Appendix C. Troubleshooting

Table of Contents

C.1. Contacting Support
C.1.1. Support Request Procedure
C.1.2. Creating a Support Account
C.1.3. Generating Diagnostic Information
C.1.4. Open a Support Ticket
C.1.5. Open a Support Ticket via Email
C.1.6. Getting Updates for all Company Support Tickets
C.1.7. Support Severity Level Definitions
C.1.8. Generating Advanced Diagnostic Information
C.2. Error/Cause/Solution
C.2.1. Too many open processes or files
C.2.2. Backup agent name not found: xtrabackup-full
C.2.3. There were issues configuring the sandbox MySQL server
C.2.4. Services requires a reset
C.2.5. trepctl status hangs
C.2.6. Latency is high: master:ONLINE, progress=41331580333, THL latency=78849.733
C.2.7. Unable to update the configuration of an installed directory
C.2.8. Backup/Restore is not bringing my host back to normal
C.2.9. ERROR 2013 (HY000) at line 583: Lost connection to MySQL server during query
C.2.10. Missing events, or events not extracted correctly
C.2.11. cctrl reports MANAGER(state=STOPPED)
C.2.12. Attempt to write new log record with equal or lower fragno: seqno=3 previous stored fragno=32767 attempted new fragno=-32768
C.2.13. Replicator runs out of memory
C.2.14. Replication latency very high
C.2.16. Lots of entries added to replicator log
C.2.17. Event application failed: seqno=20725782 fragno=0 message=java.sql.SQLDataException: Data too long for column 'eventid' at row 1
C.2.18. ERROR 1010 (HY000) at line 5094506: Error dropping database (can't rmdir './mysql-bin/', errno: 17)
C.2.19. Error: could not settle on encryption_client algorithm
C.2.20. pendingExceptionMessage": "Unable to update last commit seqno: Incorrect datetime value: '2016-03-13 02:02:26' for column 'update_timestamp' at row 1
C.2.21. element 'mysql_readonly' not found in path
C.2.22. WARN [KeepAliveTimerTask] - Error while sending a KEEP_ALIVE query to connection.
C.2.23. cctrl hangs
C.2.24. Replicator reports an Out of Memory error
C.2.25. ERROR 1580 (HY000) at line 5093787: You cannot 'DROP' a log table if logging is enabled
C.2.26. [S1000][unixODBC][MySQL][ODBC 5.3(w) Driver]SSL connection error: unknown error number [ISQL]ERROR: Could not SQLConnect
C.2.27. Starting replication after performing a restore because of an invalid restart sequence number
C.2.28. Replicator fails to connect after updating password
C.2.29. MySQL is incorrectly configured
C.2.30. ERROR backup.BackupTask Backup operation failed: null
C.2.31. Triggers not firing correctly on slave
C.2.32. Connector shows errors with " Broken pipe"
C.2.33. The master replicator stopped with a JDBC error.
C.2.34. ERROR >> host1 >> can't alloc thread
C.3. Known Issues
C.3.1. Triggers
C.4. Troubleshooting Timeouts
C.5. Troubleshooting Backups
C.6. Running Out of Diskspace
C.7. Troubleshooting SSH and tpm
C.8. Troubleshooting Data Differences
C.8.1. Identify Structural Differences
C.8.2. Identify Data Differences
C.9. Comparing Table Data
C.10. Troubleshooting Memory Usage

The following sections contain both general and specific help for identifying, troubleshooting and resolving problems. Key sections include: