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From "Karl Mueller (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-6435) nodetool outputs xss and jamm errors in 1.2.12
Date Tue, 03 Dec 2013 00:22:35 GMT
Karl Mueller created CASSANDRA-6435:

             Summary: nodetool outputs xss and jamm errors in 1.2.12
                 Key: CASSANDRA-6435
             Project: Cassandra
          Issue Type: Bug
            Reporter: Karl Mueller
            Priority: Minor

Since 1.2.12, just running nodetool is producing this output. Probably this is related to

it's unclear to me whether jamm is actually not being loaded, but clearly nodetool should
not be having this output, which is likely from

[cassandra@dev-cass00 cassandra]$ /data2/cassandra/bin/nodetool ring
xss =  -ea -javaagent:/data2/cassandra/bin/../lib/jamm-0.2.5.jar -XX:+UseThreadPriorities
-XX:ThreadPriorityPolicy=42 -Xms14G -Xmx14G -Xmn1G -XX:+HeapDumpOnOutOfMemoryError -Xss256k
Note: Ownership information does not include topology; for complete information, specify a

Datacenter: datacenter1
Address      Rack        Status State   Load            Owns                Token
                                                                            170141183460469231731687303715884105727  rack1       Up     Normal  123.82 GB       20.00%              34028236692093846346337460743176821145  rack1       Up     Normal  124 GB          20.00%              68056473384187692692674921486353642290  rack1       Up     Normal  123.97 GB       20.00%              102084710076281539039012382229530463436  rack1       Up     Normal  124.03 GB       20.00%              136112946768375385385349842972707284581  rack1       Up     Normal  123.93 GB       20.00%              170141183460469231731687303715884105727

ERROR 16:20:01,408 Unable to initialize MemoryMeter (jamm not specified as javaagent).  This
means Cassandra will be unable to measure object sizes accurately and may consequently OOM.

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