[GROOVY-6837] String[] + String[] gives Object[]

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.1
• Fix Version/s: 4.0.0, 3.0.21
• Component/s: groovy-runtime
• Labels: breaking
• Assignee: Eric Milles
• Reporter: Dmitry Ovchinnikov
• Created: 29/May/14 08:06
• Updated: 23/Jan/24 22:25
• Resolved: 14/Jan/22 02:38

Description

def a1 = ["a", "b"] as String[], a2 = ["c", "d"] as String[];
def concatenated = a1 + a2;
java.nio.file.Paths.get("parent", concatenated)

==>

groovy.lang.MissingMethodException: No signature of method: static java.nio.file.Paths.get() is applicable for argument types: (java.lang.String, [Ljava.lang.Object;) values: [parent, [a, b, c, d]]
Possible solutions: get(java.lang.String, [Ljava.lang.String;), get(java.net.URI), grep(), getAt(java.lang.String), wait(), any()
	at groovy.lang.MetaClassImpl.invokeStaticMissingMethod(MetaClassImpl.java:1373)
	at groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1359)
	at org.codehaus.groovy.runtime.callsite.StaticMetaClassSite.call(StaticMetaClassSite.java:50)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120)
	at ideaGroovyConsole.run(ideaGroovyConsole.groovy:4)
	at groovy.lang.GroovyShell.runScriptOrMainOrTestOrRunnable(GroovyShell.java:258)
	at groovy.lang.GroovyShell.run(GroovyShell.java:502)
	at groovy.lang.GroovyShell.run(GroovyShell.java:481)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:166)
	at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.call(PogoMetaMethodSite.java:68)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120)
	at console.run(console.txt:25)