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https://issues.apache.org/jira/browse/CASSANDRA-6964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13995167#comment-13995167
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Jonathan Ellis edited comment on CASSANDRA-6964 at 5/12/14 3:26 PM:
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with CASSANDRA-6236 resolved, is this still an issue?
was (Author: jbellis):
with CASSANDRA-6236, is this still an issue?
> error in logs: ByteBuf.release() was not called before it's garbage-collected
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-6964
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6964
> Project: Cassandra
> Issue Type: Bug
> Reporter: Russ Hatch
> Fix For: 2.1 rc1
>
> Attachments: node1.log
>
>
> Running some of our paging tests against 2.1 several of these exceptions are
> triggered:
> {noformat}
> run_tests:
> [java] SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
> [java] SLF4J: Defaulting to no-operation (NOP) logger implementation
> [java] SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for
> further details.
> [java] test_zero_page_size_ignored (__main__.TestPagingSize) ... ERROR
> [java]
> [java]
> ======================================================================
> [java] ERROR: test_zero_page_size_ignored (__main__.TestPagingSize)
> [java]
> ----------------------------------------------------------------------
> [java] Traceback (most recent call last):
> [java] File
> "/home/rhatch/git/knifewine/cassandra-dtest-jython/base.py", line 152, in
> tearDown
> [java] raise AssertionError('Unexpected error in %s node log: %s' %
> (node.name, errors))
> [java] AssertionError: Unexpected error in node1 node log: ["ERROR
> [nioEventLoopGroup-3-2] 2014-03-31 17:16:44,337 Slf4JLogger.java:176 - LEAK:
> ByteBuf.release() was not called before it's garbage-collected. Enable
> advanced leak reporting to find out where the leak occurred. To enable
> advanced leak reporting, specify the JVM option
> '-Dio.netty.leakDetectionLevel=advanced' or call
> ResourceLeakDetector.setLevel()\n"]
> [java]
> [java]
> ----------------------------------------------------------------------
> [java] Ran 1 test in 37.876s
> [java]
> [java] FAILED (errors=1)
> {noformat}
> These tests are run through jython with the java driver, so there's a little
> bit of setup needed (if you have ccm and dtest you are most of the way there):
> 1. clone and set up https://github.com/riptano/cassandra-dtest-jython . You
> may need to install ivy and copy ivy.jar to ~/.ant/lib/ivy.jar
> 2. you should have ccm, and CASSANDRA_DIR should be set in your environment
> 3. from the root of cassandra-dtest-jython run the tests with 'ant
> run_tests'. The tests take about 10 minutes run completely.
> 4. if you don't want to wait for the entire test suite to run, change the
> bottom of paging_test.py to just run a single test like so:
> {noformat}
> if __name__ == '__main__':
> suite = unittest.TestSuite()
> suite.addTest(TestPagingSize("test_zero_page_size_ignored"))
>
> unittest.TextTestRunner(verbosity=2).run(suite)
>
> exit(0)
> {noformat}
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