YARN-6957. Moving logging APIs over to slf4j in hadoop-yarn-server-sharedcachemanager. Contributed by Yeliang Cang.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/CleanerService.java

@@ -26,8 +26,6 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.HadoopIllegalArgumentException;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
@@ -43,6 +41,8 @@ import org.apache.hadoop.yarn.server.sharedcachemanager.metrics.CleanerMetrics;
 import org.apache.hadoop.yarn.server.sharedcachemanager.store.SCMStore;
 
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The cleaner service that maintains the shared cache area, and cleans up stale
@@ -57,7 +57,8 @@ public class CleanerService extends CompositeService {
    */
   public static final String GLOBAL_CLEANER_PID = ".cleaner_pid";
 
-  private static final Log LOG = LogFactory.getLog(CleanerService.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(CleanerService.class);
 
   private Configuration conf;
   private CleanerMetrics metrics;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/CleanerTask.java

@@ -21,8 +21,6 @@ package org.apache.hadoop.yarn.server.sharedcachemanager;
 import java.io.IOException;
 import java.util.concurrent.locks.Lock;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
 import org.apache.hadoop.conf.Configuration;
@@ -34,6 +32,8 @@ import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.server.sharedcache.SharedCacheUtil;
 import org.apache.hadoop.yarn.server.sharedcachemanager.metrics.CleanerMetrics;
 import org.apache.hadoop.yarn.server.sharedcachemanager.store.SCMStore;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The task that runs and cleans up the shared cache area for stale entries and
@@ -44,7 +44,8 @@ import org.apache.hadoop.yarn.server.sharedcachemanager.store.SCMStore;
 @Evolving
 class CleanerTask implements Runnable {
   private static final String RENAMED_SUFFIX = "-renamed";
-  private static final Log LOG = LogFactory.getLog(CleanerTask.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(CleanerTask.class);
 
   private final String location;
   private final long sleepTime;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/ClientProtocolService.java

@@ -21,8 +21,6 @@ package org.apache.hadoop.yarn.server.sharedcachemanager;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
 import org.apache.hadoop.conf.Configuration;
@@ -45,6 +43,8 @@ import org.apache.hadoop.yarn.server.sharedcache.SharedCacheUtil;
 import org.apache.hadoop.yarn.server.sharedcachemanager.metrics.ClientSCMMetrics;
 import org.apache.hadoop.yarn.server.sharedcachemanager.store.SCMStore;
 import org.apache.hadoop.yarn.server.sharedcachemanager.store.SharedCacheResourceReference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This service handles all rpc calls from the client to the shared cache
@@ -55,7 +55,8 @@ import org.apache.hadoop.yarn.server.sharedcachemanager.store.SharedCacheResourc
 public class ClientProtocolService extends AbstractService implements
     ClientSCMProtocol {
 
-  private static final Log LOG = LogFactory.getLog(ClientProtocolService.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(ClientProtocolService.class);
 
   private final RecordFactory recordFactory = RecordFactoryProvider
       .getRecordFactory(null);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/SCMAdminProtocolService.java

@@ -21,15 +21,12 @@ package org.apache.hadoop.yarn.server.sharedcachemanager;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.ipc.Server;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.hadoop.security.authorize.AccessControlList;
 import org.apache.hadoop.service.AbstractService;
 import org.apache.hadoop.yarn.security.YarnAuthorizationProvider;
 import org.apache.hadoop.yarn.server.api.SCMAdminProtocol;
@@ -41,6 +38,8 @@ import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
 import org.apache.hadoop.yarn.ipc.RPCUtil;
 import org.apache.hadoop.yarn.ipc.YarnRPC;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This service handles all SCMAdminProtocol rpc calls from administrators
@@ -51,7 +50,8 @@ import org.apache.hadoop.yarn.ipc.YarnRPC;
 public class SCMAdminProtocolService extends AbstractService implements
     SCMAdminProtocol {
 
-  private static final Log LOG = LogFactory.getLog(SCMAdminProtocolService.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(SCMAdminProtocolService.class);
 
   private final RecordFactory recordFactory = RecordFactoryProvider
       .getRecordFactory(null);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/SharedCacheManager.java

@@ -18,8 +18,6 @@
 
 package org.apache.hadoop.yarn.server.sharedcachemanager;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.conf.Configuration;
@@ -36,6 +34,8 @@ import org.apache.hadoop.yarn.server.sharedcachemanager.store.SCMStore;
 import org.apache.hadoop.yarn.server.sharedcachemanager.webapp.SCMWebServer;
 
 import com.google.common.annotations.VisibleForTesting;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This service maintains the shared cache meta data. It handles claiming and
@@ -51,7 +51,8 @@ public class SharedCacheManager extends CompositeService {
    */
   public static final int SHUTDOWN_HOOK_PRIORITY = 30;
 
-  private static final Log LOG = LogFactory.getLog(SharedCacheManager.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(SharedCacheManager.class);
 
   private SCMStore store;
 
@@ -156,7 +157,7 @@ public class SharedCacheManager extends CompositeService {
       sharedCacheManager.init(conf);
       sharedCacheManager.start();
     } catch (Throwable t) {
-      LOG.fatal("Error starting SharedCacheManager", t);
+      LOG.error("Error starting SharedCacheManager", t);
       System.exit(-1);
     }
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/metrics/CleanerMetrics.java

@@ -17,8 +17,6 @@
  */
 package org.apache.hadoop.yarn.server.sharedcachemanager.metrics;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
 import org.apache.hadoop.metrics2.MetricsSource;
@@ -31,6 +29,8 @@ import org.apache.hadoop.metrics2.lib.MetricsRegistry;
 import org.apache.hadoop.metrics2.lib.MetricsSourceBuilder;
 import org.apache.hadoop.metrics2.lib.MutableCounterLong;
 import org.apache.hadoop.metrics2.lib.MutableGaugeLong;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This class is for maintaining the various Cleaner activity statistics and
@@ -40,7 +40,8 @@ import org.apache.hadoop.metrics2.lib.MutableGaugeLong;
 @Evolving
 @Metrics(name = "CleanerActivity", about = "Cleaner service metrics", context = "yarn")
 public class CleanerMetrics {
-  public static final Log LOG = LogFactory.getLog(CleanerMetrics.class);
+  public static final Logger LOG =
+      LoggerFactory.getLogger(CleanerMetrics.class);
   private final MetricsRegistry registry = new MetricsRegistry("cleaner");
   private final static CleanerMetrics INSTANCE = create();
   

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/metrics/ClientSCMMetrics.java

@@ -17,8 +17,6 @@
  */
 package org.apache.hadoop.yarn.server.sharedcachemanager.metrics;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.metrics2.MetricsSystem;
@@ -27,6 +25,8 @@ import org.apache.hadoop.metrics2.annotation.Metrics;
 import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
 import org.apache.hadoop.metrics2.lib.MetricsRegistry;
 import org.apache.hadoop.metrics2.lib.MutableCounterLong;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This class is for maintaining  client requests metrics
@@ -37,7 +37,8 @@ import org.apache.hadoop.metrics2.lib.MutableCounterLong;
 @Metrics(about="Client SCM metrics", context="yarn")
 public class ClientSCMMetrics {
 
-  private static final Log LOG = LogFactory.getLog(ClientSCMMetrics.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(ClientSCMMetrics.class);
   final MetricsRegistry registry;
   private final static ClientSCMMetrics INSTANCE = create();
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/metrics/SharedCacheUploaderMetrics.java

@@ -17,8 +17,6 @@
  */
 package org.apache.hadoop.yarn.server.sharedcachemanager.metrics;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
 import org.apache.hadoop.metrics2.MetricsSystem;
@@ -27,6 +25,8 @@ import org.apache.hadoop.metrics2.annotation.Metrics;
 import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
 import org.apache.hadoop.metrics2.lib.MetricsRegistry;
 import org.apache.hadoop.metrics2.lib.MutableCounterLong;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This class is for maintaining shared cache uploader requests metrics
@@ -37,8 +37,8 @@ import org.apache.hadoop.metrics2.lib.MutableCounterLong;
 @Metrics(about="shared cache upload metrics", context="yarn")
 public class SharedCacheUploaderMetrics {
 
-  static final Log LOG =
-      LogFactory.getLog(SharedCacheUploaderMetrics.class);
+  static final Logger LOG =
+      LoggerFactory.getLogger(SharedCacheUploaderMetrics.class);
   final MetricsRegistry registry;
   private final static SharedCacheUploaderMetrics INSTANCE = create();
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/store/InMemorySCMStore.java

@@ -33,8 +33,6 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.HadoopIllegalArgumentException;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Evolving;
@@ -52,6 +50,8 @@ import org.apache.hadoop.yarn.server.sharedcachemanager.AppChecker;
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * A thread safe version of an in-memory SCM store. The thread safety is
@@ -74,7 +74,8 @@ import com.google.common.util.concurrent.ThreadFactoryBuilder;
 @Private
 @Evolving
 public class InMemorySCMStore extends SCMStore {
-  private static final Log LOG = LogFactory.getLog(InMemorySCMStore.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(InMemorySCMStore.class);
 
   private final Map<String, SharedCacheResource> cachedResources =
       new ConcurrentHashMap<String, SharedCacheResource>();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager/src/main/java/org/apache/hadoop/yarn/server/sharedcachemanager/webapp/SCMWebServer.java

@@ -18,8 +18,6 @@
 
 package org.apache.hadoop.yarn.server.sharedcachemanager.webapp;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.conf.Configuration;
@@ -28,6 +26,8 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.server.sharedcachemanager.SharedCacheManager;
 import org.apache.hadoop.yarn.webapp.WebApp;
 import org.apache.hadoop.yarn.webapp.WebApps;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * A very simple web interface for the metrics reported by
@@ -37,7 +37,8 @@ import org.apache.hadoop.yarn.webapp.WebApps;
 @Private
 @Unstable
 public class SCMWebServer extends AbstractService {
-  private static final Log LOG = LogFactory.getLog(SCMWebServer.class);
+  private static final Logger LOG =
+      LoggerFactory.getLogger(SCMWebServer.class);
 
   private final SharedCacheManager scm;
   private WebApp webApp;