE_HOME>/wlserver/..
+ <PATH>/sunjdk8/bin/java -server -Xms32m -Xmx200m -Dcoherence.home=<ORACLE_HOME>/wlserver/../coherence -Dbea.home=<ORACLE_HOME>/wlserver/.. -Dweblogic.RootDirectory=<ORACLE_HOME>/user_projects/domains/<DOMAINNAME> -Djava.system.class.loader=com.oracle.classloader.weblogic.LaunchClassLoader -Djava.security.policy=<ORACLE_HOME>/wlserver/server/lib/weblogic.policy -Dweblogic.nodemanager.JavaHome=<PATH>/sunjdk8 weblogic.NodeManager -v
Error occurred during initialization of VM
java.lang.Error: java.lang.ClassNotFoundException: com.oracle.classloader.weblogic.LaunchClassLoader
  at java.lang.ClassLoader.initSystemClassLoader(ClassLoader.java:1469)
  at java.lang.ClassLoader.getSystemClassLoader(ClassLoader.java:1436)
Caused by: java.lang.ClassNotFoundException: com.oracle.classloader.weblogic.LaunchClassLoader
  at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
  at java.lang.Class.forName0(Native Method)
  at java.lang.Class.forName(Class.java:348)
  at java.lang.SystemClassLoaderAction.run(ClassLoader.java:2209)
  at java.lang.SystemClassLoaderAction.run(ClassLoader.java:2195)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.lang.ClassLoader.initSystemClassLoader(ClassLoader.java:1456)
  at java.lang.ClassLoader.getSystemClassLoader(ClassLoader.java:1436)




BUSINESS IMPACT
-----------------------
The issue has the following business impact:
Due to this issue, cannot run/use NodeManager

Cause

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In this Document
Symptoms
Cause
Solution
References


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