Unable to obtain an object lock on null java.lang.string




















Both queries in your code snippet are different from the query in the stack trace. Roel De Nijs wrote: Thirumani Selvam Muthuswamy wrote: what is wrong in that If the error message mentions that a table or view does not exist, you are using a table or view in your query that does not exist in your database.

You showed up just in time for the waffles! And this tiny ad:. Boost this thread! JPA: Special considerations for concurrent transactions? Problem with openJPA. Problem with openJpa. Type: Bug Component: core-libs Sub-Component: java. Submitted: Updated: Resolved: We have supplied a sample program below that demos this problem.

The sample will repeatedly attempt to obtain an exclusive lock on a file and then, once it has gained it will pause for 30 seconds before releasing the lock again. File; import java. NotSerializableException; import java. RandomAccessFile; import java. Active Oldest Votes. Hope this answer helps somebody who comes to this page looking for answers. Sign up or log in Sign up using Google. Sign up using Facebook.

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