Oracle Java EE 7 JSF示例不使用Tomcat
我正试图从JavaEE7SDK下载中获得使用Tomcat时可能找到的最简单的JSF示例:javaee教程/examples/web/JSF/hello1示例。这是用于向您介绍JSF的示例。(完全公开-我是JSF新手,但不是Java或Tomcat。)所有文件都直接来自JavaEE SDK示例-当然,Oracle希望您使用Glassfish和Netbeans,而不是Tomcat和IntelliJ,因此我尝试添加必要的依赖项,以使其编译和运行 到目前为止,它编译和运行良好,但当我按下表单上的“提交”按钮时,而不是另一个显示“Hello,yournamehere!”的页面,我会看到一个错误页面:Oracle Java EE 7 JSF示例不使用Tomcat,jsf,tomcat,jsf-2,Jsf,Tomcat,Jsf 2,我正试图从JavaEE7SDK下载中获得使用Tomcat时可能找到的最简单的JSF示例:javaee教程/examples/web/JSF/hello1示例。这是用于向您介绍JSF的示例。(完全公开-我是JSF新手,但不是Java或Tomcat。)所有文件都直接来自JavaEE SDK示例-当然,Oracle希望您使用Glassfish和Netbeans,而不是Tomcat和IntelliJ,因此我尝试添加必要的依赖项,以使其编译和运行 到目前为止,它编译和运行良好,但当我按下表单上的“提交”按
An Error Occurred:
/index.xhtml @20,43 value="#{hello.name}": Target Unreachable, identifier 'hello' resolved to null
- Stack Trace
javax.el.PropertyNotFoundException: /index.xhtml @20,43 value="#{hello.name}": Target Unreachable, identifier 'hello' resolved to null
at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:100)
at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:95)
at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1046)
at javax.faces.component.UIInput.validate(UIInput.java:976)
at javax.faces.component.UIInput.executeValidate(UIInput.java:1249)
at javax.faces.component.UIInput.processValidators(UIInput.java:712)
at javax.faces.component.UIForm.processValidators(UIForm.java:253)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1258)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1258)
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1195)
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2440)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2429)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:744)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, identifier 'hello' resolved to null
at org.apache.el.parser.AstValue.getTarget(AstValue.java:97)
at org.apache.el.parser.AstValue.getType(AstValue.java:81)
at org.apache.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:171)
at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:98)
... 34 more
- Component Tree
<UIViewRoot id="j_id1" inView="true" locale="en_US" renderKitId="HTML_BASIC" rendered="true" transient="false" viewId="/index.xhtml">
javax_faces_location_HEAD
<ComponentResourceContainer id="javax_faces_location_HEAD" inView="true" rendered="true" transient="false">
<UIOutput id="__rf_skinning_resource" inView="true" rendered="true" transient="false"/>
</ComponentResourceContainer>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<UIOutput id="j_idt2" inView="true" rendered="true" transient="false">
<title>Facelets Hello Greeting</title>
</UIOutput>
<HtmlBody id="j_idt4" inView="true" rendered="true" transient="false">
<HtmlForm enctype="application/x-www-form-urlencoded" id="j_idt5" inView="true" prependId="true" rendered="true" submitted="true" transient="false">
<HtmlGraphicImage alt="Duke waving his hand" id="j_idt6" inView="true" ismap="false" rendered="true" transient="false" url="/hello1/javax.faces.resource/duke.waving.gif.xhtml?ln=images" value="/hello1/javax.faces.resource/duke.waving.gif.xhtml?ln=images"/>
<h2>Hello, my name is Duke. What's yours?</h2>
<HtmlInputText disabled="false" id="username" immediate="false" inView="true" localValueSet="false" maxlength="25" readonly="false" rendered="true" required="true" requiredMessage="Error: A name is required." size="-2147483648" submittedValue="yournamehere" title="My name is: " transient="false" valid="true"/>
<p/>
<HtmlCommandButton action="response" actionExpression="response" disabled="false" id="submit" immediate="false" inView="true" readonly="false" rendered="true" transient="false" type="submit" value="Submit"/>
<HtmlCommandButton disabled="false" id="reset" immediate="false" inView="true" readonly="false" rendered="true" transient="false" type="reset" value="Reset"/>
</HtmlForm>
<div class="messagecolor">
<HtmlMessages errorStyle="color: #d20005" globalOnly="false" id="j_idt10" inView="true" infoStyle="color: blue" layout="list" redisplay="true" rendered="true" showDetail="false" showSummary="true" tooltip="false" transient="false"/>
</div>
</HtmlBody>
</html>
</UIViewRoot>
- Scoped Variables
Request Parameters
Name Value
j_idt5 j_idt5
j_idt5:submit Submit
j_idt5:username yournamehere
View Attributes
Name Value
None
Request Attributes
Name Value
None
Flash Attributes
Name Value
None
Session Attributes
Name Value
None
Application Attributes
Name Value
csfcff [ ]
Mar 21, 2015 11:15:56 AM - Generated by Mojarra/Facelets
发生错误:
/index.xhtml@20,43 value=“#{hello.name}”:无法访问目标,标识符“hello”解析为null
-堆栈跟踪
javax.el.PropertyNotFoundException:/index.xhtml@20,43 value=“#{hello.name}”:无法访问目标,标识符“hello”解析为null
位于com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:100)
位于com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:95)
位于javax.faces.component.UIInput.getConvertedValue(UIInput.java:1046)
位于javax.faces.component.UIInput.validate(UIInput.java:976)
位于javax.faces.component.UIInput.executeValidate(UIInput.java:1249)
位于javax.faces.component.UIInput.processValidators(UIInput.java:712)
位于javax.faces.component.UIForm.processValidators(UIForm.java:253)
位于javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1258)
位于javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1258)
位于javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1195)
在com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
位于com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
在com.sun.faces.lifecycle.LifecycleImpl.execute上(LifecycleImpl.java:198)
位于javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
位于org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
位于org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
位于org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
位于org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
位于org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
位于org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
位于org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
位于org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
位于org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
位于org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
位于org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
位于org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
位于org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
位于org.apache.tomcat.util.net.aprendop$SocketProcessor.doRun(aprendop.java:2440)
位于org.apache.tomcat.util.net.aprendop$SocketProcessor.run(aprendop.java:2429)
位于java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
位于java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
位于org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
运行(Thread.java:744)
原因:javax.el.PropertyNotFoundException:无法访问目标,标识符“hello”解析为null
位于org.apache.el.parser.AstValue.getTarget(AstValue.java:97)
位于org.apache.el.parser.AstValue.getType(AstValue.java:81)
位于org.apache.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:171)
位于com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:98)
... 34多
-组件树
javax_面_位置_头
Facelets问候语
你好,我叫杜克。你的是什么?
-作用域变量
请求参数
名称值
j_idt5 j_idt5
j_idt5:提交
j_idt5:用户名yourname here
视图属性
名称值
没有一个
请求属性
名称值
没有一个
闪光属性
名称值
没有一个
会话属性
名称值
没有一个
应用程序属性
名称值
csfcff[]
2015年3月21日上午11:15:56-由Mojarra/Facelets生成
我尝试过清理目标目录,重建项目,用谷歌搜索这个错误——运气不好。这个错误看起来非常稳健——我所做的一切都不会改变它
很明显,在某个地方存在着脱节,但我不知道它会是什么,如果没有一个有效的例子来比较,很难找出它
这是我修改的POM文件,其他都是库存,来自Oracle示例:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.glassfish.javaeetutorial</groupId>
<artifactId>hello1</artifactId>
<version>7.0.5</version>
<packaging>war</packaging>
<name>${project.artifactId}</name>
<properties>
<javaee.api.version>7.0</javaee.api.version>
<jsfVersion>2.2.6</jsfVersion>
<tomcat.version>7.0.55</tomcat.version>
</properties>
<dependencies>
<!-- ********************* JavaEE stuff ************************* -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>${javaee.api.version}</version>
<scope>provided</scope>
</dependency>
<!-- ********************** JSF Dependencies ************************************* -->
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>${jsfVersion}</version>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-api</artifactId>
<version>${jsfVersion}</version>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>${jsfVersion}</version>
</dependency>
<!-- **************************** RichFaces Dependencies *********************** -->
<dependency>
<groupId>org.richfaces</groupId>
<artifactId>richfaces</artifactId>
<version>4.5.3.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.1.2.Final</version>
</dependency>
<!-- ************************** Tomcat dependency to get web.xml stuff to resolve in Intellij -->
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-catalina</artifactId>
<version>7.0.55</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>
4.0.0
org.glassfish.javaeetutorial
你好
7.0.5
战争
${project.artifactId}
7
2.2.6
7.0.55
爪哇
JavaEEAPI
${javaee.api.version}
假如
com.sun.faces
jsf impl
${jsfVersion}
com.sun.faces
JSFAPI
${jsfVersion}
com.sun.faces
jsf impl
${jsfVersion}
org.richfaces
富人
import javax.faces.bean.ManagedBean
import javax.faces.bean.RequestScoped
@ManagedBean
@RequestScoped
public class Hello {
private String name;
public Hello() {
}
public String getName() {
return name;
}
public void setName(String user_name) {
this.name = user_name;
}
}