Attila Doroszlai created HDDS-4018:
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Summary: Datanode log spammed by NPE
Key: HDDS-4018
URL: https://issues.apache.org/jira/browse/HDDS-4018
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Datanode
Affects Versions: 0.6.0
Reporter: Attila Doroszlai
{code}
datanode_1 | 2020-07-22 13:11:47,845 [Datanode State Machine Thread - 0] WARN
statemachine.StateContext: No available thread in pool for past 2 seconds.
datanode_1 | 2020-07-22 13:11:47,846 [Datanode State Machine Thread - 0] ERROR
statemachine.DatanodeStateMachine: Unable to finish the execution.
datanode_1 | java.lang.NullPointerException
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:218)
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:50)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.StateContext.execute(StateContext.java:451)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:225)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:396)
datanode_1 | at java.base/java.lang.Thread.run(Thread.java:834)
datanode_1 | 2020-07-22 13:11:47,847 [Datanode State Machine Thread - 0] ERROR
statemachine.DatanodeStateMachine: Unable to finish the execution.
datanode_1 | java.lang.NullPointerException
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:218)
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:50)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.StateContext.execute(StateContext.java:451)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:225)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:396)
datanode_1 | at java.base/java.lang.Thread.run(Thread.java:834)
datanode_1 | 2020-07-22 13:11:47,848 [Datanode State Machine Thread - 0] ERROR
statemachine.DatanodeStateMachine: Unable to finish the execution.
datanode_1 | java.lang.NullPointerException
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:218)
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:50)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.StateContext.execute(StateContext.java:451)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:225)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:396)
datanode_1 | at java.base/java.lang.Thread.run(Thread.java:834)
datanode_1 | 2020-07-22 13:11:47,848 [Datanode State Machine Thread - 0] ERROR
statemachine.DatanodeStateMachine: Unable to finish the execution.
datanode_1 | java.lang.NullPointerException
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:218)
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:50)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.StateContext.execute(StateContext.java:451)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:225)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:396)
datanode_1 | at java.base/java.lang.Thread.run(Thread.java:834)
datanode_1 | 2020-07-22 13:11:47,851 [Datanode State Machine Thread - 0] ERROR
statemachine.DatanodeStateMachine: Unable to finish the execution.
datanode_1 | java.lang.NullPointerException
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:218)
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:50)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.StateContext.execute(StateContext.java:451)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:225)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:396)
datanode_1 | at java.base/java.lang.Thread.run(Thread.java:834)
...
thread in pool for past 22 seconds.
datanode_1 | 2020-07-22 13:11:47,854 [Datanode State Machine Thread - 0] ERROR
statemachine.DatanodeStateMachine: Unable to finish the execution.
datanode_1 | java.lang.NullPointerException
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:218)
datanode_1 | at
org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:50)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.StateContext.execute(StateContext.java:451)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:225)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:396)
datanode_1 | at java.base/java.lang.Thread.run(Thread.java:834)
{code}
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