Mule部署错误

Question

我想将我的mule项目部署到mule独立服务器。 这个例外正在提出，任何人都可以帮助我。

org.mule.module.launcher.DeploymentStartException: UnsupportedClassVersionError: org/postgresql/Driver : Unsupported major.minor version 51.0 
     at org.mule.module.launcher.application.DefaultMuleApplication.start(DefaultMuleApplication.java:139) 
     at org.mule.module.launcher.artifact.ArtifactWrapper$4.execute(ArtifactWrapper.java:98) 
     at org.mule.module.launcher.artifact.ArtifactWrapper.executeWithinArtifactClassLoader(ArtifactWrapper.java:129) 
     at org.mule.module.launcher.artifact.ArtifactWrapper.start(ArtifactWrapper.java:93) 
     at org.mule.module.launcher.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:26) 
     at org.mule.module.launcher.ArchiveDeployer.guardedDeploy(ArchiveDeployer.java:269) 
     at org.mule.module.launcher.ArchiveDeployer.deployArtifact(ArchiveDeployer.java:290) 
     at org.mule.module.launcher.ArchiveDeployer.deployExplodedApp(ArchiveDeployer.java:257) 
     at org.mule.module.launcher.ArchiveDeployer.deployExplodedArtifact(ArchiveDeployer.java:110) 
     at org.mule.module.launcher.DeploymentDirectoryWatcher.deployExplodedApps(DeploymentDirectoryWatcher.java:275) 
     at org.mule.module.launcher.DeploymentDirectoryWatcher.start(DeploymentDirectoryWatcher.java:144) 
     at org.mule.module.launcher.MuleDeploymentService.start(MuleDeploymentService.java:94) 
     at org.mule.module.launcher.MuleContainer.start(MuleContainer.java:156) 
     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:616) 
     at org.mule.module.reboot.MuleContainerWrapper.start(MuleContainerWrapper.java:52) 
     at org.tanukisoftware.wrapper.WrapperManager$12.run(WrapperManager.java:2788) 
Caused by: org.mule.api.lifecycle.LifecycleException: Failed to invoke lifecycle phase "start" on 

Answer 1

不受支持的版本MAJOR.MINOR 51.0

参见：https://stackoverflow.com/a/11432195/387927

TL; DR你和一个JVM，这比1.7旧的运行骡子。时间升级！