Valued Contributor.
Valued Contributor.

[http-nio-8443-exec-6] (SqlExceptionHelper.java:144) WARN

Hi, we observed in the logs with below errors, please help to remediate.

2016-08-27 04:50:14,700 [http-nio-8443-exec-6] (SqlExceptionHelper.java:144) WARN - SQL Error: 0, SQLState: null
2016-08-27 04:50:14,701 [http-nio-8443-exec-6] (SqlExceptionHelper.java:146) ERROR - Already closed.
2016-08-27 04:50:14,819 [scoreWorkerScheduler-1] (SqlExceptionHelper.java:144) WARN - SQL Error: 0, SQLState: 08S01
2016-08-27 04:50:14,819 [scoreWorkerScheduler-1] (SqlExceptionHelper.java:146) ERROR - I/O Error: DB server closed connection
MisfireHandler: Error handling misfires: Failed to obtain DB connection from data source
java.sql.SQLException: Network error IOException: Connection refused: connect]


Thank you

1 Reply
Absent Member.
Absent Member.


Can you please provide some additional details?

  • Database type and version
  • Database connection properties such as min. and max. pool size
  • How often does this happen
  • Did you investigate possible network issues?


The opinions expressed above are the personal opinions of the authors, not of Micro Focus. By using this site, you accept the Terms of Use and Rules of Participation. Certain versions of content ("Material") accessible here may contain branding from Hewlett-Packard Company (now HP Inc.) and Hewlett Packard Enterprise Company. As of September 1, 2017, the Material is now offered by Micro Focus, a separately owned and operated company. Any reference to the HP and Hewlett Packard Enterprise/HPE marks is historical in nature, and the HP and Hewlett Packard Enterprise/HPE marks are the property of their respective owners.