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Posted to commits@ratis.apache.org by sz...@apache.org on 2020/11/25 00:59:38 UTC

[incubator-ratis] branch master updated: RATIS-1177. NPE when RaftServerJmxAdapter queries getLeaderId. (#297)

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szetszwo pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-ratis.git


The following commit(s) were added to refs/heads/master by this push:
     new 3b8f66d  RATIS-1177. NPE when RaftServerJmxAdapter queries getLeaderId. (#297)
3b8f66d is described below

commit 3b8f66d339f90be9be27ff358af90d17962e0a68
Author: Hanisha Koneru <ha...@apache.org>
AuthorDate: Tue Nov 24 16:59:29 2020 -0800

    RATIS-1177. NPE when RaftServerJmxAdapter queries getLeaderId. (#297)
---
 .../src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java b/ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java
index efe0aa8..73ad4fc 100644
--- a/ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java
+++ b/ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java
@@ -1622,7 +1622,12 @@ public class RaftServerImpl implements RaftServer.Division,
 
     @Override
     public String getLeaderId() {
-      return getState().getLeaderId().toString();
+      RaftPeerId leaderId = getState().getLeaderId();
+      if (leaderId != null) {
+        return leaderId.toString();
+      } else {
+        return null;
+      }
     }
 
     @Override