You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by te...@apache.org on 2015/02/04 23:54:10 UTC
hbase git commit: HBASE-12966 NPE in HMaster while recovering tables
in Enabling state (Andrey Stepachev)
Repository: hbase
Updated Branches:
refs/heads/master 4f472062a -> 8aeb3acaf
HBASE-12966 NPE in HMaster while recovering tables in Enabling state (Andrey Stepachev)
Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/8aeb3aca
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/8aeb3aca
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/8aeb3aca
Branch: refs/heads/master
Commit: 8aeb3acaf959e2905191fd6c92fa56300f7d3597
Parents: 4f47206
Author: tedyu <yu...@gmail.com>
Authored: Wed Feb 4 14:53:55 2015 -0800
Committer: tedyu <yu...@gmail.com>
Committed: Wed Feb 4 14:53:55 2015 -0800
----------------------------------------------------------------------
.../master/handler/EnableTableHandler.java | 35 ++++---
.../master/handler/TestEnableTableHandler.java | 101 +++++++++++++++++++
2 files changed, 122 insertions(+), 14 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hbase/blob/8aeb3aca/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/EnableTableHandler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/EnableTableHandler.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/EnableTableHandler.java
index 280e3e4..c4969be 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/EnableTableHandler.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/EnableTableHandler.java
@@ -26,14 +26,14 @@ import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.hbase.classification.InterfaceAudience;
-import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.MetaTableAccessor;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.TableNotDisabledException;
import org.apache.hadoop.hbase.TableNotFoundException;
-import org.apache.hadoop.hbase.MetaTableAccessor;
+import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.client.TableState;
import org.apache.hadoop.hbase.executor.EventHandler;
import org.apache.hadoop.hbase.executor.EventType;
@@ -207,19 +207,26 @@ public class EnableTableHandler extends EventHandler {
List<ServerName> onlineServers = serverManager.createDestinationServersList();
Map<ServerName, List<HRegionInfo>> bulkPlan =
this.assignmentManager.getBalancer().retainAssignment(regionsToAssign, onlineServers);
- LOG.info("Bulk assigning " + regionsCount + " region(s) across " + bulkPlan.size()
- + " server(s), retainAssignment=true");
+ if (bulkPlan != null) {
+ LOG.info("Bulk assigning " + regionsCount + " region(s) across " + bulkPlan.size()
+ + " server(s), retainAssignment=true");
- BulkAssigner ba = new GeneralBulkAssigner(this.server, bulkPlan, this.assignmentManager, true);
- try {
- if (ba.bulkAssign()) {
- done = true;
+ BulkAssigner ba =
+ new GeneralBulkAssigner(this.server, bulkPlan, this.assignmentManager, true);
+ try {
+ if (ba.bulkAssign()) {
+ done = true;
+ }
+ } catch (InterruptedException e) {
+ LOG.warn("Enable operation was interrupted when enabling table '"
+ + this.tableName + "'");
+ // Preserve the interrupt.
+ Thread.currentThread().interrupt();
}
- } catch (InterruptedException e) {
- LOG.warn("Enable operation was interrupted when enabling table '"
- + this.tableName + "'");
- // Preserve the interrupt.
- Thread.currentThread().interrupt();
+ } else {
+ LOG.info("Balancer was unable to find suitable servers for table " + tableName
+ + ", leaving unassigned");
+ done = true;
}
if (done) {
// Flip the table to enabled.
http://git-wip-us.apache.org/repos/asf/hbase/blob/8aeb3aca/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
new file mode 100644
index 0000000..f5f2cd0
--- /dev/null
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
@@ -0,0 +1,101 @@
+/**
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.master.handler;
+
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.HColumnDescriptor;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.MiniHBaseCluster;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.master.HMaster;
+import org.apache.hadoop.hbase.testclassification.MasterTests;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.JVMClusterUtil;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+@Category({ MasterTests.class, MediumTests.class })
+public class TestEnableTableHandler {
+ private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
+ private static final Log LOG = LogFactory.getLog(TestEnableTableHandler.class);
+ private static final byte[] FAMILYNAME = Bytes.toBytes("fam");
+
+ @Before
+ public void setUp() throws Exception {
+ TEST_UTIL.startMiniCluster(1);
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ TEST_UTIL.shutdownMiniCluster();
+ }
+
+ @Test(timeout = 300000)
+ public void testEnableTableWithNoRegionServers() throws Exception {
+ final TableName tableName = TableName.valueOf("testEnableTableWithNoRegionServers");
+ final MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
+ final HMaster m = cluster.getMaster();
+ final HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
+ final HTableDescriptor desc = new HTableDescriptor(tableName);
+ desc.addFamily(new HColumnDescriptor(FAMILYNAME));
+ admin.createTable(desc);
+ admin.disableTable(tableName);
+ TEST_UTIL.waitTableDisabled(tableName.getName());
+
+ admin.enableTable(tableName);
+ TEST_UTIL.waitTableEnabled(tableName);
+
+ // disable once more
+ admin.disableTable(tableName);
+
+ // now stop region servers
+ JVMClusterUtil.RegionServerThread rs = cluster.getRegionServerThreads().get(0);
+ rs.getRegionServer().stop("stop");
+ cluster.waitForRegionServerToStop(rs.getRegionServer().getServerName(), 10000);
+
+ EnableTableHandler handler =
+ new EnableTableHandler(m, tableName, m.getAssignmentManager(), m.getTableLockManager(),
+ true);
+ handler.prepare();
+ handler.process();
+
+ assertTrue(admin.isTableEnabled(tableName));
+
+ JVMClusterUtil.RegionServerThread rs2 = cluster.startRegionServer();
+ m.getAssignmentManager().assign(admin.getTableRegions(tableName));
+ TEST_UTIL.waitUntilAllRegionsAssigned(tableName);
+ List<HRegionInfo> onlineRegions = admin.getOnlineRegions(
+ rs2.getRegionServer().getServerName());
+ assertEquals(1, onlineRegions.size());
+ assertEquals(tableName, onlineRegions.get(0).getTable());
+ }
+
+}