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Brock Noland commented on HIVE-4574: ------------------------------------ I believe that HIVE-5411 will resolve this issue. > XMLEncoder thread safety issues in openjdk7 causes HiveServer2 to be stuck > -------------------------------------------------------------------------- > > Key: HIVE-4574 > URL: https://issues.apache.org/jira/browse/HIVE-4574 > Project: Hive > Issue Type: Bug > Components: HiveServer2 > Affects Versions: 0.11.0 > Reporter: Thejas M Nair > Assignee: Thejas M Nair > Attachments: HIVE-4574.1.patch > > > In open jdk7, XMLEncoder.writeObject call leads to calls to > java.beans.MethodFinder.findMethod(). MethodFinder class not thread safe > because it uses a static WeakHashMap that would get used from multiple > threads. See - > http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/com/sun/beans/finder/MethodFinder.java#46 > Concurrent access to HashMap implementation that are not thread safe can > sometimes result in infinite-loops and other problems. If jdk7 is in use, it > makes sense to synchronize calls to XMLEncoder.writeObject . -- This message was sent by Atlassian JIRA (v6.1#6144)