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Fix NPE in transport service.

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This commit is contained in:
Igor Kulikov 2019-07-18 19:34:27 +03:00
parent fd1552a294
commit 4e71935d27
1 changed files with 1 additions and 1 deletions
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2
common/transport/transport-api/src/main/java/org/thingsboard/server/common/transport/service/AbstractTransportService.java
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@ -200,7 +200,7 @@ public abstract class AbstractTransportService implements TransportService {
@Override @Override
public void deregisterSession(TransportProtos.SessionInfoProto sessionInfo) { public void deregisterSession(TransportProtos.SessionInfoProto sessionInfo) {
SessionMetaData currentSession = sessions.get(toId(sessionInfo)); SessionMetaData currentSession = sessions.get(toId(sessionInfo));
if (currentSession.hasScheduledFuture()) { if (currentSession != null && currentSession.hasScheduledFuture()) {
log.debug("Stopping scheduler to avoid resending response if request has been ack."); log.debug("Stopping scheduler to avoid resending response if request has been ack.");
currentSession.getScheduledFuture().cancel(false); currentSession.getScheduledFuture().cancel(false);
} }