Index: bin/logstash.lib.sh
--- bin/logstash.lib.sh.orig
+++ bin/logstash.lib.sh
@@ -41,10 +41,11 @@ else
   SOURCEPATH="$0"
 fi
 
-LOGSTASH_HOME="$(cd `dirname $SOURCEPATH`/..; pwd)"
+LS_JAVA_HOME="$(${TRUEPREFIX}/bin/javaPathHelper -h logstash)"
+LOGSTASH_HOME="${TRUEPREFIX}/logstash"
 export LOGSTASH_HOME
 export LS_HOME="${LOGSTASH_HOME}"
-SINCEDB_DIR="${LOGSTASH_HOME}"
+SINCEDB_DIR="${LOCALSTATEDIR}/logstash"
 export SINCEDB_DIR
 LOGSTASH_JARS=${LOGSTASH_HOME}/logstash-core/lib/jars
 JRUBY_HOME="${LOGSTASH_HOME}/vendor/jruby"