2016-05-18 23:40:47.128 [info] <0.38.0>@cyrsasl_digest:start:60 FQDN used to check DIGEST-MD5 SASL authentication: jenkins-dev.last-bastion.net
2016-05-18 23:40:47.154 [error] <0.392.0> Can't open file "/usr/lib64/erlang/lib/ejabberd/priv/bin/epam": enoent
2016-05-18 23:40:47.154 [error] <0.392.0> CRASH REPORT Process epam with 0 neighbours exited with reason: bad return value: error in gen_server:init_it/6 line 356
2016-05-18 23:40:47.154 [error] <0.391.0> Supervisor epam_sup had child epam started with epam:start_link() at undefined exit with reason bad return value: error in context start_error
2016-05-18 23:40:47.154 [error] <0.389.0> CRASH REPORT Process <0.389.0> with 0 neighbours exited with reason: {{shutdown,{failed_to_start_child,epam,{bad_return_value,error}}},{epam_app,start,[normal,[]]}} in application_master:init/4 line 134
2016-05-18 23:40:47.154 [critical] <0.38.0>@ejabberd:exit_or_halt:133 failed to start application 'p1_pam': {error,
                                       {{shutdown,
                                         {failed_to_start_child,epam,
                                          {bad_return_value,error}}},
                                        {epam_app,start,[normal,[]]}}}
2016-05-18 23:40:47.155 [info] <0.7.0> Application p1_pam exited with reason: {{shutdown,{failed_to_start_child,epam,{bad_return_value,error}}},{epam_app,start,[normal,[]]}}

    $ tree -p /usr/lib64/erlang/lib/p1_pam-1.0.0
    /usr/lib64/erlang/lib/p1_pam-1.0.0
    ├── [drwxr-xr-x]  ebin
    │   ├── [-rw-r--r--]  epam_app.beam
    │   ├── [-rw-r--r--]  epam.beam
    │   ├── [-rw-r--r--]  epam_sup.beam
    │   └── [-rw-r--r--]  p1_pam.app
    └── [drwxr-xr-x]  priv
        └── [drwxr-xr-x]  bin
            └── [-rwxr-xr-x]  epam

    3 directories, 5 files

From 519551454c749f8c6ea1b1fd1fcbdc268cf6bb27 Mon Sep 17 00:00:00 2001
From: Randy Barlow <[email protected]>
Date: Sun, 22 May 2016 12:43:46 -0400
Subject: [PATCH] Load epam from the package's own path rather than ejabberd.

---
 src/epam.erl | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/src/epam.erl b/src/epam.erl
index bdb331e..5919877 100644
--- a/src/epam.erl
+++ b/src/epam.erl
@@ -140,14 +140,9 @@ handle_cast(_Msg, State) -> {noreply, State}.
 code_change(_OldVsn, State, _Extra) -> {ok, State}.

 get_bin_path() ->
-    case os:getenv("EJABBERD_BIN_PATH") of
-       false ->
-           case code:priv_dir(p1_pam) of
-               {error, _} ->
-                    filename:join(["priv", "bin"]);
-               Path ->
-                   filename:join([Path, "bin"])
-           end;
-       Path ->
-           Path
+    case code:priv_dir(p1_pam) of
+    {error, _} ->
+                filename:join(["priv", "bin"]);
+    Path ->
+        filename:join([Path, "bin"])
     end.
-- 
2.8.3

$ ./configure
...
config.status: error: cannot find input file: `vars.config.in'

$ grep 'p1_pam' -rH .
./src/epam.erl:     case code:priv_dir(p1_pam) of