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 laterInformation 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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