From 0e2f3d2f8b2b6f776477376e2fb0b0d2634159a7 Mon Sep 17 00:00:00 2001
From: Harald Musum <musum@yahooinc.com>
Date: Fri, 22 Oct 2021 13:07:52 +0200
Subject: Guard against no active session

Application might be removed adter getting all active applications
---
 .../java/com/yahoo/vespa/config/server/session/SessionRepository.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configserver/src/main/java/com/yahoo/vespa/config/server/session/SessionRepository.java b/configserver/src/main/java/com/yahoo/vespa/config/server/session/SessionRepository.java
index 083cb535bfa..0aeea5ce2d5 100644
--- a/configserver/src/main/java/com/yahoo/vespa/config/server/session/SessionRepository.java
+++ b/configserver/src/main/java/com/yahoo/vespa/config/server/session/SessionRepository.java
@@ -433,7 +433,8 @@ public class SessionRepository {
 
     private Optional<RemoteSession> loadSessionIfActive(RemoteSession session) {
         for (ApplicationId applicationId : applicationRepo.activeApplications()) {
-            if (applicationRepo.requireActiveSessionOf(applicationId) == session.getSessionId()) {
+            Optional<Long> activeSession = applicationRepo.activeSessionOf(applicationId);
+            if (activeSession.isPresent() && activeSession.get() == session.getSessionId()) {
                 log.log(Level.FINE, () -> "Found active application for session " + session.getSessionId() + " , loading it");
                 applicationRepo.activateApplication(ensureApplicationLoaded(session), session.getSessionId());
                 log.log(Level.INFO, session.logPre() + "Application activated successfully: " + applicationId + " (generation " + session.getSessionId() + ")");
-- 
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