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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://issues.jboss.org/browse/SWITCHYARD" style="color: #3b73af; text-decoration: none">SwitchYard</a> / <a href="https://issues.jboss.org/browse/SWITCHYARD-2348" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-f3d74297-f912-4244-b15f-e242634384a9" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://issues.jboss.org/browse/SWITCHYARD-2348" style="color: #3b73af; text-decoration: none">SWITCHYARD-2348</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://issues.jboss.org/browse/SWITCHYARD-2348" style="color: #3b73af; text-decoration: none">HttpGatewayServlet causes ClassCastException because it can process only headers with List<String> value</a> </span>
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Issue Type:
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Affects Versions:
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2.0
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Unassigned
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Components:
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component-http
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Created:
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25/Sep/14 6:15 AM
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Priority:
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Reporter:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="mbasovni" id="email_mbasovni" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=mbasovni" style="color:#3b73af;; color: #3b73af; text-decoration: none">Martin Basovnik</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"><tt>HttpGatewayServlet</tt> causes <tt>ClassCastException</tt> because it can process only headers with <tt>List<String></tt> value.<br /> <a href="https://github.com/jboss-switchyard/components/blob/2.0.0.Alpha2/http/src/main/java/org/switchyard/component/http/HttpGatewayServlet.java#L166" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/jboss-switchyard/components/blob/2.0.0.Alpha2/http/src/main/java/org/switchyard/component/http/HttpGatewayServlet.java#L166</a></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Issue is connected with <tt>contextMapper</tt>. If we use regular expression in <tt>includes</tt> attribute with value "<tt>.*</tt>" it will add to HTTP response various types. </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">e.g. Following code appends header of type <tt>List<DefaultMessageHistory></tt><br /> <a href="https://github.com/apache/camel/blob/camel-2.12.2/camel-core/src/main/java/org/apache/camel/processor/CamelInternalProcessor.java#L681" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/apache/camel/blob/camel-2.12.2/camel-core/src/main/java/org/apache/camel/processor/CamelInternalProcessor.java#L681</a><br /> This will cause the following exception:<br /> <tt>java.lang.ClassCastException: org.apache.camel.impl.DefaultMessageHistory cannot be cast to java.lang.String</tt></p>
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