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https://issues.apache.org/jira/browse/HDDS-12331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Andika updated HDDS-12331:
-------------------------------
Target Version/s: 2.0.0, 1.4.2
> BlockOutputStream.failedServers is not thread-safe
> --------------------------------------------------
>
> Key: HDDS-12331
> URL: https://issues.apache.org/jira/browse/HDDS-12331
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Client
> Reporter: Attila Doroszlai
> Assignee: Chia-Chuan Yu
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0
>
>
> {{ConcurrentModificationException}} of {{BlockOutputStream#failedServers}}:
> {code}
> [INFO] Running
> org.apache.hadoop.ozone.client.rpc.TestMultiBlockWritesWithDnFailures
> [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:
> 42.017 s <<< FAILURE! - in
> org.apache.hadoop.ozone.client.rpc.TestMultiBlockWritesWithDnFailures
> [ERROR]
> org.apache.hadoop.ozone.client.rpc.TestMultiBlockWritesWithDnFailures.testMultiBlockWritesWithIntermittentDnFailures
> Time elapsed: 41.997 s <<< ERROR!
> java.io.IOException: java.util.ConcurrentModificationException
> at
> org.apache.hadoop.ozone.client.io.KeyOutputStream.handleWrite(KeyOutputStream.java:293)
> at
> org.apache.hadoop.ozone.client.io.KeyOutputStream.lambda$write$1(KeyOutputStream.java:249)
> at
> org.apache.hadoop.ozone.client.io.KeyOutputStream.doInWriteLock(KeyOutputStream.java:260)
> at
> org.apache.hadoop.ozone.client.io.KeyOutputStream.write(KeyOutputStream.java:248)
> at
> org.apache.hadoop.ozone.client.io.OzoneOutputStream.write(OzoneOutputStream.java:94)
> at java.base/java.io.OutputStream.write(OutputStream.java:124)
> at
> org.apache.hadoop.ozone.client.rpc.TestMultiBlockWritesWithDnFailures.testMultiBlockWritesWithIntermittentDnFailures(TestMultiBlockWritesWithDnFailures.java:216)
> at java.base/java.lang.reflect.Method.invoke(Method.java:580)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
> Caused by: java.util.ConcurrentModificationException
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1598)
> at
> org.apache.hadoop.hdds.scm.container.common.helpers.ExcludeList.addDatanodes(ExcludeList.java:82)
> at
> org.apache.hadoop.ozone.client.io.KeyOutputStream.handleStreamAction(KeyOutputStream.java:617)
> at
> org.apache.hadoop.ozone.client.io.KeyOutputStream.handleFlushOrClose(KeyOutputStream.java:590)
> at
> org.apache.hadoop.ozone.client.io.KeyOutputStream.handleWrite(KeyOutputStream.java:287)
> ... 9 more
> {code}
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