[
https://jira.terracotta.org/jira//browse/CDV-422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_23038
]
Geir Ove Grønmo commented on CDV-422:
-------------------------------------
The workaround of using a private synchronized init() method described in
CDV-199 does work, but the bug seem to be similar to the one described there.
> Problem With Subclass of HashSet
> --------------------------------
>
> Key: CDV-422
> URL: https://jira.terracotta.org/jira//browse/CDV-422
> Project: Community Development
> Issue Type: Bug
> Affects Versions: 2.4.3
> Reporter: Geir Ove Grønmo
> Assignee: Issue Review Board
>
> The following test class triggers a java.lang.IncompatibleClassChangeError
> like this:
> Exception in thread "main" java.lang.IncompatibleClassChangeError
> at
> tutorial.HelloWorldIncompatibleClassChangeError$MySet.<init>(HelloWorldIncompatibleClassChangeError.java:19)
> at
> tutorial.HelloWorldIncompatibleClassChangeError.sayHello(HelloWorldIncompatibleClassChangeError.java:35)
> at
> tutorial.HelloWorldIncompatibleClassChangeError.main(HelloWorldIncompatibleClassChangeError.java:47)
> - - -
> package tutorial;
> import java.util.List;
> import java.util.ArrayList;
> import java.util.Collection;
> import java.util.Set;
> import java.util.HashSet;
> import java.util.Iterator;
> public class HelloWorldIncompatibleClassChangeError {
> class MySet extends HashSet {
> protected String something;
>
> public MySet(String something, Collection c) {
> super(c.size());
> Iterator iter = c.iterator();
> while (iter.hasNext()) {
> super.add(iter.next());
> }
> this.something = something;
> }
> }
>
> private List hellos = new ArrayList();
> public void sayHello(){
> synchronized(hellos){
> Set abc = new HashSet();
> abc.add("A");
> abc.add("B");
> abc.add("C");
> hellos.add(abc);
> Set myset = new MySet("xxx", abc);
> myset.add("E");
> hellos.add(myset);
>
> for(Iterator it = hellos.iterator();it.hasNext();) {
> Object o = it.next();
> System.out.println(o);
> }
> }
> }
> public static void main(String[] args) {
> new HelloWorldIncompatibleClassChangeError().sayHello();
> }
> }
--
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
https://jira.terracotta.org/jira//secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira
_______________________________________________
tc-dev mailing list
[email protected]
http://lists.terracotta.org/mailman/listinfo/tc-dev
