Hi All, I configured a proxy server in ESB 5.0.0 as given here in [1] as [2]. I have an API[3] deployed in ESB which calls to a backend service. I have a ballerina service with a server connector as the backend service. I used a squid proxy as the intermediary proxy server and configured it by giving the http_port as 3128. When I invoke the API from a curl it shows an error like in the attached file. When I call the same backend with a curl command with the squid proxy as [4], it works fine.
[1]* https://docs.wso2.com/display/ESB500/Working+with+Proxy+Servers <https://docs.wso2.com/display/ESB500/Working+with+Proxy+Servers>* [2] <transportSender name="http" class="org.apache.synapse.tran sport.passthru.PassThroughHttpSender"> <parameter name="non-blocking" locked="false">true</parameter> <!--<parameter name="warnOnHTTP500" locked="false">*</parameter>--> <parameter name="http.proxyHost" locked="false">127.0.0.1</para meter> <parameter name="http.proxyPort" locked="false">3128</parameter> <!--<parameter name="http.nonProxyHosts" locked="false">localhost|moon|sun</parameter>--> </transportSender> [3] <api xmlns="http://ws.apache.org/ns/synapse"; name="ttt" context="/b"> <resource methods="POST GET" uri-template="/"> <inSequence> <log level="custom"> <property name="ESB" value="received============"/> </log> <send> <endpoint> <http uri-template="http://localhost:9090/hello"/> </endpoint> </send> </inSequence> <outSequence> <log level="custom"> <property name="ESB" value="response received============"/> </log> <send/> </outSequence> </resource> </api> [4] curl -v http://localhost:9090/hello --proxy 127.0.0.1:3128 Please correct me if I have done something wrong. Thanks and Regards -- *Bhashinee Nirmali* *Software Engineer* *WSO2 Lanka (Private) Limited: **http://wso2.com <http://www.google.com/url?q=http%3A%2F%2Fwso2.com&sa=D&sntz=1&usg=AFQjCNEZvyc0uMD1HhBaEGCBxs6e9fBObg>* *lean.enterprise.middle-ware* *phone: (+94) 71 21 50003* <http://wso2.com/signature>
* Trying 172.17.0.1... * Connected to 172.17.0.1 (172.17.0.1) port 8280 (#0) > GET /b HTTP/1.1 > Host: 172.17.0.1:8280 > User-Agent: curl/7.47.0 > Accept: */* > < HTTP/1.1 400 Bad Request < X-Cache: MISS from bhashinee-ThinkPad-X1-Carbon-5th < X-Cache-Lookup: NONE from bhashinee-ThinkPad-X1-Carbon-5th:3128 < Vary: Accept-Language < X-Squid-Error: ERR_INVALID_URL 0 < Mime-Version: 1.0 < Content-Language: en < Content-Type: text/html;charset=utf-8 < Via: 1.1 bhashinee-ThinkPad-X1-Carbon-5th (squid/3.5.12) < Date: Mon, 30 Oct 2017 15:18:21 GMT < Transfer-Encoding: chunked < Connection: Close < <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd";> <html><head> <meta type="copyright" content="Copyright (C) 1996-2015 The Squid Software Foundation and contributors"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>ERROR: The requested URL could not be retrieved</title> <style type="text/css"><!-- /* * Copyright (C) 1996-2015 The Squid Software Foundation and contributors * * Squid software is distributed under GPLv2+ license and includes * contributions from numerous individuals and organizations. * Please see the COPYING and CONTRIBUTORS files for details. */ /* Stylesheet for Squid Error pages Adapted from design by Free CSS Templates http://www.freecsstemplates.org Released for free under a Creative Commons Attribution 2.5 License */ /* Page basics */ * { font-family: verdana, sans-serif; } html body { margin: 0; padding: 0; background: #efefef; font-size: 12px; color: #1e1e1e; } /* Page displayed title area */ #titles { margin-left: 15px; padding: 10px; padding-left: 100px; background: url('/squid-internal-static/icons/SN.png') no-repeat left; } /* initial title */ #titles h1 { color: #000000; } #titles h2 { color: #000000; } /* special event: FTP success page titles */ #titles ftpsuccess { background-color:#00ff00; width:100%; } /* Page displayed body content area */ #content { padding: 10px; background: #ffffff; } /* General text */ p { } /* error brief description */ #error p { } /* some data which may have caused the problem */ #data { } /* the error message received from the system or other software */ #sysmsg { } pre { font-family:sans-serif; } /* special event: FTP / Gopher directory listing */ #dirmsg { font-family: courier; color: black; font-size: 10pt; } #dirlisting { margin-left: 2%; margin-right: 2%; } #dirlisting tr.entry td.icon,td.filename,td.size,td.date { border-bottom: groove; } #dirlisting td.size { width: 50px; text-align: right; padding-right: 5px; } /* horizontal lines */ hr { margin: 0; } /* page displayed footer area */ #footer { font-size: 9px; padding-left: 10px; } body :lang(fa) { direction: rtl; font-size: 100%; font-family: Tahoma, Roya, sans-serif; float: right; } :lang(he) { direction: rtl; } --></style> </head><body id=ERR_INVALID_URL> <div id="titles"> <h1>ERROR</h1> <h2>The requested URL could not be retrieved</h2> </div> <hr> <div id="content"> <p>The following error was encountered while trying to retrieve the URL: <a href="/hello">/hello</a></p> <blockquote id="error"> <p><b>Invalid URL</b></p> </blockquote> <p>Some aspect of the requested URL is incorrect.</p> <p>Some possible problems are:</p> <ul> <li><p>Missing or incorrect access protocol (should be <q>http://</q> or similar)</p></li> <li><p>Missing hostname</p></li> <li><p>Illegal double-escape in the URL-Path</p></li> <li><p>Illegal character in hostname; underscores are not allowed.</p></li> </ul> <p>Your cache administrator is <a href="mailto:webmaster?subject=CacheErrorInfo%20-%20ERR_INVALID_URL&body=CacheHost%3A%20bhashinee-ThinkPad-X1-Carbon-5th%0D%0AErrPage%3A%20ERR_INVALID_URL%0D%0AErr%3A%20%5Bnone%5D%0D%0ATimeStamp%3A%20Mon,%2030%20Oct%202017%2015%3A18%3A21%20GMT%0D%0A%0D%0AClientIP%3A%20127.0.0.1%0D%0A%0D%0AHTTP%20Request%3A%0D%0A%0D%0A%0D%0A";>webmaster</a>.</p> <br> </div> <hr> <div id="footer"> <p>Generated Mon, 30 Oct 2017 15:18:21 GMT by bhashinee-ThinkPad-X1-Carbon-5th (squid/3.5.12)</p> <!-- ERR_INVALID_URL --> </div> </body></html> * Closing connection 0
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