java.lang.InstantiationException

Cannot activate named servlet: helloServlet Unable to dereference: helloServlet : java.lang.IllegalArgumentException: Null schema supplied

Solutions on the web205

  • via Oracle Community by 3004, 1 year ago
    Cannot activate named servlet: helloServlet Unable to dereference: helloServlet : java.lang.IllegalArgumentException: Null schema supplied
  • MBeanException creating JDBC connection pool: Exception thrown in RequiredModelMBean while trying to invoke operation createJDBCConnectionPool : Cannot create connection pool. A connection pool named 'bam_connection_pool' already exists.
  • via Oracle Community by 447532, 2 weeks ago
    The application named, EFGH, could not start due to an error. oracle.adfinternal.view.faces.lifecycle.LifecycleFactoryImpl
  • Stack trace

    • java.lang.InstantiationException: Cannot activate named servlet: helloServlet Unable to dereference: helloServlet : java.lang.IllegalArgumentException: Null schema supplied at oracle.aurora.mts.ServletContextImpl.getNamedServlet(ServletContextImpl.java) at oracle.aurora.mts.http.HttpServletContext.getNamedServlet(HttpServletContext.java) at oracle.aurora.mts.http.HttpServletContext.getPathServlet(HttpServletContext.java) at oracle.aurora.mts.http.HttpServletContext.resolveServlet(HttpServletContext.java) at oracle.aurora.mts.http.HttpServletContext.resolveServlet(HttpServletContext.java) at oracle.aurora.mts.http.HttpServletContext.resolveServlet(HttpServletContext.java) at oracle.aurora.mts.ProcessingState.resolveServlet(ProcessingState.java) at oracle.aurora.mts.ProcessingState.resolve(ProcessingState.java) at oracle.aurora.mts.EndpointRunner.service(EndpointRunner.java) at oracle.aurora.mts.rdbms.MtsEndpointRunner.run(MtsEndpointRunner.java) at oracle.aurora.mts.rdbms.ServiceDriver._service(ServiceDriver.java) at oracle.aurora.mts.rdbms.ServiceDriver.newConnection(ServiceDriver.java) at oracle.aurora.net.VirtualCircuit.processRequest(VirtualCircuit.java) at oracle.aurora.net.Presentation.handleRequest(Presentation.java)

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