Chesnay Schepler created FLINK-6642:
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Summary: EnvInformation#getOpenFileHandlesLimit should return -1
for Windows
Key: FLINK-6642
URL: https://issues.apache.org/jira/browse/FLINK-6642
Project: Flink
Issue Type: Bug
Components: Local Runtime
Affects Versions: 1.4.0
Reporter: Chesnay Schepler
Assignee: Chesnay Schepler
The {{EnvironmentInformation#getOpenFileHandlesLimit}} is accessing t he sun
{{UnixOperatingSystemMXBean}} via reflection, but has no branch for Windows.
This causes the following exception to be logged whenever a TM is started:
{code}
2017-05-19 16:49:58,780 WARN
org.apache.flink.runtime.util.EnvironmentInformation - Unexpected
error when accessing file handle limit
java.lang.IllegalArgumentException: object is not an instance of declaring class
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.apache.flink.runtime.util.EnvironmentInformation.getOpenFileHandlesLimit(EnvironmentInformation.java:245)
at
org.apache.flink.runtime.taskmanager.TaskManager$.main(TaskManager.scala:1528)
at
org.apache.flink.runtime.taskmanager.TaskManager.main(TaskManager.scala)
2017-05-19 16:49:58,780 INFO org.apache.flink.runtime.taskmanager.TaskManager
- Cannot determine the maximum number of open file descriptors
{code}
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