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Posted to users@tomcat.apache.org by Matthias Ludwig <ma...@gmx.net> on 2016/09/05 09:24:22 UTC
Status-Code of error-pages is always http-200?
Hello,
I'm using the servlet error-page Mechanism. I tried this under Tomcat 8.0.23
and 8.5.4.
Background: I'm trying to implement a REST-Web-Service. Therefore I have to
combine error-http-status with json/xml in the response body for further
error information.
I experienced the following:
Test 1
Servlet A calls response. setStatus (code) with code >= 400
This has no effect on the response (http-status 200)
Test 2
Servlet A calls response.sendError(code) with code >= 400
My web-xml specifies an error-page handler-Servlet B.
Servlet B writes to the response-output-stream
The resulting response from tomcat has http result code 200. I expected the
origin http-result-code of Servlet A.
I tried to call response.setStatus in the error-page-handler (Servlet B).
There is no effect.
I tried to call response.sendError in the error-page-handler (Servlet B). ->
Exception "Cannot set response after response has been committed.
Is it default behaviour of tomcat that the error-pages have status code 200
?
If yes: Is there any possibility to modify this behaviour? With
configuration? I' trying to avoid any complicate hacks.
Are I'm doing anything wrong?
Any other ideas that could help me?
Thank you very much for any response.
Matthias
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Re: AW: Status-Code of error-pages is always http-200?
Posted by "André Warnier (tomcat)" <aw...@ice-sa.com>.
On 05.09.2016 14:28, Matthias Ludwig wrote:
> Problem solved: It was a programming error in my own code. I set the status
> myself to 200.
I can only say : it is a pity. With an issue so well described, it would have been a
pleasure to search the Tomcat code for the reason.
But in my experience, it is often so : when one really takes the time to analyse an issue
systematically, with the purpose of explaining a problem to others, one often finds the
error by himself as a result.
Thank you in any case for the good original post, and for the follow-up message.
If only all the people posting here could always do the same..
>
> -----Ursprngliche Nachricht-----
> Von: Matthias Ludwig [mailto:matthias-ludwig@gmx.net]
> Gesendet: Montag, 5. September 2016 11:24
> An: users@tomcat.apache.org
> Betreff: Status-Code of error-pages is always http-200?
>
> Hello,
>
> I'm using the servlet error-page Mechanism. I tried this under Tomcat 8.0.23
> and 8.5.4.
>
> Background: I'm trying to implement a REST-Web-Service. Therefore I have to
> combine error-http-status with json/xml in the response body for further
> error information.
>
> I experienced the following:
>
> Test 1
> Servlet A calls response. setStatus (code) with code >= 400 This has no
> effect on the response (http-status 200)
>
> Test 2
> Servlet A calls response.sendError(code) with code >= 400 My web-xml
> specifies an error-page handler-Servlet B.
> Servlet B writes to the response-output-stream
>
> The resulting response from tomcat has http result code 200. I expected the
> origin http-result-code of Servlet A.
>
> I tried to call response.setStatus in the error-page-handler (Servlet B).
> There is no effect.
> I tried to call response.sendError in the error-page-handler (Servlet B). ->
> Exception "Cannot set response after response has been committed.
>
> Is it default behaviour of tomcat that the error-pages have status code 200
> ?
> If yes: Is there any possibility to modify this behaviour? With
> configuration? I' trying to avoid any complicate hacks.
> Are I'm doing anything wrong?
> Any other ideas that could help me?
>
> Thank you very much for any response.
>
> Matthias
>
>
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>
>
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AW: Status-Code of error-pages is always http-200?
Posted by Matthias Ludwig <ma...@gmx.net>.
Problem solved: It was a programming error in my own code. I set the status
myself to 200.
-----Ursprüngliche Nachricht-----
Von: Matthias Ludwig [mailto:matthias-ludwig@gmx.net]
Gesendet: Montag, 5. September 2016 11:24
An: users@tomcat.apache.org
Betreff: Status-Code of error-pages is always http-200?
Hello,
I'm using the servlet error-page Mechanism. I tried this under Tomcat 8.0.23
and 8.5.4.
Background: I'm trying to implement a REST-Web-Service. Therefore I have to
combine error-http-status with json/xml in the response body for further
error information.
I experienced the following:
Test 1
Servlet A calls response. setStatus (code) with code >= 400 This has no
effect on the response (http-status 200)
Test 2
Servlet A calls response.sendError(code) with code >= 400 My web-xml
specifies an error-page handler-Servlet B.
Servlet B writes to the response-output-stream
The resulting response from tomcat has http result code 200. I expected the
origin http-result-code of Servlet A.
I tried to call response.setStatus in the error-page-handler (Servlet B).
There is no effect.
I tried to call response.sendError in the error-page-handler (Servlet B). ->
Exception "Cannot set response after response has been committed.
Is it default behaviour of tomcat that the error-pages have status code 200
?
If yes: Is there any possibility to modify this behaviour? With
configuration? I' trying to avoid any complicate hacks.
Are I'm doing anything wrong?
Any other ideas that could help me?
Thank you very much for any response.
Matthias
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