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 by Unknown author, 1 year ago
via Oracle Community by herry.potter, 1 year ago
java.lang.NoClassDefFoundError: org/apache/log4j/Logger	at com.thortech.util.logging.Logger.createAndRegisterLogger(Unknown Source)	at com.thortech.util.logging.Logger.getLogger(Unknown Source)	at com.thortech.xl.util.config.ConfigurationFormatter.clinit(Unknown Source)