whitespace
diff --git a/heron/config/src/yaml/conf/aurora/heron.aurora b/heron/config/src/yaml/conf/aurora/heron.aurora
index b0a90c3..d52cb49 100644
--- a/heron/config/src/yaml/conf/aurora/heron.aurora
+++ b/heron/config/src/yaml/conf/aurora/heron.aurora
@@ -21,46 +21,46 @@
 )
 
 command_to_start_executor = \
-  '{{EXECUTOR_BINARY}}' \
-  '{{mesos.instance}}' \
-  '{{TOPOLOGY_NAME}}' \
-  '{{TOPOLOGY_ID}}' \
-  '{{TOPOLOGY_DEFINITION_FILE}}' \
-  '{{STATEMGR_CONNECTION_STRING}}' \
-  '{{STATEMGR_ROOT_PATH}}' \
-  '{{TMASTER_BINARY}}' \
-  '{{STMGR_BINARY}}' \
-  '"{{METRICSMGR_CLASSPATH}}"' \
-  '{{INSTANCE_JVM_OPTS_IN_BASE64}}' \
-  '"{{TOPOLOGY_CLASSPATH}}"' \
-  '{{thermos.ports[port1]}}' \
-  '{{thermos.ports[port2]}}' \
-  '{{thermos.ports[port3]}}' \
-  '{{SYSTEM_YAML}}' \
-  '{{COMPONENT_RAMMAP}}' \
-  '{{COMPONENT_JVM_OPTS_IN_BASE64}}' \
-  '{{TOPOLOGY_PACKAGE_TYPE}}' \
-  '{{TOPOLOGY_BINARY_FILE}}' \
-  '{{JAVA_HOME}}' \
-  '{{thermos.ports[http]}}' \
-  '{{SHELL_BINARY}}' \
-  '{{thermos.ports[port4]}}' \
-  '{{CLUSTER}}' \
-  '{{ROLE}}' \
-  '{{ENVIRON}}' \
-  '"{{INSTANCE_CLASSPATH}}"' \
-  '{{METRICS_YAML}}' \
-  '"{{SCHEDULER_CLASSPATH}}"' \
-  '"{{thermos.ports[scheduler]}}"' \
-  '{{PYTHON_INSTANCE_BINARY}}' \
-  '{{METRICSCACHEMGR_CLASSPATH}}' \
-  '{{thermos.ports[metricscachemgr_masterport]}}' \
-  '{{thermos.ports[metricscachemgr_statsport]}}' \
-  '{{IS_STATEFUL_ENABLED}}' \
-  '"{{CKPTMGR_CLASSPATH}}"' \
-  '{{thermos.ports[ckptmgr_port]}}' \
-  '{{STATEFUL_CONFIG_YAML}}' \
-  '{{HEALTHMGR_MODE}}' \
+  '{{EXECUTOR_BINARY}} ' \
+  '{{mesos.instance}} ' \
+  '{{TOPOLOGY_NAME}} ' \
+  '{{TOPOLOGY_ID}} ' \
+  '{{TOPOLOGY_DEFINITION_FILE}} ' \
+  '{{STATEMGR_CONNECTION_STRING}} ' \
+  '{{STATEMGR_ROOT_PATH}} ' \
+  '{{TMASTER_BINARY}} ' \
+  '{{STMGR_BINARY}} ' \
+  '"{{METRICSMGR_CLASSPATH}}" ' \
+  '{{INSTANCE_JVM_OPTS_IN_BASE64}} ' \
+  '"{{TOPOLOGY_CLASSPATH}}" ' \
+  '{{thermos.ports[port1]}} ' \
+  '{{thermos.ports[port2]}} ' \
+  '{{thermos.ports[port3]}} ' \
+  '{{SYSTEM_YAML}} ' \
+  '{{COMPONENT_RAMMAP}} ' \
+  '{{COMPONENT_JVM_OPTS_IN_BASE64}} ' \
+  '{{TOPOLOGY_PACKAGE_TYPE}} ' \
+  '{{TOPOLOGY_BINARY_FILE}} ' \
+  '{{JAVA_HOME}} ' \
+  '{{thermos.ports[http]}} ' \
+  '{{SHELL_BINARY}} ' \
+  '{{thermos.ports[port4]}} ' \
+  '{{CLUSTER}} ' \
+  '{{ROLE}} ' \
+  '{{ENVIRON}} ' \
+  '"{{INSTANCE_CLASSPATH}}" ' \
+  '{{METRICS_YAML}} ' \
+  '"{{SCHEDULER_CLASSPATH}}" ' \
+  '"{{thermos.ports[scheduler]}}" ' \
+  '{{PYTHON_INSTANCE_BINARY}} ' \
+  '{{METRICSCACHEMGR_CLASSPATH}} ' \
+  '{{thermos.ports[metricscachemgr_masterport]}} ' \
+  '{{thermos.ports[metricscachemgr_statsport]}} ' \
+  '{{IS_STATEFUL_ENABLED}} ' \
+  '"{{CKPTMGR_CLASSPATH}}" ' \
+  '{{thermos.ports[ckptmgr_port]}} ' \
+  '{{STATEFUL_CONFIG_YAML}} ' \
+  '{{HEALTHMGR_MODE}} ' \
   '{{HEALTHMGR_CLASSPATH}}'
 
 launch_heron_executor = Process(