ndimiduk commented on a change in pull request #1311: HBASE-23984 [Flakey
Tests] TestMasterAbortAndRSGotKilled fails in tea…
URL: https://github.com/apache/hbase/pull/1311#discussion_r395318061
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/UnassignRegionHandler.java
##########
@@ -94,40 +93,42 @@ public void process() throws IOException {
}
return;
}
- HRegion region = rs.getRegion(encodedName);
- if (region == null) {
- LOG.debug(
- "Received CLOSE for a region {} which is not online, and we're not
opening/closing.",
- encodedName);
- rs.getRegionsInTransitionInRS().remove(encodedNameBytes, Boolean.FALSE);
- return;
- }
- String regionName = region.getRegionInfo().getEncodedName();
- LOG.info("Close {}", regionName);
- if (region.getCoprocessorHost() != null) {
- // XXX: The behavior is a bit broken. At master side there is no
FAILED_CLOSE state, so if
- // there are exception thrown from the CP, we can not report the error
to master, and if here
- // we just return without calling reportRegionStateTransition, the TRSP
at master side will
- // hang there for ever. So here if the CP throws an exception out, the
only way is to abort
- // the RS...
- region.getCoprocessorHost().preClose(abort);
- }
- if (region.close(abort) == null) {
- // XXX: Is this still possible? The old comment says about split, but
now split is done at
- // master side, so...
- LOG.warn("Can't close region {}, was already closed during close()",
regionName);
+ try {
+ HRegion region = rs.getRegion(encodedName);
+ if (region == null) {
+ LOG.debug(
+ "Received CLOSE for a region {} which is not online, and we're not
opening/closing.",
+ encodedName);
+ return;
+ }
+ String regionName = region.getRegionInfo().getEncodedName();
+ LOG.info("Close {}", regionName);
+ if (region.getCoprocessorHost() != null) {
+ // XXX: The behavior is a bit broken. At master side there is no
FAILED_CLOSE state, so if
+ // there are exception thrown from the CP, we can not report the error
to master, and if
+ // here we just return without calling reportRegionStateTransition,
the TRSP at master side
+ // will hang there for ever. So here if the CP throws an exception
out, the only way is to
+ // abort the RS...
+ region.getCoprocessorHost().preClose(abort);
+ }
+ if (region.close(abort) == null) {
+ // XXX: Is this still possible? The old comment says about split, but
now split is done at
+ // master side, so...
+ LOG.warn("Can't close region {}, was already closed during close()",
regionName);
+ return;
+ }
+ rs.removeRegion(region, destination);
+ if (!rs.reportRegionStateTransition(
+ new RegionStateTransitionContext(TransitionCode.CLOSED,
HConstants.NO_SEQNUM, closeProcId,
+ -1, region.getRegionInfo()))) {
+ throw new IOException("Failed to report close to master: " +
regionName);
+ }
+ // Cache the close region procedure id after report region transition
succeed.
+ rs.finishRegionProcedure(closeProcId);
+ LOG.info("Closed {}", regionName);
+ } finally {
rs.getRegionsInTransitionInRS().remove(encodedNameBytes, Boolean.FALSE);
Review comment:
good.
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