From f9ab99539958e0daba8dbb114e03daf4373354f7 Mon Sep 17 00:00:00 2001
From: Henning Baldersheim <balder@yahoo-inc.com>
Date: Wed, 10 Mar 2021 21:34:22 +0100
Subject: Add debug logging to shutdown

---
 .../java/com/yahoo/vespa/config/proxy/RpcConfigSourceClient.java  | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/RpcConfigSourceClient.java b/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/RpcConfigSourceClient.java
index 095bde76c39..3b9b101a8c6 100644
--- a/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/RpcConfigSourceClient.java
+++ b/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/RpcConfigSourceClient.java
@@ -179,9 +179,13 @@ class RpcConfigSourceClient implements ConfigSourceClient, Runnable {
 
     @Override
     public void cancel() {
+        log.log(Level.FINE, "shutdownSourceConnections");
         shutdownSourceConnections();
+        log.log(Level.FINE, "delayedResponsesFuture.cancel");
         delayedResponsesFuture.cancel(true);
+        log.log(Level.FINE, "delayedResponsesFuture.shutdownNow");
         delayedResponsesScheduler.shutdownNow();
+        log.log(Level.FINE, "supervisor.transport().shutdown().join()");
         supervisor.transport().shutdown().join();
     }
 
@@ -190,10 +194,14 @@ class RpcConfigSourceClient implements ConfigSourceClient, Runnable {
      */
     @Override
     public void shutdownSourceConnections() {
+        log.log(Level.FINE, "Subscriber::cancel");
         activeSubscribers.values().forEach(Subscriber::cancel);
         activeSubscribers.clear();
+        log.log(Level.FINE, "nextConfigFuture.cancel");
         nextConfigFuture.cancel(true);
+        log.log(Level.FINE, "nextConfigScheduler.shutdownNow");
         nextConfigScheduler.shutdownNow();
+        log.log(Level.FINE, "requester.close");
         requester.close();
     }
 
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