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Posted to issues@ozone.apache.org by "Sumit Agrawal (Jira)" <ji...@apache.org> on 2024/01/04 16:11:00 UTC
[jira] [Created] (HDDS-10061) NPE when container is loaded with missing container DB
Sumit Agrawal created HDDS-10061:
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Summary: NPE when container is loaded with missing container DB
Key: HDDS-10061
URL: https://issues.apache.org/jira/browse/HDDS-10061
Project: Apache Ozone
Issue Type: Bug
Reporter: Sumit Agrawal
below error is observed in log, but still container is getting loaded
{code:java}
2023-12-13 22:50:05,546 ERROR [Thread-5]-org.apache.hadoop.ozone.container.keyvalue.helpers.KeyValueContainerUtil: Container DB file is missing for ContainerID 1. Skipping loading of this container. {code}
later, NPE is comming as,
{code:java}
2023-12-13 22:55:54,888 ERROR [org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$DeleteCmdWorker@70884875]-org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler: task failed.
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.lambda$processCmd$0(DeleteBlocksCommandHandler.java:311)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.processCmd(DeleteBlocksCommandHandler.java:309)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.access$100(DeleteBlocksCommandHandler.java:81)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$DeleteCmdWorker.run(DeleteBlocksCommandHandler.java:191)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NullPointerException
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:903)
at org.apache.hadoop.ozone.container.keyvalue.helpers.BlockUtils.getDB(BlockUtils.java:126)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.markBlocksForDeletionTransaction(DeleteBlocksCommandHandler.java:392)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.markBlocksForDeletionSchemaV3(DeleteBlocksCommandHandler.java:360)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.access$500(DeleteBlocksCommandHandler.java:81)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$ProcessTransactionTask.call(DeleteBlocksCommandHandler.java:245)
at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$ProcessTransactionTask.call(DeleteBlocksCommandHandler.java:210)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
... 1 more {code}
As per log, container must not be loaded. so need avoid loading container if db file is not present.
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