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Uma Maheswara Rao G edited comment on HDFS-10555 at 6/22/16 12:44 AM: ---------------------------------------------------------------------- {noformat} testptch/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/1/dfs/name-0-1/current/edits_0000000000000000001-0000000000000000094; failing over to edit log /testptch/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/1/dfs/name-0-2/current/edits_0000000000000000001-0000000000000000094 java.io.IOException: Unknown flag in CachePoolInfo: 63 at org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.readCachePoolInfo(FSImageSerialization.java:687) at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$AddCachePoolOp.readFields(FSEditLogOp.java:3974) at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$LengthPrefixedReader.decodeOp(FSEditLogOp.java:4747) at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$Reader.readOp(FSEditLogOp.java:4607) at org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.nextOpImpl(EditLogFileInputStream.java:202) at org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.nextOp(EditLogFileInputStream.java:249) at org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) at org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream.nextOp(RedundantEditLogInputStream.java:189) at org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:196) at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:149) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:837) {noformat} was (Author: umamaheswararao): {noformat} testptch/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/1/dfs/name-0-1/current/edits_0000000000000000001-0000000000000000094; failing over to edit log /testptch/hadoop/hadoop-hdfs-project/hadoop-hdfs/target/test/data/1/dfs/name-0-2/current/edits_0000000000000000001-0000000000000000094 java.io.IOException: Unknown flag in CachePoolInfo: 63 at org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.readCachePoolInfo(FSImageSerialization.java:687) at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$AddCachePoolOp.readFields(FSEditLogOp.java:3974) at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$LengthPrefixedReader.decodeOp(FSEditLogOp.java:4747) at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$Reader.readOp(FSEditLogOp.java:4607) at org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.nextOpImpl(EditLogFileInputStream.java:202) at org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.nextOp(EditLogFileInputStream.java:249) at org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) at org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream.nextOp(RedundantEditLogInputStream.java:189) at org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:196) at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:149) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:837) {nofromat} > Unable to loadFSEdits due to a failure in readCachePoolInfo > ----------------------------------------------------------- > > Key: HDFS-10555 > URL: https://issues.apache.org/jira/browse/HDFS-10555 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Reporter: Uma Maheswara Rao G > Assignee: Uma Maheswara Rao G > Priority: Critical > > Recently some tests are failing and unable to loadFSEdits due to a failure in > readCachePoolInfo. > Here in below code > FSImageSerialization.java > {code} > } > if ((flags & ~0x2F) != 0) { > throw new IOException("Unknown flag in CachePoolInfo: " + flags); > } > {code} > When all values of CachePool variable set to true, flags value & ~0x2F turns > out to non zero value. So, this condition failing due to the addition of 0x20 > and changing &ing value from ~0x1F to ~0x2F. > May be to fix this issue, we may can change multiply value to ~0x3F -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org