We have Sitecore 9.3 instance with installed Sitecore Publishing Service 4.1.0 and Sitecore Publishing Service Module 9.3.0.

Publish itself works fine to all targets: items are appeared in corresponding databases. But when we navigate to Publishing Dashboard - it is empty (no active/queued/compeleted jobs).

There is an error in browser conlose:

Requested URL: "https://mywebsite.com/sitecore/api/ssc/publishing/jobs/%7B00000000-0000-0000-0000-000000000000%7D/All?sourceDatabase=master"
Status: 500
Message: "Nullable object must have a value."

enter image description here We have a lot of environments for our solution and faced this issue many times. Almost always it was relolved by sitecore_master_index rebuilding. Now we have two CM servers with load balancer, each CM server has its own Publishing Service hosted at the same server.

What we try to do:

  1. Rebuild sitecore_master_index
  2. Clear browser cache and restart App pool/IIS
  3. Clear Temporary Asp.Net files from IIS

It did not help, issue is still present. Did you faces this issue or have any ideas how to fix it?

  • If there are 2 CM, is there an instance that is running as an indexing role ? – Vincent Lui Aug 8 at 11:22
  • No, we do not have separate instance for indexing. Both CM servers have single one common master database and index in Solr. – x3mxray Aug 8 at 11:31

We found a solution that worked - clear dbo.Publishing_JobQueue table in master database:

 delete from [mywebsite_Master].[dbo].[Publishing_JobQueue]

It is very strange, besause of all records in this database look fine:

enter image description here

After deleting this data, Publishing Dashboard starts to work as expected: tables on the page are populated with new publishing jobs statistics.

This solution works, but keep in mind that by clearing this table you lose statistics about past publishing jobs.

| improve this answer | |
  • The publishing service is meant to have a scheduled periodic task to clean up some of those records. – Vincent Lui Aug 8 at 23:32

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