Fix

src/rest-server/src/templates/yarnContainerScript.mustache

@@ -47,15 +47,15 @@ function exit_handler()
   docker logs $docker_name
   docker inspect $docker_name
   pid=$(docker inspect --format={{{ inspectPidFormat }}} $docker_name 2>/dev/null)
-  if [ $pid ]; then
+  if [ $pid -gt 0 ]; then
     kill -9 $pid &&\
       debug_log "$handler" "docker caontainer $docker_name killed successfully." ||\
       debug_log "$handler" "tries to kill the container $docker_name but failed. Maybe it has already exited."
   else
     debug_log "$handler" "docker container $docker_name has already exited"
     is_oom=$(docker inspect --format={{{ inspectOOMKilledFormat }}} $docker_name 2>/dev/null)
     debug_log "$handler" "docker container $docker_name is exited by OOM? $is_oom"
-    if [ "$is_oom" -eq "true" ]; then
+    if [ "$is_oom" = "true" ]; then
       is_cgroup_oom=$(dmesg | grep "Memory cgroup out of memory: Kill $docker_pid")
       debug_log "$handler" "docker container $docker_name is exited by cgroup OOM? $is_cgroup_oom"
       if [ -n "$is_cgroup_oom" ]; then
@@ -323,4 +323,4 @@ docker_pid=$(docker inspect --format "{{{ inspectPidFormat }}}" $docker_name)
 
 echo "Docker container pid is $docker_pid"
 
-docker attach $docker_name
+docker attach --no-stdin $docker_name