After updating to the current released version of Jenkins, when the build queue has a number of job in it, they are briefly displayed and then they disappear. If the page is refreshed, then jobs will appear briefly again before the same thing occurs.
- is blocking
- 
                    JENKINS-16468 Lock contention in executor queue -         
- Resolved
 
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- is related to
- 
                    JENKINS-15719 Builds and workspace disappear for jobs created after upgrade to 1.487 -         
- Resolved
 
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