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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-1024" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-3382bffd-a1f3-4674-968f-560e5a665d1e" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HV-1024" style="color: #3b73af; text-decoration: none">HV-1024</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-1024" style="color: #3b73af; text-decoration: none">Hibernate Validator can't introspect AnnotatedParameterizedTypes from method parameters using IBM JDK</a> </span>
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Issue Type:
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Affects Versions:
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5.2.2.Final
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Unassigned
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Components:
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engine
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Created:
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22/Oct/2015 05:56 AM
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Environment:
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java version "1.8.0" <br /> Java(TM) SE Runtime Environment (build pxi3280sr1fp10-20150711_01(SR1 FP10)) <br /> IBM J9 VM (build 2.8, JRE 1.8.0 Linux x86-32 20150630_255633 (JIT enabled, AOT enabled) <br /> J9VM - R28_jvm.28_20150630_1742_B255633 <br /> JIT - tr.r14.java_20150625_95081.01 <br /> GC - R28_jvm.28_20150630_1742_B255633 <br /> J9CL - 20150630_255633) <br /> JCL - 20150711_01 based on Oracle jdk8u51-b15
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Priority:
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Reporter:
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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="jmartisk" id="email_jmartisk" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=jmartisk" style="color:#6c797f;; color: #3b73af; text-decoration: none">Jan Martiška</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This looks like a bug in IBM JDK. When introspecting a generic parameter of a method using getAnnotatedParameterTypes, IBM JDK returns an instance of <tt>sun.reflect.annotation.AnnotatedTypeFactory$AnnotatedTypeBaseImpl</tt> instead of the correct <tt>sun.reflect.annotation.AnnotatedTypeFactory$AnnotatedParameterizedTypeImpl</tt><br /> When introspecting generic fields or methods' return values this way, it works correctly!</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The impact is that Hibernate Validator won't see nor be able to enforce constraints which are declared using type-use annotations on method parameters.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This also causes 8 failures in Hibernate Validator test suite when running with IBM JDK 8 - 4 in <tt>OptionalTypeAnnotationConstraintOnMethodTest</tt> and 4 in <tt>OptionalTypeAnnotationConstraintOnConstructorTest</tt></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Reproducer - simply compile this and run it using IBM JDK - it will fail with a ClassCastException, while it will finish successfully on other JDKs: </p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap">public class TypeUse_Parameter_Reproducer {
public static void main(String[] args) throws NoSuchMethodException {
final Method method = TypeUse_Parameter_Reproducer.class.getMethod("method", List.class);
final AnnotatedType type = method.getAnnotatedParameterTypes()[0];
final AnnotatedParameterizedType annotatedParameterizedType
= (AnnotatedParameterizedType)type; // booom!
System.out
.println(annotatedParameterizedType.getAnnotatedActualTypeArguments()[0].getAnnotations()[0]);
// the expected output is:
// @TypeUse_Parameter_Reproducer$TypeUseAnnotation(message=hi)
}
public void method(List<@TypeUseAnnotation(message = "hi") String> param) {
}
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE_USE})
public @interface TypeUseAnnotation {
String message() default "blabla";
}
}
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Btw. To be able to run the Hibernate Validator test suite using IBM JDK, you also need to get rid of classes which depend on JavaFX and turn off the maven-enforcer-plugin using -Denforcer.skip=true..</p>
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