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  1. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \
         hello_world_from_pyspark.py {file location}
    
    
  2. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

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java.lang.ClassNotFoundException: weblogic.jdbc.wrapper.JTSConnection	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)	at sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:249)	at weblogic.utils.wrapper.WrapperFactory.getWrapperClass(WrapperFactory.java:219)	at weblogic.utils.wrapper.WrapperFactory.getWrapperClass(WrapperFactory.java:190)	at weblogic.jdbc.wrapper.JDBCWrapperFactory$1.run(JDBCWrapperFactory.java:164)	at java.security.AccessController.doPrivileged(Native Method)	at weblogic.jdbc.wrapper.JDBCWrapperFactory.getWrapper(JDBCWrapperFactory.java:161)	at weblogic.jdbc.jts.Driver.newConnection(Driver.java:974)	at weblogic.jdbc.jts.Driver.createLocalConnection(Driver.java:340)	at weblogic.jdbc.jts.Driver.connect(Driver.java:175)	at weblogic.jdbc.common.internal.RmiDataSource.getConnectionInternal(RmiDataSource.java:553)	at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.java:518)	at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.java:511)	at weblogic.ejb.container.cmp.rdbms.RDBMSPersistenceManager.getConnection(RDBMSPersistenceManager.java:4050)	at weblogic.ejb.container.cmp.rdbms.RDBMSPersistenceManager.verifyDatabaseType(RDBMSPersistenceManager.java:4272)	at weblogic.ejb.container.cmp.rdbms.RDBMSPersistenceManager.setup(RDBMSPersistenceManager.java:245)	at weblogic.ejb.container.manager.BaseEntityManager.setupPM(BaseEntityManager.java:299)	at weblogic.ejb.container.manager.BaseEntityManager.setup(BaseEntityManager.java:252)	at weblogic.ejb.container.manager.DBManager.setup(DBManager.java:154)	at weblogic.ejb.container.deployer.ClientDrivenBeanInfoImpl.initCacheManager(ClientDrivenBeanInfoImpl.java:1018)	at weblogic.ejb.container.deployer.EntityBeanInfoImpl.initCacheManager(EntityBeanInfoImpl.java:788)	at weblogic.ejb.container.deployer.ClientDrivenBeanInfoImpl.activate(ClientDrivenBeanInfoImpl.java:961)	at weblogic.ejb.container.deployer.EntityBeanInfoImpl.activate(EntityBeanInfoImpl.java:223)	at weblogic.ejb.container.deployer.EJBDeployer.activate(EJBDeployer.java:963)	at weblogic.ejb.container.deployer.EJBModule.activate(EJBModule.java:470)	at weblogic.application.internal.flow.ModuleStateDriver$2.next(ModuleStateDriver.java:192)	at weblogic.application.internal.flow.ModuleStateDriver$2.next(ModuleStateDriver.java:187)	at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)	at weblogic.application.internal.flow.ModuleStateDriver.activate(ModuleStateDriver.java:58)	at weblogic.application.internal.flow.ScopedModuleDriver.activate(ScopedModuleDriver.java:206)	at weblogic.application.internal.ExtensibleModuleWrapper.activate(ExtensibleModuleWrapper.java:97)	at weblogic.application.internal.flow.ModuleListenerInvoker.activate(ModuleListenerInvoker.java:114)	at weblogic.application.internal.flow.ModuleStateDriver$2.next(ModuleStateDriver.java:192)	at weblogic.application.internal.flow.ModuleStateDriver$2.next(ModuleStateDriver.java:187)	at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)	at weblogic.application.internal.flow.ModuleStateDriver.activate(ModuleStateDriver.java:58)	at weblogic.application.internal.flow.DeploymentCallbackFlow.activate(DeploymentCallbackFlow.java:145)	at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:729)	at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)	at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:258)	at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:61)	at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:165)	at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79)	at weblogic.deploy.internal.targetserver.BasicDeployment.activate(BasicDeployment.java:192)	at weblogic.deploy.internal.targetserver.BasicDeployment.activateFromServerLifecycle(BasicDeployment.java:369)	at weblogic.management.deploy.internal.DeploymentAdapter$1.doActivate(DeploymentAdapter.java:51)	at weblogic.management.deploy.internal.DeploymentAdapter.activate(DeploymentAdapter.java:200)	at weblogic.management.deploy.internal.AppTransition$2.transitionApp(AppTransition.java:30)	at weblogic.management.deploy.internal.ConfiguredDeployments.transitionApps(ConfiguredDeployments.java:261)	at weblogic.management.deploy.internal.ConfiguredDeployments.transitionApps(ConfiguredDeployments.java:246)	at weblogic.management.deploy.internal.ConfiguredDeployments.activate(ConfiguredDeployments.java:169)	at weblogic.management.deploy.internal.ConfiguredDeployments.deploy(ConfiguredDeployments.java:123)	at weblogic.management.deploy.internal.DeploymentServerService.resume(DeploymentServerService.java:186)	at weblogic.management.deploy.internal.DeploymentServerService.start(DeploymentServerService.java:94)	at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)