我当前正在使用JSF 2.2.7和Icefaces 4.0.0版本。我的项目在Tomcat 7上运行,但在尝试使其在Tomcat 8上运行时遇到了麻烦。我遇到了空指针异常,因为icefaces代码中的方法似乎正在检查所用jsf的当前版本。这总是返回null,我似乎没有设置jsf的正确实现。堆栈跟踪如下:
org.icefaces.impl.context.DOMPartialViewContext.renderState(DOMPartialViewContext.java:743)处org.icefaces.util.EnvUtils.isJSF22(EnvUtils.java:976)处的java.lang.NullPointerException位于javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:1004)处的javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:219)处的DOMPartialViewContext.processPartial(DOMPartialViewContext.java:301) com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:430)上的.UIComponent.encodeAll(UIComponent.java:1856)在com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java :133),位于com.sun.faces.lifecycle.RenderResponsePhase处的javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)。在com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)在com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)处执行(RenderResponsePhase.java:120) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)的.webapp.FacesServlet.service(FacesServlet.java:647)org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) )在org.apache.catalina.core的org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)的org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)处。 org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.com上的ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)在org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)在org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve。java:106)位于org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)位于org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)位于org.apache.catalina.valves org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)处的org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617)处的.ErrorReportValve.invoke(ErrorReportValve.java:79) org.apache.coyote.http11上的org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)在org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process( org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun(NioEndpoint.java:1527)的org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor的AbstractProtocol.java:668)。在org.apache.tomcat处在java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)处运行(NioEndpoint.java:1484)在java.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:615)处运行.util.threads.TaskThread $ WrappingRunnable.run(TaskThread.java:61)at java.lang.Thread.run(Thread.java:744)2015年8月4日上午7:50:52 com.sun.faces.application。 view.FaceletViewHandlingStrategy handleRenderException严重:错误呈现视图org.icefaces.impl.context.DOMPartialViewContext上的View [/pages/Ports.xhtml] org.icefaces.util.EnvUtils.isJSF22(EnvUtils.java:976)上的java.lang.NullPointerException。 org.icefaces.impl.context.DOMPartialViewContext.processPartial(DOMPartialViewContext.java:301)的renderState(DOMPartialViewContext.java:743)在javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:219)在javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:1004)在javax.faces.component.UIComponent.encodeAll(UIComponent.java:1856)在com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView (FaceletViewHandlingStrategy.java:430)在com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:133)在javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)在com.sun。在com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)在com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:上的faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) 219),位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)的javax.faces.webapp.FacesServlet.service(FacesServlet.java:647)。org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)处的ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)在org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)在org.apache.catalina.core.StandardWrapperVal.invoke(StandardWrapperValve.java:219)在org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:106)在org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)在org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)在org.apache。在org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617)处的catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)在org。org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)上的apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)在org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor。的org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process(AbstractProtocol.java:668)上的java:1091)org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun(NioEndpoint.java:1527)上的org.apache.tomcat.util.net .tomcat.util.net.NioEndpoint $ SocketProcessor.run(NioEndpoint.java:1484)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)2015年8月4日7:50 :上午52点com.sun.faces。context.AjaxExceptionHandlerImpl handlePartialResponseError严重:org.icefaces.impl.context.DOMPartialViewContext.renderState(DOMPartialViewContext.java:743)上org.icefaces.impl.context.DOMPartialViewContext.renderState(DOMPartialViewContext.java:743)上的org.icefaces.util.EnvUtils.isJSF22(EnvUtils.java:976)处的java.lang.NullPointerException在javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:219)处的icefaces.impl.context.DOMPartialViewContext.processPartial(DOMPartialViewContext.java:301)在javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:1004)在com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:430)的com.sun.faces.application.view.MultiViewHandler的javax.faces.component.UIComponent.encodeAll(UIComponent.java:1856)处.renderView(MultiViewHandler.java:133),位于javax.faces.application.ViewHandlerWrapper。com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)的com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)的renderView(ViewHandlerWrapper.java:337) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)的javax.faces.webapp.FacesServlet.service(FacesServlet.java:647)的.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219) )在org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)在org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)在org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)处。 org.apache.catalina.core上的ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)在org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve。java:219)位于org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)位于org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)位于org.apache.catalina.core org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)处的org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617)处的.StandardHostValve.invoke(StandardHostValve.java:142) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)上的org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)在org.apache.coyote.http11.AbstractHttp11Processor.process( org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor上的AbstractHttp11Processor.java:1091),位于org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process(AbstractProtocol.java:668)。java.org.apache.tomcat.util.net上的doRun(NioEndpoint.java:1527),java.org.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)上的org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.run(NioEndpoint.java:1484) org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run(TaskThread.java:61)的.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:615)在java.lang.Thread.run(Thread .java:744)
经过仔细检查,似乎getImplementationVersion()方法返回null:
/**
* Determine whether the current JSF implementation is version 2.2
* @return true if JSF implementation is 2.2
*/
public static boolean isJSF22() {
return FacesContext.class.getPackage().getImplementationVersion().startsWith("2.2");
}
这是我的带有IceFaces和JSF依赖项的pom.xml。我不确定如何设置我的JSF实现。
<?xml version="1.0"?>
<project
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<groupId>oag.com.reference</groupId>
<artifactId>web</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>ReferenceDataWeb </name>
<packaging>war</packaging>
<description>Reference data web project.</description>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<sonar.core.codeCoveragePlugin>jacoco</sonar.core.codeCoveragePlugin>
<sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.6</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.7.0.201403182114</version>
<executions>
<execution>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
</executions>
<configuration>
<destFile>${sonar.jacoco.reportPath}</destFile>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.icefaces</groupId>
<artifactId>icefaces</artifactId>
<version>4.0.0</version>
</dependency>
<dependency>
<groupId>org.icefaces</groupId>
<artifactId>icefaces-ace</artifactId>
<version>4.0.0</version>
</dependency>
<dependency>
<groupId>org.icepush</groupId>
<artifactId>icepush</artifactId>
<version>4.0.0</version>
</dependency>
<dependency>
<groupId>org.icefaces</groupId>
<artifactId>icefaces-compat</artifactId>
<version>3.3.0</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>com.oag.reference</groupId>
<artifactId>business</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.7</version>
</dependency>
<dependency>
<groupId>org.icefaces.ace-themes</groupId>
<artifactId>ace-cupertino</artifactId>
<version>4.0.0</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-api</artifactId>
<version>2.2.7</version>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>2.2.7</version>
</dependency>
</dependencies>
</dependencyManagement>
</project>
这是在我的war文件WEB-INF / lib文件夹中创建的jar文件的完整列表:
ace-cupertino-4.0.0.jar
激活-1.1.jar业务-0.0.1 -SNAPSHOT.jar
common-0.0.1-SNAPSHOT.jar commons-beanutils-1.8.0.jar
commons-logging-1.1.jar数据库- 0.0.1-SNAPSHOT.jar
db2jcc4-1.0.0.jar
hamcrest-core-1.1.jar icefaces-4.0.0.jar icefaces-ace-4.0.0.jar
icepush-4.0.0.jar javax.faces-2.2。 7.jar jstl
-1.2.jar junit-4.9.jar
邮件-1.4.1.jar mockito-all-1.9.5.jar
poi-3.7.jar
查看javax.faces-2.2.7.jar和META-INF / MANIFEST.MF的内部内容,我可以看到实现版本设置为2.2.7。所以我不知道在运行时被icefaces代码引用时实现版本如何为null。
有人可以帮忙吗?
谢谢-有关更多信息,请访问:http : //www.icesoft.org/JForum/posts/list/22974.page#80376
这很可能是由于Mojarra 2.2.9中已根据问题3341修复了错误的上下文类加载器的错误所致。
至少升级到Mojarra 2.2.9(当前最新为2.2.12)应该可以解决您的问题。
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