Kazunari Nakao created DIRMINA-1167:
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Summary: mina2.0.8 NioProcessor thread make cpu 100%
Key: DIRMINA-1167
URL: https://issues.apache.org/jira/browse/DIRMINA-1167
Project: MINA
Issue Type: Bug
Components: Core
Affects Versions: 2.0.8
Environment: Linux version 4.18.0-193.el8.x86_64
java.version 1.8.0_202
Reporter: Kazunari Nakao
Using SSHD (sshd-core-0.14.0) with our product, CPU 100% in NioProcessor thread.
{code:java}
"NioProcessor-11" #2262170 prio=5 os_prio=0 tid=0x00007f4ec6020800 nid=0x157b9e
runnable [0x00007f4e9aeef000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
- locked <0x00000000e0932158> (a sun.nio.ch.Util$3)
- locked <0x00000000e0932148> (a java.util.Collections$UnmodifiableSet)
- locked <0x00000000e0931f10> (a sun.nio.ch.EPollSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
at
org.apache.mina.transport.socket.nio.NioProcessor.select(NioProcessor.java:97)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1074)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Locked ownable synchronizers:
- <0x00000000e0a089a8> (a
java.util.concurrent.ThreadPoolExecutor$Worker)
"NioProcessor-13" #2269881 prio=5 os_prio=0 tid=0x00007f4ec4c53800 nid=0x1628d1
runnable [0x00007f4eb61d4000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
at sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:317)
at sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:207)
- locked <0x00000000e0931da0> (a java.lang.Object)
at
org.apache.mina.transport.socket.nio.NioProcessor.wakeup(NioProcessor.java:113)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1163)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Locked ownable synchronizers:
- <0x00000000e0a1cc48> (a
java.util.concurrent.ThreadPoolExecutor$Worker)
"NioProcessor-10" #1144555 prio=5 os_prio=0 tid=0x00007f4ec5f78000 nid=0xf3d93
runnable [0x00007f4ea2081000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
at sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:317)
at sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:207)
- locked <0x00000000e0932860> (a java.lang.Object)
at
org.apache.mina.transport.socket.nio.NioProcessor.wakeup(NioProcessor.java:113)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1163)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Locked ownable synchronizers:
- <0x00000000e0975c90> (a
java.util.concurrent.ThreadPoolExecutor$Worker)
{code}
I am doing a machine translation, so please forgive any unnatural parts.
CPU is at 100% in 3 threads.
Is this the same bug as DIRMINA-1006?
If it is the same as DIRMINA-1006
If it is the same as DIRMINA-1006, please let me know how to reproduce it so
that it does not recur.
plese help.
mina2.0.9 NioProcessor thread make cpu 100%
https://issues.apache.org/jira/browse/DIRMINA-1006
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