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Communication Error: (22) The requested URL returned error: 500 Internal Server Error

laurentades
in Custom Web Publishing

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I am stuck with a very painful one:

 

I am using cwp php to access FM data from FMGo (iOS SDK 15) using 'insert from URL'.

 

On a very erratic basis, I either get a successful call or  a "Communication Error: (22) The requested URL returned error: 500 Internal Server Error" response.

  • Credentials have been checked over and over again : they are valid
  • The fmphp flag for the user is set 
  • No actual correlation with server load/activity. This happens either when CPU is spinning or when it's flat as brain-dead. Same for RAM

 

I can see quite a bit of posts out there on this 'Communication Error: (22)' - sometimes with alternate HTTP code (401/403/502...) but none actually seem be resolved or  directed to any specific root cause. Performance ? Scripting error ? The overall stuff works from time to time wothout changing anything though...

 

Any idea anyone ? Thanks

 

Laurent

 

OS X 10.10.5 + FMS 13.0.10.1004

Plugins: 360Works FTPeek + Custom from 360Works ScriptMaster

Cross-post from FM Technet: https://community.filemaker.com/thread/163526

(nor problem with posting in both places but please indicate so that those of us who are on both forums know that this is the same issue).

See my answer on TechNet: do you see the attempt being made in the WPE log?

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https://fmforums.com/topic/100046-communication-error-22-the-requested-url-returned-error-500-internal-server-error/
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