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14292240
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2013-01-12T10:02:51.507
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2013-01-12T10:02:51.507
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First let's clear some vocabulary: <ul> <li><code>error.jsp</code> and <code>./../error.jsp</code> are examples of relative paths</li> <li><code>/page01.jsp</code> and <code>/app/page.html</code> are examples of absolute paths</li> </ul> Back to your question. When using <a href="http://docs.oracle.com/javaee/6/api/javax/servlet/RequestDispatcher.html" rel="noreferrer"><code>RequestDispatcher</code></a> by calling <a href="http://docs.oracle.com/javaee/6/api/javax/servlet/ServletContext.html#getRequestDispatcher(java.lang.String)" rel="noreferrer"><code>ServletContext.getRequestDispatcher(String)</code></a> you must always forward within your web application and leading slash is necessary (bold mine): <blockquote> The pathname must begin with a <code>/</code> and is interpreted as relative to the current context root. </blockquote> So when you forward to <code>/page01.jsp</code> it is interpreted as: <code>/your_context/page01.jsp</code> where <code>your_context</code> is the name of your web application. However when you send redirect to the <code>/error.jsp</code> path, servlet container simply sends that address back in 302 response to the browser. Now the browser interprets it as follows: please redirect to <code>/error.jsp</code>, an absolute path in the current server. So even if the browser was pointing to <code>http://example.com/foo/bar/servlet</code>, this response redirects to <code>http://example.com/error.jsp</code>. It's much different, however, if you simply redirect to <code>error.jsp</code> the browser behaves differently. It interprets it as file in current directory. So <code>http://example.com/foo/bar/servlet</code> will be redirected to <code>http://example.com/foo/bar/error.jsp</code>. And this is what you see.
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1. POredirect call not working in servlets
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1. USTomasz Nurkiewicz
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1. COthanks, it means a lot to me!
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 USVishal Anand

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