[HBASE-24570] connection#close throws NPE

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.3
• Fix Version/s: 2.5.0, 2.4.6, 2.3.7
• Component/s: Client
• Assignee: Bo Cui
• Reporter: Bo Cui
• Created: 16/Jun/20 12:19
• Updated: 18/Aug/21 02:47
• Resolved: 17/Aug/21 00:10

Description

In the ConnectionImplementation construction method, if getRegistry throws exception， registry will be null，and then close will throw NPE

try {
  this.registry = AsyncRegistryFactory.getRegistry(conf);
  ...
} catch (Throwable e) {
  // avoid leaks: registry, rpcClient, ...
  LOG.debug("connection construction failed", e);
  close();
  throw e;
}

Issue Links

• links to: GitHub Pull Request #2082