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--- onboarding:reportingmanager:troubleshooting_-_report_error_tmp_sql [2017/05/18 10:15] – mmcc
+++ onboarding:reportingmanager:troubleshooting_-_report_error_tmp_sql [2021/06/25 10:09] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== Troubleshooting - Report error /tmp/sql ======
+Author: Michelle McCausland
+===== Example Customer Request =====
+<code> Support, I got a strange error that I have not seen before while running a report (Alarm History for...(Active Alarms))":
+</code>
+{{ :onboarding:reportingmanager:sql_report_error.png?nolink |}}
+----
+===== Steps to find the solution =====
+//Support ticket created was ESR-994263 - Investigate Error when running Active Alarms Report on QA.//
+**1. Attempt to recreate the error**
+At first when I ran the report with the default variables I couldn't recreate the error.
+**2. Review the logs for clues**
+I then went back to the logs from the 1st February to get the variables that Steve used to run the report.
+The only difference was that the Start Date was 2016/01/01 and the End Date was 2016/02/08.
+The first time running the report with these variables it seemed to hang for ages, even the logs just hung.
+I stopped the report and ran it again with this same variables and this time I got the error.
+I checked the stack trace and it didn't give an awful lot of info other than it was something that SQL didn't like:
+{{ :onboarding:reportingmanager:sql_code_exception.png?nolink |}}
+**3. Review the codebase**
+I also took a look at the reporting manager codebase but couldn't find the exception that was being thrown.
+**4. Use Google**
+So I turned to google.
+The Incorrect key file for table '/tmp/#.... error is caused by a lack of disk space in the /tmp folder.
+The error can be resolved in a few ways, either by optimising the query or giving more disk space to the /tmp folder.

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