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Samebug tips

  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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org.postgresql.Driver
java.lang.ClassNotFoundException: org.postgresql.Driver	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 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:169)	at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1130)	at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)	at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:92)	at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:113)	at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2863)	at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2859)	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1870)	at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:906)	at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:57)	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63)	at org.openxava.jpa.XPersistence.getEntityManagerFactory(XPersistence.java:182)	at org.openxava.jpa.XPersistence.createManager(XPersistence.java:108)	at org.openxava.annotations.parse.AnnotatedClassParser.obtainManagedClassNamesUsingJPA(AnnotatedClassParser.java:2533)	at org.openxava.annotations.parse.AnnotatedClassParser.getManagedClassNames(AnnotatedClassParser.java:2449)	at org.openxava.annotations.parse.AnnotatedClassParser.getClassNameFor(AnnotatedClassParser.java:2401)	at org.openxava.annotations.parse.AnnotatedClassParser.parse(AnnotatedClassParser.java:66)	at org.openxava.component.ComponentParser.parseAnnotatedClass(ComponentParser.java:47)	at org.openxava.component.ComponentParser.parse(ComponentParser.java:36)	at org.openxava.component.MetaComponent.get(MetaComponent.java:60)	at org.openxava.component.MetaComponent.exists(MetaComponent.java:75)	at org.openxava.application.meta.MetaApplication.existsModel(MetaApplication.java:151)	at org.openxava.application.meta.MetaApplication.getMetaModule(MetaApplication.java:140)	at org.openxava.controller.ModuleManager.getMetaModule(ModuleManager.java:1084)	at org.openxava.controller.ModuleManager.setupModuleControllers(ModuleManager.java:270)	at org.openxava.controller.ModuleManager.setModuleName(ModuleManager.java:1057)	at org.apache.jsp.xava.module_jsp._jspService(module_jsp.java:166)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)	at org.openxava.web.servlets.ModuleServlet.doGet(ModuleServlet.java:24)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)	at java.lang.Thread.run(Thread.java:662)