Race condition in the MetaDataRepository
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Key: OPENJPA-1350
URL: https://issues.apache.org/jira/browse/OPENJPA-1350
Project: OpenJPA
Issue Type: Bug
Components: kernel
Reporter: Rick Curtis
There is a race condition in the MetaDataRepository where if multiple threads
try to get MetaData for the same alias, one or more of the threads can get
incorrect data. This can only occur on the first (few) thread(s). After init is
complete, the problem does not occur.
The error that is observed is the following:
<openjpa-2.0.0-SNAPSHOT-r422266:824454M fatal user error>
org.apache.openjpa.util.MetaDataException: Could not locate metadata for the
class using alias "MdrTestEntity". Perhap
s you meant MdrTestEntity, which is a close match. This could mean that you
have mis-spelled the alias, or that OpenJPA failed to properly load the
metadata for the type whose
alias is "MdrTestEntity". Registered alias mappings: "{MdrTestEntity=[class
org.apache.openjpa.persistence.meta.MdrTestEntity]}"
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