From 35f6de9c50f072aa39b4ee2b66a2136378d867e5 Mon Sep 17 00:00:00 2001
From: Chris Rankin <chris.rankin@r3.com>
Date: Tue, 25 Apr 2017 10:41:32 +0100
Subject: [PATCH] Ignore any unsubscribe exception when closing DemoBench tab.
 (#579)

E.g. the node may already have exited and closed the RPC session.
---
 .../kotlin/net/corda/demobench/views/NodeTerminalView.kt     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/demobench/src/main/kotlin/net/corda/demobench/views/NodeTerminalView.kt b/tools/demobench/src/main/kotlin/net/corda/demobench/views/NodeTerminalView.kt
index decd35c5fd..2f25b561dc 100644
--- a/tools/demobench/src/main/kotlin/net/corda/demobench/views/NodeTerminalView.kt
+++ b/tools/demobench/src/main/kotlin/net/corda/demobench/views/NodeTerminalView.kt
@@ -211,7 +211,10 @@ class NodeTerminalView : Fragment() {
 
     fun destroy() {
         if (!isDestroyed) {
-            subscriptions.forEach { it.unsubscribe() }
+            subscriptions.forEach {
+                // Don't allow any exceptions here to halt tab destruction.
+                try { it.unsubscribe() } catch (e: Exception) {}
+            }
             webServer.close()
             explorer.close()
             viewer.close()