[ConfigFetchFromCbs] Fix bug of cbs that fetch configs getting hung when

policy engine is empty

Issue-ID: DCAEGEN2-3242
Signed-off-by: qingshuting <qingshuting1@huawei.com>
Change-Id: I21307291c182e3681ba864afc5a6a6f7eb5a8add

4 files changed, 16 insertions, 6 deletions

diff --git a/Changelog.md b/Changelog.md
index 770d5b2..7146bc7 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.1.10] - 2022/09/13
+         - [DCAEGEN2-3242](https://jira.onap.org/browse/DCAEGEN2-3242) - Fix bug in ConfigFectchFromCbs that fetch will get hung when policy config in pdp engine is empty
+
 ## [2.1.9] - 2022/09/01
          - [DCAEGEN2-3148](https://jira.onap.org/browse/DCAEGEN2-3148) - Modify payload for ANR closedloop to align with A1 based action
 
diff --git a/pom.xml b/pom.xml
index 601d19b..ab4712f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,6 +5,7 @@
  *  son-handler
  *  ================================================================================
  *   Copyright (C) 2019-2022 Wipro Limited.
+ *   Copyright (C) 2022 Huawei Technologies Co., Ltd.
  *   ==============================================================================
  *     Licensed under the Apache License, Version 2.0 (the "License");
  *     you may not use this file except in compliance with the License.
@@ -27,7 +28,7 @@
         <groupId>org.onap.dcaegen2.services.son-handler</groupId>
         <artifactId>son-handler</artifactId>
         <name>dcaegen2-services-son-handler</name>
-        <version>2.1.9-SNAPSHOT</version>
+        <version>2.1.10-SNAPSHOT</version>
 
        <!--parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId>
                 <version>2.0.4.RELEASE</version> </parent -->
diff --git a/src/main/java/org/onap/dcaegen2/services/sonhms/controller/ConfigFetchFromCbs.java b/src/main/java/org/onap/dcaegen2/services/sonhms/controller/ConfigFetchFromCbs.java
index afd5092..41f00a9 100644
--- a/src/main/java/org/onap/dcaegen2/services/sonhms/controller/ConfigFetchFromCbs.java
+++ b/src/main/java/org/onap/dcaegen2/services/sonhms/controller/ConfigFetchFromCbs.java
@@ -3,6 +3,7 @@
  *  son-handler
  *  ================================================================================
  *   Copyright (C) 2019-2021 Wipro Limited.
+ *   Copyright (C) 2022 Huawei Technologies Co., Ltd.
  *   ==============================================================================
  *     Licensed under the Apache License, Version 2.0 (the "License");
  *     you may not use this file except in compliance with the License.
@@ -93,11 +94,15 @@ public class ConfigFetchFromCbs implements Runnable {
                     Type mapType = new TypeToken<Map<String, Object>>() {
                     }.getType();
                     if (jsonObject.getAsJsonObject("policies") != null) {
-                        JsonObject policyJson = jsonObject.getAsJsonObject("policies").getAsJsonArray("items").get(0)
+                        if(jsonObject.getAsJsonObject("policies").getAsJsonArray("items").size() == 0) {
+                            log.error("No policy in policy drool pdp engine, nothing to update.");
+                        } else {
+                            JsonObject policyJson = jsonObject.getAsJsonObject("policies").getAsJsonArray("items").get(0)
                                 .getAsJsonObject().getAsJsonObject("config");
-                        Map<String, Object> policy = new Gson().fromJson(policyJson, mapType);
-                        configPolicy.setConfig(policy);
-                        log.info("Config policy {}", configPolicy);
+                            Map<String, Object> policy = new Gson().fromJson(policyJson, mapType);
+                            configPolicy.setConfig(policy);
+                            log.info("Config policy {}", configPolicy);
+                        }
                     }
                 }, throwable -> log.warn("Ooops", throwable));
     }
diff --git a/version.properties b/version.properties
index 27dd1a8..bc9110f 100644
--- a/version.properties
+++ b/version.properties
@@ -3,6 +3,7 @@
 #  son-handler
 #  ================================================================================
 #   Copyright (C) 2019-2022 Wipro Limited.
+#   Copyright (C) 2022 Huawei Technologies Co., Ltd.
 #   ==============================================================================
 #     Licensed under the Apache License, Version 2.0 (the "License");
 #     you may not use this file except in compliance with the License.
@@ -20,7 +21,7 @@
 ###############################################################################
 major=2
 minor=1
-patch=9
+patch=10
 base_version=${major}.${minor}.${patch}
 release_version=${base_version}
 snapshot_version=${base_version}-SNAPSHOT