[GROOVY-5943] TypeChecker: Fails with NPE when use generics in inheritance tree?

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.1.0-rc-3
• Fix Version/s: 2.1.0
• Assignee: Cédric Champeau
• Reporter: Graeme Rocher
• Created: 23/Jan/13 09:57
• Updated: 25/Jan/13 23:35
• Resolved: 23/Jan/13 11:19

Description

Not sure the exact way to reproduce this. It is occuring in an inheritance tree in the Grails codebase.

Exception trace is:

[ant:groovyc] java.lang.NullPointerException
[ant:groovyc] 	at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.inferReturnT
[ant:groovyc] ypeGenerics(StaticTypeCheckingVisitor.java:3098)
[ant:groovyc] 	at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.inferReturnType
[ant:groovyc] Generics(StaticTypeCheckingVisitor.java:3002)
[ant:groovyc] 	at org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethodCallExp
[ant:groovyc] ression(StaticTypeCheckingVisitor.java:2054)
[ant: