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Error message: "413 Request Entity Too Large"?


After having upgraded to SP9 of SAP EP 6.4, some of our iViews have begun failing with the error message "413 Request Entity Too Large". As seen from the description of HTTP error messages at

the request is too long for the server to accept it. However, reloading the iView momentarily corrects the behaviour, but only allows one click of the mouse in the iView. Additional clicks result in the same error.

Are anyone able to explain this behaviour and possibly give hints as to how we avoid it? This would very much be appreciated.

Thanks in advance,


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  • author's profile photo Former Member
    Former Member
    Posted on Jan 10, 2005 at 03:18 PM

    We've already found the solution (from SAP): "The maximum accepted request headers length is customizable. It can be adjusted by the MaxRequestHeadersLength property of http service on dispatcher (if using cluster version), or on the alone node (if using the standalone version). You can change this property to a larger value, or set it to a negative value. The negative value means that no restrictions will be imposed on the request headers length. Setting the above mentioned negative value for MaxRequestHeadersLength is possible for service pack 14 and later of the j2ee engine. If the version you are using is lower, you have to increase the value of the property. Sufficient in this case might be to double the default"

    This works for us 😊

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