java.lang.NullPointerException

Stack Overflow | Jakub_R | 6 months ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.

Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at com.kuba.crud.resources.CustomerResource.getCustomers()
  2. com.kuba.crud
    CustomerResource.getCustomers
    1. com.kuba.crud.resources.CustomerResource.getCustomers(CustomerResource.java:37)
    1 frame
  3. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  4. jersey-core-server
    ServerRuntime$2.run
    1. org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
    2. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
    3. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
    4. org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:205)
    5. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
    6. org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
    7. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
    8. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
    9. org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326)
    9 frames
  5. Jersey Core
    RequestScope.runInScope
    1. org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
    2. org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
    3. org.glassfish.jersey.internal.Errors.process(Errors.java:315)
    4. org.glassfish.jersey.internal.Errors.process(Errors.java:297)
    5. org.glassfish.jersey.internal.Errors.process(Errors.java:267)
    6. org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
    6 frames
  6. jersey-core-server
    ApplicationHandler.handle
    1. org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
    2. org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
    2 frames
  7. jersey-container-servlet-core
    ServletContainer.service
    1. org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
    2. org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
    3. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
    4. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
    5. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
    5 frames
  8. Glassfish Core
    ApplicationFilterChain.doFilter
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
    2 frames
  9. OpenEJB :: TomEE :: Web Services
    CXFJAXRSFilter.doFilter
    1. org.apache.tomee.webservices.CXFJAXRSFilter.doFilter(CXFJAXRSFilter.java:83)
    1 frame
  10. Glassfish Core
    ApplicationFilterChain.doFilter
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
    2 frames
  11. Tomcat WS
    WsFilter.doFilter
    1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    1 frame
  12. Glassfish Core
    ApplicationFilterChain.doFilter
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
    2 frames
  13. OpenEJB :: Server :: Http
    EEFilter.doFilter
    1. org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65)
    1 frame
  14. Glassfish Core
    StandardContextValve.invoke
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
    3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
    4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
    4 frames
  15. OpenEJB :: TomEE :: Catalina
    OpenEJBValve.invoke
    1. org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:44)
    1 frame
  16. Glassfish Core
    CoyoteAdapter.service
    1. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522)
    2. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    3. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    4. org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
    5. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    6. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
    6 frames
  17. Grizzly HTTP
    SocketProcessorBase.run
    1. org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110)
    2. org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    3. org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)
    4. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)
    5. org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
    5 frames
  18. Java RT
    ThreadPoolExecutor$Worker.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    2 frames
  19. Tomcat Util
    TaskThread$WrappingRunnable.run
    1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    1 frame
  20. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame