fix gdb cmd
diff --git a/heron/shell/src/python/handlers/killexecutorhandler.py b/heron/shell/src/python/handlers/killexecutorhandler.py
index de0035b..6484da2 100644
--- a/heron/shell/src/python/handlers/killexecutorhandler.py
+++ b/heron/shell/src/python/handlers/killexecutorhandler.py
@@ -40,7 +40,7 @@
status_finish(200)
try:
logger.info("Print stmgr backtrace to ./stmgr.bt")
- cmd = 'timeout 3 gdb -batch -ex "thread apply all bt" -p `cat stmgr-1.pid` 2&>1 > stmgr.bt'
+ cmd = 'timeout 3 gdb -batch -ex "thread apply all bt" -p `cat stmgr-*.pid` 2&>1 > stmgr.bt'
subprocess.call(cmd, shell=True)
except Exception:
logger.warning("Exception: ")