Re: HttpComponent + Redirect

Mon, 09 Nov 2009 01:46:35 -0800 

I checked the code of http client 3.1, there is no parameter key of
"http.protocol.handle-redirects".
This option is part of client 4.0.
Maybe we should consider to upgrade camel-http to use httpclient 4.0.

Willem

Willem Jiang wrote:

Oh, camel-http component doesn't support to take the
parameter like "http.protocol.handle-redirects".
After digging the code for a while, I think I can do some enhancement on the camel-http endpoint this weekend :) 

Willem

Markus Wolf wrote:

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Hi Willem,


Please try to set http endpoint uri like this
http://www.example.com/example?httpClient.http.protocol.handle-redirects=false 


this results in the following exception:

org.apache.camel.ResolveEndpointFailedException: Failed to resolve
endpoint:
http://127.0.0.1:8888/track-link?e=1&httpClient.http.protocol.handle-redirects=false&l=2 
due to: Failed to resolve endpoint:
http://127.0.0.1:8888/track-link?e=1&httpClient.http.protocol.handle-redirects=false&l=2 
due to: There are 1 parameters that couldn't be set on the endpoint.
Check the uri if the parameters are spelt correctly and that they are
properties of the endpoint. Unknown
parameters=[{http.protocol.handle-redirects=false}]
    at
org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:414) 
    at
org.apache.camel.impl.DefaultProducerTemplate.resolveMandatoryEndpoint(DefaultProducerTemplate.java:402) 
    at
org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:87) 
    at
org.apache.camel.impl.DefaultProducerTemplate.request(DefaultProducerTemplate.java:262) 
    at
de.llynch.esb.tracker.LinkTrackerImplTest.testLinkClickWithParameters(LinkTrackerImplTest.java:62) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
    at
org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98) at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79) 
    at
org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87) at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77) 
    at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
    at
org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88) 
    at
org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51) 
    at
org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44) 
    at
org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27) at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37) 
    at
org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42) 
    at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46) 
    at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) 
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) 
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) 
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) 
    at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) 
Caused by: org.apache.camel.ResolveEndpointFailedException: Failed to
resolve endpoint:
http://127.0.0.1:8888/track-link?e=1&httpClient.http.protocol.handle-redirects=false&l=2 
due to: There are 1 parameters that couldn't be set on the endpoint.
Check the uri if the parameters are spelt correctly and that they are
properties of the endpoint. Unknown
parameters=[{http.protocol.handle-redirects=false}]
    at
org.apache.camel.impl.DefaultComponent.validateParameters(DefaultComponent.java:115) 
    at
org.apache.camel.component.http.HttpComponent.createEndpoint(HttpComponent.java:117) 
    at
org.apache.camel.impl.DefaultComponent.createEndpoint(DefaultComponent.java:79) 
    at
org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:394) 
    ... 26 more




This behaviour is caused, because there is not javabean setter for the
property in the HttpClientParam class.

But thanks anyway :)



You can dig the HttpClient's document[1] for more information.
[1]http://hc.apache.org/httpcomponents-client/tutorial/html/httpagent.html#d4e1015 


Willem

Markus Wolf wrote:
Hi there,

I would like to write a unit test that verifies that our services
processor returns an expected redirect after processing. But the
httpclient always implicitly redirects and returns that result.

Is there a way to force the http-client endpoint to do not redirect but
set the http-status header and the location header?

Thanks
Markus Wolf


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