Questions tagged [troubleshooting]

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MySQL Server :: My C Code can remotely create a database, but not “INSERT INTO” it

I’ve written a C program which does the following when it starts: Connects to a remote Linux MySQL server over the network Creates a new, uniquely-named database Sends a “USE _____” command to ...
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service broker - poison message - how to handle? how to enable poison messase handling?

I am getting constantly this error message on service broker: POISON MSSAGE - Message Removed from the queue to allow other messages to proceed - ApplicationID: 377411 select top 1000 * from ...
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Rows deleted in the subscriber - what to do? - SQL Server Transactional Replication

Someone has delete by mistake a row of a table in the subscribed server/database. I am getting the following error message: The row was not found at the Subscriber when applying the replicated (...
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How to identify file for “The system cannot find the file specified.” during a pg_ctl -D start?

I'm getting one message during pg_ctl -D start of the standby server. Perhaps more of a general troubleshooting question. This is what I'm seeing when I do a pg_ctl -D start: D:\>pg_ctl -D d:\...
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Case overcounting what is expected

So I am attempting to setup a query that can track actions that are automated within our web system. The first thing I am attempting to check is the reminders we are sending out to customers. I have ...
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Periodically very slow execution of simplest queries

Inspecting MySQL slow query log I found out that in certain periods of time there are a bunch of queries in log which are supposed to be very fast but were actually very slow. For example: # User@...
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Enumerate open oracle connections

How can I troubleshoot which processes are keeping connections open? Background: A QA installation of several software components is generating an ORA-12516 error now and then, and I'm not sure which ...