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forward compatbility for DCS (#4442)

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吴晟 Wu Sheng 2020-03-04 17:28:53 +08:00 committed by GitHub
parent d32450aa7d
commit b6f7dce8c7
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oap-server/server-configuration/grpc-configuration-sync/src/main/java/org/apache/skywalking/oap/server/configuration/grpc/GRPCConfigWatcherRegister.java
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@ -57,7 +57,7 @@ public class GRPCConfigWatcherRegister extends ConfigWatcherRegister {
}
ConfigurationResponse response = stub.call(builder.build());
String responseUuid = response.getUuid();
if (Objects.equals(uuid, responseUuid)) {
if (responseUuid != null && Objects.equals(uuid, responseUuid)) {
// If UUID matched, the config table is expected as empty.
return Optional.empty();
}