java.lang.NullPointerException

hivmr.com | 6 months ago
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    Assign onCickListener to imageView in ExpandableListView inside getChildView.
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    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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    Android: Saving Map State in Google map

    Stack Overflow | 1 year ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.jboss.seam.ui.facelet.RendererRequest.init()
    2. org.jboss.seam
      MailExample.send
      1. org.jboss.seam.ui.facelet.RendererRequest.init(RendererRequest.java:49)
      2. org.jboss.seam.ui.facelet.RendererRequest.run(RendererRequest.java:72)
      3. org.jboss.seam.ui.facelet.FaceletsRenderer.render(FaceletsRenderer.java:43)
      4. org.jboss.seam.example.mail.MailExample.send(MailExample.java:41)
      4 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:585)
      4 frames
    4. org.jboss.seam
      MailExample_$$_javassist_5.send
      1. org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
      2. org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
      3. org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
      4. org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28)
      5. org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
      6. org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:77)
      7. org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
      8. org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)
      9. org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
      10. org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
      11. org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166)
      12. org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102)
      13. org.jboss.seam.example.mail.MailExample_$$_javassist_5.send(MailExample_$$_javassist_5.java)
      13 frames
    5. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:585)
      4 frames
    6. org.jboss.el
      MethodExpressionImpl.invoke
      1. org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329)
      2. org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342)
      3. org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58)
      4. org.jboss.el.parser.AstValue.invoke(AstValue.java:96)
      5. org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
      5 frames
    7. org.jboss.seam
      SeamFilter$FilterChainImpl.doFilter
      1. org.jboss.seam.mock.AbstractSeamTest$Request.invokeMethod(AbstractSeamTest.java:464)
      2. org.jboss.seam.mock.AbstractSeamTest$Request.invokeAction(AbstractSeamTest.java:473)
      3. org.jboss.seam.example.mail.test.MailTest$12.invokeApplication(MailTest.java:647)
      4. org.jboss.seam.mock.AbstractSeamTest$Request.invokeApplicationPhase(AbstractSeamTest.java:647)
      5. org.jboss.seam.mock.AbstractSeamTest$Request.emulateJsfLifecycle(AbstractSeamTest.java:596)
      6. org.jboss.seam.mock.AbstractSeamTest$Request.access$300(AbstractSeamTest.java:178)
      7. org.jboss.seam.mock.AbstractSeamTest$Request$2.doFilter(AbstractSeamTest.java:498)
      8. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
      9. org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:51)
      10. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
      11. org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:38)
      12. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
      13. org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
      14. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
      15. org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
      16. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
      17. org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
      18. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
      18 frames
    8. org.ajax4jsf.webapp
      BaseFilter.doFilter
      1. org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)
      2. org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267)
      3. org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)
      4. org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)
      4 frames
    9. org.jboss.seam
      MailTest.testDoubleRender
      1. org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
      2. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
      3. org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
      4. org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
      5. org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
      6. org.jboss.seam.mock.AbstractSeamTest$Request.run(AbstractSeamTest.java:492)
      7. org.jboss.seam.example.mail.test.MailTest.testDoubleRender(MailTest.java:633)
      7 frames
    10. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:585)
      4 frames
    11. TestNG
      TestNG.main
      1. org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java:604)
      2. org.testng.internal.Invoker.invokeMethod(Invoker.java:470)
      3. org.testng.internal.Invoker.invokeTestMethod(Invoker.java:564)
      4. org.testng.internal.Invoker.invokeTestMethods(Invoker.java:830)
      5. org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
      6. org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
      7. org.testng.TestRunner.runWorkers(TestRunner.java:678)
      8. org.testng.TestRunner.privateRun(TestRunner.java:624)
      9. org.testng.TestRunner.run(TestRunner.java:495)
      10. org.testng.SuiteRunner.runTest(SuiteRunner.java:300)
      11. org.testng.SuiteRunner.runSequentially(SuiteRunner.java:295)
      12. org.testng.SuiteRunner.privateRun(SuiteRunner.java:275)
      13. org.testng.SuiteRunner.run(SuiteRunner.java:190)
      14. org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:792)
      15. org.testng.TestNG.runSuitesLocally(TestNG.java:765)
      16. org.testng.TestNG.run(TestNG.java:699)
      17. org.testng.TestNG.privateMain(TestNG.java:824)
      18. org.testng.TestNG.main(TestNG.java:802)
      18 frames