On master, reported on IRC, appveyor and travis (macos):
Example backtrace:
0wallet_multiwallet.py --usecli failed, Duration: 56 s
1stdout:
22018-12-10T19:52:57.293000Z TestFramework (INFO): Initializing test directory C:\Users\appveyor\AppData\Local\Temp\1\test_runner_20181210_194416\wallet_multiwallet_70
32018-12-10T19:53:18.569000Z TestFramework (INFO): Do not allow -zapwallettxes with multiwallet
42018-12-10T19:53:19.332000Z TestFramework (INFO): Do not allow -salvagewallet with multiwallet
52018-12-10T19:53:19.839000Z TestFramework (INFO): Do not allow -upgradewallet with multiwallet
62018-12-10T19:53:32.857000Z TestFramework (INFO): Check for per-wallet settxfee call
72018-12-10T19:53:33.296000Z TestFramework (INFO): Test dynamic wallet loading
82018-12-10T19:53:36.907000Z TestFramework (INFO): Load first wallet
92018-12-10T19:53:37.476000Z TestFramework (INFO): Load second wallet
102018-12-10T19:53:38.049000Z TestFramework (INFO): Load remaining wallets
112018-12-10T19:53:41.485000Z TestFramework (INFO): Test dynamic wallet creation.
122018-12-10T19:53:43.012000Z TestFramework (INFO): Test dynamic wallet unloading
132018-12-10T19:53:47.773000Z TestFramework (INFO): Test wallet backup
142018-12-10T19:53:52.517000Z TestFramework (ERROR): JSONRPC error
15Traceback (most recent call last):
16 File "C:\projects\bitcoin\test\functional\test_framework\test_framework.py", line 173, in main
17 self.run_test()
18 File "C:\projects\bitcoin/test/functional/wallet_multiwallet.py", line 315, in run_test
19 self.nodes[0].loadwallet(wallet_name)
20 File "C:\projects\bitcoin\test\functional\test_framework\test_node.py", line 400, in __call__
21 return self.cli.send_cli(self.command, *args, **kwargs)
22 File "C:\projects\bitcoin\test\functional\test_framework\test_node.py", line 453, in send_cli
23 raise JSONRPCException(dict(code=int(code), message=message))
24test_framework.authproxy.JSONRPCException: Wallet file verification failed: Error loading wallet w2. Duplicate -wallet filename specified. (-4)
