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https://issues.apache.org/jira/browse/FLEX-34980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15210301#comment-15210301
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Christofer Dutz commented on FLEX-34980:
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Ok so this is sort of ugly ... Oracle changed the return type of keySet to
something only available to Java 8.
Well I think the only option would be to re-release BlazeDS and this time I
would have to make sure to build it with Jdk 1.7 or 1.6.
Is this problem just an inconvenience, or is it currently a blocker for you?
> NoSuchMethodError on Java 7
> ---------------------------
>
> Key: FLEX-34980
> URL: https://issues.apache.org/jira/browse/FLEX-34980
> Project: Apache Flex
> Issue Type: Bug
> Components: BlazeDS
> Environment: JDK 7u80
> Reporter: Tweea Tang
> Assignee: Christofer Dutz
> Priority: Critical
>
> I write a test case:
> @Test
> public void test() {
> FlexSessionManager manager = new FlexSessionManager(
> new MessageBroker());
> manager.start();
> manager.stop();
> }
> And run it with BlazeDS 4.7.2
> Then the result:
> java.lang.NoSuchMethodError:
> java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
> at flex.messaging.FlexSessionManager.stop(FlexSessionManager.java:293)
> at org.springframework.flex.config.TheTest.test(TheTest.java:30)
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