[qa] Stop other nodes, even when one fails to stop

qa/rpc-tests/test_framework/util.py

@@ -16,6 +16,7 @@ from binascii import hexlify, unhexlify
 from base64 import b64encode
 from decimal import Decimal, ROUND_DOWN
 import json
+import http.client
 import random
 import shutil
 import subprocess
@@ -316,13 +317,19 @@ def log_filename(dirname, n_node, logname):
     return os.path.join(dirname, "node"+str(n_node), "regtest", logname)
 
 def stop_node(node, i):
-    node.stop()
+    try:
+        node.stop()
+    except http.client.CannotSendRequest as e:
+        print("WARN: Unable to stop node: " + repr(e))
     bitcoind_processes[i].wait()
     del bitcoind_processes[i]
 
 def stop_nodes(nodes):
     for node in nodes:
-        node.stop()
+        try:
+            node.stop()
+        except http.client.CannotSendRequest as e:
+            print("WARN: Unable to stop node: " + repr(e))
     del nodes[:] # Emptying array closes connections as a side effect
 
 def set_node_times(nodes, t):