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Posted to dev@avro.apache.org by "vincent ye (JIRA)" <ji...@apache.org> on 2015/12/23 22:39:46 UTC

[jira] [Created] (AVRO-1773) Infinite loop caused by race condition

vincent ye created AVRO-1773:
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             Summary: Infinite loop caused by race condition
                 Key: AVRO-1773
                 URL: https://issues.apache.org/jira/browse/AVRO-1773
             Project: Avro
          Issue Type: Sub-task
          Components: java
    Affects Versions: 1.7.7
            Reporter: vincent ye
            Priority: Critical


org.apache.avro.LogicalTypes#fromSchemaIgnoreInvalid lookups and update  CACHE. CACHE is backed by hashmap without synchronization. In a multithreaded environment, it causes a infinite loop in hashmap lookup. The race condition problem is described in the following blog http://mailinator.blogspot.com/2009/06/beautiful-race-condition.html.

I experience this infinite loop in Spark jobs with high concurrency.



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