After a crash jabberd refuses to run if a pidfile exists.
	The patch below checks if a process with the pid contained
	in jabber.pid is running and removes the file if not.

Fix: 

-- /usr/local/etc/rc.d/jabberd.sh.orig      Thu Oct  7 11:54:28 2004
+++ /usr/local/etc/rc.d/jabberd.sh  Tue Jan  4 16:04:59 2005
@@ -19,8 +19,19 @@

 case ${1:-start} in
 start)
-    su -f -m ${USER} -c "jabberd -B -h ${HOSTNAME} -c ${PREFIX}/etc/jabber.xml" ;;
+    if [ -f jabber.pid ]; then
+        pid=`cat jabber.pid`
+        if [ ! -z "$pid" ] && kill -0 -- "$pid"; then
+            echo "A pidfile already exists at the specified location."
+            echo "Check to ensure another copy of the server is not running, or remove the existing file."
+            exit 1
+        fi

+        rm -f ${RUNDIR}/jabber.pid;
+    fi
+
+    su -f -m ${USER} -c "jabberd -B -h ${HOSTNAME} -c ${PREFIX}/etc/jabber.xml"
+    ;;
 stop)
     killall -SIGKILL -u ${USER} jabberd;
     rm -f ${RUNDIR}/jabber.pid;
How-To-Repeat: 
	# [machine crashes, jabberd dies, `killall jabberd`]
	/usr/local/etc/rc.d/jabberd.sh start
	# jabberd fails to start