IBM Connections Content Manager (CCM) was no longer working for a customer although everything was ok a few days ago. While starting the CCMCluster the following error occurded in SystemOut.log:

Solution:

The customer changed the Linux access rights for “/tmp” for whatever reason. The changed the owner and also removed the rights for writing for “Others”. Therefore DB2 was no longer able to write some files to “/tmp” as the user “db2inst1” has no right for writing anymore. Also the stickybit was no longer set for “/tmp”:

Rights before:

Rights after “chmod 1777 /tmp”:

Then, after restarting the whole envrionment including the DB2, everything worked again.

 

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