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PORequest and get response from servlet
 

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    <p>I have to send customer info to server and get response from it. My flow is to send customer info using POST from JSP to Servlet. From Servlet, I will send data and get status from response. But when I send data to server, I got http error 500. I can send data to HTTP or HTTPS. If I have to use HTTPS protocol to request server, how can I achieve this?</p> <p>Here's the servlet code.</p> <pre><code> String refNo = request.getParameter("ref"); String amount = request.getParameter("amt"); response.setContentType(CONTENT_TYPE); URL url; URLConnection urlConn; DataOutputStream cgiInput; // URL of target page script. url = new URL("http://uat.telemoney.com.sg/easypay2/paymentpage.do"); urlConn = url.openConnection(); urlConn.setDoInput(true); urlConn.setDoOutput(true); urlConn.setUseCaches(false); urlConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); String content = "mid=" + URLEncoder.encode(MERCHANT_ID) + "&amp;ref=" + URLEncoder.encode(refNo)+ "&amp;cur=" + URLEncoder.encode("SGD"); content += "&amp;statusurl=" + URLEncoder.encode("http://www.winsondbs.com:8080/TestWeb/Servlet/DBSController") + "&amp;paytype=" + URLEncoder.encode("2"); content += "&amp;ccnum=" + URLEncoder.encode("5111111111111115") + "&amp;ccdate=" + URLEncoder.encode("1511") + "&amp;cccvv=" + URLEncoder.encode("989"); content += "&amp;amt=" + URLEncoder.encode(amount) + "&amp;creditCardName=" + URLEncoder.encode("raymond") + "&amp;cccvv=" + URLEncoder.encode("989"); System.out.println(content); // Send POST output. cgiInput = new DataOutputStream(urlConn.getOutputStream()); cgiInput.writeBytes(content); cgiInput.flush(); cgiInput.close(); // reads the CGI response and print it inside the servlet content BufferedReader cgiOutput = new BufferedReader(new InputStreamReader(urlConn.getInputStream())); PrintWriter servletOutput = response.getWriter(); servletOutput.print("&lt;html&gt;&lt;body&gt;&lt;h1&gt;This is the Source Servlet&lt;/h1&gt;&lt;p /&gt;"); String line = null; while (null != (line = cgiOutput.readLine())){ servletOutput.println(line); } cgiOutput.close(); servletOutput.print("&lt;/body&gt;&lt;/html&gt;"); servletOutput.close(); </code></pre> <p>Below is the error:</p> <pre><code> Jan 16, 2013 8:33:04 PM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet DBSController threw exception java.io.IOException: Server returned HTTP response code: 500 for URL: http://uat.telemoney.com.sg/easypay2/paymentpage.do at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at servlet.com.dbs.www.DBSController.doPost(DBSController.java:163) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source) </code></pre> <p>How can I solve it?</p>
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    1. PTQuestion
    1. USBalusC
    1. USRaymond
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      1. PORequest and get response from servlet
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    1. COAre you sure that the url you trying to connect is working?
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      1. USMustafa Genç
    2. COhow can i check that connect url is working or not? I'm new to java servlet.. when i just use <form> tag to redirect or just use request.sendRedirect(), it's ok.. but i don't get status..
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    3. COas i can suggest, it doesn't work properly since it gives internal server error --> Server returned HTTP response code: 500 for URL: http://uat.telemoney.com.sg/easypay2/paymentpage.do
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      1. PORequest and get response from servlet
      1. USMustafa Genç
 

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