C.3.32. cctrl hangs

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4.3.3. Restarting the Manager Service

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C.3. Error/Cause/Solution

Parent Sections

C.3.1. Lots of entries added to replicator log

C.3.2. Backup/Restore is not bringing my host back to normal

C.3.3. Services requires a reset

C.3.4. Error: could not settle on encryption_client algorithm

C.3.5. ERROR backup.BackupTask Backup operation failed: null

C.3.6. Unable to update the configuration of an installed directory

C.3.7. Cluster remains in MAINTENANCE mode after tpm update

C.3.8. Missing events, or events not extracted correctly

C.3.9. Triggers not firing correctly on Replica

C.3.10. Replicator reports an Out of Memory error

C.3.11. [S1000][unixODBC][MySQL][ODBC 5.3(w) Driver]SSL connection error: unknown error number [ISQL]ERROR: Could not SQLConnect

C.3.12. Latency is high: master:ONLINE, progress=41331580333, THL latency=78849.733

C.3.13. Connector shows errors with "java.net.SocketException: Broken pipe"

C.3.14. The Primary replicator stopped with a JDBC error.

C.3.15. cctrl reports MANAGER(state=STOPPED)

C.3.16. trepctl status hangs

C.3.17. Attempt to write new log record with equal or lower fragno: seqno=3 previous stored fragno=32767 attempted new fragno=-32768

C.3.18. Replicator runs out of memory

C.3.19. ERROR 1010 (HY000) at line 5094506: Error dropping database (can't rmdir './mysql-bin/', errno: 17)

C.3.20. ERROR >> host1 >> can't alloc thread

C.3.21. ERROR 1580 (HY000) at line 5093787: You cannot 'DROP' a log table if logging is enabled

C.3.22. WARNING: An illegal reflective access operation has occurred

C.3.23. ERROR 2013 (HY000) at line 583: Lost connection to MySQL server during query

C.3.24. pendingExceptionMessage": "Unable to update last commit seqno: Incorrect datetime value: '2016-03-13 02:02:26' for column 'update_timestamp' at row 1

C.3.25. Too many open processes or files

C.3.26. Replication latency very high

C.3.27. Backup agent name not found: xtrabackup-full

C.3.28. WARN [KeepAliveTimerTask] - Error while sending a KEEP_ALIVE query to connection.

C.3.29. Event application failed: seqno=20725782 fragno=0 message=java.sql.SQLDataException: Data too long for column 'eventid' at row 1

C.3.30. MySQL 8.0+, User Roles and Smartscale

C.3.31. element 'mysql_readonly' not found in path

C.3.32. cctrl hangs

C.3.33. Replicator fails to connect after updating password

C.3.34. There were issues configuring the sandbox MySQL server

C.3.35. Starting replication after performing a restore because of an invalid restart sequence number

C.3.36. MySQL is incorrectly configured

C.3.32. cctrl hangs
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C.3.32. cctrl hangs

Last Updated: 2013-11-01

Condition or Error

cctrl hangs

Causes

Within Tungsten Cluster 1.5.3 there is a known issue related to how the managers handle failed network connections. It's an indication that there was a network issue at some point.

Rectifications

The temporary workaround is to put the cluster into maintenance mode, stop all managers, wait 10 seconds, then start them backup again.

More Information

Section 4.3.3, “Restarting the Manager Service”

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