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From John Embretsen <John.Embret...@Sun.COM>
Subject Re: Problems with Derby
Date Thu, 12 Apr 2007 11:28:47 GMT
Andrew Norman wrote:
> I have a series of unit tests for our application. Due to issues with 
> the metadata, I have upgraded to the latest official release ( 
> and have started getting the following error message appearing in my tests.
> Caused by: java.lang.SecurityException: sealing violation: package 
> org.apache.derby.iapi.services.crypto is sealed


> Any ideas on what I should look at.

Such sealing violations usually happen when classes in the same Java package are 
attempted loaded from different sources (jar files). Please double check that 
you don't have multiple versions of the same jar files in your classpath, 
especially multiple derby.jar files.


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