APEX_WEB_SERVICE Request Fails with "LPX-00217: invalid character 31 (U+001F)" (Doc ID 2239982.1)

Last updated on MARCH 03, 2017

Applies to:

Oracle Application Express (formerly HTML DB) - Version 4.2 to 5.1.0 [Release 4 to 5]
Oracle Database Cloud Service - S5 - Version N/A and later
Oracle Database Cloud Service - S20 - Version N/A and later
Oracle Database Cloud Service - S50 - Version N/A and later
Oracle Database as a Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

 When running APEX_WEB_SERVICE calls, they may fail with an error similar to the following:

 This failure may be intermittent or it may occur consistently for certain types of web service calls.

Cause

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