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  • eclipse中基于maven构建的web项目pom.xml中指定的jar包无法发布到tomcat中

    eclipse运行maven web项目报错:

    信息: Starting Servlet Engine: Apache Tomcat/7.0.57
    一月 07, 2015 11:50:44 下午 org.apache.catalina.core.ContainerBase startInternal
    严重: A child container failed during start
    java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/minisns]]
    	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
    	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123)
    	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:816)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
    	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
    	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    	at java.lang.Thread.run(Thread.java:744)
    Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/minisns]]
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
    	... 6 more
    Caused by: java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContext
    	at java.lang.Class.getDeclaredFields0(Native Method)
    	at java.lang.Class.privateGetDeclaredFields(Class.java:2397)
    	at java.lang.Class.getDeclaredFields(Class.java:1806)
    	at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:106)
    	at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:270)
    	at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:139)
    	at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:65)
    	at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:415)
    	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:892)
    	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:386)
    	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
    	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
    	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5380)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    	... 6 more
    Caused by: java.lang.ClassNotFoundException: org.springframework.context.ApplicationContext
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
    	... 20 more
    
    一月 07, 2015 11:50:44 下午 org.apache.catalina.core.ContainerBase startInternal
    严重: A child container failed during start
    java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
    	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
    	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123)
    	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:739)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    	at org.apache.catalina.startup.Catalina.start(Catalina.java:689)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:606)
    	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:321)
    	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:455)
    Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
    	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
    	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
    	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    	at java.lang.Thread.run(Thread.java:744)
    Caused by: org.apache.catalina.LifecycleException: A child container failed during start
    	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1131)
    	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:816)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    	... 6 more
    

     原因是:tomcat对应项目的lib目录中没有pom.xml中指定的jar,但是有通过普通方法导入的jar包,解决方法如下:

    1, 右键项目,选择 Properties ,然后选中 Deployment Assembly :

    2. 点击 Add...

    然后选中: Java Build Path Entries ,在点击 Next>

    选中 Maven Dependencies ,然后 Finish , Ok 搞定。

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  • 原文地址:https://www.cnblogs.com/digdeep/p/4209743.html
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