Piotr Przybylski created FLINK-39151:
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Summary: Hide warning about UnixOperatingSystemMXBean missing on
Windows
Key: FLINK-39151
URL: https://issues.apache.org/jira/browse/FLINK-39151
Project: Flink
Issue Type: Improvement
Reporter: Piotr Przybylski
Starting MiniCluster tests on Windows result in a scary looking warning:
{code:java}
23:31:05.218 [ScalaTest-run-running-SimpleJoinTest] WARN
o.a.f.r.metrics.util.MetricUtils - Cannot access
com.sun.management.UnixOperatingSystemMXBean.getOpenFileDescriptorCount() -
FileDescriptor metrics will not be available.
java.lang.UnsupportedOperationException: Can't find
com.sun.management.UnixOperatingSystemMXBean in JVM.
at
org.apache.flink.runtime.metrics.util.MetricUtils.instantiateFileDescriptorMetrics(MetricUtils.java:355)
at
org.apache.flink.runtime.metrics.util.MetricUtils.instantiateStatusMetrics(MetricUtils.java:142)
at
org.apache.flink.runtime.metrics.util.MetricUtils.createAndInitializeStatusMetricGroup(MetricUtils.java:129)
at
org.apache.flink.runtime.metrics.util.MetricUtils.instantiateTaskManagerMetricGroup(MetricUtils.java:117)
at
org.apache.flink.runtime.taskexecutor.TaskManagerRunner.startTaskManager(TaskManagerRunner.java:637)
at
org.apache.flink.runtime.minicluster.MiniCluster.startTaskManager(MiniCluster.java:767)
at
org.apache.flink.runtime.minicluster.MiniCluster.startTaskManagers(MiniCluster.java:748)
at
org.apache.flink.runtime.minicluster.MiniCluster.start(MiniCluster.java:459)
{code}
Java doesn't expose this information on Windows.
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