Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by loren_, 1 year ago
This exception has no message.
via liferay.com by Unknown author, 2 years ago
via liferay.com by Unknown author, 1 year ago
This exception has no message.
via liferay.com by Unknown author, 1 year ago
This exception has no message.
via liferay.com by Unknown author, 2 years ago
java.lang.NullPointerException: 	at org.apache.catalina.loader.WebappClassLoader.getURLs(WebappClassLoader.java:1586)	at com.sun.enterprise.web.WebModuleListener$InstrumentableWebappClassLoader.copy(WebModuleListener.java:291)	at com.sun.enterprise.server.PersistenceUnitInfoImpl.getNewTempClassLoader(PersistenceUnitInfoImpl.java:216)	at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:550)