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I'm using jCryption and JavaCryption, the server-side implementation of the jCryption JavaScript plug-in.

There appears to be an issue with what seems the Java implementation, in that FireFox's firebug is reporting a "not-well formed" error with the JSON that is returned to the client from the server. So, unlike the thread, "not well-formed" error in Firefox when loading JSON file with XMLHttpRequest, this is coming from the response object, NOT the request object.

I tried adding .JSON, application/json as a MIMEtype to my web server, IIS 7.5, but that didn't help. Then I tried .JSON, text/plain and that didn't help, either.

Do I have to edit the Java code to force application/json, when it sends it back to the client? Or, what can I do to resolve this issue?

Thank you for any help.

Here is the raw output for the first one causing the "not-well formed" error:

HTTP/1.1 200 OK
Content-Length: 294
Server: Microsoft-IIS/7.5
X-Powered-By: Nothing
Date: Tue, 23 Oct 2012 02:10:24 GMT

{"e":"10001","n":"b3fbbe3d2e3599e840a117be08f72726d8ee643dada3805ab24b9a9150d123a7a0902ae45f2f2e194e5462c4f5c3b91cca91b48d1f07c6cd7fab629a331148f66516df05dfa0bd95cc9f477069e60fa54eab8a5586d08436717758d9706b90c884eded7260af1ce5ff70f507b9c5ddb019b6e1313a77f4eab3b2d04a09934d8d","maxdigits":"131"}

Here is the second one:

HTTP/1.1 200 OK
Content-Length: 200
Server: Microsoft-IIS/7.5
X-Powered-By: Nothing
Date: Tue, 23 Oct 2012 02:10:24 GMT

{"challenge":"zf6iI5D8hVDCmMVuHIFy71ikKxcqVzkLplMDKP6Hgz7EPv2STfYjcBlf6ep1wu5OMCCsPKf4dRECpVvr7yIK8kCm0I5c4xTXCkmnyyzBXeHgbvkzGWVmaLzxj5RYajdWLFkvN1waV41FhR+PtK1tOmGe8k57wSZ/yyZUAsvh7NaJf6THc9P9rQ=="}
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1 Answers1

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You need to look at what is in the actual response. You need to look at what the responses content-type header currently says, and what the body of the response contains. Firebug can show you both of those.

There is a good chance that the response body is not JSON at all ... but an HTML error report about some problem with the request (as the server sees it).

Either way, you can't resolve the problem properly until you have worked out what is causing it. Simply assuming that it is content type problem is not a sound strategy.

Based on the response you posted, the problem is most likely due to the fact that there is no Content-Type header. If this response comes from Java, then you probably do need to modify the Java (or JSP) to set the missing header in the response.

(There are other ways to do this if it is impossible to change the servlet or JSP code.)

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Stephen C
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  • Thank you very much. I will give that a shot and report my findings. Thank you, again. I appreciate the links, as well. Question? How would I do this without changing the servlet or JSP code, since you raised it? Thank you. – user717236 Oct 23 '12 at 02:26
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    Well, you could do it by putting something on the servlet filter chain that added the header to certain responses on the way out. – Stephen C Oct 23 '12 at 03:59
  • Thank you very much. That fixed the Firefox error. I appreciate your help! – user717236 Oct 23 '12 at 04:22