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Constructor injection random error under JDK7 #390

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago 
When using dependency injection, and there is multiple 1 arg constructor, and 
only one mock that can match. Mockito can fail :

org.mockito.exceptions.base.MockitoException: 
Cannot instantiate @InjectMocks field named 'inputParamValidator' of type 
'class com.whatever.api.rest.validation.InputParamValidator'.
You haven't provided the instance at field declaration so I tried to construct 
the instance.
However the constructor or the initialization block threw an exception : null

    at org.mockito.internal.runners.JUnit45AndHigherRunnerImpl$1.withBefores(JUnit45AndHigherRunnerImpl.java:27)
    at org.junit.runners.BlockJUnit4ClassRunner.methodBlock(BlockJUnit4ClassRunner.java:246)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
    at org.mockito.internal.runners.JUnit45AndHigherRunnerImpl.run(JUnit45AndHigherRunnerImpl.java:37)
    at org.mockito.runners.MockitoJUnitRunner.run(MockitoJUnitRunner.java:62)
    at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:76)
    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: java.lang.NullPointerException
    at com.whatever.api.rest.validation.InputParamValidator.<init>(InputParamValidator.java:70)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
    at org.mockito.internal.util.reflection.FieldInitializer$ParameterizedConstructorInstantiator.instantiate(FieldInitializer.java:239)
    at org.mockito.internal.util.reflection.FieldInitializer.acquireFieldInstance(FieldInitializer.java:123)
    at org.mockito.internal.util.reflection.FieldInitializer.initialize(FieldInitializer.java:85)
    at org.mockito.internal.configuration.injection.ConstructorInjection.processInjection(ConstructorInjection.java:52)
    at org.mockito.internal.configuration.injection.MockInjectionStrategy.process(MockInjectionStrategy.java:68)
    at org.mockito.internal.configuration.injection.MockInjectionStrategy.relayProcessToNextStrategy(MockInjectionStrategy.java:89)
    at org.mockito.internal.configuration.injection.MockInjectionStrategy.process(MockInjectionStrategy.java:71)
    at org.mockito.internal.configuration.injection.MockInjection$OngoingMockInjection.apply(MockInjection.java:92)
    at org.mockito.internal.configuration.DefaultInjectionEngine.injectMocksOnFields(DefaultInjectionEngine.java:20)
    at org.mockito.internal.configuration.InjectingAnnotationEngine.injectMocks(InjectingAnnotationEngine.java:100)
    at org.mockito.internal.configuration.InjectingAnnotationEngine.processInjectMocks(InjectingAnnotationEngine.java:62)
    at org.mockito.internal.configuration.InjectingAnnotationEngine.process(InjectingAnnotationEngine.java:56)
    at org.mockito.MockitoAnnotations.initMocks(MockitoAnnotations.java:108)
    ... 21 more

Ran under JDK 7, and not always reproductible.

Original issue reported on code.google.com by brice.du...@gmail.com on 30 Oct 2012 at 9:40

GoogleCodeExporter commented 8 years ago 
Additonal info :

constructors with different 1 arg type, but with different visibility.

Original comment by brice.du...@gmail.com on 30 Oct 2012 at 9:42

GoogleCodeExporter commented 8 years ago

Original comment by brice.du...@gmail.com on 8 Jan 2013 at 4:43

GoogleCodeExporter commented 8 years ago

Original comment by brice.du...@gmail.com on 28 Jan 2013 at 11:37