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https://issues.apache.org/jira/browse/HDFS-9476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15312056#comment-15312056
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Akira AJISAKA commented on HDFS-9476:
-------------------------------------
+1, committing this.
> TestDFSUpgradeFromImage#testUpgradeFromRel1BBWImage occasionally fail
> ---------------------------------------------------------------------
>
> Key: HDFS-9476
> URL: https://issues.apache.org/jira/browse/HDFS-9476
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Wei-Chiu Chuang
> Assignee: Masatake Iwasaki
> Attachments: HDFS-9476.002.patch, HDFS-9476.01.patch
>
>
> This test occasionally fail. For example, the most recent one is:
> https://builds.apache.org/job/Hadoop-Hdfs-trunk/2587/
> Error Message
> {noformat}
> Cannot obtain block length for
> LocatedBlock{BP-1371507683-67.195.81.153-1448798439809:blk_7162739548153522810_1020;
> getBlockSize()=1024; corrupt=false; offset=0;
> locs=[DatanodeInfoWithStorage[127.0.0.1:33080,DS-c5eaf2b4-2ee6-419d-a8a0-44a5df5ef9a1,DISK]]}
> {noformat}
> Stacktrace
> {noformat}
> java.io.IOException: Cannot obtain block length for
> LocatedBlock{BP-1371507683-67.195.81.153-1448798439809:blk_7162739548153522810_1020;
> getBlockSize()=1024; corrupt=false; offset=0;
> locs=[DatanodeInfoWithStorage[127.0.0.1:33080,DS-c5eaf2b4-2ee6-419d-a8a0-44a5df5ef9a1,DISK]]}
> at
> org.apache.hadoop.hdfs.DFSInputStream.readBlockLength(DFSInputStream.java:399)
> at
> org.apache.hadoop.hdfs.DFSInputStream.fetchLocatedBlocksAndGetLastBlockLength(DFSInputStream.java:343)
> at
> org.apache.hadoop.hdfs.DFSInputStream.openInfo(DFSInputStream.java:275)
> at org.apache.hadoop.hdfs.DFSInputStream.<init>(DFSInputStream.java:265)
> at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1046)
> at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1011)
> at
> org.apache.hadoop.hdfs.TestDFSUpgradeFromImage.dfsOpenFileWithRetries(TestDFSUpgradeFromImage.java:177)
> at
> org.apache.hadoop.hdfs.TestDFSUpgradeFromImage.verifyDir(TestDFSUpgradeFromImage.java:213)
> at
> org.apache.hadoop.hdfs.TestDFSUpgradeFromImage.verifyFileSystem(TestDFSUpgradeFromImage.java:228)
> at
> org.apache.hadoop.hdfs.TestDFSUpgradeFromImage.upgradeAndVerify(TestDFSUpgradeFromImage.java:600)
> at
> org.apache.hadoop.hdfs.TestDFSUpgradeFromImage.testUpgradeFromRel1BBWImage(TestDFSUpgradeFromImage.java:622)
> {noformat}
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