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 apache.org by Unknown author, 2 years ago
loader > (instance of sun/misc/Launcher$AppClassLoader): attempted duplicate class > definition for name: > "org/apache/openjpa/jdbc/identifier/DBIdentifier$DBIdentifierType"
Empty query.