[jbosstools-issues] [JBoss JIRA] (JBIDE-21036) Infinite cycle in ParametedType.isAssignableTo()

[Rastislav Wagner (JIRA)]

     [ https://issues.jboss.org/browse/JBIDE-21036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rastislav Wagner closed JBIDE-21036.
------------------------------------


verified in JBDS 9.1.0.Beta1-v20151208-2104-B170

> Infinite cycle in ParametedType.isAssignableTo()
> ------------------------------------------------
>
>                 Key: JBIDE-21036
>                 URL: https://issues.jboss.org/browse/JBIDE-21036
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: cdi
>    Affects Versions: 4.3.0.Final
>            Reporter: Viacheslav Kabanovich
>            Assignee: Viacheslav Kabanovich
>             Fix For: 4.3.1.Beta1
>
>
> java.lang.StackOverflowError is reported in
> http://stackoverflow.com/questions/33301776/an-internal-error-occurred-during-jboss-tools-project-validator
> Infinitely cycling calls are 
> org.jboss.tools.common.java.ParametedType.isAssignableTo(ParametedType.java:398) at org.jboss.tools.common.java.ParametedType.isAssignableTo(ParametedType.java:402) at org.jboss.tools.common.java.ParametedType.areTypeParametersAssignableTo(ParametedType.java:430)
> Sample that reproduces the stack trace:
> {code}
> public class B {
> 	
> 	static class A1<V extends A1<V>> {		
> 	}
> 	static class A2<T extends A2<T>> extends A1<A2<T>> {
> 	}
> 	
> 	static class A3 extends A2<A3> {
> 	}
> 	@Inject
> 	A1<A2<A3>> q;
> }
> {code}
> One more infinite cycle in ParametedType.equals():
> 	at org.jboss.tools.common.java.ParametedType.equals(ParametedType.java:171)
> can be reproduced with sample:
> {code}
> public class A<V extends A.B<V>>  {
> 	static class B<V1 extends A.B<V1>> {  
> 	}
> 	@Inject
> 	A.B<V> s2; 
> }
>  {code}



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