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.2. Error/Cause/Solution
C.2.1. cctrl hangs
C.2.2. ERROR 1010 (HY000) at line 5094506: Error dropping database (can't rmdir './mysql-bin/', errno: 17)
C.2.3. Event application failed: seqno=20725782 fragno=0 message=java.sql.SQLDataException: Data too long for column 'eventid' at row 1
C.2.4. Replicator fails to connect after updating password
C.2.5. WARN [KeepAliveTimerTask] - Error while sending a KEEP_ALIVE query to connection.
C.2.7. MySQL is incorrectly configured
C.2.8. Too many open processes or files
C.2.9. Starting replication after performing a restore because of an invalid restart sequence number
C.2.10. trepctl status hangs
C.2.11. Replicator reports an Out of Memory error
C.2.12. [S1000][unixODBC][MySQL][ODBC 5.3(w) Driver]SSL connection error: unknown error number [ISQL]ERROR: Could not SQLConnect
C.2.13. Connector shows errors with " Broken pipe"
C.2.14. Replicator runs out of memory
C.2.15. Triggers not firing correctly on slave
C.2.16. Lots of entries added to replicator log
C.2.17. Latency is high: master:ONLINE, progress=41331580333, THL latency=78849.733
C.2.18. Attempt to write new log record with equal or lower fragno: seqno=3 previous stored fragno=32767 attempted new fragno=-32768
C.2.19. Services requires a reset
C.2.20. element 'mysql_readonly' not found in path
C.2.21. The master replicator stopped with a JDBC error.
C.2.22. pendingExceptionMessage": "Unable to update last commit seqno: Incorrect datetime value: '2016-03-13 02:02:26' for column 'update_timestamp' at row 1
C.2.23. cctrl reports MANAGER(state=STOPPED)
C.2.24. ERROR 2013 (HY000) at line 583: Lost connection to MySQL server during query
C.2.25. Replication latency very high
C.2.26. There were issues configuring the sandbox MySQL server
C.2.27. ERROR 1580 (HY000) at line 5093787: You cannot 'DROP' a log table if logging is enabled
C.2.28. Unable to update the configuration of an installed directory
C.2.29. Backup/Restore is not being my host back to normal
C.2.30. Missing events, or events not extracted correctly
C.2.31. Error: could not settle on encryption_client algorithm
C.2.32. Backup agent name not found: xtrabackup-full
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: