NoClassDefFoundError in Tomcat EAR-WAR
Symptoms
The following error occurs during startup in the Tomcat EAR/WAR configuration:
Apr 30, 2009 5:01:57 PM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Error configuring application listener of class com.atlassian.jira.appconsistency.db.DatabaseCompatibilityEnforcer
java.lang.NoClassDefFoundError: org/apache/log4j/Logger
OR
2012-05-08 14:00:07,227 main ERROR [atlassian.jira.startup.LauncherContextListener] Unable to start JIRA.
com.atlassian.util.concurrent.LazyReference$InitializationException: java.lang.NoClassDefFoundError: javax/transaction/Status
Cause
The log4j libraries are either missing or not the correct version for your specific version of Tomcat.
Resolution
Ensure you downloaded the extra libraries required for Tomcat which are linked in our guides for Tomcat. You must use the specific library version for your respective Tomcat version (Tomcat 6.x needs jira-jars-tomcat6.zip, Tomcat 5.x needs jira-jars-tomcat5.zip).
Last modified on Mar 30, 2016
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