Examples with RegionInRecoveryException org.apache.hadoop.hbase.exceptions.RegionInRecoveryException used on opensource projects

Example 1 with RegionInRecoveryException

use of org.apache.hadoop.hbase.exceptions.RegionInRecoveryException in project hbase by apache.

the class TestDistributedLogSplitting method testDisallowWritesInRecovering.

@Ignore("DLR is broken by HBASE-12751")
@Test(timeout = 300000)
public void testDisallowWritesInRecovering() throws Exception {
    LOG.info("testDisallowWritesInRecovering");
    conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
    conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 3);
    conf.setBoolean(HConstants.DISALLOW_WRITES_IN_RECOVERING, true);
    startCluster(NUM_RS);
    final int NUM_REGIONS_TO_CREATE = 40;
    // turn off load balancing to prevent regions from moving around otherwise
    // they will consume recovered.edits
    master.balanceSwitch(false);
    List<RegionServerThread> rsts = cluster.getLiveRegionServerThreads();
    final ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "table-creation", null);
    Table ht = installTable(zkw, "table", "family", NUM_REGIONS_TO_CREATE);
    try {
        final SplitLogManager slm = master.getMasterWalManager().getSplitLogManager();
        Set<HRegionInfo> regionSet = new HashSet<>();
        HRegionInfo region = null;
        HRegionServer hrs = null;
        HRegionServer dstRS = null;
        for (int i = 0; i < NUM_RS; i++) {
            hrs = rsts.get(i).getRegionServer();
            List<HRegionInfo> regions = ProtobufUtil.getOnlineRegions(hrs.getRSRpcServices());
            if (regions.isEmpty())
                continue;
            region = regions.get(0);
            regionSet.add(region);
            dstRS = rsts.get((i + 1) % NUM_RS).getRegionServer();
            break;
        }
        slm.markRegionsRecovering(hrs.getServerName(), regionSet);
        // move region in order for the region opened in recovering state
        final HRegionInfo hri = region;
        final HRegionServer tmpRS = dstRS;
        TEST_UTIL.getAdmin().move(region.getEncodedNameAsBytes(), Bytes.toBytes(dstRS.getServerName().getServerName()));
        // wait for region move completes
        final RegionStates regionStates = TEST_UTIL.getHBaseCluster().getMaster().getAssignmentManager().getRegionStates();
        TEST_UTIL.waitFor(45000, 200, new Waiter.Predicate<Exception>() {

            @Override
            public boolean evaluate() throws Exception {
                ServerName sn = regionStates.getRegionServerOfRegion(hri);
                return (sn != null && sn.equals(tmpRS.getServerName()));
            }
        });
        try {
            byte[] key = region.getStartKey();
            if (key == null || key.length == 0) {
                key = new byte[] { 0, 0, 0, 0, 1 };
            }
            Put put = new Put(key);
            put.addColumn(Bytes.toBytes("family"), Bytes.toBytes("c1"), new byte[] { 'b' });
            ht.put(put);
        } catch (IOException ioe) {
            Assert.assertTrue(ioe instanceof RetriesExhaustedWithDetailsException);
            RetriesExhaustedWithDetailsException re = (RetriesExhaustedWithDetailsException) ioe;
            boolean foundRegionInRecoveryException = false;
            for (Throwable t : re.getCauses()) {
                if (t instanceof RegionInRecoveryException) {
                    foundRegionInRecoveryException = true;
                    break;
                }
            }
            Assert.assertTrue("No RegionInRecoveryException. Following exceptions returned=" + re.getCauses(), foundRegionInRecoveryException);
        }
    } finally {
        if (ht != null)
            ht.close();
        if (ht != null)
            zkw.close();
    }
}