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Posted to commits@hbase.apache.org by ap...@apache.org on 2019/01/22 02:00:38 UTC

[hbase] branch branch-2 updated: HBASE-21749 RS UI may throw NPE and make rs-status page inaccessible with multiwal and replication

This is an automated email from the ASF dual-hosted git repository.

apurtell pushed a commit to branch branch-2
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2 by this push:
     new 5b99a34  HBASE-21749 RS UI may throw NPE and make rs-status page inaccessible with multiwal and replication
5b99a34 is described below

commit 5b99a34a31df398085b42629c42053a2a55d1ce7
Author: Nihal Jain <ni...@gmail.com>
AuthorDate: Mon Jan 21 12:50:50 2019 +0530

    HBASE-21749 RS UI may throw NPE and make rs-status page inaccessible with multiwal and replication
    
    Signed-off-by: Andrew Purtell <ap...@apache.org>
---
 .../hbase/replication/regionserver/ReplicationSource.java | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
index 04a54e0..8dd8568 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
@@ -325,11 +325,16 @@ public class ReplicationSource implements ReplicationSourceInterface {
       replicationDelay =
           ReplicationLoad.calculateReplicationDelay(ageOfLastShippedOp, lastTimeStamp, queueSize);
       Path currentPath = shipper.getCurrentPath();
-      try {
-        fileSize = getFileSize(currentPath);
-      } catch (IOException e) {
-        LOG.warn("Ignore the exception as the file size of HLog only affects the web ui", e);
-        fileSize = -1;
+      fileSize = -1;
+      if (currentPath != null) {
+        try {
+          fileSize = getFileSize(currentPath);
+        } catch (IOException e) {
+          LOG.warn("Ignore the exception as the file size of HLog only affects the web ui", e);
+        }
+      } else {
+        currentPath = new Path("NO_LOGS_IN_QUEUE");
+        LOG.warn("No replication ongoing, waiting for new log");
       }
       ReplicationStatus.ReplicationStatusBuilder statusBuilder = ReplicationStatus.newBuilder();
       statusBuilder.withPeerId(this.getPeerId())