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LightWave Server: BLOB request returns HTTP error 415 - Unsupported Media Type


When LightWave Server receives a request, and the the Content-Type header is not one of: 

  • application/json
  • application/octet-stream
  • application/x-www-form-urlencoded
  • text/plain

An HTTP 415 Unsupported Media Type error is returned. This behavior is incorrect for requests that map to a BLOB field or file. For these requests, the value of the Content-Type header should be ignored.

Advisory Release Date

Aug 5, 2021

Affected Versions

  • 1.1.0
  • 1.1.1

Fixed Versions



A hotfix is available for this issue. Once the hotfix is installed, the issue will no longer occur. This hotfix is for the 1.1.1 release only. If you would like a hotfix prepared for 1.1.0, please open a support case

Note that this is a rollup hotfix which includes this previous 1.1.1 hotfix:

Hotfix Installation

Install the hotfix by following these steps:

  1. Download the hotfix PAK file using the link below and transfer the file to your NonStop system using binary transfer mode.
  2. Unpak the hotfix PAK file, which contains the following files:
    • SERVER - The SERVER program file.
    • SWORKER - The SWORKER program file.
  3. Stop any existing SERVER, SWORKER processes.
  4. Replace the existing program files with the hotfix program files.
  5. Restart the SERVER & SWORKER processes.

The VPROC for this hotfix is:

  • TNS/X - T0000L06_04AUG2021_NuWave_LWS_1_1_1_2_H_8f384bf
  • TNS/E - T0000H06_04AUG2021_NuWave_LWS_1_1_1_2_H_8f384bf
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