org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException

Stack Overflow | jodekpotasu | 7 months ago
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    Testing Spring Boot REST json result

    Stack Overflow | 7 months ago | jodekpotasu
    org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.serwis.controller.UserController.findAll()
    2. com.serwis.controller
      UserController.findAll
      1. com.serwis.controller.UserController.findAll(UserController.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. Spring
      InvocableHandlerMethod.invokeForRequest
      1. org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
      2. org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
      2 frames
    5. Spring MVC
      FrameworkServlet.doGet
      1. org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
      2. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:832)
      3. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:743)
      4. org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
      5. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:961)
      6. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)
      7. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
      8. org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
      8 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
      1 frame
    7. Spring MVC
      FrameworkServlet.service
      1. org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
      1 frame
    8. Spring TestContext
      TestDispatcherServlet.service
      1. org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:65)
      1 frame
    9. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
      1 frame
    10. Spring TestContext
      MockMvc.perform
      1. org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:167)
      2. org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)
      3. org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:155)
      3 frames
    11. com.serwis.controller
      UserControllerTests.createUser
      1. com.serwis.controller.UserControllerTests.createUser(UserControllerTests.java:56)
      1 frame
    12. 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
    13. JUnit
      RunBefores.evaluate
      1. org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
      2. org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
      3. org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
      4. org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
      5. org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
      5 frames
    14. Spring TestContext
      SpringRepeat.evaluate
      1. org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
      2. org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
      3. org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
      3 frames
    15. JUnit
      ParentRunner.runLeaf
      1. org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
      1 frame
    16. Spring TestContext
      SpringJUnit4ClassRunner.runChild
      1. org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:254)
      2. org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89)
      2 frames
    17. JUnit
      ParentRunner$2.evaluate
      1. org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
      2. org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
      3. org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
      4. org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
      5. org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
      5 frames
    18. Spring TestContext
      RunAfterTestClassCallbacks.evaluate
      1. org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
      2. org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
      2 frames
    19. JUnit
      ParentRunner.run
      1. org.junit.runners.ParentRunner.run(ParentRunner.java:363)
      1 frame
    20. Spring TestContext
      SpringJUnit4ClassRunner.run
      1. org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:193)
      1 frame
    21. JUnit
      JUnitCore.run
      1. org.junit.runner.JUnitCore.run(JUnitCore.java:137)
      1 frame
    22. IntelliJ junit4 module
      JUnit4IdeaTestRunner.startRunnerWithArgs
      1. com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:117)
      2. com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
      2 frames
    23. IDEA
      JUnitStarter.main
      1. com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:253)
      2. com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:84)
      2 frames
    24. 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
    25. IDEA
      AppMain.main
      1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
      1 frame