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Wei-Chiu Chuang commented on HDFS-9594: --------------------------------------- Maybe it's related to test failures in HDFS-10935 > DataNode threw NullPointerException > ----------------------------------- > > Key: HDFS-9594 > URL: https://issues.apache.org/jira/browse/HDFS-9594 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode > Affects Versions: 3.0.0-alpha1 > Environment: Jenkins > Reporter: Wei-Chiu Chuang > Assignee: Wei-Chiu Chuang > > In a precommit jenkins, I saw multiple exceptions. > https://builds.apache.org/job/PreCommit-HDFS-Build/13984/testReport/org.apache.hadoop.hdfs/TestDFSShell/testSymLinkReserved/ > One of which is a null pointer exception in datanode. > {noformat} > 2015-12-23 13:26:50,337 [DataNode: > [[[DISK]file:/testptch/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/1/dfs/data/data1/, > > [DISK]file:/testptch/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/1/dfs/data/data2/]] > heartbeating to localhost/127.0.0.1:38151] WARN datanode.DataNode > (BPServiceActor.java:run(859)) - Unexpected exception in block pool Block > pool BP-1060337608-172.17.0.3-1450877209942 (Datanode Uuid > 6b120576-5c02-402f-ab38-079295bda597) service to localhost/127.0.0.1:38151 > java.lang.NullPointerException > at > org.apache.hadoop.hdfs.server.datanode.DataNode.bpRegistrationSucceeded(DataNode.java:1391) > at > org.apache.hadoop.hdfs.server.datanode.BPOfferService.registrationSucceeded(BPOfferService.java:360) > at > org.apache.hadoop.hdfs.server.datanode.BPServiceActor.register(BPServiceActor.java:796) > at > org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:231) > at > org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:829) > at java.lang.Thread.run(Thread.java:745) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org