In the periodical error output on catalina.out

Document ID : KB000101623
Last Modified Date : 31/08/2018
Show Technical Document Details
Issue:
The following errors frequently occurrs. 
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06/11 10:25:08.517 DEBUG (SimpleThreadPoolWorker-10:) - [APIListXS general] -- Document not found: /sitebuilder/content/groups/APIs/b7298cba-bf8c-4227-b548-a0c8fa059cc5.xml 
06/11 10:25:08.722 DEBUG (SimpleThreadPoolWorker-10:) - [XSLTUtil general] -- XSLTUtil.translate: XSLT in:378906 out:10404 time: 130 ms. 
06/11 10:25:08.722 DEBUG (SimpleThreadPoolWorker-10:) - [EditingUtils timings] -- Internal request /internal/read/api-availability (HEAD) PRE - Threads:49 Memory max:1908932608 total:1903165440 free:179716112 

...........................

3165440 free:137797072 
Size:10404b Type:text/html Total Time:8720 ms 
[Fatal Error] :-1:-1: Premature end of file. 
06/11 10:25:08.723 ERROR (SimpleThreadPoolWorker-10:) - [general] -- MetaInfo.setupForInternalRead Failed - invalid XML 
06/11 10:25:08.723 ERROR (SimpleThreadPoolWorker-10:) - [general] -- java.lang.NullPointerException 
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What is the root cause? 
What is the solution? 
Environment:
CA API Developer Portal - 3.1
Cause:
The following is output in the log.
Document not found: /sitebuilder/content/groups/APIs/b7298cba-bf8c-4227-b548-a0c8fa059cc5.xml 
This means that reading of a nonexistent file failed.
Internal configuration information has problems
Resolution:
This can be corrected by the following step.

01.  removing the following two files.
  /opt/Deployments/lrs/repository/META/HEAD/xml_content/layer7/APIs/api-availability.xml
  /opt/Deployments/lrs/repository/META/PUBLISHED/xml_content/layer7/APIs/api-availability.xml 

02.requesting http://sitename/internal/write/api-status