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Xuefu Zhang commented on HIVE-3632: ----------------------------------- To compile and run hive on JDK7, DataNucleus needs to be upgraded. The current plan is to upgrade using the following library versions: datanucleus-api-jdo-3.2.1.jar datanucleus-rdbms-3.2.1.jar datanucleus-core-3.2.2.jar. These versions work for both JDK6 and JDK7. After upgrade, there is only a few test failures with JDK6. Besides the unit tests, more tests will be conducted. This is related to HIVE-2084, but the goal here is slightly different. Of course, the upgrade needs to address all issues that may arise. > Upgrade datanucleus to support JDK7 > ----------------------------------- > > Key: HIVE-3632 > URL: https://issues.apache.org/jira/browse/HIVE-3632 > Project: Hive > Issue Type: Bug > Components: Metastore > Affects Versions: 0.9.1, 0.10.0 > Reporter: Chris Drome > Assignee: Xuefu Zhang > Priority: Critical > > I found serious problems with datanucleus code when using JDK7, resulting in > some sort of exception being thrown when datanucleus code is entered. > I tried source=1.7, target=1.7 with JDK7 as well as source=1.6, target=1.6 > with JDK7 and there was no visible difference in that the same unit tests > failed. > I tried upgrading datanucleus to 3.0.1, as per HIVE-2084.patch, which did not > fix the failing tests. > I tried upgrading datanucleus to 3.1-release, as per the advise of > http://www.datanucleus.org/servlet/jira/browse/NUCENHANCER-86, which suggests > using ASMv4 will allow datanucleus to work with JDK7. I was not successful > with this either. > I tried upgrading datanucleus to 3.1.2. I was not successful with this either. > Regarding datanucleus support for JDK7+, there is the following JIRA > http://www.datanucleus.org/servlet/jira/browse/NUCENHANCER-81 > which suggests that they don't plan to actively support JDK7+ bytecode any > time soon. > I also tested the following JVM parameters found on > http://veerasundar.com/blog/2012/01/java-lang-verifyerror-expecting-a-stackmap-frame-at-branch-target-jdk-7/ > with no success either. > This will become a more serious problem as people move to newer JVMs. If > there are other who have solved this issue, please post how this was done. > Otherwise, it is a topic that I would like to raise for discussion. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira