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From "suja s (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3470) [Log Improvement]: Error logs logged at the time of switch which is misleading
Date Mon, 28 May 2012 05:45:23 GMT
suja s created HDFS-3470:
----------------------------

             Summary: [Log Improvement]: Error logs logged at the time of switch which is
misleading
                 Key: HDFS-3470
                 URL: https://issues.apache.org/jira/browse/HDFS-3470
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: HA branch (HDFS-1623), Auto failover (HDFS-3042)
            Reporter: suja s
            Priority: Minor


For every switch the following error is logged at NN side


2012-05-17 11:19:46,021 ERROR org.apache.bookkeeper.client.PendingReadOp: Error: No such entry
while reading entry: 1 ledgerId: 16 from bookie: /XX.XX.XX.55:3182
2012-05-17 11:19:46,022 ERROR org.apache.bookkeeper.client.PendingReadOp: Error: No such entry
while reading entry: 1 ledgerId: 16 from bookie: /XX.XX.XX.55:3183
2012-05-17 11:19:46,022 ERROR org.apache.bookkeeper.client.PendingReadOp: Error: No such entry
while reading entry: 1 ledgerId: 16 from bookie: /XX.XX.XX.55:3181

{noformat}
2012-05-17 11:19:45,891 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Stopping
services started for standby state
2012-05-17 11:19:45,893 WARN org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Edit
log tailer interrupted
java.lang.InterruptedException: sleep interrupted
	at java.lang.Thread.sleep(Native Method)
	at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:329)
	at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$200(EditLogTailer.java:274)
	at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:291)
	at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:512)
	at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:287)
2012-05-17 11:19:45,895 INFO org.apache.bookkeeper.proto.PerChannelBookieClient: Disconnected
from bookie: /XX.XX.XX.55:3182
2012-05-17 11:19:45,895 INFO org.apache.bookkeeper.proto.PerChannelBookieClient: Disconnected
from bookie: /XX.XX.XX.55:3181
2012-05-17 11:19:45,913 INFO org.apache.zookeeper.ZooKeeper: Session: 0x1375944cf250027 closed
2012-05-17 11:19:45,913 INFO org.apache.zookeeper.ClientCnxn: EventThread shut down
2012-05-17 11:19:45,913 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Starting
services required for active state
2012-05-17 11:19:45,913 INFO org.apache.zookeeper.ZooKeeper: Initiating client connection,
connectString=XX.XX.XX.55:2182 sessionTimeout=3000 watcher=org.apache.hadoop.contrib.bkjournal.BookKeeperJournalManager$ZkConnectionWatcher@734d246
2012-05-17 11:19:45,914 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to
server /XX.XX.XX.55:2182
2012-05-17 11:19:45,915 INFO org.apache.zookeeper.ClientCnxn: Socket connection established
to HOST-10-18-52-55/XX.XX.XX.55:2182, initiating session
2012-05-17 11:19:45,947 INFO org.apache.zookeeper.ClientCnxn: Session establishment complete
on server HOST-10-18-52-55/XX.XX.XX.55:2182, sessionid = 0x1375944cf250029, negotiated timeout
= 4000
2012-05-17 11:19:45,994 INFO org.apache.bookkeeper.proto.PerChannelBookieClient: Successfully
connected to bookie: /XX.XX.XX.55:3181
2012-05-17 11:19:45,996 INFO org.apache.bookkeeper.proto.PerChannelBookieClient: Successfully
connected to bookie: /XX.XX.XX.55:3183
2012-05-17 11:19:46,001 INFO org.apache.bookkeeper.proto.PerChannelBookieClient: Successfully
connected to bookie: /XX.XX.XX.55:3182
2012-05-17 11:19:46,021 ERROR org.apache.bookkeeper.client.PendingReadOp: Error: No such entry
while reading entry: 1 ledgerId: 16 from bookie: /XX.XX.XX.55:3182
2012-05-17 11:19:46,022 ERROR org.apache.bookkeeper.client.PendingReadOp: Error: No such entry
while reading entry: 1 ledgerId: 16 from bookie: /XX.XX.XX.55:3183
2012-05-17 11:19:46,022 ERROR org.apache.bookkeeper.client.PendingReadOp: Error: No such entry
while reading entry: 1 ledgerId: 16 from bookie: /XX.XX.XX.55:3181
2012-05-17 11:19:46,045 INFO org.apache.hadoop.hdfs.server.namenode.FileJournalManager: Recovering
unfinalized segments in /home/May8/hadoop-3.0.0-SNAPSHOT/hadoop-root/dfs/name/current
2012-05-17 11:19:46,049 INFO org.apache.hadoop.hdfs.server.namenode.FileJournalManager: Finalizing
edits file /home/May8/hadoop-3.0.0-SNAPSHOT/hadoop-root/dfs/name/current/edits_inprogress_0000000000000000036
-> /home/May8/hadoop-3.0.0-SNAPSHOT/hadoop-root/dfs/name/current/edits_0000000000000000036-0000000000000000036
2012-05-17 11:19:46,049 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Catching
up to latest edits from old active before taking over writer role in edits logs.
2012-05-17 11:19:46,077 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Reading org.apache.hadoop.contrib.bkjournal.BookKeeperEditLogInputStream@38f0b51d
expecting start txid #37
2012-05-17 11:19:46,128 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Edits file BookKeeper[org.apache.bookkeeper.client.ReadOnlyLedgerHandle@615e7597,first=37,last=37]
of size 13 edits # 1 loaded in 0 seconds.
{noformat}

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