MCP-Server dropping

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Scott Renton

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Jan 17, 2022, 6:24:04 AMJan 17
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Hi folks,

Scott Renton from University of Edinburgh, running Archivematica v.1.12 here.

Our MCP-Server process has been dropping as below within a couple of minutes of restarting this morning, and resultantly we can't populate the dashboard ("Error trying to connect to MCP server. Trying again... "). I wondered if anyone could advise on checks as to how to fix this- I'm pretty new to Archivematica, so might need a bit of guidance as to database access. I've rebooted the server to go for a fresh start, but to no avail.

I've tried restarting all microservices in the agreed order (server, client, dashboard, storage service, clamscan), but it is going down. Not seen this before!

Thanks
Scott

Systemd output:

Jan 17 11:11:51 lac-archivematica-test1 python[4586]: File "/usr/share/archivematica/virtualenvs/archivematica-mcp-server/lib/python2.7/site-packages/django/db/mod... in update

Jan 17 11:11:51 lac-archivematica-test1 python[4586]: rows = query.get_compiler(self.db).execute_sql(CURSOR)

Jan 17 11:11:51 lac-archivematica-test1 python[4586]: File "/usr/share/archivematica/virtualenvs/archivematica-mcp-server/lib/python2.7/site-packages/django/db/mod...xecute_sql

Jan 17 11:11:51 lac-archivematica-test1 python[4586]: cursor = super(SQLUpdateCompiler, self).execute_sql(result_type)

Jan 17 11:11:51 lac-archivematica-test1 python[4586]: File "/usr/share/archivematica/virtualenvs/archivematica-mcp-server/lib/python2.7/site-packages/django/db/mod...xecute_sql

Jan 17 11:11:51 lac-archivematica-test1 python[4586]: raise original_exception

Jan 17 11:11:51 lac-archivematica-test1 python[4586]: django.db.utils.OperationalError: (1205, 'Lock wait timeout exceeded; try restarting transaction')



Scott Renton

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Jan 17, 2022, 8:26:12 AMJan 17
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Update- we seem to be connecting, even though I can't see an MCP Server python process running on the VM. Perhaps I've overstated/misunderstood the issue!

Cheers
Scott

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