Improved handling of 100 Continue #12113
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* Changed ContentSender demand from iterate()+IDLE to succeeded()+SCHEDULED. This ensures that there is no re-iteration in case a 100 Continue response arrives. This, in turn, avoids that the demand is performed multiple times, causing ISE to be thrown. * Changed the 100 Continue action of the proxy Servlet/Handler, that provides the request content, to be executed by the HttpSender, rather than by the HttpReceiver. Signed-off-by: Simone Bordet <simone.bordet@gmail.com>
* Now `HttpClient` removed the `Expect` header if there is no request content. * Changed AbstractProxyServlet and ProxyHandler check for request content: now the Content-Type header is not taken into consideration. * Now the server avoids sending the 100 Continue response if there is no request content. Signed-off-by: Simone Bordet <simone.bordet@gmail.com>
gregw
previously requested changes
Jul 31, 2024
jetty-core/jetty-server/src/main/java/org/eclipse/jetty/server/internal/HttpChannelState.java
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Is the work here going to help the old 100-Continue issue with AsyncMiddleManServlet? |
Now the request body is not defaulted if missing, but just kept null. Signed-off-by: Simone Bordet <simone.bordet@gmail.com>
gregw
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Aug 2, 2024
jetty-core/jetty-client/src/main/java/org/eclipse/jetty/client/transport/HttpConnection.java
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| @@ -215,6 +207,9 @@ protected void normalizeRequest(HttpRequest request) | |||
| request.addHeader(new HttpField.LongValueHttpField(HttpHeader.CONTENT_LENGTH, contentLength)); | |||
| } | |||
| } | |||
| // RFC 9110, section 10.1.1. | |||
| if (content == null || content.getLength() == 0) | |||
| request.headers(h -> h.remove(HttpHeader.EXPECT)); | |||
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technically you should just remove the 100-continue value from the Expect header, but as there are currently no other defined values, this is probably OK.
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Correct. And we don't have an easy API in HttpFields to remove a single value.
jetty-ee9/jetty-ee9-proxy/src/main/java/org/eclipse/jetty/ee9/proxy/AbstractProxyServlet.java
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…continue-fixes'. Signed-off-by: Simone Bordet <simone.bordet@gmail.com>
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firoj0
approved these changes
Aug 2, 2024
lorban
previously approved these changes
Aug 7, 2024
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Hi All, Would you please set expectations as to next steps? Are we waiting on a review from @gregw ? TY! |
Signed-off-by: Simone Bordet <simone.bordet@gmail.com>
sbordet
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lorban
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Aug 13, 2024
jetty-ee10/jetty-ee10-proxy/src/test/java/org/eclipse/jetty/ee10/proxy/ProxyServletTest.java
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@garydgregory this PR is almost ready to be merged in, we won't wait for @gregw (currently in vacation). It will be in the next Jetty 12 release, due end of month. |
Signed-off-by: Simone Bordet <simone.bordet@gmail.com>
lorban
approved these changes
Aug 13, 2024
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HttpClientremoved theExpectheader if there is no request content.