[ https://issues.apache.org/jira/browse/GROOVY-8494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul King updated GROOVY-8494: ------------------------------ Description: Various examples still cause problems with 2_4_X for static methods on interfaces. Prior to GROOVY-8338 these examples worked on JDK8 but failed on JDK9 (for all versions of Groovy) with errors like: {noformat} java.lang.IncompatibleClassChangeError: Method java.util.stream.Stream.of(Ljava/lang/Object;)Ljava/util/stream/Stream; must be InterfaceMethodref constant at java_util_stream_Stream$of.call(Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) at Ex1.main(ConsoleScript1:5) {noformat} Now, the examples work on versions of 2_5_X+ with the GROOVY-8338 fix applied but fail on 2_4_X. Example 1: {code:groovy} import java.util.stream.Stream class Ex1 { static void main(String[] args) { Stream.of("1").forEach{ println it } } } {code} Example 2: {code:groovy} import java.util.function.Function Function<Integer, Integer> function = Function.identity() {code} 2.6.0-alpha-3, latest 2_6_X, latest 2_5_X and master all run successfully. 2.5.0-beta-3 doesn't have the GROOVY-8338 fix applied. Ex1 on jdk8_161 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_stream_Stream$of, method: call signature: (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) at java.lang.Class.getConstructor0(Class.java:3075) at java.lang.Class.getConstructor(Class.java:1825) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128) at Ex1.main(ConsoleScript3:6) {noformat} Ex2 on jdk8_161 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_function_Function$identity$1, method: call signature: (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) at java.lang.Class.getConstructor0(Class.java:3075) at java.lang.Class.getConstructor(Class.java:1825) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) at ConsoleScript4.run(ConsoleScript4:11) {noformat} Ex1 on JDK9.0.4 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_stream_Stream$of, method: callStatic signature: (Ljava/lang/Class;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3110) at java.base/java.lang.Class.getConstructor0(Class.java:3315) at java.base/java.lang.Class.getConstructor(Class.java:2108) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128) at Ex1.main(ConsoleScript0:6) {noformat} Ex2 on JDK9.0.4 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_function_Function$identity, method: callStatic signature: (Ljava/lang/Class;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3110) at java.base/java.lang.Class.getConstructor0(Class.java:3315) at java.base/java.lang.Class.getConstructor(Class.java:2108) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) at ConsoleScript1.run(ConsoleScript1:11) {noformat} Ex3: {code} println Comparator.naturalOrder() {code} was: Various examples still cause problems with 2_4_X for static methods on interfaces. Prior to GROOVY-8338 these examples worked on JDK8 but failed on JDK9 (for all versions of Groovy) with errors like: {noformat} java.lang.IncompatibleClassChangeError: Method java.util.stream.Stream.of(Ljava/lang/Object;)Ljava/util/stream/Stream; must be InterfaceMethodref constant at java_util_stream_Stream$of.call(Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) at Ex1.main(ConsoleScript1:5) {noformat} Now, the examples work on versions of 2_5_X+ with the GROOVY-8338 fix applied but fail on 2_4_X. Example 1: {code:groovy} import java.util.stream.Stream class Ex1 { static void main(String[] args) { Stream.of("1").forEach{ println it } } } {code} Example 2: {code:groovy} import java.util.function.Function Function<Integer, Integer> function = Function.identity() {code} 2.6.0-alpha-3, latest 2_6_X, latest 2_5_X and master all run successfully. 2.5.0-beta-3 doesn't have the GROOVY-8338 fix applied. Ex1 on jdk8_161 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_stream_Stream$of, method: call signature: (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) at java.lang.Class.getConstructor0(Class.java:3075) at java.lang.Class.getConstructor(Class.java:1825) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128) at Ex1.main(ConsoleScript3:6) {noformat} Ex2 on jdk8_161 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_function_Function$identity$1, method: call signature: (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) at java.lang.Class.getConstructor0(Class.java:3075) at java.lang.Class.getConstructor(Class.java:1825) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) at ConsoleScript4.run(ConsoleScript4:11) {noformat} Ex1 on JDK9.0.4 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_stream_Stream$of, method: callStatic signature: (Ljava/lang/Class;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3110) at java.base/java.lang.Class.getConstructor0(Class.java:3315) at java.base/java.lang.Class.getConstructor(Class.java:2108) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128) at Ex1.main(ConsoleScript0:6) {noformat} Ex2 on JDK9.0.4 with latest 2_4_X: {noformat} java.lang.VerifyError: (class: java_util_function_Function$identity, method: callStatic signature: (Ljava/lang/Class;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in constant pool at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3110) at java.base/java.lang.Class.getConstructor0(Class.java:3315) at java.base/java.lang.Class.getConstructor(Class.java:2108) at org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) at org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) at ConsoleScript1.run(ConsoleScript1:11) {noformat} > CLONE - Calling Stream.of from groovy class in JDK 9 fails > ---------------------------------------------------------- > > Key: GROOVY-8494 > URL: https://issues.apache.org/jira/browse/GROOVY-8494 > Project: Groovy > Issue Type: Bug > Components: groovy-runtime > Affects Versions: 2.4.14 > Reporter: Marcus Nylander > Priority: Major > > Various examples still cause problems with 2_4_X for static methods on > interfaces. > Prior to GROOVY-8338 these examples worked on JDK8 but failed on JDK9 (for > all versions of Groovy) with errors like: > {noformat} > java.lang.IncompatibleClassChangeError: Method > java.util.stream.Stream.of(Ljava/lang/Object;)Ljava/util/stream/Stream; must > be InterfaceMethodref constant > at java_util_stream_Stream$of.call(Unknown Source) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) > at Ex1.main(ConsoleScript1:5) > {noformat} > Now, the examples work on versions of 2_5_X+ with the GROOVY-8338 fix applied > but fail on 2_4_X. > Example 1: > {code:groovy} > import java.util.stream.Stream > class Ex1 { > static void main(String[] args) { > Stream.of("1").forEach{ println it } > } > } > {code} > Example 2: > {code:groovy} > import java.util.function.Function > Function<Integer, Integer> function = Function.identity() > {code} > 2.6.0-alpha-3, latest 2_6_X, latest 2_5_X and master all run successfully. > 2.5.0-beta-3 doesn't have the GROOVY-8338 fix applied. > Ex1 on jdk8_161 with latest 2_4_X: > {noformat} > java.lang.VerifyError: (class: java_util_stream_Stream$of, method: call > signature: (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal > type in constant pool > at java.lang.Class.getDeclaredConstructors0(Native Method) > at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) > at java.lang.Class.getConstructor0(Class.java:3075) > at java.lang.Class.getConstructor(Class.java:1825) > at > org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) > at > org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) > at > org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) > at > org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) > at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128) > at Ex1.main(ConsoleScript3:6) > {noformat} > Ex2 on jdk8_161 with latest 2_4_X: > {noformat} > java.lang.VerifyError: (class: java_util_function_Function$identity$1, > method: call signature: > (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in > constant pool > at java.lang.Class.getDeclaredConstructors0(Native Method) > at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) > at java.lang.Class.getConstructor0(Class.java:3075) > at java.lang.Class.getConstructor(Class.java:1825) > at > org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) > at > org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) > at > org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) > at > org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) > at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) > at ConsoleScript4.run(ConsoleScript4:11) > {noformat} > Ex1 on JDK9.0.4 with latest 2_4_X: > {noformat} > java.lang.VerifyError: (class: java_util_stream_Stream$of, method: callStatic > signature: (Ljava/lang/Class;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal > type in constant pool > at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) > at > java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3110) > at java.base/java.lang.Class.getConstructor0(Class.java:3315) > at java.base/java.lang.Class.getConstructor(Class.java:2108) > at > org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) > at > org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) > at > org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) > at > org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) > at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128) > at Ex1.main(ConsoleScript0:6) > {noformat} > Ex2 on JDK9.0.4 with latest 2_4_X: > {noformat} > java.lang.VerifyError: (class: java_util_function_Function$identity, method: > callStatic signature: > (Ljava/lang/Class;[Ljava/lang/Object;)Ljava/lang/Object;) Illegal type in > constant pool > at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) > at > java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3110) > at java.base/java.lang.Class.getConstructor0(Class.java:3315) > at java.base/java.lang.Class.getConstructor(Class.java:2108) > at > org.codehaus.groovy.reflection.ClassLoaderForClassArtifacts.defineClassAndGetConstructor(ClassLoaderForClassArtifacts.java:82) > at > org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compileStaticMethod(CallSiteGenerator.java:262) > at > org.codehaus.groovy.reflection.CachedMethod.createStaticMetaMethodSite(CachedMethod.java:295) > at > org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.createStaticMetaMethodSite(StaticMetaMethodSite.java:114) > at groovy.lang.MetaClassImpl.createStaticSite(MetaClassImpl.java:3421) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallStaticSite(CallSiteArray.java:76) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) > at > org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) > at > org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) > at ConsoleScript1.run(ConsoleScript1:11) > {noformat} > Ex3: > {code} > println Comparator.naturalOrder() > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)