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https://issues.apache.org/jira/browse/FLINK-20891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17260494#comment-17260494
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zlzhang0122 commented on FLINK-20891:
-------------------------------------
[INFO] Running org.apache.flink.runtime.metrics.utils.SystemResourcesCounterTest
Exception in thread "SystemResourcesCounter probing thread"
java.lang.UnsatisfiedLinkError: Failed to create temporary file for
/com/sun/jna/linux-x86-64/libjnidispatch.so library: Permission denied
at com.sun.jna.Native.loadNativeDispatchLibraryFromClasspath(Native.java:866)
at com.sun.jna.Native.loadNativeDispatchLibrary(Native.java:826)
at com.sun.jna.Native.(Native.java:140)
at oshi.jna.platform.linux.Libc.(Libc.java:38)
at
oshi.hardware.platform.linux.LinuxCentralProcessor.getSystemLoadAverage(LinuxCentralProcessor.java:218)
at
org.apache.flink.runtime.metrics.util.SystemResourcesCounter.calculateCPUUsage(SystemResourcesCounter.java:210)
at
org.apache.flink.runtime.metrics.util.SystemResourcesCounter.run(SystemResourcesCounter.java:103)
> SystemResourcesCounterTest may caused endless loop when some error occured
> ---------------------------------------------------------------------------
>
> Key: FLINK-20891
> URL: https://issues.apache.org/jira/browse/FLINK-20891
> Project: Flink
> Issue Type: Bug
> Components: Tests
> Affects Versions: 1.12.0, 1.11.1
> Reporter: zlzhang0122
> Priority: Major
>
> When the function run() in class SystemResourcesCounter come across
> Throwable exception, the SystemResourcesCounter thread will finish and the
> loop in the class SystemResourcesCounterTest will continue because of the
> condition is still true, and no message will occured. The test will in a
> endless loop.
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