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EM 13.4: OUI Fails with Exception: Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError (Doc ID 2638733.1)

Last updated on FEBRUARY 13, 2020

Applies to:

Enterprise Manager Base Platform - Version 13.4.0.0.0 and later
Information in this document applies to any platform.

Symptoms

When attempting to install EM 13.4 OMS using the OUI, an exception is thrown at the MOS credentials for OCM configuration page.

 

# ./em13400_linux64.bin -J-Djava.io.tmpdir=/<oms_temp>/tmp

ScratchPathValue :/<oms_temp>/tmp/OraInstall2020-02-12_11-12-19AM

Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: oracle/ewt/lwAWT/LWComponent

at oracle.sysman.install.oneclick.ocm.EMGCOCMProxy.mkMllLabel(EMGCOCMProxy.java:1433)

at oracle.sysman.install.oneclick.ocm.EMGCOCMProxy.createUI(EMGCOCMProxy.java:488)

at oracle.sysman.install.oneclick.ocm.EMGCOCMProxy.<init>(EMGCOCMProxy.java:205)

at oracle.sysman.install.oneclick.ocm.EMGCOCMUI.validateConnection(EMGCOCMUI.java:454)

at oracle.sysman.install.oneclick.ocm.EMGCOCMUI.validateInputs(EMGCOCMUI.java:571)

at oracle.sysman.install.oneclick.ocm.EMGCOCMInterfaceManager.validate(EMGCOCMInterfaceManager.java:246)

...

java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)

at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

Caused by: java.lang.ClassNotFoundException: oracle.ewt.lwAWT.LWComponent

at java.net.URLClassLoader.findClass(URLClassLoader.java:382)

at java.lang.ClassLoader.loadClass(ClassLoader.java:418)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)

at java.lang.ClassLoader.loadClass(ClassLoader.java:351)

... 29 more

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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