Erro ao alterar dados no jsp (at java.lang.Integer.parseInt(Integer.java:542)

@Mirlanda_Sousa escreveu:

Olá, estou a praticamente duas semanas tentando resolver esse erro. Na tela de listagem no jsp, clico em : Alterar. Quando clico em alterar, dar o seguinte erro na tela:

url : http://localhost:53886/systemnew/alterarExtintor.jsp?extcod=3

e Exception reportmessageInternal Server ErrordescriptionThe server encountered an internal error that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: java.lang.NumberFormatException: nullroot cause java.lang.NumberFormatException: nullnote The full stack traces of the exception and its root causes are available in the GlassFish Server Open Source Edition 4.1 logs.GlassFish Server Open Source Edition 4.1

e esse erro na tela do glass fish no NETBEANS:

nformações: conectado com sucesso
Advertência: StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
java.lang.NumberFormatException: null
at java.lang.Integer.parseInt(Integer.java:542)
** at java.lang.Integer.parseInt(Integer.java:615)**
** at org.apache.jsp.alterarExtintor_jsp.jspService(alterarExtintorjsp.java:73)**
** at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)**
** at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)**
** at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)**
** at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)**
** at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)**
** at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)**
** at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)**
** at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)**
** at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)**
** at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)**
** at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)**
** at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)**
** at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)**
** at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:415)**
** at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:282)**
** at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)**
** at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)**
** at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:201)**
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:175)
** at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)**
**** at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(Execut**orResolver.java:119)**
** at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284)**
** at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201)**
** at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133)**
** at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112)**
** at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)**
** at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:561)**
** at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)**
** at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)**
** at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)**
** at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)**
** at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565)**
** at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545)**
** at java.lang.Thread.run(Thread.java:745)**

Minha tela alterar no jsp , está assim:

**<title>Cad-Extintor</title>**

** <%**
** ExtintorDao extintorDao = new ExtintorDao();**
** Extintor extintorBean = new Extintor();**
** int i = Integer.parseInt((String)request.getAttribute("id"));**
** extintorBean = extintorDao.consultarPorId(i);**

---

%>
<form role="form" method="POST" action="ControlAlterarExtintor"

** <div class="col-lg-9"
**

**
** **

**

**
**

**
**

**
** Identificador:**

** **

**

**
**

**

**

**
** Valor da Recarga:**
*

**

       </div>
   <div class="form-group">**

** Valor Aprox.:**
** **
**

**
**

**
**

**
** Peso:**
** **
** **
**   **
** L**
** **
** **
** Kg**
** **

**

**

**

**
** Tipo : **
** **
** PQ**
** **
** **
** CO2**
** **
** **
** AG**
** **
**

**

**

**
** Data de Val.**
** **
** **
**

**

**

**
** <labelQntd:</label
** <input class="form-controlcadqtde" name="txtqntd" placeholder=" quantidade" value="<%=extintorBean.getExtqntd()%</p><p>** <p class="help-block"</p
** </div

** <div class="form-group"
** Descrição:</label
** <input class="form-controlcadqtde" name="txtdescricao" id="txtnome" placeholder="descrever produto"
** <textarea class="form-control" name="txtareadescricao" rows="3" value="<%=extintorBean.getExtdescricao()%>"
** </textarea
** <p class="help-block"</p
** </div

** button type="submit" class="btn btn-default">Enviar</button
** button type="reset" class="btn btn-default">Limpar</button
** </div
** </form

Item da lista

****texto em negrito

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Participantes: 1

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