Log exception during Tomcat 6 startup in Linux

./Startup. Sh

Using catalina_base:/software/Apache-Tomcat-6.0.18
Using catalina_home:/software/Apache-Tomcat-6.0.18
Using catalina_tmpdir:/software/Apache-Tomcat-6.0.18/temp
Using jre_home:/usr

Run the following command:
PS-Ef | grep Tomcat

Check that no Tomcat process exists.

View Tomcat log information. The following error occurs:
Warning: Error instantiating 'org. Apache. Juli. classloaderlogmanager 'referenced by Java. util. Logging. Manager, class not found
Java. Lang. classnotfoundexception: org. Apache. Juli. classloaderlogmanager not found
>>> No stacktrace available >>;
Warning: Error instantiating '1catalina. org. Apache. Juli. filehandler, 'referenced by handlers, class not found
Java. Lang. classnotfoundexception: 1catalina.org. Apache. Juli. filehandler,
>>> No stacktrace available >>;
Exception during runtime Initialization
Java. Lang. exceptionininitializererror
>>> No stacktrace available >>;
Caused by: Java. Lang. nullpointerexception
>>> No stacktrace available >>;

Final Solution:
Run the following command to set the java_home environment variable:
Export java_home =/software/jdk1.5.0 _ 4/
Enter % Tomcat %/bin/

./Startup. Sh

Started successfully!

From: http://www.blogjava.net/baizhihui19870626/articles/377530.html