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| author | Siri Hansen <[email protected]> | 2019-02-11 15:49:17 +0100 |
|---|---|---|
| committer | Siri Hansen <[email protected]> | 2019-02-11 15:49:17 +0100 |
| commit | 9f88ada0ac1d76aa96184c09f4e256038e92eb3b (patch) | |
| tree | 46a95c483a89108065c99bca59b4da2353d6e265 /lib/observer/src | |
| parent | 2b8a46f154fb411c47262eb1c439a912d1fc8fd5 (diff) | |
| parent | 00edd430ab158c34ac4a344b93cf46cd8d4912b1 (diff) | |
| download | otp-9f88ada0ac1d76aa96184c09f4e256038e92eb3b.tar.gz otp-9f88ada0ac1d76aa96184c09f4e256038e92eb3b.tar.bz2 otp-9f88ada0ac1d76aa96184c09f4e256038e92eb3b.zip | |
Merge branch 'siri/observer/crash-toggle-log-view/OTP-15553' into maint
* siri/observer/crash-toggle-log-view/OTP-15553:
[observer] Don't crash on Log > Toggle Log View
Diffstat (limited to 'lib/observer/src')
| -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; |