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 807543, 1 year ago
via by Unknown author, 2 years ago
java.lang.NoClassDefFoundError: org/apache/log4j/Layout	at com.codestudio.util.SQLManager.createPool(Unknown Source)	at Source)	at Source)	at Source)	at com.codestudio.util.SQLManager.assertLoaded(Unknown Source)	at com.codestudio.util.SQLManager.requestConnection(Unknown Source)	at com.codestudio.sql.PoolMan.connect(Unknown Source)	at java.sql.DriverManager.getConnection(	at java.sql.DriverManager.getConnection(	at pool.main(