Nihal Jain created HBASE-21749:
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Summary: RS UI may throw NPE and make rs-status page inaccessible
with multiwal and replication
Key: HBASE-21749
URL: https://issues.apache.org/jira/browse/HBASE-21749
Project: HBase
Issue Type: Bug
Components: Replication, UI
Reporter: Nihal Jain
Assignee: Nihal Jain
Sometimes RS UI is unable to open as we get a NPE; This happens because
{{shipper.getCurrentPath()}} may return null.
We should have a null check @
[ReplicationSource.java#L331|https://github.com/apache/hbase/blob/a2f6768acdc30b789c7cb8482b9f4352803f60a1/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java#L331]
{code:java}
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;
}{code}
!0b8e95c7-6715-42bf-88d2-b2edc9215022.png!
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