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Release 7.4.2: Modification of the JSON response for errors

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  • Release 7.4.2: Modification of the JSON response for errors

    (1) The error_params parameter now always holds an empty JSON array, mainly for compatibility reasons with clients expecting something here

    (2) The error_desc field is newly introduced and contains a technical error message (always English), useful for debugging the problem or putting it into a client-side log

    (3) If configured, the error_stack parameter provides the stack trace of the associated Java exception

    A potential issue might arise if clients directly access the error_params array, since they can no longer rely on the presence of replacement parameters there, e.g. for the data size parameters ( http://oxpedia.org/wiki/index.php?title=HTTP_API#DataSizeParameters ). Therefore, client applications should check their compatibility with the new handling.

    The complete format of the response body is documented at http://oxpedia.org/wiki/index.php?title=HTTP_API#Low_level_protocol .
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