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ISPN-14190 NullPointerException when computing Netty global connections #10366

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merged 1 commit into from Oct 3, 2022
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ISPN-14190 NullPointerException when computing Netty global connections #10366

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10 changes: 9 additions & 1 deletion ...ore/src/main/java/org/infinispan/server/core/transport/NettyTransportConnectionStats.java
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Expand Up @@ -89,7 +89,15 @@ static class ConnectionAdderTask implements Function<EmbeddedCacheManager, Integ

@Override
public Integer apply(EmbeddedCacheManager embeddedCacheManager) {
return SecurityActions.getGlobalComponentRegistry(embeddedCacheManager).getComponent(ProtocolServer.class, serverName).getTransport().getNumberOfLocalConnections();
ProtocolServer<?> protocolServer = SecurityActions.getGlobalComponentRegistry(embeddedCacheManager)
.getComponent(ProtocolServer.class, serverName);
// protocol server not registered; so no connections are open.
if (protocolServer == null) {
return 0;
}
Transport transport = protocolServer.getTransport();
// check if the transport is up; otherwise no connections are open
return transport == null ? 0 : transport.getNumberOfLocalConnections();
}

public static class Externalizer implements org.infinispan.commons.marshall.Externalizer<ConnectionAdderTask> {
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