Weiwei Yang created HDFS-12463:
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Summary: Ozone: Fix TestXceiverClientMetrics#testMetrics
Key: HDFS-12463
URL: https://issues.apache.org/jira/browse/HDFS-12463
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ozone
Affects Versions: HDFS-7240
Reporter: Weiwei Yang
Priority: Minor
{{TestXceiverClientMetrics#testMetrics}} is failing with following error in
recent jenkins job,
{noformat}
java.util.ConcurrentModificationException: null
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
at java.util.ArrayList$Itr.next(ArrayList.java:851)
at
org.apache.hadoop.ozone.scm.TestXceiverClientMetrics.lambda$testMetrics$2(TestXceiverClientMetrics.java:134)
{noformat}
looks like a non thread safe list caused this race condition in the test case.
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