zhaojigang 338ef96931 Recycler will produce npe error when multiple recycled at different thread ... Motivation: Recycler may produce a NPE when the same object is recycled multiple times from different threads. Modifications: - Check if the id has changed or if the Stack became null and if so throw an IllegalStateException - Add unit test Result: Fixes https://github.com/netty/netty/issues/8220.		2018-08-27 08:58:40 +02:00
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main	Recycler will produce npe error when multiple recycled at different thread	2018-08-27 08:58:40 +02:00
test	Recycler will produce npe error when multiple recycled at different thread	2018-08-27 08:58:40 +02:00