PAYARA-1762 fix race in boot of Payara Micro when multiple instances …

…initialising so member name not present (#1685)
payara · Jun 17, 2017 · 4b2c968 · 4b2c968
1 parent b28dc1f
commit 4b2c968
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/...odules/hazelcast-bootstrap/src/main/java/fish/payara/nucleus/hazelcast/HazelcastCore.java b/...odules/hazelcast-bootstrap/src/main/java/fish/payara/nucleus/hazelcast/HazelcastCore.java
@@ -322,8 +322,8 @@ private synchronized void bootstrapHazelcast() {
                     List<String> takenNames = new ArrayList<>();
                     for (com.hazelcast.core.Member member : clusterMembers) {
                         if (member != theInstance.getCluster().getLocalMember()
-                                && member.getStringAttribute(HazelcastCore.INSTANCE_GROUP_ATTRIBUTE).equalsIgnoreCase(
-                                        memberGroup)) {
+                                && member.getStringAttribute(HazelcastCore.INSTANCE_GROUP_ATTRIBUTE) != null 
+                                && member.getStringAttribute(HazelcastCore.INSTANCE_GROUP_ATTRIBUTE).equalsIgnoreCase(memberGroup)) {
                             takenNames.add(member.getStringAttribute(HazelcastCore.INSTANCE_ATTRIBUTE));
                         }
                     }