RestEasy报错

java.lang.NoClassDefFoundError: javax/enterprise/context/spi/Contextual
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
at java.lang.Class.getConstructor0(Class.java:2699)
at java.lang.Class.newInstance0(Class.java:326)
at java.lang.Class.newInstance(Class.java:308)
at org.jboss.resteasy.spi.ResteasyDeployment.start(ResteasyDeployment.java:139)
at org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap.contextInitialized(ResteasyBootstrap.java:28)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.ClassNotFoundException: javax.enterprise.context.spi.Contextual
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
... 17 more

在Tomcat服务器下报错,换成Jboss服务器异常消失。

ERROR Could not instantiate appender named "warn".
在Maven项目中同时引用了slf4j和log4j,删除slf4j后不输出。


严重: Exception sending context initialized event to listener instance of class org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap
java.lang.NoSuchMethodError: javax.ws.rs.ConstrainedTo.value()Ljavax/ws/rs/RuntimeType;
at org.jboss.resteasy.spi.ResteasyProviderFactory.registerProvider(ResteasyProviderFactory.java:1371)
at org.jboss.resteasy.spi.ResteasyProviderFactory.registerProvider(ResteasyProviderFactory.java:1085)
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.registerProviders(RegisterBuiltin.java:70)
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.register(RegisterBuiltin.java:31)
at org.jboss.resteasy.spi.ResteasyDeployment.start(ResteasyDeployment.java:212)
at org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap.contextInitialized(ResteasyBootstrap.java:28)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
2013-5-7 9:50:25 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring root WebApplicationContext
2013-5-7 9:50:25 org.apache.catalina.core.StandardContext listenerStart
严重: Exception sending context initialized event to listener instance of class org.jboss.resteasy.plugins.spring.SpringContextLoaderListener
java.lang.RuntimeException: RESTeasy Provider Factory is null, do you have the ResteasyBootstrap listener configured?
at org.jboss.resteasy.plugins.spring.SpringContextLoaderSupport.customizeContext(SpringContextLoaderSupport.java:44)
at org.jboss.resteasy.plugins.spring.SpringContextLoader.customizeContext(SpringContextLoader.java:19)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:275)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
at org.jboss.resteasy.plugins.spring.SpringContextLoaderListener.contextInitialized(SpringContextLoaderListener.java:44)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
2013-5-7 9:50:25 org.apache.catalina.core.StandardContext startInternal
严重: Error listenerStart
2013-5-7 9:50:25 org.apache.catalina.core.StandardContext startInternal
严重: Context [/dci-services-web] startup failed due to previous errors
2013-5-7 9:50:25 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
2013-5-7 9:50:25 org.apache.catalina.loader.WebappClassLoader validateJarFile
信息: validateJarFile(E:\eclipsejuno\eclipse\workspaces\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\dci-services-webapp\WEB-INF\lib\geronimo-servlet_3.0_spec-1.0.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
log4j:ERROR Could not find value for key log4j.appender.warn
log4j:ERROR Could not instantiate appender named "warn".
2013-5-7 9:50:33 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring root WebApplicationContext
log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
log4j:WARN Please initialize the log4j system properly.
2013-5-7 9:50:33 org.apache.catalina.core.StandardContext listenerStart
严重: Exception sending context initialized event to listener instance of class org.jboss.resteasy.plugins.spring.SpringContextLoaderListener
java.lang.RuntimeException: RESTeasy Provider Factory is null, do you have the ResteasyBootstrap listener configured?
at org.jboss.resteasy.plugins.spring.SpringContextLoaderSupport.customizeContext(SpringContextLoaderSupport.java:44)
at org.jboss.resteasy.plugins.spring.SpringContextLoader.customizeContext(SpringContextLoader.java:19)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:275)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
at org.jboss.resteasy.plugins.spring.SpringContextLoaderListener.contextInitialized(SpringContextLoaderListener.java:44)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
2013-5-7 9:50:33 org.apache.catalina.core.StandardContext listenerStart
严重: Exception sending context initialized event to listener instance of class org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap
java.lang.NoSuchMethodError: javax.ws.rs.ConstrainedTo.value()Ljavax/ws/rs/RuntimeType;
at org.jboss.resteasy.spi.ResteasyProviderFactory.registerProvider(ResteasyProviderFactory.java:1371)
at org.jboss.resteasy.spi.ResteasyProviderFactory.registerProvider(ResteasyProviderFactory.java:1085)
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.registerProviders(RegisterBuiltin.java:70)
at org.jboss.resteasy.plugins.providers.RegisterBuiltin.register(RegisterBuiltin.java:31)
at org.jboss.resteasy.spi.ResteasyDeployment.start(ResteasyDeployment.java:212)
at org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap.contextInitialized(ResteasyBootstrap.java:28)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
2013-5-7 9:50:33 org.apache.catalina.core.StandardContext startInternal
严重: Error listenerStart
2013-5-7 9:50:33 org.apache.catalina.core.StandardContext startInternal
严重: Context [/dci-services-webapp] startup failed due to previous errors
2013-5-7 9:50:33 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
2013-5-7 9:50:33 org.apache.coyote.AbstractProtocol start

解决方案:Maven依赖包之间发生冲突,查找javax.ws.rs.RunType所在类,看是否有两个版本。
原因解释:在Maven引用包时,很多使用的是隐式引用,可能不同组件引用的包之间产生了冲突,怎么去查找隐式依赖关系呢,Eclipse中提供了一个Dependency Hierarchy。找到冲突包后,Exclude就OK了。

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