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Posted to commits@hbase.apache.org by en...@apache.org on 2015/12/11 04:17:11 UTC
[3/3] hbase git commit: HBASE-14960 Fallback to using default
RPCControllerFactory if class cannot be loaded
HBASE-14960 Fallback to using default RPCControllerFactory if class cannot be loaded
Conflicts:
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRpcControllerFactory.java
Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/136d5aab
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/136d5aab
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/136d5aab
Branch: refs/heads/branch-1.2
Commit: 136d5aabb2e71b6c394e40b2c4f0a500d0bf21c5
Parents: 9ed1793
Author: Enis Soztutar <en...@apache.org>
Authored: Thu Dec 10 19:11:57 2015 -0800
Committer: Enis Soztutar <en...@apache.org>
Committed: Thu Dec 10 19:15:08 2015 -0800
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.../hadoop/hbase/ipc/RpcControllerFactory.java | 26 ++++++++++++++++++--
.../hbase/client/TestRpcControllerFactory.java | 17 ++++++++++++-
2 files changed, 40 insertions(+), 3 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hbase/blob/136d5aab/hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcControllerFactory.java
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diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcControllerFactory.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcControllerFactory.java
index f8ab23f..faeca8d 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcControllerFactory.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcControllerFactory.java
@@ -19,6 +19,8 @@ package org.apache.hadoop.hbase.ipc;
import java.util.List;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.CellScannable;
import org.apache.hadoop.hbase.CellScanner;
@@ -30,7 +32,13 @@ import org.apache.hadoop.hbase.util.ReflectionUtils;
*/
@InterfaceAudience.Private
public class RpcControllerFactory {
+ private static final Log LOG = LogFactory.getLog(RpcControllerFactory.class);
+ /**
+ * Custom RPC Controller factory allows frameworks to change the RPC controller. If the configured
+ * controller cannot be found in the classpath or loaded, we fall back to the default RPC
+ * controller factory.
+ */
public static final String CUSTOM_CONTROLLER_CONF_KEY = "hbase.rpc.controllerfactory.class";
protected final Configuration conf;
@@ -55,7 +63,21 @@ public class RpcControllerFactory {
String rpcControllerFactoryClazz =
configuration.get(CUSTOM_CONTROLLER_CONF_KEY,
RpcControllerFactory.class.getName());
- return ReflectionUtils.instantiateWithCustomCtor(rpcControllerFactoryClazz,
- new Class[] { Configuration.class }, new Object[] { configuration });
+ try {
+ return ReflectionUtils.instantiateWithCustomCtor(rpcControllerFactoryClazz,
+ new Class[] { Configuration.class }, new Object[] { configuration });
+ } catch (UnsupportedOperationException | NoClassDefFoundError ex) {
+ // HBASE-14960: In case the RPCController is in a non-HBase jar (Phoenix), but the application
+ // is a pure HBase application, we want to fallback to the default one.
+ String msg = "Cannot load configured \"" + CUSTOM_CONTROLLER_CONF_KEY + "\" ("
+ + rpcControllerFactoryClazz + ") from hbase-site.xml, falling back to use "
+ + "default RpcControllerFactory";
+ if (LOG.isDebugEnabled()) {
+ LOG.warn(msg, ex); // if DEBUG enabled, we want the exception, but still log in WARN level
+ } else {
+ LOG.warn(msg);
+ }
+ return new RpcControllerFactory(configuration);
+ }
}
}
http://git-wip-us.apache.org/repos/asf/hbase/blob/136d5aab/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRpcControllerFactory.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRpcControllerFactory.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRpcControllerFactory.java
index 94a7819..389f068 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRpcControllerFactory.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRpcControllerFactory.java
@@ -19,6 +19,7 @@ package org.apache.hadoop.hbase.client;
import static org.apache.hadoop.hbase.HBaseTestingUtility.fam1;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
import java.io.IOException;
import java.util.List;
@@ -53,14 +54,17 @@ public class TestRpcControllerFactory {
super(conf);
}
+ @Override
public PayloadCarryingRpcController newController() {
return new CountingRpcController(super.newController());
}
+ @Override
public PayloadCarryingRpcController newController(final CellScanner cellScanner) {
return new CountingRpcController(super.newController(cellScanner));
}
+ @Override
public PayloadCarryingRpcController newController(final List<CellScannable> cellIterables) {
return new CountingRpcController(super.newController(cellIterables));
}
@@ -102,7 +106,7 @@ public class TestRpcControllerFactory {
Configuration conf = UTIL.getConfiguration();
conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,
ProtobufCoprocessorService.class.getName());
-
+
UTIL.startMiniCluster();
}
@@ -200,4 +204,15 @@ public class TestRpcControllerFactory {
assertEquals(0, CountingRpcController.INT_PRIORITY.get());
return counter + 1;
}
+
+ @Test
+ public void testFallbackToDefaultRpcControllerFactory() {
+ Configuration conf = new Configuration(UTIL.getConfiguration());
+ conf.set(RpcControllerFactory.CUSTOM_CONTROLLER_CONF_KEY, "foo.bar.Baz");
+
+ // Should not fail
+ RpcControllerFactory factory = RpcControllerFactory.instantiate(conf);
+ assertNotNull(factory);
+ assertEquals(factory.getClass(), RpcControllerFactory.class);
+ }
}