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POJSP importing a file
 

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    <p>Good day!</p> <p>I encountered the following error upon running my JSP program.</p> <pre><code>java.lang.IllegalStateException: PWC3991: getOutputStream() has already been called for this response </code></pre> <p>It seems like the html file inside my JSP doesn't work. My code is as follows:</p> <pre><code>&lt;%@page import = "java.util.*"%&gt; &lt;%@page import = "javax.servlet.*"%&gt; &lt;%@page import = "javax.servlet.http.*"%&gt; &lt;%@page import= "session.*" %&gt; &lt;%@page contentType="text/html" 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;html&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=UTF-8"&gt; &lt;title&gt;JSP Page&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;% Item item = (Item) request.getAttribute("invenItem"); if (item != null) { out.println("&lt;html&gt;&lt;title&gt;Inventory Item&lt;/title&gt;"); out.println("&lt;body&gt;&lt;h1&gt;Inventory Item Details:&lt;/h1&gt;"); out.println("Stock ID : " + item.getStockID() + "&lt;br/&gt;"); out.println("Name : " + item.getItemName() + "&lt;br/&gt;"); out.println("Unit Price: " + item.getUnitPrice() + "&lt;br/&gt;"); out.println("On Stock : " + item.getOnStock() + "&lt;br/&gt;"); out.println("&lt;/body&gt;"); out.println("&lt;/html&gt;"); } else { RequestDispatcher rd = request.getRequestDispatcher("DataForm.html"); //NOT WORKING rd.include(request, response); out.println("&lt;br&gt;Item not found...&lt;br&gt;"); rd = request.getRequestDispatcher("ItemEntry.html"); //NOT WORKING rd.include(request, response); } %&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>My html Files are located inside the folder <strong>WEB-INF</strong>. How can I make it work? DO i need to import it also? Thank you.</p>
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