1 files changed, 3 insertions, 0 deletions

diff --git a/main/src/main/java/org/onap/policy/api/main/rest/CommonRestController.java b/main/src/main/java/org/onap/policy/api/main/rest/CommonRestController.java
index eadd8d34..d105058e 100644
--- a/main/src/main/java/org/onap/policy/api/main/rest/CommonRestController.java
+++ b/main/src/main/java/org/onap/policy/api/main/rest/CommonRestController.java
@@ -26,6 +26,7 @@ package org.onap.policy.api.main.rest;
 

 import java.util.Objects;

 import java.util.UUID;

+import java.util.concurrent.Semaphore;

 import org.onap.policy.api.main.exception.PolicyApiRuntimeException;

 import org.onap.policy.common.utils.coder.Coder;

 import org.onap.policy.common.utils.coder.CoderException;

@@ -42,6 +43,8 @@ import org.springframework.web.context.request.WebRequest;
  */

 public class CommonRestController {

 

+    protected static Semaphore mutex = new Semaphore(1);

+

     private static final Logger LOGGER = LoggerFactory.getLogger(CommonRestController.class);

 

     protected static final String EXTENSION_NAME = "interface info";