topic Clustering: No ContentData value exists in Alfresco Archive

Clustering: No ContentData value exists

targa2000 — Wed, 08 Sep 2010 10:00:41 GMT

I have an Alfresco cluster set up with 2 servers. I create a document on one and I can see it on the other. I can access the newly created document on the server it was created on, but when I try to access it on the 2nd server I get the following errorrg.alfresco.error.AlfrescoRuntimeException:

Re: Clustering: No ContentData value exists

esource — Fri, 17 Sep 2010 13:14:15 GMT

try rebuilding your indexes. This error comes from corrupt index information.

Re: Clustering: No ContentData value exists

afaust — Sat, 18 Sep 2010 15:27:44 GMT

We have just experienced a similar error in the production system of one of our customers and according to the investigations into the source code, this almost always is a consequence of invalid data in the 2nd level cache (ehCache) due to improper cluster setup / non-clustered operation with 2 servers accessing the same database. Corrupt indices on the database, as the previous poster suggested, are the 2nd most, but generally significantly less likely cause (provided you use a stable, production-grade RDBMS version and do not fiddle with the data manually). Make sure you have your cluster set up properly if the error persists after you tried rebuilding the indices.

Re: Clustering: No ContentData value exists

targa2000 — Mon, 20 Sep 2010 08:14:18 GMT

Thank you for your post!

Make sure you have your cluster set up properly . . .

I suppose this is the real question. How do you set up the cluster properly? Can you or anyone point me to proper configuration information?

Re: Clustering: No ContentData value exists

afaust — Mon, 20 Sep 2010 11:09:29 GMT

The definitive guides / documentation should be these two wiki pages (in that progression from "simple to understand" to "more extensive"):

Configuring_JGroups_and_Alfresco_Clusters
Cluster_Configuration_V2.1.3_and_Later

Re: Clustering: No ContentData value exists

zladuric — Sun, 17 Oct 2010 19:46:16 GMT

I just ran into similar issue, if it's not too late. Take a look at these two reported issues:
https://issues.alfresco.com/jira/browse/ALF-2719
and
https://issues.alfresco.com/jira/browse/ALF-726

I hope it helps and I hope the workarounds work for me.

Re: Clustering: No ContentData value exists

nicolasraoul — Fri, 22 Jun 2012 02:42:28 GMT

I just got this error on a 5-machines Alfresco Enterprise 3.3 cluster that was working correctly.
Maybe because all machines were restarted while a bulk import was running?

I guess it is not a cluster architecture misconfiguration, as the cluster had been working before the restart.
The error still appears when doing a full rebuild of indexes: "Reindexer 1 failed with error: No contentData value exists for ID 668254".

Nicolas Raoul