Windows dtest 3.0: jmx_test.py:TestJMX.netstats_test fails

Unexpected error in node1 node log: ['ERROR [HintedHandoff:2] 2015-08-16 23:14:04,419 CassandraDaemon.java:191 - Exception in thread Thread[HintedHandoff:2,1,main] org.apache.cassandra.exceptions.WriteFailureException: Operation failed - received 0 responses and 1 failures \tat org.apache.cassandra.service.AbstractWriteResponseHandler.get(AbstractWriteResponseHandler.java:106) ~[main/:na] \tat org.apache.cassandra.db.HintedHandOffManager.checkDelivered(HintedHandOffManager.java:358) ~[main/:na] \tat org.apache.cassandra.db.HintedHandOffManager.doDeliverHintsToEndpoint(HintedHandOffManager.java:414) ~[main/:na] \tat org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:346) ~[main/:na] \tat org.apache.cassandra.db.HintedHandOffManager.access$400(HintedHandOffManager.java:91) ~[main/:na] \tat org.apache.cassandra.db.HintedHandOffManager$5.run(HintedHandOffManager.java:537) ~[main/:na] \tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_45] \tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_45] \tat java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_45]']
-------------------- >> begin captured logging << --------------------
dtest: DEBUG: cluster ccm directory: d:\temp\dtest-j1ttp3
dtest: DEBUG: Nodetool command 'D:\jenkins\workspace\cassandra-3.0_dtest_win32\cassandra\bin\nodetool.bat -h localhost -p 7100 netstats' failed; exit status: 1; stdout: Starting NodeTool
; stderr: nodetool: Failed to connect to 'localhost:7100' - ConnectException: 'Connection refused: connect'.

dtest: DEBUG: removing ccm cluster test at: d:\temp\dtest-j1ttp3
dtest: DEBUG: clearing ssl stores from [d:\temp\dtest-j1ttp3] directory
--------------------- >> end captured logging << ---------------------

Traceback (most recent call last):
  File "c:\src\cassandra-dtest\dtest.py", line 532, in tearDown
    raise AssertionError('Unexpected error in %s node log: %s' % (node.name, errors))
AssertionError: Unexpected error in node1 node log: ['ERROR [main] 2015-08-17 15:42:07,717 NoSpamLogger.java:97 - This platform does not support atomic directory streams (SecureDirectoryStream); race conditions when loading sstable files could occurr', 'ERROR [main] 2015-08-17 15:50:43,978 NoSpamLogger.java:97 - This platform does not support atomic directory streams (SecureDirectoryStream); race conditions when loading sstable files could occurr']