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java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;

Description

Got this exception running current openfire master with Oracle JSDK 1.7, rebooted with java 1.8 and are happy

Environment

None

is related to

Activity

Daryl Herzmann November 2, 2015 at 11:37 AM

Ah, okay thanks. Closing as not a bug.

csh November 2, 2015 at 9:15 AM

This is a "cross-compile" issue. You compiled Openfire with Java 8, but ran it with Java 7, which is generally a bad idea. (More issues like this could popup at runtime).

Is it possible to build Openfire with Java 7?

More on it here:
https://gist.github.com/AlainODea/1375759b8720a3f9f094

Not a bug

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Created October 30, 2015 at 3:57 AM
Updated March 22, 2016 at 1:06 AM
Resolved November 2, 2015 at 11:37 AM