ArrayIndexOutOfBoundsException throwed from BlockLocation
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Key: HDFS-1549
URL: https://issues.apache.org/jira/browse/HDFS-1549
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Min Zhou
Fix For: 0.22.0
BlockLocation object created through the default constructor has a hosts array
with its length of zero. It will apparently throw an
ArrayIndexOutOfBoundsException when reading fields from DataInput if not
resized the array length.
Exception in thread "IPC Client (47) connection to nn151/192.168.201.151:9020
from zhoumin" java.lang.ArrayIndexOutOfBoundsException: 0
at org.apache.hadoop.fs.BlockLocation.readFields(BlockLocation.java:177)
at
org.apache.hadoop.fs.LocatedFileStatus.readFields(LocatedFileStatus.java:85)
at
org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:237)
at
org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:171)
at
org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:219)
at
org.apache.hadoop.io.ObjectWritable.readFields(ObjectWritable.java:66)
at
org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:509)
at org.apache.hadoop.ipc.Client$Connection.run(Client.java:439)
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