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| author | Simon MacMullen <simon@rabbitmq.com> | 2013-04-17 10:41:20 +0100 |
|---|---|---|
| committer | Simon MacMullen <simon@rabbitmq.com> | 2013-04-17 10:41:20 +0100 |
| commit | b0f3b4eb229a975e657439f43948412134255e62 (patch) | |
| tree | 662db4851bd1c8cb9441e516d8e39a438eabbe89 | |
| parent | 04cda78c1cf636517bc84952445d4143d83730cf (diff) | |
| download | rabbitmq-server-git-b0f3b4eb229a975e657439f43948412134255e62.tar.gz | |
Explain why we are doing this.
| -rw-r--r-- | src/rabbit_mnesia.erl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/rabbit_mnesia.erl b/src/rabbit_mnesia.erl index 5d902b5ddf..95182a7c5c 100644 --- a/src/rabbit_mnesia.erl +++ b/src/rabbit_mnesia.erl @@ -793,6 +793,9 @@ check_beam_compatibility(RemoteHash) -> "Incompatible Erlang bytecode found on nodes"}} end. +%% The delegate module sends functions across the cluster; if it is +%% out of sync (say due to mixed compilers), we will get badfun +%% exceptions when trying to do so. Let's detect that at startup. delegate_beam_hash() -> DelegateBeamLocation = code:which(delegate), {ok, {delegate, Hash}} = beam_lib:md5(DelegateBeamLocation), |