Check for nonexistant git.properties

Change-Id: I1821416abb0387ee05b9add9f9c15798deed25d2
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1453
Reviewed-by: Michael Blow <mblow@apache.org>
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/PropertiesAccessor.java b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/PropertiesAccessor.java
index 492282c..1f503ec 100644
--- a/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/PropertiesAccessor.java
+++ b/asterixdb/asterix-common/src/main/java/org/apache/asterix/common/config/PropertiesAccessor.java
@@ -234,9 +234,14 @@
     private void loadAsterixBuildProperties() throws AsterixException {
         Properties gitProperties = new Properties();
         try {
-            gitProperties.load(getClass().getClassLoader().getResourceAsStream("git.properties"));
-            for (final String name : gitProperties.stringPropertyNames()) {
-                asterixBuildProperties.put(name, gitProperties.getProperty(name));
+            InputStream propertyStream = getClass().getClassLoader().getResourceAsStream("git.properties");
+            if (propertyStream != null) {
+                gitProperties.load(propertyStream);
+                for (final String name : gitProperties.stringPropertyNames()) {
+                    asterixBuildProperties.put(name, gitProperties.getProperty(name));
+                }
+            } else {
+                LOGGER.info("Build properties not found on classpath. Version API will return empty object");
             }
         } catch (IOException e) {
             throw new AsterixException(e);