IBM Support

Unable to obtain an exclusive file lock on tranaction logs during failover:
CWRLS0024E: Exception caught during recovery!

Troubleshooting


Problem

During transaction log failover, you are not able to obtain an exclusive lock on the tranlogs of the failed server from the server that will take over the logs and continue processing the transactions in flight on the failed server to resolution.

Symptom

Unable to obtain an exclusive file lock on
/tools/.../.../tranlogs/....node.../tranlog/log1.
[10/22/14 16:07:47:274 CEST] 000001ae CoordinationL E CWRLS0024E:
Exception caught during recovery!
java.nio.channels.OverlappingFileLockException
at sun.nio.ch.FileChannelImpl.checkList(FileChannelImpl.java:913)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:880)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:981)
at
com.ibm.ws.recoverylog.spi.CoordinationLock.obtainLock(CoordinationLock.
java:288)
at
com.ibm.ws.recoverylog.spi.CoordinationLock.lock(CoordinationLock.java:1
82)
at
com.ibm.ws.recoverylog.spi.RecoveryHandler.run(RecoveryHandler.java:180)


Look for the following in the transaction trace log file

? [1/5/14 16:19:04:164] 0000001b RLSHAGroupCal [RLSHA: ACTIVATE recovery
for failure scope FileFailureScope:
???001\???001_node_01\????node_01.0 [1156553819]]
? [1/5/14 16:19:04:165] 0000001b RLSHAGroupCal [RLSHA: This is a
recovery request for the LOCAL server]
? [1/5/14 16:19:04:170] 0000001d RecoveryHandl [RLSHA: STARTING
RecoveryHandler for failure scope FileFailureScope:
???001\???001_node_01\???001.???c.???001_node_01.0 [1156553819]]
? [1/5/14 16:19:04:172] 0000001d TransactionSe [Retrieving transaction
log configuration for server
'???001\???001_node_01\???001.gpcc.???001_node_01.0']
? [1/5/14 16:19:04:173] 0000001d TransactionSe [Resolved transaction log
directory '${TRANLOG_ROOT}/${WAS_SERVER_NAME};3M']
? [1/5/14 16:19:04:174] 0000001d TransactionSe [logFile path after var
expand: /tools/wps/var/tranlogs/???001.????.???001_node_01.0]
For the peer:
? [1/5/14 16:19:06:808] 0000001c RLSHAGroupCal [RLSHA:
ACTIVATE recovery for failure scope FileFailureScope:
???001\???001_node_02\???001.gpcc.???001_node_02.0 [1167870907]]
? [1/5/14 16:19:06:809] 0000001c RLSHAGroupCal [RLSHA:
This is a recovery request for a PEER server]
? [1/5/14 16:19:06:809] 00000023 RecoveryHandl [RLSHA: STARTING
RecoveryHandler for failure scope FileFailureScope:
???001\???001_node_02\???001.????.???001_node_02.1 [1167870908]]
? [1/5/14 16:19:06:810] 00000023 TransactionSe [Retrieving transaction
log configuration for server
'???001\???001_node_02\???001.gpcc.???001_node_02.1']
? [1/5/14 16:19:06:810] 00000023 TransactionSe [Resolved transaction log
directory '${TRANLOG_ROOT}/${WAS_SERVER_NAME};??']
? [1/5/14 16:19:06:811] 00000023 TransactionSe [logFile path after var
expand: /tools/wps/var/tranlogs/???001.????.???001_node_01.0]

[{"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Java Transaction Service (JTS)","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"9.0;8.5.5;8.0;7.0","Edition":"Base;Network Deployment","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
03 March 2025

UID

swg21460319

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