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https://issues.apache.org/jira/browse/GROOVY-10312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Milles updated GROOVY-10312:
---------------------------------
Fix Version/s: 3.0.10
> MissingMethodException in method with default parameter in trait - regression
> in 3.0.9
> --------------------------------------------------------------------------------------
>
> Key: GROOVY-10312
> URL: https://issues.apache.org/jira/browse/GROOVY-10312
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 4.0.0-beta-1, 3.0.9
> Reporter: Marcin Zajaczkowski
> Assignee: Eric Milles
> Priority: Minor
> Labels: trait, traits
> Fix For: 4.0.0-beta-2, 3.0.10
>
>
> After switch from 3.0.8 to 3.0.9 Groovy throws at runtime
> MissingMethodException for static method in a trait called from another
> trait, but only if a given method has a default parameter.
> A stripped down code to reproduce problem:
> {code:java}
> class StaticStaticInTraitProblem implements TLevel1 {
> static void main(String[] args) {
> staticMethodWithDefaultParameter()
> }
> }
> trait TLevel1 extends TLevel2 {
> static void staticMethodWithDefaultParameter(String params = "") {
> //default param is required to make it fail at runtime
> static2() //fails with MissingMethodException: No signature of
> method: static foobar.TLevel1.static2() is applicable ...
> }
> }
> trait TLevel2 {
> static void static2() {}
> }{code}
> A stacktrace:
> {code:java}
> Exception in thread "main" groovy.lang.MissingMethodException: No signature
> of method: static foobar.TLevel1.static2() is applicable for argument types:
> () values: []
> Possible solutions: wait(), wait(long), split(groovy.lang.Closure),
> wait(long, int), notify(), stream()
> at
> groovy.lang.MetaClassImpl.invokeStaticMissingMethod(MetaClassImpl.java:1584)
> at groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1570)
> at
> org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:1003)
> at
> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:180)
> at
> foobar.TLevel1$Trait$Helper.$static_methodMissing(StaticStaticInTraitProblem2Spec.groovy)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:567)
> at
> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:107)
> at
> groovy.lang.MetaClassImpl.invokeStaticMissingMethod(MetaClassImpl.java:1582)
> at groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1570)
> at
> org.codehaus.groovy.runtime.callsite.StaticMetaClassSite.call(StaticMetaClassSite.java:50)
> at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:130)
> at
> foobar.TLevel1$Trait$Helper.staticMethodWithDefaultParameter(StaticStaticInTraitProblem2Spec.groovy:11)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:567)
> at
> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:107)
> at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:323)
> at
> org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.invoke(StaticMetaMethodSite.java:44)
> at
> org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.callStatic(StaticMetaMethodSite.java:100)
> at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallStatic(CallSiteArray.java:55)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:217)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:240)
> at
> foobar.TLevel1$Trait$Helper.staticMethodWithDefaultParameter(StaticStaticInTraitProblem2Spec.groovy)
> at
> foobar.TLevel1$Trait$Helper$staticMethodWithDefaultParameter.call(Unknown
> Source)
> at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:139)
> at
> foobar.StaticStaticInTraitProblem2Spec.staticMethodWithDefaultParameter(StaticStaticInTraitProblem2Spec.groovy)
> at
> foobar.StaticStaticInTraitProblem2Spec.main(StaticStaticInTraitProblem2Spec.groovy:5)
>
> {code}
> Trying to minimize the original case, I reach similar error also with the
> other construction:
> {code:java}
> class StaticInTraitProblem implements StaticTrait {
> static void main(String[] args) {
> staticMethodWithDefaultParameter()
> }
> }
> trait StaticTrait {
> public static final String CONSTANT = ""
> static void staticMethodWithDefaultParameter(String params = "") {
> //default param is required to make it fail at runtime
> CONSTANT //Fails with: MissingMethodException: No signature of
> method: static foobar.StaticTrait.foobar_StaticTrait__CONSTANT$get() is
> applicable for argument types: () values: []
> }
> } {code}
> It worked fine with 3.0.8.
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