java.lang.NullPointerException: null

Stack Overflow | Megha kaur | 4 months ago
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    JAXB null pointer exception while marshalling

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    java.lang.NullPointerException: null
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    java.lang.NullPointerException: null
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    Error loading model properties in JPA on play 2.0.3

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    Why lift can't find my "db.properties"

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    java.lang.NullPointerException: null

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    Root Cause Analysis

    1. java.lang.NullPointerException

      null

      at com.bm.scm.util.Processor.objectToXML()
    2. com.bm.scm
      WorflowController.saveWorkflow
      1. com.bm.scm.util.Processor.objectToXML(Processor.java:32)[classes/:na]
      2. com.bm.scm.controller.WorflowController.saveWorkflow(WorflowController.java:89)[classes/:na]
      2 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.8.0_40]
      2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)[na:1.8.0_40]
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)[na:1.8.0_40]
      4. java.lang.reflect.Method.invoke(Unknown Source)[na:1.8.0_40]
      4 frames
    4. Spring
      InvocableHandlerMethod.invokeForRequest
      1. org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)[spring-web-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      2. org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)[spring-web-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      2 frames
    5. Spring MVC
      FrameworkServlet.doPost
      1. org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      2. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:832)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      3. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:743)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      4. org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      5. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:961)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      6. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      7. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      8. org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      8 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:648)[servlet-api.jar:na]
      1 frame
    7. Spring MVC
      FrameworkServlet.service
      1. org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)[spring-webmvc-4.2.6.RELEASE.jar:4.2.6.RELEASE]
      1 frame
    8. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)[servlet-api.jar:na]
      1 frame
    9. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)[catalina.jar:8.0.35]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[catalina.jar:8.0.35]
      2 frames
    10. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)[tomcat-websocket.jar:8.0.35]
      1 frame
    11. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[catalina.jar:8.0.35]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[catalina.jar:8.0.35]
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)[catalina.jar:8.0.35]
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)[catalina.jar:8.0.35]
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)[catalina.jar:8.0.35]
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)[catalina.jar:8.0.35]
      7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)[catalina.jar:8.0.35]
      8. org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)[catalina.jar:8.0.35]
      9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)[catalina.jar:8.0.35]
      10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)[catalina.jar:8.0.35]
      10 frames
    12. Grizzly HTTP
      NioEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)[tomcat-coyote.jar:8.0.35]
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)[tomcat-coyote.jar:8.0.35]
      3. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)[tomcat-coyote.jar:8.0.35]
      4. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)[tomcat-coyote.jar:8.0.35]
      4 frames
    13. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)[na:1.8.0_40]
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)[na:1.8.0_40]
      2 frames
    14. Tomcat Util
      TaskThread$WrappingRunnable.run
      1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)[tomcat-util.jar:8.0.35]
      1 frame
    15. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)[na:1.8.0_40]
      1 frame