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		<title>ForoDeJava.com La Comunidad de Java Habla Hispana - JSP y Servlet</title>
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		<description>Aprende Java Server Pages y servlets, sacale el jugo al mundo web en java</description>
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			<title>ForoDeJava.com La Comunidad de Java Habla Hispana - JSP y Servlet</title>
			<link>http://www.forodejava.com</link>
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			<title>Ayuda formulario</title>
			<link>http://www.forodejava.com/</link>
			<pubDate>Tue, 07 Sep 2010 03:19:29 GMT</pubDate>
			<description>Holas, disculpen por el titulo pero no sabia como describirlo, tengo el siguiente problema, tengo un formulario que envia datos a un servlet y el...</description>
			<content:encoded><![CDATA[<div>Holas, disculpen por el titulo pero no sabia como describirlo, tengo el siguiente problema, tengo un formulario que envia datos a un servlet y el servlet le responde al mismo formulario, cargando los datos de respuesta en el mismo formulario, con lo cual el jsp es :<br />
<div style="margin:20px; margin-top:5px">
	<div class="smallfont" style="margin-bottom:2px">Código:</div>
	<hr /><code style="margin:0px" dir="ltr" style="text-align:left">&lt;%<br />
&nbsp; &nbsp; String mensaje=(String)request.getSession().getAttribute(&quot;error&quot;);<br />
&nbsp; &nbsp; if(mensaje==null){<br />
&nbsp; &nbsp; &nbsp; &nbsp; mensaje=&quot;&quot;;<br />
&nbsp; &nbsp; }<br />
&nbsp; &nbsp; String billetes200=(String)request.getSession().getAttribute(&quot;billetes200&quot;);<br />
&nbsp; &nbsp; String billetes100=(String)request.getSession().getAttribute(&quot;billetes100&quot;);<br />
&nbsp; &nbsp; String billetes50=(String)request.getSession().getAttribute(&quot;billetes50&quot;);<br />
&nbsp; &nbsp; String billetes20=(String)request.getSession().getAttribute(&quot;billetes20&quot;);<br />
&nbsp; &nbsp; String billetes10=(String)request.getSession().getAttribute(&quot;billetes10&quot;);<br />
&nbsp; &nbsp; if(billetes200==null){<br />
&nbsp; &nbsp; &nbsp; &nbsp; billetes200=&quot;0&quot;;<br />
&nbsp; &nbsp; &nbsp; &nbsp; billetes100=&quot;0&quot;;<br />
&nbsp; &nbsp; &nbsp; &nbsp; billetes50=&quot;0&quot;;<br />
&nbsp; &nbsp; &nbsp; &nbsp; billetes20=&quot;0&quot;;<br />
&nbsp; &nbsp; &nbsp; &nbsp; billetes10=&quot;0&quot;;<br />
&nbsp; &nbsp; }<br />
%&gt;<br />
<br />
&lt;html&gt;<br />
&nbsp; &nbsp; &lt;head&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=UTF-8&quot;&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &lt;title&gt;Cajero Autom&amp;aacute;tico&lt;/title&gt;<br />
&nbsp; &nbsp; &lt;/head&gt;<br />
&nbsp; &nbsp; &lt;body&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &lt;h1 aling=&quot;center&quot;&gt;Cajero Autom&amp;aacute;tico&lt;/h1&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &lt;form name=&quot;form1&quot; action=&quot;servletPregunta1&quot; method=&quot;POST&quot;&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;table border=&quot;1&quot; align=&quot;center&quot;&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;thead&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;th colspan=&quot;2&quot; align=&quot;center&quot;&gt;Retiro de Dinero&lt;/th&gt;<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/thead&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tbody&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;Monto a retirar&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;&lt;input type=&quot;text&quot; name=&quot;txtMonto&quot; value=&quot;0&quot; style=&quot; text-align:right &quot;/&gt;&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td colspan=&quot;2&quot; align=&quot;center&quot;&gt;&lt;input type=&quot;submit&quot; value=&quot;Aceptar&quot; name=&quot;btnAceptar&quot; /&gt;&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;Billetes de 200&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;&lt;input type=&quot;text&quot; name=&quot;txt200&quot; value=&lt;%=billetes200%&gt; readonly=&quot;readonly&quot; text-align:right /&gt;&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;Billetes de 100&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;&lt;input type=&quot;text&quot; name=&quot;txt100&quot; value=&lt;%=billetes100%&gt; readonly=&quot;readonly&quot; text-align:right/&gt;&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;Billetes de 50&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;&lt;input type=&quot;text&quot; name=&quot;txt50&quot; value=&lt;%=billetes50%&gt; readonly=&quot;readonly&quot; text-align:right/&gt;&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;Billetes de 20&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;&lt;input type=&quot;text&quot; name=&quot;txt20&quot; value=&lt;%=billetes20%&gt; readonly=&quot;readonly&quot; text-align:right/&gt;&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;Billetes de 10&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;td&gt;&lt;input type=&quot;text&quot; name=&quot;txt10&quot; value=&lt;%=billetes10%&gt; readonly=&quot;readonly&quot; text-align:right/&gt;&lt;/td&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tr&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/tbody&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/table&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;%=mensaje%&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &lt;/form&gt;<br />
&nbsp; &nbsp; &nbsp; &nbsp; &lt;a href=&quot;index.jsp&quot;&gt; Regresar &lt;/a&gt;<br />
&nbsp; &nbsp; &lt;/body&gt;<br />
&lt;/html&gt;</code><hr />
</div>el problema es que al cargar, ejecutar,cerrar la pagina y otra vez cargarla me aparecen los valores de la ultima consulta, lo cual se soluciona solo eliminando las cookies y ejecutandolo otra vez, ahora quiero saber si hay algun metodo al cerrar la pagina y cargarla otra vez salgan los valores iniciales.<br />
<br />
De la misma forma al usar el enlace : &lt;a href=&quot;index.jsp&quot;&gt; Regresar &lt;/a&gt;, tendria que pasar lo mismo, al momento de ir del index a mi formulario que los valores sean los iniciales, espero me hayan entendido.<br />
<br />
saludos</div>

]]></content:encoded>
			<category domain="http://www.forodejava.com/forumdisplay.php?f=12">JSP y Servlet</category>
			<dc:creator>Quito166</dc:creator>
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		<item>
			<title>importar librerias</title>
			<link>http://www.forodejava.com/</link>
			<pubDate>Tue, 10 Aug 2010 13:08:31 GMT</pubDate>
			<description>Hola! 
 
Estoy trabajando en mi proyecto de final de carrera y tengo que adaptar una aplicacion JAVA para poder acceder dese la red. 
 
Por eso pensé...</description>
			<content:encoded><![CDATA[<div>Hola!<br />
<br />
Estoy trabajando en mi proyecto de final de carrera y tengo que adaptar una aplicacion JAVA para poder acceder dese la red.<br />
<br />
Por eso pensé en JSP, ya que combina JAVA con html, etc.. Y pensé que me sería mas facil.<br />
<br />
Hay alguna forma más sencilla de subir a la red una aplicacion ya hecha?<br />
<br />
Sino mi problema tambien es que en mi aplicacion JAVA tengo las siguientes librerias:<br />
<br />
<div style="margin:20px; margin-top:5px">
	<div class="smallfont" style="margin-bottom:2px">Código Java:</div>
	<div class="alt2">
		<hr />
		<code style="white-space:nowrap">
		<div dir="ltr" style="text-align:left;">
			<!-- php buffer start --><code><span style="color: #000000">
<span style="color: #0000BB">import&nbsp;gnu</span><span style="color: #007700">.</span><span style="color: #0000BB">io</span><span style="color: #007700">.</span><span style="color: #0000BB">CommPortIdentifier</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;gnu</span><span style="color: #007700">.</span><span style="color: #0000BB">io</span><span style="color: #007700">.</span><span style="color: #0000BB">PortInUseException</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;gnu</span><span style="color: #007700">.</span><span style="color: #0000BB">io</span><span style="color: #007700">.</span><span style="color: #0000BB">SerialPort</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;gnu</span><span style="color: #007700">.</span><span style="color: #0000BB">io</span><span style="color: #007700">.</span><span style="color: #0000BB">UnsupportedCommOperationException</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;java</span><span style="color: #007700">.</span><span style="color: #0000BB">awt</span><span style="color: #007700">.*;&nbsp;<br /></span><span style="color: #0000BB">import&nbsp;java</span><span style="color: #007700">.</span><span style="color: #0000BB">awt</span><span style="color: #007700">.</span><span style="color: #0000BB">event</span><span style="color: #007700">.*;&nbsp;<br /></span><span style="color: #0000BB">import&nbsp;java</span><span style="color: #007700">.</span><span style="color: #0000BB">io</span><span style="color: #007700">.</span><span style="color: #0000BB">IOException</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;java</span><span style="color: #007700">.</span><span style="color: #0000BB">io</span><span style="color: #007700">.</span><span style="color: #0000BB">InputStream</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;java</span><span style="color: #007700">.</span><span style="color: #0000BB">io</span><span style="color: #007700">.</span><span style="color: #0000BB">OutputStream</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;java</span><span style="color: #007700">.</span><span style="color: #0000BB">util</span><span style="color: #007700">.</span><span style="color: #0000BB">Enumeration</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">import&nbsp;javax</span><span style="color: #007700">.</span><span style="color: #0000BB">swing</span><span style="color: #007700">.*;&nbsp;<br /></span><span style="color: #0000BB"></span>
</span>
</code><!-- php buffer end -->
		</div>
		</code>
		<hr />
	</div>
</div>Y si las importo en un fichero .jsp (con page import) me da errores por cada import del siguiente estilo:<br />
<br />
<div style="margin:20px; margin-top:5px; ">
	<div class="smallfont" style="margin-bottom:2px">Cita:</div>
	<table cellpadding="6" cellspacing="0" border="0" width="100%">
	<tr>
		<td class="alt2">
			<hr />
			
				Ha tenido lugar un error en la línea: 6 en el fichero java generado<br />
Only a type can be imported. gnu.io.CommPortIdentifier resolves to a package<br />
<br />
Ha tenido lugar un error en la línea: 7 en el fichero java generado<br />
Only a type can be imported. gnu.io.PortInUseException resolves to a package<br />
<br />
...
			
			<hr />
		</td>
	</tr>
	</table>
</div>con eclipse puedo compilarlo y ejecutarlo bien, <br />
tengo que copiar librerias en alguna carpeta del Tomcat para que me las reconozca? <br />
A que se debe el error?<br />
<br />
Espero vuestra ayuda! <br />
Gracias de antemano ;)<br />
<br />
Oskar.</div>

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			<dc:creator>Oskar.</dc:creator>
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