This ThreadLocalRandom is copy from JDK1.7，The reason for this is to be compatible with JDK1.6, otherwise Dubbo will not be able to run in JDK6. But newest Dubbo is require by JDK8，哈哈
[ Full content available at: https://github.com/apache/incubator-dubbo/pull/2439 ] This message was relayed via gitbox.apache.org for [email protected]
