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My Java project when I run it on local server (localhost:8080) is throwing an error: java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver

This error is thrown when Hibernate is trying to connect to Oracle database on

 session = PersistenceManager.sessionFactory().openSession();

When I deploy app to Production or Test server there is no problem. In order to troubleshoot I need to make it work on my local machine. What am I missing?

First I thought that Oracle drivers are missing so I downloaded classes12.jar and added it to Java Build Path > Libraries. That didn't help. I am still getting same error.

Thanks

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  • The Java Build path is the classpath used to compile your Java code. It's not the same thing as the classpath used to run the deployed application. If it's a web app, the jar should be in the appserver classpath, or in the war's WEB-INF/lib directory. Commented Aug 29, 2011 at 19:49

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ojdbc6.jar is the jar for the oracle jdbc driver - make sure it's on the classpath

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It might be on your build path but is it on the classpath of your app server ?

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Thanks. It was not. I copied ojdbc14.jar from lib folder from Test server to lib folder on my local machine and everything works now.

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