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Brahma Reddy Battula commented on HDFS-12112: --------------------------------------------- +1, committing shortly. > TestBlockManager#testBlockManagerMachinesArray sometimes fails with NPE > ----------------------------------------------------------------------- > > Key: HDFS-12112 > URL: https://issues.apache.org/jira/browse/HDFS-12112 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 3.0.0-beta1 > Environment: CDH5.12.0 > Reporter: Wei-Chiu Chuang > Assignee: Wei-Chiu Chuang > Priority: Minor > Attachments: HDFS-12112.001.patch > > > Found the following error: > {quote} > java.lang.NullPointerException: null > at > org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.testBlockManagerMachinesArray(TestBlockManager.java:1202) > {quote} > The NPE suggests corruptStorageDataNode in the following code snippet could > be null. > {code} > for(int i=0; i<corruptStorageDataNode.getStorageInfos().length; i++) { > {code} > Looking at the code, the test does not wait for file replication to happen, > which is why corruptStorageDataNode (the DN of the second replica) is null. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org