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https://issues.apache.org/jira/browse/CAMEL-12149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328417#comment-16328417
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ASF GitHub Bot commented on CAMEL-12149:
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davsclaus commented on issue #2179: fix CAMEL-12149 ensure the CONTENT_TYPE
header can be retrieved
URL: https://github.com/apache/camel/pull/2179#issuecomment-358226089
Yeah ObjectHelper.isEmpty would also check for an empty string, however not
sure if you would have a Content-Type header that would be a `""`.
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> Failed to invoke camel cxfrs client due to Content-Type header couldn't be
> retrieved and passed
> -----------------------------------------------------------------------------------------------
>
> Key: CAMEL-12149
> URL: https://issues.apache.org/jira/browse/CAMEL-12149
> Project: Camel
> Issue Type: Bug
> Components: camel-cxfrs
> Affects Versions: 2.19.4, 2.20.1
> Reporter: Xilai Dai
> Priority: Major
>
> As of Camel 2.19.x, async support is added by default in the CxfRsProducer.
> Considering this simple rsClient:
> {code:java}
> <camel-cxf:rsClient id="restClient"
> address="http://localhost:8040/services/eventlogging/events";
> serviceClass="org.talend.esb.eventlogging.sender.rest.EventLogging"
> loggingFeatureEnabled="true">
> <camel-cxf:providers>
> <ref component-id="jsonProvider" />
> </camel-cxf:providers>
> <camel-cxf:headers>
> <entry key="Content-Encoding" value="UTF-8" />
> <entry key="Content-Type" value="application/json" />
> </camel-cxf:headers>
> </camel-cxf:rsClient>
> <camel:camelContext>
> <camel:route>
> <camel:from uri="timer://foo?repeatCount=1" />
> <camel:process ref="marshallingPreparationProcessor" />
> <camel:to uri="cxfrs://bean://restClient" />
> </camel:route>
> </camel:camelContext>{code}
> It works well with the right Content-Type setting in Camel
> 2.17.x/Camel.2.18.x, but the Content-Type will be wildcard and "No message
> body writer has been found ..." will be thrown when invoke the restClient in
> Camel 2.19.x/2.20.x.
> {code:java}
> ----------------------------
> ID: 1
> Address: http://localhost:8040/services/eventlogging/events
> Http-Method: POST
> Content-Type: */*
> Headers: {Content-Encoding=[UTF-8], Content-Type=[*/*],
> Content-Language=[en_US], Accept=[*/*]}
> --------------------------------------
> [mel-1) thread #0 - timer://foo] CxfRsProducer ERROR Failed
> request
> javax.ws.rs.ProcessingException: No message body writer has been found for
> class org.talend.esb.eventlogging.sender.rest.EventList
> , ContentType: */*
> at
> org.apache.cxf.jaxrs.client.AbstractClient.reportMessageHandlerProblem(AbstractClient.java:810)
> at
> org.apache.cxf.jaxrs.client.AbstractClient.writeBody(AbstractClient.java:497)
> at
> org.apache.cxf.jaxrs.client.WebClient$BodyWriter.doWriteBody(WebClient.java:1178)
> at
> org.apache.cxf.jaxrs.client.AbstractClient$AbstractBodyWriter.handleMessage(AbstractClient.java:1174)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
> at
> org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:677)
> at
> org.apache.cxf.jaxrs.client.WebClient.doInvokeAsync(WebClient.java:952)
> at
> org.apache.cxf.jaxrs.client.WebClient.doInvokeAsyncCallback(WebClient.java:915)
> at
> org.apache.cxf.jaxrs.client.WebClient$AsyncInvokerImpl.method(WebClient.java:1440)
> at
> org.apache.camel.component.cxf.jaxrs.CxfRsProducer.invokeAsyncHttpClient(CxfRsProducer.java:175)
> at
> org.apache.camel.component.cxf.jaxrs.CxfRsProducer.process(CxfRsProducer.java:116){code}
> ([https://github.com/xldai/test/tree/master/test-cxfrs] is created for easily
> reproduce this issue)
> A PR is created for fixing this issue.
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