P6 Web Service ImportProjectAsyncASAP Operation Fails With Error "Invalid UTF-8 Start Byte 0x8b (At Char #2, Byte #-1)" When Using GZIP or ZIP (Doc ID 2548904.1)

Last updated on SEPTEMBER 09, 2019

Applies to:

Symptoms

When attempting to create a ImportProjectAsyncASAP request XML format works as expected, but when using GZIP and ZIP, the following error occurs.

ERROR
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Invalid UTF-8 start byte 0x8b (at char #2, byte #-1)

STEPS
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The issue can be reproduced at will with the following steps:
1. Export a project as type GZIP
2. Create a ImportProjectAsyncASAP request. For example:
     <v1:ImportProjectAsyncASAP>
        <!--1 or more repetitions:-->
        <v1:ImportProject>
           <v1:ImportOption>Create New</v1:ImportOption>
           <v1:EPSObjectId>4030</v1:EPSObjectId>
        </v1:ImportProject>
        <v1:ImportType>Primavera</v1:ImportType>
        <v1:PreImportCustomizationTemplateName>Default Import Template</v1:PreImportCustomizationTemplateName>
        <v1:FileType>GZIP</v1:FileType>
        <v1:ProjectData>EC00515.gzip1</v1:ProjectData>
     </v1:ImportProjectAsyncASAP>

3. Request fails with the error
4. Change FileType to XML and upload and XML file instead of GZIP and the same request will succeed. Same issue occurs with ZIP

Changes

Cause

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