commit 60e40007bd566384e1f29491acfa0d12562d95fa
author zhiyong ke <ke.zhiyong@zte.com.cn> Thu Apr 13 13:50:47 2017 +0800
committer Thomas Vachuska <tom@onlab.us> Thu May 11 22:29:21 2017 +0000
tree 0c5408a3f663d51dce33095d24067768e41ec16a
parent 34b7a493bac4aa79252fd49a739e69fbe3a8564e

modify the bug of https://jira.onosproject.org/browse/ONOS-6286

Change-Id: I3217ad91eb079a58fc270db121dbd5a2b6d120d9

core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java

diff --git a/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java b/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
index 706e286..631f755 100644
--- a/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
+++ b/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
@@ -197,6 +197,10 @@
                 version = conn.getLastModified();
                 metadata = mapper.readValue(conn.getInputStream(), ClusterMetadata.class);
             }
+            if (null == metadata) {
+                log.warn("Metadata is null in the function fetchMetadata");
+                throw new NullPointerException();
+            }
             return new Versioned<>(new ClusterMetadata(PROVIDER_ID,
                                                        metadata.getName(),
                                                        Sets.newHashSet(metadata.getNodes()),