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Fix npe in zone aware invoker (#9851)

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GuoHao 2022-03-29 13:59:18 +08:00 committed by GitHub
parent feb1792b63
commit 29becdc22a
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dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/support/registry/ZoneAwareClusterInvoker.java
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@ -100,7 +100,7 @@ public class ZoneAwareClusterInvoker<T> extends AbstractClusterInvoker<T> {
// load balance among all registries, with registry weight count in.
Invoker<T> balancedInvoker = select(loadbalance, invocation, invokers, null);
if (balancedInvoker.isAvailable()) {
if (balancedInvoker!=null && balancedInvoker.isAvailable()) {
return balancedInvoker.invoke(invocation);
}