[HTTP:101216]Servlet: "DispatcherServlet" failed to preload on startup in Web application: "Ldzc.war". org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.neusoft.biz.Impl.BookBizImpl] for bean with name 'bookBizImpl' defined in URL [zip:/opt/web/bea/user_projects/domains/gzlm_domain20140919/servers/AdminServer/tmp/_WL_user/Ldzc/uw4chg/war/WEB-INF/lib/_wl_cls_gen.jar!/com/neusoft/biz/Impl/BookBizImpl.class]; nested exception is java.lang.ClassNotFoundException: Class bytes found but defineClass()failed for: 'com.neusoft.biz.Impl.BookBizImpl' at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1357) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:628) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:597) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1450) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:980) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:756) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:861) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682) at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553) at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494) at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) at javax.servlet.GenericServlet.init(GenericServlet.java:241) at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:283) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.StubSecurityHelper.createServlet(StubSecurityHelper.java:64) at weblogic.servlet.internal.StubLifecycleHelper.createOneInstance(StubLifecycleHelper.java:58) at weblogic.servlet.internal.StubLifecycleHelper.(StubLifecycleHelper.java:48) at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:539) at weblogic.servlet.internal.WebAppServletContext.preloadServlet(WebAppServletContext.java:1976) at weblogic.servlet.internal.WebAppServletContext.loadServletsOnStartup(WebAppServletContext.java:1950) at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1869) at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3126) at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1512) at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:486) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:200) at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:247) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:27) at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:1267) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41) at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:409) at weblogic.application.internal.SingleModuleDeployment.activate(SingleModuleDeployment.java:43) at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161) at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844) at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1253) at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:163) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:68) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) at weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Caused by: java.lang.ClassNotFoundException: Class bytes found but defineClass()failed for: 'com.neusoft.biz.Impl.BookBizImpl' at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:259) at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:177) at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:37) at org.springframework.util.ClassUtils.forName(ClassUtils.java:250) at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:394) at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1402) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1349) ... 56 more Caused by: java.lang.UnsupportedClassVersionError: com/neusoft/biz/Impl/BookBizImpl : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) at java.lang.ClassLoader.defineClass(ClassLoader.java:616) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at weblogic.utils.classloaders.GenericClassLoader.defineClass(GenericClassLoader.java:328) at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:285) at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:253) ... 65 more

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消息图标 - 错误 Class bytes found but defineClass()failed for: 'com.neusoft.biz.Impl.BookBizImpl'

部署报错

Caused by: java.lang.ClassNotFoundException: Class bytes found but defineClass()failed for

java.lang.UnsupportedClassVersionError: com/neusoft/biz/Impl/BookBizImpl : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at

启动报错

java.lang.UnsupportedClassVersionError: com/neusoft/biz/Impl/BookBizImpl : Unsupported major.minor version 51.0

百度或者Google都是提示jdk版本原因，进过几天的折腾最终解决了(中间百度google试过很多方法比如缺少jar包 缺少weblogic.xml配置等等)，自己电脑安装默认jdk1.8，最后把项目拷到同事电脑上用他的eclipse环境 weblogic  服务器默认安装jdk1.6的 最后打包部署成功。

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