i used HDP-2.3.4.0-3485. I execute some queries per 150s vi hiveserver2 i found that the threads increase continue... Of course, i closed session... but thread was not kill.. so i checked the hiveserver2 using jstack i found Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.40-b25 mixed mode): "IPC Client (1445384588) connection to lognodem.hadoop.com/10.10.82.223:8020 from anonymous" #7175 daemon prio=5 os_prio=0 tid=0x00007f9bc546d800 nid=0x447b in Object.wait() [0x00007f9b8d494000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at org.apache.hadoop.ipc.Client$Connection.waitForWork(Client.java:931) - locked <0x0000000745d59d28> (a org.apache.hadoop.ipc.Client$Connection) at org.apache.hadoop.ipc.Client$Connection.run(Client.java:976) "IPC Parameter Sending Thread #178" #7173 daemon prio=5 os_prio=0 tid=0x00007f9bc4edc800 nid=0x3b1b waiting on condition [0x00007f9b89959000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000064b8bf9f0> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) "LogFDsCachecleanInActiveFDsTimer" #6810 daemon prio=5 os_prio=0 tid=0x00007f9bc41cc800 nid=0x1c0 in Object.wait() [0x00007f9b87e40000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075726d230> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6809 daemon prio=5 os_prio=0 tid=0x00007f9bc4227800 nid=0x1bf in Object.wait() [0x00007f9b8a161000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075726d548> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6800 daemon prio=5 os_prio=0 tid=0x00007f9bc45a0800 nid=0x1b3 in Object.wait() [0x00007f9b88446000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075726df98> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6799 daemon prio=5 os_prio=0 tid=0x00007f9bc49a9000 nid=0x1b2 in Object.wait() [0x00007f9b8c787000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075726e2b0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6788 daemon prio=5 os_prio=0 tid=0x00007f9bc459e000 nid=0x177 in Object.wait() [0x00007f9b907c7000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000757286c88> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6787 daemon prio=5 os_prio=0 tid=0x00007f9bc422a800 nid=0x176 in Object.wait() [0x00007f9b89757000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000757286fa0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6778 daemon prio=5 os_prio=0 tid=0x00007f9bc4834000 nid=0x16b in Object.wait() [0x00007f9b88749000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000007572141a0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6777 daemon prio=5 os_prio=0 tid=0x00007f9bc4171800 nid=0x16a in Object.wait() [0x00007f9b8e0a0000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000757213420> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6765 daemon prio=5 os_prio=0 tid=0x00007f9bc546b000 nid=0x153 in Object.wait() [0x00007f9b8894b000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000757288190> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6764 daemon prio=5 os_prio=0 tid=0x00007f9bc4c2f800 nid=0x152 in Object.wait() [0x00007f9b88a4c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000007572884a8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6755 daemon prio=5 os_prio=0 tid=0x00007f9bc422b000 nid=0x147 in Object.wait() [0x00007f9b8ab6b000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000757288ef8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6754 daemon prio=5 os_prio=0 tid=0x00007f9bc429d000 nid=0x146 in Object.wait() [0x00007f9b97a37000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000757289210> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6744 daemon prio=5 os_prio=0 tid=0x00007f9bc5175800 nid=0x13d in Object.wait() [0x00007f9b89f5f000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728a268> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6743 daemon prio=5 os_prio=0 tid=0x00007f9bc4b19000 nid=0x13c in Object.wait() [0x00007f9b9b370000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728a580> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6739 daemon prio=5 os_prio=0 tid=0x00007f9bc5173800 nid=0x138 in Object.wait() [0x00007f9b8a666000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728b550> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6738 daemon prio=5 os_prio=0 tid=0x00007f9bc4c42800 nid=0x137 in Object.wait() [0x00007f9b91ada000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728b868> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6734 daemon prio=5 os_prio=0 tid=0x00007f9bc5153800 nid=0x133 in Object.wait() [0x00007f9b89151000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728c838> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6733 daemon prio=5 os_prio=0 tid=0x00007f9bc449c000 nid=0x132 in Object.wait() [0x00007f9b89252000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728cb50> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6727 daemon prio=5 os_prio=0 tid=0x00007f9bc449a000 nid=0x7ffe in Object.wait() [0x00007f9b8a767000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728d3f8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6726 daemon prio=5 os_prio=0 tid=0x00007f9bc4d10000 nid=0x7ffd in Object.wait() [0x00007f9b8ca8a000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000075728d710> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6717 daemon prio=5 os_prio=0 tid=0x00007f9bc4496000 nid=0x7fc2 in Object.wait() [0x00007f9b89555000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651f9dbe0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6716 daemon prio=5 os_prio=0 tid=0x00007f9bc4172000 nid=0x7fc1 in Object.wait() [0x00007f9b8a868000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651f9def8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6704 daemon prio=5 os_prio=0 tid=0x00007f9bc4281800 nid=0x7fb1 in Object.wait() [0x00007f9b8eaaa000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651f66878> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6703 daemon prio=5 os_prio=0 tid=0x00007f9bc413c000 nid=0x7fb0 in Object.wait() [0x00007f9b8be7e000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651f5a4a8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6694 daemon prio=5 os_prio=0 tid=0x00007f9bc496b800 nid=0x7f9b in Object.wait() [0x00007f9b89858000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651f59b28> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6693 daemon prio=5 os_prio=0 tid=0x00007f9bc44d5000 nid=0x7f9a in Object.wait() [0x00007f9b8ac6c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651f59810> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6680 daemon prio=5 os_prio=0 tid=0x00007f9bc4aee800 nid=0x7d41 in Object.wait() [0x00007f9b8c383000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651cc2d80> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6679 daemon prio=5 os_prio=0 tid=0x00007f9bc477d800 nid=0x7d40 in Object.wait() [0x00007f9b8c484000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651cc2828> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6670 daemon prio=5 os_prio=0 tid=0x00007f9bc4296000 nid=0x7d36 in Object.wait() [0x00007f9b89c5c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651519540> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6669 daemon prio=5 os_prio=0 tid=0x00007f9bc49a2000 nid=0x7d35 in Object.wait() [0x00007f9b89d5d000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651546b68> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6658 daemon prio=5 os_prio=0 tid=0x00007f9bc465d800 nid=0x7d29 in Object.wait() [0x00007f9b8af6f000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651b3ede0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6657 daemon prio=5 os_prio=0 tid=0x00007f9bc4150000 nid=0x7d28 in Object.wait() [0x00007f9b8bd7d000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651b3f0f8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6648 daemon prio=5 os_prio=0 tid=0x00007f9bc4cd9800 nid=0x7ced in Object.wait() [0x00007f9b92cec000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000065157fba0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6647 daemon prio=5 os_prio=0 tid=0x00007f9bc4157000 nid=0x7cec in Object.wait() [0x00007f9b8b171000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650e40660> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6635 daemon prio=5 os_prio=0 tid=0x00007f9bc4c37800 nid=0x7cda in Object.wait() [0x00007f9b8a262000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650edd280> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6634 daemon prio=5 os_prio=0 tid=0x00007f9bc49a5800 nid=0x7cd9 in Object.wait() [0x00007f9b8a363000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650edd598> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6625 daemon prio=5 os_prio=0 tid=0x00007f9bc413a800 nid=0x7cca in Object.wait() [0x00007f9b8b878000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f10c88> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6624 daemon prio=5 os_prio=0 tid=0x00007f9bc472d800 nid=0x7cc9 in Object.wait() [0x00007f9b8d393000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f21828> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6613 daemon prio=5 os_prio=0 tid=0x00007f9bc4d13800 nid=0x7cbd in Object.wait() [0x00007f9b8e1a1000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f5e5a0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6612 daemon prio=5 os_prio=0 tid=0x00007f9bc4dfe000 nid=0x7cbc in Object.wait() [0x00007f9b8bf7f000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f23030> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6608 daemon prio=5 os_prio=0 tid=0x00007f9bc4667000 nid=0x7cb7 in Object.wait() [0x00007f9b8a969000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000065192ebc8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6607 daemon prio=5 os_prio=0 tid=0x00007f9bc4666800 nid=0x7cb6 in Object.wait() [0x00007f9b8aa6a000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000065192eee0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6598 daemon prio=5 os_prio=0 tid=0x00007f9bc429a000 nid=0x7cac in Object.wait() [0x00007f9b8ba7a000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006519153a0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6597 daemon prio=5 os_prio=0 tid=0x00007f9bc4295000 nid=0x7cab in Object.wait() [0x00007f9b91ede000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000065191af28> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6585 daemon prio=5 os_prio=0 tid=0x00007f9bc4148000 nid=0x7c9d in Object.wait() [0x00007f9b8ad6d000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f652f0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6584 daemon prio=5 os_prio=0 tid=0x00007f9bc4afb800 nid=0x7c9c in Object.wait() [0x00007f9b8ae6e000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f71978> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6575 daemon prio=5 os_prio=0 tid=0x00007f9bc427f800 nid=0x7c91 in Object.wait() [0x00007f9b8c585000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x000000065186c610> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6574 daemon prio=5 os_prio=0 tid=0x00007f9bc4157800 nid=0x7c90 in Object.wait() [0x00007f9b8d191000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509b0950> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6563 daemon prio=5 os_prio=0 tid=0x00007f9bc4155000 nid=0x7c55 in Object.wait() [0x00007f9b90ece000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650a81930> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6562 daemon prio=5 os_prio=0 tid=0x00007f9bc4524800 nid=0x7c54 in Object.wait() [0x00007f9b8d898000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650a81a38> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6558 daemon prio=5 os_prio=0 tid=0x00007f9bc4d11800 nid=0x7c4e in Object.wait() [0x00007f9b926e6000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006514872a8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6557 daemon prio=5 os_prio=0 tid=0x00007f9bc43ec000 nid=0x7c4d in Object.wait() [0x00007f9b8cb8b000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000651486d68> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6548 daemon prio=5 os_prio=0 tid=0x00007f9bc4229000 nid=0x7c37 in Object.wait() [0x00007f9b8b575000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650a82590> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6547 daemon prio=5 os_prio=0 tid=0x00007f9bc4228800 nid=0x7c36 in Object.wait() [0x00007f9b8b676000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650aa7030> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6534 daemon prio=5 os_prio=0 tid=0x00007f9bc495d000 nid=0x79e9 in Object.wait() [0x00007f9b8b979000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650aa7cf8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6533 daemon prio=5 os_prio=0 tid=0x00007f9bc472a800 nid=0x79e8 in Object.wait() [0x00007f9b8ce8e000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650aa7e00> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6524 daemon prio=5 os_prio=0 tid=0x00007f9bc4141000 nid=0x79dd in Object.wait() [0x00007f9b8f1b1000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006513f4768> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6523 daemon prio=5 os_prio=0 tid=0x00007f9bc54b3800 nid=0x79dc in Object.wait() [0x00007f9b904c4000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006513fe7b8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6507 daemon prio=5 os_prio=0 tid=0x00007f9bc4aff800 nid=0x799a in Object.wait() [0x00007f9b8bb7b000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f71e90> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6506 daemon prio=5 os_prio=0 tid=0x00007f9bc429b000 nid=0x7999 in Object.wait() [0x00007f9b8bc7c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f8ca40> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6497 daemon prio=5 os_prio=0 tid=0x00007f9bc5167800 nid=0x798e in Object.wait() [0x00007f9b8c181000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f8cf38> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6496 daemon prio=5 os_prio=0 tid=0x00007f9bc5167000 nid=0x798d in Object.wait() [0x00007f9b8c282000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x0000000650f72570> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6485 daemon prio=5 os_prio=0 tid=0x00007f9bc5360800 nid=0x797b in Object.wait() [0x00007f9b8e8a8000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509b1f68> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6484 daemon prio=5 os_prio=0 tid=0x00007f9bc4c45800 nid=0x797a in Object.wait() [0x00007f9b8febe000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509b1d80> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6475 daemon prio=5 os_prio=0 tid=0x00007f9bc5531000 nid=0x796f in Object.wait() [0x00007f9b8fdbd000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509ec3c8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6474 daemon prio=5 os_prio=0 tid=0x00007f9bc4528800 nid=0x796e in Object.wait() [0x00007f9b8f2b2000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509ec560> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6463 daemon prio=5 os_prio=0 tid=0x00007f9bc44c5800 nid=0x7963 in Object.wait() [0x00007f9b922e2000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509ddb10> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6462 daemon prio=5 os_prio=0 tid=0x00007f9bc431d800 nid=0x7962 in Object.wait() [0x00007f9b8dd9d000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509b2700> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6457 daemon prio=5 os_prio=0 tid=0x00007f9bc4159000 nid=0x7956 in Object.wait() [0x00007f9b8c888000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509a6980> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6456 daemon prio=5 os_prio=0 tid=0x00007f9bc4c3f800 nid=0x7955 in Object.wait() [0x00007f9b8c989000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509a6c98> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6447 daemon prio=5 os_prio=0 tid=0x00007f9bc43ea800 nid=0x7948 in Object.wait() [0x00007f9b8cc8c000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006506dc628> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6446 daemon prio=5 os_prio=0 tid=0x00007f9bc42c6000 nid=0x7947 in Object.wait() [0x00007f9b8cd8d000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509a8c10> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6435 daemon prio=5 os_prio=0 tid=0x00007f9bc52e7000 nid=0x793c in Object.wait() [0x00007f9b8d999000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509a7d68> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6434 daemon prio=5 os_prio=0 tid=0x00007f9bc4755000 nid=0x793b in Object.wait() [0x00007f9b94908000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006509a8080> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6429 daemon prio=5 os_prio=0 tid=0x00007f9bc42ca000 nid=0x7904 in Object.wait() [0x00007f9b8cf8f000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006506c6ec8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6428 daemon prio=5 os_prio=0 tid=0x00007f9bc42c9800 nid=0x7903 in Object.wait() [0x00007f9b8d090000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006506c71e0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCachecleanInActiveFDsTimer" #6419 daemon prio=5 os_prio=0 tid=0x00007f9bc472c800 nid=0x78f6 in Object.wait() [0x00007f9b8d595000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006506c7b90> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) "LogFDsCacheFlushTimer" #6418 daemon prio=5 os_prio=0 tid=0x00007f9bc472b800 nid=0x78f5 in Object.wait() [0x00007f9b8d696000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.util.TimerThread.mainLoop(Timer.java:552) - locked <0x00000006506cf0c8> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:505) LogFDsCachecleanInActiveFDsTimer was increase.... LogFDsCacheFlushTimer was increaase... so my process was died in few days.. What can i do for slove this problem.. sorry my english is not good.. thank you ... View more