Cannot Log In Error Message javax.servlet.ServletException: java.lang.ExceptionInInitializerError

Symptoms

When users try to log in to the application, it always raises the error javax.servlet.ServletException: java.lang.ExceptionInInitializerError.

Cause

This error happens when something goes wrong while starting the OpenKM repository. Possible causes are:

• Unexpected or improper server shutdown that has corrupted the Lucene search engine.
• The OpenKM application stopped unexpectedly. Usually the process was killed while the Lucene search engine was still performing some operations in the background.

Diagnosis

Check the application log for Lucene search engine errors.

Solution

If the log file shows a "write.lock" error, simply - with OpenKM stopped - remove the two write.lock files from $TOMCAT_HOME/repository/index/com.openkm.dao.bean.NodeBase and $TOMCAT_HOME/repository/index/com.openkm.dao.bean.NodeDocument and start the application again.

If the previous step does not solve the error, you must rebuild the entire search index. To do this - with OpenKM stopped - delete the folder $TOMCAT_HOME/repository/index. Start OpenKM and then, from Administration, execute the action "Rebuild Indexes".

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