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Posted to dev@qpid.apache.org by "Keith Wall (JIRA)" <ji...@apache.org> on 2015/05/31 23:52:17 UTC
[jira] [Updated] (QPID-6412) Declare variables as ConcurrentMap not
ConcurrentHashMap to avoid issues after compiling on Java 8
[ https://issues.apache.org/jira/browse/QPID-6412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall updated QPID-6412:
-----------------------------
Assignee: Alex Rudyy (was: Keith Wall)
> Declare variables as ConcurrentMap not ConcurrentHashMap to avoid issues after compiling on Java 8
> --------------------------------------------------------------------------------------------------
>
> Key: QPID-6412
> URL: https://issues.apache.org/jira/browse/QPID-6412
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker, Java Client, Java Common
> Affects Versions: 0.32
> Reporter: Keith Wall
> Assignee: Alex Rudyy
> Fix For: 6.0 [Java]
>
>
> Java 8 redefines the method keySet() on ConcurrentHashMap to return a narrower type than the standard return type given in the Map interface. If the code is compiled in Java 8 and then run under Java 7 this causes linking issues.
> Avoid these issues by always declaring variables in terms of the interface ConcurrentMap
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