Wei-Chiu Chuang created HDDS-4873:
-------------------------------------
Summary: Re-replication failure throws NPE
Key: HDDS-4873
URL: https://issues.apache.org/jira/browse/HDDS-4873
Project: Apache Ozone
Issue Type: Improvement
Affects Versions: 1.0.0
Reporter: Wei-Chiu Chuang
If downloading the container from source fails, DN throws an NPE.
{noformat}
1:02:16.055 AM ERROR DownloadAndImportReplicator
Container 998373 replication was unsuccessful.
java.lang.NullPointerException
at
org.apache.hadoop.ozone.container.replication.DownloadAndImportReplicator.replicate(DownloadAndImportReplicator.java:116)
at
org.apache.hadoop.ozone.container.replication.ReplicationSupervisor$TaskRunner.run(ReplicationSupervisor.java:129)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
{noformat}
We should handle it more gracefully. Perhaps retry one more time?
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