java.lang.AssertionError: expected:<0> but was:<4>

Spring JIRA | Andy Wilkinson | 4 months ago
  1. 0

    {noformat} java.lang.AssertionError: expected:<0> but was:<4> at org.junit.Assert.fail(Assert.java:88) at org.junit.Assert.failNotEquals(Assert.java:834) at org.junit.Assert.assertEquals(Assert.java:645) at org.junit.Assert.assertEquals(Assert.java:631) at org.springframework.integration.jms.request_reply.RequestReplyScenariosWithTempReplyQueuesTests.testConcurrently(RequestReplyScenariosWithTempReplyQueuesTests.java:267) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.runTestClass(JUnitTestClassExecuter.java:112) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.execute(JUnitTestClassExecuter.java:56) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassProcessor.processTestClass(JUnitTestClassProcessor.java:66) at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51) at sun.reflect.GeneratedMethodAccessor59.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.messaging.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32) at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93) at com.sun.proxy.$Proxy2.processTestClass(Unknown Source) at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:109) at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.messaging.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:364) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54) at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) {noformat}

    Spring JIRA | 4 months ago | Andy Wilkinson
    java.lang.AssertionError: expected:<0> but was:<4>
  2. 0

    [TEST-FAILURE] MapLoaderMultiNodeTest.testLoadAgain_whenLoadedAllCalledMultipleTimes

    GitHub | 2 years ago | bilalyasar
    java.lang.AssertionError: expected:<2> but was:<3>
  3. 0

    Assertion failure for calculating hour difference

    Stack Overflow | 2 years ago
    java.lang.AssertionError: expected:<500> but was:<514>
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  5. 0

    GitHub comment 6007#134166006

    GitHub | 1 year ago | hasancelik
    java.lang.AssertionError: expected:<500> but was:<4156>
  6. 0

    Tests failing on Windows

    GitHub | 1 year ago | freddy24
    java.lang.AssertionError: expected:<0> but was:<3600000>

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Root Cause Analysis

  1. java.lang.AssertionError

    expected:<0> but was:<4>

    at org.junit.Assert.fail()
  2. JUnit
    Assert.assertEquals
    1. org.junit.Assert.fail(Assert.java:88)
    2. org.junit.Assert.failNotEquals(Assert.java:834)
    3. org.junit.Assert.assertEquals(Assert.java:645)
    4. org.junit.Assert.assertEquals(Assert.java:631)
    4 frames
  3. org.springframework.integration
    RequestReplyScenariosWithTempReplyQueuesTests.testConcurrently
    1. org.springframework.integration.jms.request_reply.RequestReplyScenariosWithTempReplyQueuesTests.testConcurrently(RequestReplyScenariosWithTempReplyQueuesTests.java:267)
    1 frame
  4. 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:497)
    4 frames
  5. JUnit
    ParentRunner.run
    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.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
    6. org.junit.rules.RunRules.evaluate(RunRules.java:20)
    7. org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    8. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    9. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    10. org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    11. org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    12. org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    13. org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    14. org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    15. org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    16. org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
    17. org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    17 frames
  6. org.gradle.api
    SuiteTestClassProcessor.processTestClass
    1. org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.runTestClass(JUnitTestClassExecuter.java:112)
    2. org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.execute(JUnitTestClassExecuter.java:56)
    3. org.gradle.api.internal.tasks.testing.junit.JUnitTestClassProcessor.processTestClass(JUnitTestClassProcessor.java:66)
    4. org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51)
    4 frames
  7. Java RT
    Method.invoke
    1. sun.reflect.GeneratedMethodAccessor59.invoke(Unknown Source)
    2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3. java.lang.reflect.Method.invoke(Method.java:497)
    3 frames
  8. Gradle Core
    ProxyDispatchAdapter$DispatchingInvocationHandler.invoke
    1. org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
    2. org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    3. org.gradle.messaging.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32)
    4. org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
    4 frames
  9. com.sun.proxy
    $Proxy2.processTestClass
    1. com.sun.proxy.$Proxy2.processTestClass(Unknown Source)
    1 frame
  10. org.gradle.api
    TestWorker.processTestClass
    1. org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:109)
    1 frame
  11. Java RT
    Method.invoke
    1. sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source)
    2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3. java.lang.reflect.Method.invoke(Method.java:497)
    3 frames
  12. Gradle Core
    ReflectionDispatch.dispatch
    1. org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
    2. org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    2 frames
  13. org.gradle.messaging
    MessageHub$Handler.run
    1. org.gradle.messaging.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:364)
    1 frame
  14. Gradle Core
    StoppableExecutorImpl$1.run
    1. org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
    2. org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
    2 frames
  15. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames