HBASE-22150 rssStub in HRegionServer is not thread safe and should not directly be used

Signed-off-by: Sergey Shelukhin <sershe@apache.org>
This commit is contained in:
Bahram Chehrazy 2019-04-17 11:28:00 -07:00 committed by Sergey Shelukhin
parent 8ec93ea193
commit 428afa9c5e
1 changed files with 6 additions and 4 deletions

View File

@ -2431,12 +2431,13 @@ public class HRegionServer extends HasThread implements
msg += "\nCause:\n" + Throwables.getStackTraceAsString(cause);
}
// Report to the master but only if we have already registered with the master.
if (rssStub != null && this.serverName != null) {
RegionServerStatusService.BlockingInterface rss = rssStub;
if (rss != null && this.serverName != null) {
ReportRSFatalErrorRequest.Builder builder =
ReportRSFatalErrorRequest.newBuilder();
builder.setServer(ProtobufUtil.toServerName(this.serverName));
builder.setErrorMessage(msg);
rssStub.reportRSFatalError(null, builder.build());
rss.reportRSFatalError(null, builder.build());
}
} catch (Throwable t) {
LOG.warn("Unable to report fatal error to master", t);
@ -2645,7 +2646,8 @@ public class HRegionServer extends HasThread implements
private RegionServerStartupResponse reportForDuty() throws IOException {
if (this.masterless) return RegionServerStartupResponse.getDefaultInstance();
ServerName masterServerName = createRegionServerStatusStub(true);
if (masterServerName == null) return null;
RegionServerStatusService.BlockingInterface rss = rssStub;
if (masterServerName == null || rss == null) return null;
RegionServerStartupResponse result = null;
try {
rpcServices.requestCount.reset();
@ -2664,7 +2666,7 @@ public class HRegionServer extends HasThread implements
request.setPort(port);
request.setServerStartCode(this.startcode);
request.setServerCurrentTime(now);
result = this.rssStub.regionServerStartup(null, request.build());
result = rss.regionServerStartup(null, request.build());
} catch (ServiceException se) {
IOException ioe = ProtobufUtil.getRemoteException(se);
if (ioe instanceof ClockOutOfSyncException) {