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Hudson commented on HDFS-9410: ------------------------------ FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #664 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/664/]) HDFS-9410. Some tests should always reset sysout and syserr. Contributed (waltersu4549: rev cccf88480b0df71f15fb36e9693d492c9e16c685) * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestClusterId.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestTools.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdminWithHA.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotRename.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetadataVersionOutput.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFsShellPermission.java > Some tests should always reset sysout and syserr > ------------------------------------------------ > > Key: HDFS-9410 > URL: https://issues.apache.org/jira/browse/HDFS-9410 > Project: Hadoop HDFS > Issue Type: Test > Components: HDFS > Reporter: Xiao Chen > Assignee: Xiao Chen > Priority: Minor > Fix For: 2.8.0 > > Attachments: HDFS-9410.001.patch, HDFS-9410.002.patch, > HDFS-9410.003.patch > > > Originally found in {{TestDFSAdminWithHA#tearDown}} where System.out.flush() > throws an NPE. > The cause is that if for any reason {{setUpHaCluster}} fails before storing > {{System.out}} and {{System.err}} as member variables {{originOut}} and > {{originErr}}, then in {{tearDown}} {{System.out}} and {{System.err}} are set > to null. This could cause all following tests to fail when calling {{flush}}. > This jira tries to fix all similar occurrences of this issue -- This message was sent by Atlassian JIRA (v6.3.4#6332)