Felipe Mamud created GROOVY-7820:
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Summary: CachedMethod.compareToCachedMethod throws "Should never
happen"
Key: GROOVY-7820
URL: https://issues.apache.org/jira/browse/GROOVY-7820
Project: Groovy
Issue Type: Bug
Components: groovy-jdk, groovy-runtime
Affects Versions: 2.4.6
Environment: Groovy Version: 2.4.6 JVM: 1.8.0_72 Vendor: Oracle
Corporation OS: Linux
Reporter: Felipe Mamud
When running the code below:
{code:java}
String.metaClass.methods.unique()
{code}
The exception occurs:
{noformat}
Exception in thread "main" java.lang.RuntimeException: Should never happen
at
org.codehaus.groovy.reflection.CachedMethod.compareToCachedMethod(CachedMethod.java:171)
at
org.codehaus.groovy.reflection.CachedMethod.compareTo(CachedMethod.java:140)
at
org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.compareToWithEqualityCheck(DefaultTypeTransformation.java:588)
at
org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.compareTo(DefaultTypeTransformation.java:543)
at
org.codehaus.groovy.runtime.NumberAwareComparator.compare(NumberAwareComparator.java:34)
at
org.codehaus.groovy.runtime.DefaultGroovyMethods.numberAwareCompareTo(DefaultGroovyMethods.java:1119)
at
org.codehaus.groovy.runtime.DefaultGroovyMethods.coercedEquals(DefaultGroovyMethods.java:11493)
at
org.codehaus.groovy.runtime.DefaultGroovyMethods.unique(DefaultGroovyMethods.java:1071)
at
org.codehaus.groovy.runtime.DefaultGroovyMethods.unique(DefaultGroovyMethods.java:1044)
at org.codehaus.groovy.runtime.dgm$739.invoke(Unknown Source)
at
org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:274)
at
org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:56)
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:117)
at com.study.Main.run(Main.groovy:3)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1212)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1021)
at
org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper.java:923)
at
org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:906)
at
org.codehaus.groovy.runtime.InvokerHelper.runScript(InvokerHelper.java:410)
at org.codehaus.groovy.runtime.InvokerHelper$runScript.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:133)
at com.study.Main.main(Main.groovy)
{noformat}
It is seen that is being compared to the same cached method with distinct
instances. It should be treated as a cached method?
{code:java}
self.toString()
(Java.lang.String) public boolean java.lang.String.equals (java.lang.Object)
other.toString()
(Java.lang.String) public boolean java.lang.Object.equals (java.lang.Object)
{code}
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