@BeforeClass public static void beforeClass() throws Exception { // Up the handlers; this test needs more than usual. UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10); UTIL.startMiniCluster(); Table table = UTIL.createMultiRegionTable( MULTI_REGION_TABLE_NAME, new byte[][] {INPUT_FAMILY, OUTPUT_FAMILY}); UTIL.loadTable(table, INPUT_FAMILY, false); UTIL.startMiniMapReduceCluster(); UTIL.waitUntilAllRegionsAssigned(MULTI_REGION_TABLE_NAME); }
@Test(timeout = 60000) public void testExceptionFromCoprocessorDuringPut() throws Exception { // set configure to indicate which cp should be loaded Configuration conf = TEST_UTIL.getConfiguration(); conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2); // Let's fail fast. conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, BuggyRegionObserver.class.getName()); conf.setBoolean(CoprocessorHost.ABORT_ON_ERROR_KEY, true); TEST_UTIL.startMiniCluster(2); try { // When we try to write to TEST_TABLE, the buggy coprocessor will // cause a NullPointerException, which will cause the regionserver (which // hosts the region we attempted to write to) to abort. final byte[] TEST_FAMILY = Bytes.toBytes("aaa"); Table table = TEST_UTIL.createMultiRegionTable(TABLE_NAME, TEST_FAMILY); TEST_UTIL.waitUntilAllRegionsAssigned(TABLE_NAME); // Note which regionServer will abort (after put is attempted). final HRegionServer regionServer = TEST_UTIL.getRSForFirstRegionInTable(TABLE_NAME); try { final byte[] ROW = Bytes.toBytes("aaa"); Put put = new Put(ROW); put.add(TEST_FAMILY, ROW, ROW); table.put(put); } catch (IOException e) { // The region server is going to be aborted. // We may get an exception if we retry, // which is not guaranteed. } // Wait 10 seconds for the regionserver to abort: expected result is that // it will abort. boolean aborted = false; for (int i = 0; i < 10; i++) { aborted = regionServer.isAborted(); if (aborted) { break; } try { Thread.sleep(1000); } catch (InterruptedException e) { fail("InterruptedException while waiting for regionserver " + "zk node to be deleted."); } } Assert.assertTrue("The region server should have aborted", aborted); table.close(); } finally { TEST_UTIL.shutdownMiniCluster(); } }