diff --git a/c_src/bdberl_drv.c b/c_src/bdberl_drv.c
index 570f53b..721f3e2 100644
--- a/c_src/bdberl_drv.c
+++ b/c_src/bdberl_drv.c
@@ -321,9 +321,8 @@ DRIVER_INIT(bdberl_drv)
             // cleanup and set the environment to zero. Attempts to open ports will
             // fail and the user will have to sort out how to resolve the issue.
             DBG("G_DB_ENV->close(%p, 0);", &G_DB_ENV);
-            G_DB_ENV_ERROR = G_DB_ENV->close(G_DB_ENV, 0);
+            G_DB_ENV->close(G_DB_ENV, 0);
             G_DB_ENV = 0;
-            DBG(" = %d\n", G_DB_ENV_ERROR);
         }
     }
 
diff --git a/c_src/bdberl_tpool.c b/c_src/bdberl_tpool.c
index 4f4f3a0..22a1535 100644
--- a/c_src/bdberl_tpool.c
+++ b/c_src/bdberl_tpool.c
@@ -378,7 +378,7 @@ void bdberl_tpool_thread_id(DB_ENV *env, pid_t *pid, db_threadid_t *tid)
 
 char *bdberl_tpool_thread_id_string(DB_ENV *dbenv, pid_t pid, db_threadid_t tid, char *buf)
 {
-    snprintf(buf, DB_THREADID_STRLEN, "%d/%p", pid, tid);
+    snprintf(buf, DB_THREADID_STRLEN, "%d/%p", (unsigned int)pid, (void *)tid);
     return buf;
 }
 
diff --git a/c_src/configure_bdb.sh b/c_src/configure_bdb.sh
index 40cb38f..ba1f075 100755
--- a/c_src/configure_bdb.sh
+++ b/c_src/configure_bdb.sh
@@ -2,7 +2,8 @@
 
 cd $1/build_unix && \
     ../dist/configure --disable-shared --enable-static --with-pic \
-        --disable-heap --disable-queue \
-        --disable-partition --disable-replication \
-        --enable-o_direct \
+        --disable-heap --disable-queue --disable-replication \
+        --enable-o_direct --enable-o_direct \
+        --enable-debug --enable-diagnostics \
+        --enable-dtrace \
         --prefix=$2
diff --git a/src/bdberl.erl b/src/bdberl.erl
index 50cd7b7..3319ca0 100644
--- a/src/bdberl.erl
+++ b/src/bdberl.erl
@@ -105,7 +105,7 @@
 %% @spec open(Name, Type) -> {ok, Db} | {error, Error}
 %% where
 %%    Name = string()
-%%    Type = btree | hash
+%%    Type = btree | hash | queue
 %%    Db = integer()
 %%
 %% @equiv open(Name, Type, [create])
@@ -273,7 +273,7 @@ close(Db, Opts) ->
 -spec txn_begin() -> ok | db_error().
 
 txn_begin() ->
-    txn_begin([txn_snapshot]).
+    txn_begin([]).
 
 
 %%--------------------------------------------------------------------
@@ -596,7 +596,7 @@ transaction(Fun, Retries, TimeLeft, Opts) ->
                     transaction(Fun, R, T, Opts);
 
                 _ : Reason ->
-                    lager:info("function threw non-lock error - ~p", [Reason]),
+                    lager:info("function threw non-lock error - ~p", [{Reason, erlang:get_stacktrace()}]),
                     ok = txn_abort(),
                     {error, {transaction_failed, Reason}}
             end;
@@ -834,7 +834,7 @@ put_commit_r(Db, Key, Value, Opts) ->
 %% @end
 %%--------------------------------------------------------------------
 -spec get(Db :: db(), Key :: db_key()) ->
-    not_found | {ok, db_ret_value()} | db_error().
+    not_found | {ok, db_ret_value()} | {error, db_error()}.
 
 get(Db, Key) ->
     get(Db, Key, []).
@@ -885,7 +885,7 @@ get(Db, Key) ->
 %% @end
 %%--------------------------------------------------------------------
 -spec get(Db :: db(), Key :: db_key(), Opts :: db_flags()) ->
-    not_found | {ok, db_ret_value()} | db_error().
+    not_found | {ok, db_ret_value()} | {error, db_error()}.
 
 get(Db, Key, Opts) ->
     {KeyLen, KeyBin} = to_binary(Key),
@@ -964,8 +964,6 @@ get_r(Db, Key, Opts) ->
     end.
 
 
-
-
 %%--------------------------------------------------------------------
 %% @doc
 %% Delete a value based on key.