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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HV" style="color: #3b73af; text-decoration: none">Hibernate Validator</a> / <a href="https://hibernate.atlassian.net/browse/HV-932" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-f1800858-151c-48eb-a11c-8f96a9289b91" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HV-932" style="color: #3b73af; text-decoration: none">HV-932</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HV-932" style="color: #3b73af; text-decoration: none">IllegalArgumentException using Java 8 and implementing ConstraintValidator</a> </span>
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Change By:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="hardy.ferentschik" id="email_hardy.ferentschik" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=hardy.ferentschik" style="color:#6c797f;; color: #3b73af; text-decoration: none">Hardy Ferentschik</a>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">I've attached a project that replicates the problem. But the distillation is: <br />When using Java 8, and building your own</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext"> @ValidFoo</span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext"> annotation, and using it in a Validator class that implements</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext"> ConstraintValidator<ValidFoo, Foo></span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext"> you get an</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext"> IllegalArgumentException</span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext"> from in the depths of cglib/asm.<br /><br />While taking my production codebase and trying to replicate this with a small test case, I always seemed to focus in on the Java8/lambda aspect, because that's where we always found this bug occuring. However, I finally managed to isolate that it's the implementation of the</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext"> ConstraintValidator</span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext"> that causes the issue, regardless of whether Java 8 syntax is used in the validator or not. <br /><br />I suspect this is actually a cglib/asm issue that must be solved by them, but I wanted to report it here, just in case. <br /><br />The stacktrace looks like:</span> <span class="diffaddedchars" style="background-color:#ddfade;"> <br /></span> <span class="diffcontext"> {</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">code</span> <span class="diffaddedchars" style="background-color:#ddfade;">noformat</span> <span class="diffcontext">}<br />java.lang.IllegalArgumentException<br /> at net.sf.cglib.asm.ClassReader.<init>(Unknown Source)<br /> at net.sf.cglib.asm.ClassReader.<init>(Unknown Source)<br /> at net.sf.cglib.asm.ClassReader.<init>(Unknown Source)<br /> at net.sf.cglib.proxy.BridgeMethodResolver.resolveAll(BridgeMethodResolver.java:61)<br /> at net.sf.cglib.proxy.Enhancer.emitMethods(Enhancer.java:911)<br /> at net.sf.cglib.proxy.Enhancer.generateClass(Enhancer.java:498)<br /> at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)<br /> at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)<br /> at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java:377)<br /> at net.sf.cglib.proxy.Enhancer.createClass(Enhancer.java:317)<br /> at org.easymock.internal.ClassProxyFactory.createProxy(ClassProxyFactory.java:175)<br /> at org.easymock.internal.MocksControl.createMock(MocksControl.java:114)<br /> at org.easymock.internal.MocksControl.createMock(MocksControl.java:88)<br /> at org.easymock.internal.MockBuilder.createMock(MockBuilder.java:206)<br /> at org.easymock.internal.MockBuilder.createMock(MockBuilder.java:219)<br /> at org.easymock.internal.MockBuilder.createMock(MockBuilder.java:188)<br /> at com.company.app.module.constraint.validator.FooValidatorNoJava8Test.createPartialMock(FooValidatorNoJava8Test.java:38)<br /> at com.company.app.module.constraint.validator.FooValidatorNoJava8Test.testValid(FooValidatorNoJava8Test.java:25)<br /> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br /> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br /> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)<br /> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)<br /> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)<br /> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)<br /> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)<br /> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)<br /> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)<br /> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)<br /> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)<br /> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)<br /> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)<br /> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)<br /> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)<br /> at org.junit.runners.Suite.runChild(Suite.java:127)<br /> at org.junit.runners.Suite.runChild(Suite.java:26)<br /> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)<br /> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)<br /> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)<br /> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)<br /> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)<br /> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)<br /> at org.junit.runner.JUnitCore.run(JUnitCore.java:160)<br /> at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)<br /> at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:211)<br /> at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67)<br /> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br /> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br /> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)<br />{</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">code</span> <span class="diffaddedchars" style="background-color:#ddfade;">noformat</span> <span class="diffcontext">}</span>
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