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POCross-form validation issue tapestry
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  1. POCross-form validation issue tapestry
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    copied!<p>I really new in Java....i work some research in java using tool Tapestry framework... I have some problem with exception when i calling @Component "Form"...tapestry throws me exception :</p> <p><strong>Embedded component(s) loginForm are defined within component class com.fit.pages.Login (or a super-class of Login), but are not present in the component template (classpath:com/fit/pages/Login.tml).</strong></p> <p>context eventType</p> <p>activate</p> <p>org.apache.tapestry5.ioc.internal.OperationException</p> <p><strong>Embedded component(s) loginForm are defined within component class com.fit.pages.Login (or a super-class of Login), but are not present in the component template (classpath:com/fit/pages/Login.tml).</strong></p> <p>trace</p> <pre><code> **Triggering event 'activate' on Index Constructing instance of page class com.fit.pages.Login Creating ComponentAssembler for com.fit.pages.Login** </code></pre> <p>my code looks something like this </p> <p>public class Login {</p> <pre><code>private String userName; @Property private String password; @Inject @Property private Users users; @SessionState private User user; @Component(id="loginForm") private Form loginForm; @Inject private Messages messages; public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } void onValidate(){ User authenticatedUser = Security.authenticate(userName, password, users); if(authenticatedUser != null){ user = authenticatedUser; }else{ loginForm.recordError(messages.get("authentication-failed")); } } @OnEvent Object onSubmit(){ System.out.println("form was submited"); Class nextPage = null; User authenticatedUser = Security.authenticate(userName, password, users); if(authenticatedUser != null){ user = authenticatedUser; nextPage = Index.class; } else { nextPage = Registration.class; } return nextPage; } </code></pre> <p>and code in login.tml :</p> <p>Please log in:</p> <pre><code> &lt;t:form id="loginForm"&gt; &lt;table&gt; &lt;tr&gt; &lt;td&gt; &lt;t:label t:for="userName"/&gt;: &lt;/td&gt; &lt;td&gt; &lt;input type="text" t:type="textfield" t:id="userName" t:value="userName" t:validate="required"/&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; &lt;t:label t:for="password"/&gt;: &lt;/td&gt; &lt;td&gt; &lt;input type="text" t:type="passwordfield" t:id="password" t:value="password" t:validate="required"/&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td colspan="2" align="center"&gt; &lt;input type="submit" value="Log In"/&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/t:form&gt; </code></pre>
 

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