diff options
| -rw-r--r-- | lib/observer/src/observer_wx.erl | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/observer/src/observer_wx.erl b/lib/observer/src/observer_wx.erl index 453e3bdc2d..fe51afa240 100644 --- a/lib/observer/src/observer_wx.erl +++ b/lib/observer/src/observer_wx.erl @@ -771,7 +771,11 @@ ensure_sasl_started(Node) -> ensure_mf_h_handler_used(Node) -> %% is log_mf_h used ? - Handlers = rpc:block_call(Node, gen_event, which_handlers, [error_logger]), + Handlers = + case rpc:block_call(Node, gen_event, which_handlers, [error_logger]) of + {badrpc,{'EXIT',noproc}} -> []; % OTP-21+ and no event handler exists + Hs -> Hs + end, case lists:any(fun(L)-> L == log_mf_h end, Handlers) of false -> throw("Error: log_mf_h handler not used in sasl."), error; |