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The following commit(s) were added to refs/heads/master by this push: new 1bcd921 [Dubbo-4716] Fix judgment ipv4 address (#4729) 1bcd921 is described below commit 1bcd9217376d28650a60080efb9ce7eab849740f Author: windWheel <1817802...@qq.com> AuthorDate: Wed Aug 7 21:28:23 2019 +0800 [Dubbo-4716] Fix judgment ipv4 address (#4729) * Fix judgment ipv4 address --- .../java/org/apache/dubbo/registry/multicast/MulticastRegistry.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dubbo-registry/dubbo-registry-multicast/src/main/java/org/apache/dubbo/registry/multicast/MulticastRegistry.java b/dubbo-registry/dubbo-registry-multicast/src/main/java/org/apache/dubbo/registry/multicast/MulticastRegistry.java index 0c28445..01d8801 100644 --- a/dubbo-registry/dubbo-registry-multicast/src/main/java/org/apache/dubbo/registry/multicast/MulticastRegistry.java +++ b/dubbo-registry/dubbo-registry-multicast/src/main/java/org/apache/dubbo/registry/multicast/MulticastRegistry.java @@ -150,7 +150,7 @@ public class MulticastRegistry extends FailbackRegistry { private void checkMulticastAddress(InetAddress multicastAddress) { if (!multicastAddress.isMulticastAddress()) { String message = "Invalid multicast address " + multicastAddress; - if (!(multicastAddress instanceof Inet4Address)) { + if (multicastAddress instanceof Inet4Address) { throw new IllegalArgumentException(message + ", " + "ipv4 multicast address scope: 224.0.0.0 - 239.255.255.255."); } else {