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HBASE-22047 LeaseException in Scan should be retried

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Igor Rudenko 2019-04-16 20:03:29 +03:00 committed by Igor Rudenko
parent 20f72f5e25
commit 375ac55d77
1 changed files with 2 additions and 1 deletions
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3
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java
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@ -38,6 +38,7 @@ import org.apache.hadoop.hbase.client.ScannerCallable.MoreResults;
import org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException; import org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException;
import org.apache.hadoop.hbase.exceptions.ScannerResetException; import org.apache.hadoop.hbase.exceptions.ScannerResetException;
import org.apache.hadoop.hbase.ipc.RpcControllerFactory; import org.apache.hadoop.hbase.ipc.RpcControllerFactory;
import org.apache.hadoop.hbase.regionserver.LeaseException;
import org.apache.hadoop.hbase.regionserver.RegionServerStoppedException; import org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;
import org.apache.hadoop.hbase.util.Bytes; import org.apache.hadoop.hbase.util.Bytes;
import org.apache.yetus.audience.InterfaceAudience; import org.apache.yetus.audience.InterfaceAudience;
@ -336,7 +337,7 @@ public abstract class ClientScanner extends AbstractClientScanner {
if ((cause != null && cause instanceof NotServingRegionException) || if ((cause != null && cause instanceof NotServingRegionException) ||
(cause != null && cause instanceof RegionServerStoppedException) || (cause != null && cause instanceof RegionServerStoppedException) ||
e instanceof OutOfOrderScannerNextException || e instanceof UnknownScannerException || e instanceof OutOfOrderScannerNextException || e instanceof UnknownScannerException ||
e instanceof ScannerResetException) { e instanceof ScannerResetException || e instanceof LeaseException) {
// Pass. It is easier writing the if loop test as list of what is allowed rather than // Pass. It is easier writing the if loop test as list of what is allowed rather than
// as a list of what is not allowed... so if in here, it means we do not throw. // as a list of what is not allowed... so if in here, it means we do not throw.
if (retriesLeft <= 0) { if (retriesLeft <= 0) {