Bug #87261 There was a problem opening the Client Connections.
Submitted: 31 Jul 2017 16:00 Modified: 1 Aug 2017 10:35
Reporter: GuiLong Gao Email Updates:
Status: Won't fix Impact on me:
None 
Category:MySQL Workbench Severity:S5 (Performance)
Version:6.3.9 OS:Windows (Microsoft Windows Server 2008 R2 Datacenter Service Pack 1)
Assigned to: CPU Architecture:Any
Tags: WBBugReporter

[31 Jul 2017 16:00] GuiLong Gao
Description:
----[For better reports, please attach the log file after submitting. You can find it in C:\Users\GuiLong\AppData\Roaming\MySQL\Workbench\log\wb.log]

Traceback (most recent call last):
  File "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\wb_admin_connections.py", line 809, in page_activated
    self.ctrl_be.exec_query("SELECT COUNT(*) FROM performance_schema.threads")
  File "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\wb_admin_control.py", line 629, in exec_query
    raise e
QueryError: Error executing 'SELECT COUNT(*) FROM performance_schema.threads'
Table 'performance_schema.threads' doesn't exist.
SQL Error: 1146

How to repeat:
we used infobright database, their mysql server version is 5.1.40
1) open Infobright database
2) Click Client Connections
3) There was a problem opening the Client Connections. Please check the error log for more details.

Suggested fix:
Compatible with older versions
[1 Aug 2017 10:35] Chiranjeevi Battula
Hello GuiLong Gao,

Thank you for the bug report.
We suggest you to upgrade according how to mentioned at https://www.mysql.com/support/eol-notice.html

Thanks,
Chiranjeevi.