[HDFS-9476] TestDFSUpgradeFromImage#testUpgradeFromRel1BBWImage occasionally fail

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 2.7.3, 3.0.0-alpha1
• Hadoop Flags: Reviewed
• Assignee: Masatake Iwasaki
• Reporter: Wei-Chiu Chuang
• Created: 29/Nov/15 16:10
• Updated: 06/Jan/17 01:44
• Resolved: 02/Jun/16 10:03

Description

This test occasionally fail. For example, the most recent one is:
https://builds.apache.org/job/Hadoop-Hdfs-trunk/2587/

Error Message

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]]}

Stacktrace

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)