Create a Java Client with mps error 404

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Chao Li
Chao Li 2017-3-23
回答： deng hanbo 2019-8-4
When I look at the official document - "MATLAB® Production Server ™ client using the Java® client API", when I implement this code, eclipse told me that there is a mistake, but I have nothing to do with this error;
This is a link to the document:https://cn.mathworks.com/help/mps/qs/create-a-java-application-that-calls-the-deployed-function.html
The error code is "com.mathworks.mps.client.MWHttpException: Failed HTTP request; Response Status: 404, Response Message: ComponentNotFound Component not found. (request id=0:1:0)"
and my operating system is openSUSE 42.2, jdk version is 1.7，MATLAB Production Server version is R2016b

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回答（3 个）

Kojiro Saito
Kojiro Saito 2017-5-29
ComponentNotFound means the specified URL (<http://localhost:9910/addmatrix>) does not match the MPS component address.
Could you confirm your deployed addmatrix CTF is starting on MPS with port number 9910?
aaaa
aaaa 2018-2-15
I have the same problem even in MPS
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aaaa
aaaa 2018-2-19
I did tha same but still not working.
Kojiro Saito
Kojiro Saito 2018-2-20
Could you confirm whether you can access MPS by curl command?
If you're using Windows machine, you need to download curl exe from here and please do the following in Command Prompt.
curl -v -H "Accept: application/json" -H "Content-type: application/json" -X POST http://localhost:9910/addmatrix/addmatrix -d "{\"nargout\":1, \"rhs\":[[[1,2,3],[3,2,1]],[[4,5,6],[6,5,4]]], \"outputFormat\":{\"mode\": \"small\"}}"
If you're using Linux machine, please do the following in Terminal.
curl -v -H "Accept: application/json" -H "Content-type: application/json" -X POST http://localhost:9910/addmatrix/addmatrix -d '{"nargout":1, "rhs":[[[1,2,3],[3,2,1]],[[4,5,6],[6,5,4]]], "outputFormat":{"mode": "small"}}'
If the above curl command returns {"lhs":[[[5,7,9],[9,7,5]]]}, MPS connection is OK and the root cause would be Java side.

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deng hanbo
deng hanbo 2019-8-4
hi,Dear Chao Li
I meet same problem with you,Java Client with mps error 404.Are you find solution? Would you mind share your solution with me?Thank you very much.

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