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Xiao Chen commented on HDFS-13539: ---------------------------------- Failed tests look unrelated and passed locally. Will commit by end of Thursday if no further comments. > DFSInputStream NPE when reportCheckSumFailure > --------------------------------------------- > > Key: HDFS-13539 > URL: https://issues.apache.org/jira/browse/HDFS-13539 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Xiao Chen > Assignee: Xiao Chen > Priority: Major > Attachments: HDFS-13539.01.patch, HDFS-13539.02.patch > > > We have seem the following exception with DFSStripedInputStream. > {noformat} > readDirect: FSDataInputStream#read error: > NullPointerException: java.lang.NullPointerException > at > org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:402) > at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:831) > at > org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:147) > {noformat} > Line 402 is {{reportCheckSumFailure}}, and {{currentLocatedBlock}} is the > only possible null object. (Because {{currentLocatedBlock.getLocations()}} > cannot be null - {{LocatedBlock}} constructor checks {{locs}} and would > assign a {{EMPTY_LOCS}} if it's null) > Original exception is masked by the NPE. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org