Nilotpal Nandi created HDDS-2350:
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Summary: NullPointerException seen in datanode log while writing
data
Key: HDDS-2350
URL: https://issues.apache.org/jira/browse/HDDS-2350
Project: Hadoop Distributed Data Store
Issue Type: Bug
Reporter: Nilotpal Nandi
NullPointerException exception seen in datanode log while writing 10GB data.
There is one pipelinee with factor 3 while writing data.
{noformat}
2019-10-23 11:25:45,674 ERROR
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: Error getting metrics
from source
ratis_core.ratis_leader.a23fb300-4c1e-420f-a21e-7e73d0c22cbe@group-4CA404C938C2
java.lang.NullPointerException
at
org.apache.ratis.server.impl.RaftLeaderMetrics.lambda$null$2(RaftLeaderMetrics.java:86)
at
com.github.joshelser.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.snapshotAllMetrics(HadoopMetrics2Reporter.java:239)
at
com.github.joshelser.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.getMetrics(HadoopMetrics2Reporter.java:219)
at
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:200)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.snapshotMetrics(MetricsSystemImpl.java:419)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.sampleMetrics(MetricsSystemImpl.java:406)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.onTimerEvent(MetricsSystemImpl.java:381)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl$4.run(MetricsSystemImpl.java:368)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
2019-10-23 11:25:55,673 ERROR
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: Error getting metrics
from source
ratis_core.ratis_leader.a23fb300-4c1e-420f-a21e-7e73d0c22cbe@group-4CA404C938C2
java.lang.NullPointerException
at
org.apache.ratis.server.impl.RaftLeaderMetrics.lambda$null$2(RaftLeaderMetrics.java:86)
at
com.github.joshelser.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.snapshotAllMetrics(HadoopMetrics2Reporter.java:239)
at
com.github.joshelser.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.getMetrics(HadoopMetrics2Reporter.java:219)
at
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:200)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.snapshotMetrics(MetricsSystemImpl.java:419)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.sampleMetrics(MetricsSystemImpl.java:406)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.onTimerEvent(MetricsSystemImpl.java:381)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl$4.run(MetricsSystemImpl.java:368)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
2019-10-23 11:26:05,674 ERROR
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: Error getting metrics
from source
ratis_core.ratis_leader.a23fb300-4c1e-420f-a21e-7e73d0c22cbe@group-4CA404C938C2
java.lang.NullPointerException
at
org.apache.ratis.server.impl.RaftLeaderMetrics.lambda$null$2(RaftLeaderMetrics.java:86)
at
com.github.joshelser.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.snapshotAllMetrics(HadoopMetrics2Reporter.java:239)
at
com.github.joshelser.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.getMetrics(HadoopMetrics2Reporter.java:219)
at
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:200)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.snapshotMetrics(MetricsSystemImpl.java:419)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.sampleMetrics(MetricsSystemImpl.java:406)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.onTimerEvent(MetricsSystemImpl.java:381)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl$4.run(MetricsSystemImpl.java:368)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505){noformat}
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