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  1. POHow to send POST in liferay portlet?
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    <p>Hi im begin lern liferay and have one problem. I cant send POST in portlet from jsp.</p> <p>In jsp i have :</p> <pre><code>&lt;%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %&gt; &lt;%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"&gt; &lt;portlet:defineObjects /&gt; &lt;div&gt; &lt;form action="HelloWorld" method="post" enctype="multipart/form-data"&gt; &lt;div id="up"&gt; &lt;input id="fileUpload1" type="button" name="filename" value="Привет"&gt; &lt;/div&gt; &lt;/form&gt; &lt;/div&gt; </code></pre> <p>in portlet:</p> <pre><code>public class HelloWorld extends GenericPortlet { protected void doGet(ActionRequest request, ActionResponse response) throws ServletException, IOException { // reading the user input //String color= request.getParameter("color"); HttpServletResponse servletResponse = PortalUtil.getHttpServletResponse(response); PrintWriter out = servletResponse.getWriter(); out.println("&lt;HTML&gt;"); out.println("&lt;HEAD &lt;TITLE&gt; Upload4 &lt;/TITLE&gt; &lt;/HEAD&gt;"); out.println("&lt;BODY&gt;"); out.println("&lt;FORM action = \"HelloWorld\" method = \"post\" enctype = \"multipart/form-data\"&gt;"); out.println("&lt;div id='up'&gt;"); out.println("Hello World!!"); out.println("&lt;input id='fileUpload1' type='button' name='filename' value='Привет'&gt;"); out.println("&lt;/div&gt;"); out.println("&lt;/FORM&gt;"); out.println("&lt;/BODY&gt;"); out.println("&lt;/HTML&gt;"); } } </code></pre> <p>Where i can mistake? I gonna write something in portlet's XML files? </p>
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