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Posted to commits@qpid.apache.org by kw...@apache.org on 2017/10/29 09:34:26 UTC

[5/6] qpid-broker-j git commit: NO-JIRA: [Broker-J] Standardise the name of the static LOGGER field across source code - no functional change

NO-JIRA: [Broker-J] Standardise the name of the static LOGGER field across source code - no functional change


Project: http://git-wip-us.apache.org/repos/asf/qpid-broker-j/repo
Commit: http://git-wip-us.apache.org/repos/asf/qpid-broker-j/commit/7884dc92
Tree: http://git-wip-us.apache.org/repos/asf/qpid-broker-j/tree/7884dc92
Diff: http://git-wip-us.apache.org/repos/asf/qpid-broker-j/diff/7884dc92

Branch: refs/heads/master
Commit: 7884dc92a0c6dfb2fac8150298806b0697de7668
Parents: 2422183
Author: Keith Wall <ke...@gmail.com>
Authored: Fri Oct 27 21:55:38 2017 +0100
Committer: Keith Wall <ke...@gmail.com>
Committed: Sun Oct 29 07:34:11 2017 +0000

----------------------------------------------------------------------
 .../upgrade/AbstractStoreUpgrade.java           |  16 +-
 .../berkeleydb/upgrade/CursorOperation.java     |   4 +-
 .../berkeleydb/upgrade/DatabaseTemplate.java    |   4 +-
 .../berkeleydb/upgrade/UpgradeFrom4To5.java     |  34 +--
 .../berkeleydb/upgrade/UpgradeFrom5To6.java     |  32 +--
 .../berkeleydb/BDBStoreUpgradeTestPreparer.java |   8 +-
 .../berkeleydb/upgrade/UpgradeFrom5To6Test.java |   4 +-
 .../server/store/berkeleydb/BDBUpgradeTest.java |   2 +-
 .../qpid/server/exchange/AbstractExchange.java  |   6 +-
 .../server/exchange/DirectExchangeImpl.java     |   4 +-
 .../server/exchange/FanoutExchangeImpl.java     |   4 +-
 .../qpid/server/exchange/HeadersBinding.java    |   8 +-
 .../server/exchange/HeadersExchangeImpl.java    |   8 +-
 .../qpid/server/exchange/TopicExchangeImpl.java |   8 +-
 .../server/filter/FilterManagerFactory.java     |   4 +-
 .../filter/JMSMessagePropertyExpression.java    |   6 +-
 .../qpid/server/filter/JMSSelectorFilter.java   |   6 +-
 .../qpid/server/message/RoutingResult.java      |   6 +-
 .../qpid/server/plugin/QpidServiceLoader.java   |   4 +-
 .../server/protocol/v0_8/AMQShortString.java    |   2 +-
 .../server/protocol/v0_8/EncodingUtils.java     |   2 +-
 .../qpid/server/protocol/v0_8/FieldTable.java   |  10 +-
 .../apache/qpid/server/queue/AbstractQueue.java |  10 +-
 .../Base64MD5PasswordFilePrincipalDatabase.java |   4 +-
 .../PlainPasswordFilePrincipalDatabase.java     |   4 +-
 .../manager/SimpleAuthenticationManager.java    |   2 +-
 .../SimpleLDAPAuthenticationManagerImpl.java    |  22 +-
 .../apache/qpid/server/store/EventManager.java  |   6 +-
 .../transport/AbstractAMQPConnection.java       |   6 +-
 .../transport/MultiVersionProtocolEngine.java   |  12 +-
 .../MultiVersionProtocolEngineFactory.java      |   4 +-
 .../server/txn/AsyncAutoCommitTransaction.java  |  10 +-
 .../qpid/server/txn/AutoCommitTransaction.java  |  10 +-
 .../org/apache/qpid/server/txn/DtxBranch.java   |  26 +--
 .../qpid/server/txn/LocalTransaction.java       |  22 +-
 .../server/virtualhost/AbstractVirtualHost.java |  30 +--
 .../AsynchronousMessageStoreRecoverer.java      |  14 +-
 .../SynchronousMessageStoreRecoverer.java       |  16 +-
 .../server/queue/AbstractQueueTestBase.java     |   2 +-
 .../store/MessageStoreQuotaEventsTestBase.java  |   4 +-
 .../security/access/config/AclFileParser.java   |   4 +-
 .../access/config/AclRulePredicates.java        |   4 +-
 .../access/config/RuleBasedAccessControl.java   |   8 +-
 .../server/security/access/config/RuleSet.java  |  16 +-
 .../access/firewall/HostnameFirewallRule.java   |  12 +-
 .../access/firewall/NetworkFirewallRule.java    |  10 +-
 .../protocol/v0_10/AMQPConnection_0_10Impl.java |   2 +-
 ...ExplicitAcceptDispositionChangeListener.java |   2 +-
 ...ImplicitAcceptDispositionChangeListener.java |   4 +-
 .../qpid/server/protocol/v0_8/AMQChannel.java   | 214 +++++++++----------
 .../protocol/v0_8/AMQPConnection_0_8Impl.java   |  68 +++---
 .../server/protocol/v0_8/BrokerDecoder.java     |   8 +-
 .../transport/BasicContentHeaderProperties.java |   6 +-
 .../apache/qpid/server/url/AMQBindingURL.java   |  10 +-
 .../qpid/server/url/BindingURLParser.java       |   4 +-
 .../protocol/v1_0/MessageMetaData_1_0.java      |   2 +-
 .../qpid/server/protocol/v1_0/Session_1_0.java  |   8 +-
 .../store/jdbc/GenericJDBCMessageStore.java     |   6 +-
 .../logback/BrokerLogbackSocketLoggerImpl.java  |   4 +-
 .../logging/logback/AppenderUtilsTest.java      |   4 +-
 .../server/management/plugin/DojoHelper.java    |  16 +-
 .../management/plugin/HttpManagement.java       |  16 +-
 .../qpid/disttest/db/ResultsDbWriter.java       |  12 +-
 .../chartbuilder/ChartProductionTest.java       |   4 +-
 .../org/apache/qpid/test/utils/PortHelper.java  |  10 +-
 .../apache/qpid/test/utils/QpidTestCase.java    |  34 +--
 .../qpid/test/utils/QpidBrokerTestCase.java     |  16 +-
 .../client/failover/FailoverBehaviourTest.java  |  22 +-
 .../failover/MultipleBrokersFailoverTest.java   |   4 +-
 .../client/prefetch/PrefetchBehaviourTest.java  |  12 +-
 .../org/apache/qpid/client/ssl/SSLTest.java     |   2 +-
 .../ReturnUnroutableMandatoryMessageTest.java   |  32 +--
 .../server/logging/ConsumerLoggingTest.java     |   7 +-
 .../MultipleTransactedBatchProducerTest.java    |  14 +-
 .../qpid/server/queue/PriorityQueueTest.java    |   6 +-
 .../server/queue/ProducerFlowControlTest.java   |   2 +-
 .../queue/QueueDepthWithSelectorTest.java       |  13 +-
 .../qpid/server/queue/TimeToLiveTest.java       |  14 +-
 .../CloseOnNoRouteForMandatoryMessageTest.java  |   4 +-
 .../test/client/QueueBrowserAutoAckTest.java    |  21 +-
 .../qpid/test/client/RollbackOrderTest.java     |  10 +-
 .../UnroutableMessageTestExceptionListener.java |   4 +-
 .../AddressBasedDestinationTest.java            |   4 +-
 .../qpid/test/client/failover/FailoverTest.java |  64 +++---
 .../qpid/test/client/message/SelectorTest.java  |  18 +-
 .../test/unit/ack/AcknowledgeOnMessageTest.java |  15 +-
 .../apache/qpid/test/unit/ack/RecoverTest.java  |  40 ++--
 .../qpid/test/unit/basic/BytesMessageTest.java  |   4 +-
 .../test/unit/basic/FieldTableMessageTest.java  |   4 +-
 .../qpid/test/unit/basic/LargeMessageTest.java  |   6 +-
 .../qpid/test/unit/basic/MapMessageTest.java    |   6 +-
 .../test/unit/basic/MultipleConnectionTest.java |   4 +-
 .../qpid/test/unit/basic/ObjectMessageTest.java |   4 +-
 .../qpid/test/unit/basic/PropertyValueTest.java |  16 +-
 .../qpid/test/unit/basic/SessionStartTest.java  |   4 +-
 .../qpid/test/unit/basic/TextMessageTest.java   |  12 +-
 .../qpid/test/unit/basic/close/CloseTest.java   |   6 +-
 .../test/unit/client/MaxDeliveryCountTest.java  |  14 +-
 .../unit/client/message/ObjectMessageTest.java  |  10 +-
 .../test/unit/ct/DurableSubscriberTest.java     |  20 +-
 .../test/unit/message/StreamMessageTest.java    |   6 +-
 .../unit/topic/DurableSubscriptionTest.java     |  76 +++----
 .../qpid/test/unit/topic/TopicSessionTest.java  |   8 +-
 .../unit/transacted/CommitRollbackTest.java     |  84 ++++----
 .../test/unit/transacted/TransactedTest.java    | 112 +++++-----
 .../qpid/test/utils/FailoverBaseCase.java       |   4 +-
 .../qpid/transport/ProtocolNegotiationTest.java |  10 +-
 .../java/org/apache/qpid/util/LogMonitor.java   |   4 +-
 108 files changed, 821 insertions(+), 791 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/AbstractStoreUpgrade.java
----------------------------------------------------------------------
diff --git a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/AbstractStoreUpgrade.java b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/AbstractStoreUpgrade.java
index 4a53a00..ec10a32 100644
--- a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/AbstractStoreUpgrade.java
+++ b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/AbstractStoreUpgrade.java
@@ -30,14 +30,14 @@ import org.slf4j.LoggerFactory;
 
 public abstract class AbstractStoreUpgrade implements StoreUpgrade
 {
-    private static final Logger _logger = LoggerFactory.getLogger(AbstractStoreUpgrade.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractStoreUpgrade.class);
 
     protected void reportFinished(Environment environment, int version)
     {
-        _logger.info("Completed upgrade to version " + version);
-        if (_logger.isDebugEnabled())
+        LOGGER.info("Completed upgrade to version " + version);
+        if (LOGGER.isDebugEnabled())
         {
-            _logger.debug("Upgraded:");
+            LOGGER.debug("Upgraded:");
             reportDatabaseRowCount(environment);
         }
     }
@@ -47,16 +47,16 @@ public abstract class AbstractStoreUpgrade implements StoreUpgrade
         List<String> databases = environment.getDatabaseNames();
         for (String database : databases)
         {
-            _logger.debug("    " + getRowCount(database, environment)  + " rows in " + database);
+            LOGGER.debug("    " + getRowCount(database, environment)  + " rows in " + database);
         }
     }
 
     protected void reportStarting(Environment environment, int version)
     {
-        _logger.info("Starting store upgrade from version " + version);
-        if (_logger.isDebugEnabled())
+        LOGGER.info("Starting store upgrade from version " + version);
+        if (LOGGER.isDebugEnabled())
         {
-            _logger.debug("Upgrading:");
+            LOGGER.debug("Upgrading:");
             reportDatabaseRowCount(environment);
         }
     }

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/CursorOperation.java
----------------------------------------------------------------------
diff --git a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/CursorOperation.java b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/CursorOperation.java
index 59573ee..dad99fc 100644
--- a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/CursorOperation.java
+++ b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/CursorOperation.java
@@ -29,7 +29,7 @@ import org.slf4j.LoggerFactory;
 
 public abstract class CursorOperation implements DatabaseRunnable
 {
-    private static final Logger _logger = LoggerFactory.getLogger(CursorOperation.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(CursorOperation.class);
 
     private CursorTemplate _template;
     private long _rowCount;
@@ -49,7 +49,7 @@ public abstract class CursorOperation implements DatabaseRunnable
                 CursorOperation.this.processEntry(database, targetDatabase, transaction, key, value);
                 if (getProcessedCount() % 1000 == 0)
                 {
-                    _logger.info("Processed " + getProcessedCount() + " records of " + getRowCount() + ".");
+                    LOGGER.info("Processed " + getProcessedCount() + " records of " + getRowCount() + ".");
                 }
             }
 

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/DatabaseTemplate.java
----------------------------------------------------------------------
diff --git a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/DatabaseTemplate.java b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/DatabaseTemplate.java
index 464f4b4..4023aa3 100644
--- a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/DatabaseTemplate.java
+++ b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/DatabaseTemplate.java
@@ -29,7 +29,7 @@ import org.slf4j.LoggerFactory;
 
 public class DatabaseTemplate
 {
-    private static final Logger _logger = LoggerFactory.getLogger(DatabaseTemplate.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(DatabaseTemplate.class);
 
     private Environment _environment;
     private String _sourceDatabaseName;
@@ -106,7 +106,7 @@ public class DatabaseTemplate
             }
             catch (Exception e)
             {
-                _logger.error("Unable to close database", e);
+                LOGGER.error("Unable to close database", e);
             }
         }
     }

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom4To5.java
----------------------------------------------------------------------
diff --git a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom4To5.java b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom4To5.java
index b3e376f..9cc604d 100644
--- a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom4To5.java
+++ b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom4To5.java
@@ -72,7 +72,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
 
     private static final byte COLON = (byte) ':';
 
-    private static final Logger _logger = LoggerFactory.getLogger(UpgradeFrom4To5.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(UpgradeFrom4To5.class);
 
     @Override
     public void performUpgrade(final Environment environment, final UpgradeInteractionHandler handler, ConfiguredObject<?> parent)
@@ -101,7 +101,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
     {
         if (environment.getDatabaseNames().contains(OLD_BINDINGS_DB_NAME))
         {
-            _logger.info("Queue Bindings");
+            LOGGER.info("Queue Bindings");
             final BindingTuple bindingTuple = new BindingTuple();
             CursorOperation databaseOperation = new CursorOperation()
             {
@@ -118,9 +118,9 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
                     AMQShortString routingKey = oldBindingRecord.getRoutingKey();
                     FieldTable arguments = oldBindingRecord.getArguments();
 
-                    if (_logger.isDebugEnabled())
+                    if (LOGGER.isDebugEnabled())
                     {
-                        _logger.debug(String.format(
+                        LOGGER.debug(String.format(
                                 "Processing binding for queue %s, exchange %s, routingKey %s arguments %s", queueName,
                                 exchangeName, routingKey, arguments));
                     }
@@ -138,9 +138,9 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
                         AMQShortString selectorFilterKey = AMQShortString.valueOf(AMQPFilterTypes.JMS_SELECTOR.getValue());
                         if (!arguments.containsKey(selectorFilterKey))
                         {
-                            if (_logger.isDebugEnabled())
+                            if (LOGGER.isDebugEnabled())
                             {
-                                _logger.info("adding the empty string (i.e. 'no selector') value for " + queueName
+                                LOGGER.info("adding the empty string (i.e. 'no selector') value for " + queueName
                                         + " and exchange " + exchangeName);
                             }
                             arguments.put(selectorFilterKey, "");
@@ -153,14 +153,14 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
             new DatabaseTemplate(environment, OLD_BINDINGS_DB_NAME, NEW_BINDINGS_DB_NAME, transaction)
                     .run(databaseOperation);
             environment.removeDatabase(transaction, OLD_BINDINGS_DB_NAME);
-            _logger.info(databaseOperation.getRowCount() + " Queue Binding entries");
+            LOGGER.info(databaseOperation.getRowCount() + " Queue Binding entries");
         }
     }
 
     private Set<String> upgradeQueues(final Environment environment, final UpgradeInteractionHandler handler,
             List<AMQShortString> potentialDurableSubs, Transaction transaction)
     {
-        _logger.info("Queues");
+        LOGGER.info("Queues");
         final Set<String> existingQueues = new HashSet<String>();
         if (environment.getDatabaseNames().contains(OLD_QUEUE_DB_NAME))
         {
@@ -181,7 +181,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
             };
             new DatabaseTemplate(environment, OLD_QUEUE_DB_NAME, NEW_QUEUE_DB_NAME, transaction).run(databaseOperation);
             environment.removeDatabase(transaction, OLD_QUEUE_DB_NAME);
-            _logger.info(databaseOperation.getRowCount() + " Queue entries");
+            LOGGER.info(databaseOperation.getRowCount() + " Queue entries");
         }
         return existingQueues;
     }
@@ -216,7 +216,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
         final Set<Long> messagesToDiscard = new HashSet<Long>();
         final Set<String> queuesToDiscard = new HashSet<String>();
         final QueueEntryKeyBinding queueEntryKeyBinding = new QueueEntryKeyBinding();
-        _logger.info("Delivery Records");
+        LOGGER.info("Delivery Records");
 
         CursorOperation databaseOperation = new CursorOperation()
         {
@@ -290,7 +290,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
             };
             new DatabaseTemplate(environment, NEW_DELIVERY_DB, transaction).run(databaseOperation);
         }
-        _logger.info(databaseOperation.getRowCount() + " Delivery Records entries ");
+        LOGGER.info(databaseOperation.getRowCount() + " Delivery Records entries ");
         environment.removeDatabase(transaction, OLD_DELIVERY_DB);
 
         return messagesToDiscard;
@@ -357,7 +357,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
     private void upgradeMetaData(final Environment environment, final UpgradeInteractionHandler handler,
             final Set<Long> messagesToDiscard, Transaction transaction)
     {
-        _logger.info("Message MetaData");
+        LOGGER.info("Message MetaData");
         if (environment.getDatabaseNames().contains(OLD_METADATA_DB_NAME))
         {
             final MessageMetaDataBinding binding = new MessageMetaDataBinding();
@@ -391,14 +391,14 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
             new DatabaseTemplate(environment, OLD_METADATA_DB_NAME, NEW_METADATA_DB_NAME, transaction)
                     .run(databaseOperation);
             environment.removeDatabase(transaction, OLD_METADATA_DB_NAME);
-            _logger.info(databaseOperation.getRowCount() + " Message MetaData entries");
+            LOGGER.info(databaseOperation.getRowCount() + " Message MetaData entries");
         }
     }
 
     private void upgradeContent(final Environment environment, final UpgradeInteractionHandler handler,
             final Set<Long> messagesToDiscard, Transaction transaction)
     {
-        _logger.info("Message Contents");
+        LOGGER.info("Message Contents");
         if (environment.getDatabaseNames().contains(OLD_CONTENT_DB_NAME))
         {
             final MessageContentKeyBinding keyBinding = new MessageContentKeyBinding();
@@ -447,7 +447,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
             };
             new DatabaseTemplate(environment, OLD_CONTENT_DB_NAME, NEW_CONTENT_DB_NAME, transaction).run(cursorOperation);
             environment.removeDatabase(transaction, OLD_CONTENT_DB_NAME);
-            _logger.info(cursorOperation.getRowCount() + " Message Content entries");
+            LOGGER.info(cursorOperation.getRowCount() + " Message Content entries");
         }
     }
 
@@ -463,7 +463,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
             if (dbName.endsWith("_v4"))
             {
                 String newName = dbName.substring(0, dbName.length() - 3) + "_v5";
-                _logger.info("Renaming " + dbName + " into " + newName);
+                LOGGER.info("Renaming " + dbName + " into " + newName);
                 environment.renameDatabase(transaction, dbName, newName);
             }
         }
@@ -648,7 +648,7 @@ public class UpgradeFrom4To5 extends AbstractStoreUpgrade
             }
             catch (Exception e)
             {
-                _logger.error("Error converting entry to object: " + e, e);
+                LOGGER.error("Error converting entry to object: " + e, e);
                 // annoyingly just have to return null since we cannot throw
                 return null;
             }

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6.java
----------------------------------------------------------------------
diff --git a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6.java b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6.java
index ffdcd09..68287b6 100644
--- a/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6.java
+++ b/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6.java
@@ -68,7 +68,7 @@ import org.apache.qpid.server.store.berkeleydb.FieldTableEncoding;
 public class UpgradeFrom5To6 extends AbstractStoreUpgrade
 {
 
-    private static final Logger _logger = LoggerFactory.getLogger(UpgradeFrom5To6.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(UpgradeFrom5To6.class);
 
     static final String OLD_CONTENT_DB_NAME = "messageContentDb_v5";
     static final String NEW_CONTENT_DB_NAME = "MESSAGE_CONTENT";
@@ -160,7 +160,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
             String newName = newDatabases[i];
             if (databases.contains(oldName))
             {
-                _logger.info("Renaming " + oldName + " into " + newName);
+                LOGGER.info("Renaming " + oldName + " into " + newName);
                 environment.renameDatabase(transaction, oldName, newName);
             }
         }
@@ -169,7 +169,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
     private void upgradeMessages(final Environment environment, final UpgradeInteractionHandler handler,
             final Transaction transaction)
     {
-        _logger.info("Message Contents");
+        LOGGER.info("Message Contents");
         if (environment.getDatabaseNames().contains(OLD_CONTENT_DB_NAME))
         {
             DatabaseRunnable contentOperation = new DatabaseRunnable()
@@ -192,7 +192,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
                     };
                     new DatabaseTemplate(environment, OLD_META_DATA_DB_NAME, contentTransaction)
                             .run(metaDataDatabaseOperation);
-                    _logger.info(metaDataDatabaseOperation.getRowCount() + " Message Content Entries");
+                    LOGGER.info(metaDataDatabaseOperation.getRowCount() + " Message Content Entries");
                 }
             };
             new DatabaseTemplate(environment, OLD_CONTENT_DB_NAME, NEW_CONTENT_DB_NAME, transaction).run(contentOperation);
@@ -244,7 +244,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
                     oldMetadataDatabase.delete(txn, key);
                     return;
                 case ABORT:
-                    _logger.error(message);
+                    LOGGER.error(message);
                     throw new StoreException("Unable to upgrade message " + messageId);
                 }
 
@@ -325,7 +325,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
     {
         if (environment.getDatabaseNames().contains(OLD_XID_DB_NAME))
         {
-            _logger.info("Xid Records");
+            LOGGER.info("Xid Records");
             final OldPreparedTransactionBinding oldTransactionBinding = new OldPreparedTransactionBinding();
             final NewPreparedTransactionBinding newTransactionBinding = new NewPreparedTransactionBinding();
             CursorOperation xidEntriesCursor = new CursorOperation()
@@ -368,13 +368,13 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
             };
             new DatabaseTemplate(environment, OLD_XID_DB_NAME, NEW_XID_DB_NAME, transaction).run(xidEntriesCursor);
             environment.removeDatabase(transaction, OLD_XID_DB_NAME);
-            _logger.info(xidEntriesCursor.getRowCount() + " Xid Entries");
+            LOGGER.info(xidEntriesCursor.getRowCount() + " Xid Entries");
         }
     }
 
     private void upgradeQueueEntries(Environment environment, Transaction transaction, final String virtualHostName)
     {
-        _logger.info("Queue Delivery Records");
+        LOGGER.info("Queue Delivery Records");
         if (environment.getDatabaseNames().contains(OLD_DELIVERY_DB_NAME))
         {
             final OldQueueEntryBinding oldBinding = new OldQueueEntryBinding();
@@ -397,13 +397,13 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
             new DatabaseTemplate(environment, OLD_DELIVERY_DB_NAME, NEW_DELIVERY_DB_NAME, transaction)
                     .run(queueEntriesCursor);
             environment.removeDatabase(transaction, OLD_DELIVERY_DB_NAME);
-            _logger.info(queueEntriesCursor.getRowCount() + " Queue Delivery Record Entries");
+            LOGGER.info(queueEntriesCursor.getRowCount() + " Queue Delivery Record Entries");
         }
     }
 
     private void upgradeQueueBindings(Environment environment, Transaction transaction, final UpgradeInteractionHandler handler, final String virtualHostName)
     {
-        _logger.info("Queue Bindings");
+        LOGGER.info("Queue Bindings");
         if (environment.getDatabaseNames().contains(OLD_QUEUE_BINDINGS_DB_NAME))
         {
             final QueueBindingBinding binding = new QueueBindingBinding();
@@ -432,14 +432,14 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
             new DatabaseTemplate(environment, OLD_QUEUE_BINDINGS_DB_NAME, CONFIGURED_OBJECTS_DB_NAME, transaction)
                     .run(bindingCursor);
             environment.removeDatabase(transaction, OLD_QUEUE_BINDINGS_DB_NAME);
-            _logger.info(bindingCursor.getRowCount() + " Queue Binding Entries");
+            LOGGER.info(bindingCursor.getRowCount() + " Queue Binding Entries");
         }
     }
 
     private List<String> upgradeExchanges(Environment environment, Transaction transaction, final String virtualHostName)
     {
         final List<String> exchangeNames = new ArrayList<String>();
-        _logger.info("Exchanges");
+        LOGGER.info("Exchanges");
         if (environment.getDatabaseNames().contains(OLD_EXCHANGE_DB_NAME))
         {
             final ExchangeBinding exchangeBinding = new ExchangeBinding();
@@ -468,7 +468,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
             new DatabaseTemplate(environment, OLD_EXCHANGE_DB_NAME, CONFIGURED_OBJECTS_DB_NAME, transaction)
                     .run(exchangeCursor);
             environment.removeDatabase(transaction, OLD_EXCHANGE_DB_NAME);
-            _logger.info(exchangeCursor.getRowCount() + " Exchange Entries");
+            LOGGER.info(exchangeCursor.getRowCount() + " Exchange Entries");
         }
         return exchangeNames;
     }
@@ -476,7 +476,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
     private List<String> upgradeQueues(Environment environment, Transaction transaction, final String virtualHostName)
     {
         final List<String> queueNames = new ArrayList<String>();
-        _logger.info("Queues");
+        LOGGER.info("Queues");
         if (environment.getDatabaseNames().contains(OLD_QUEUE_DB_NAME))
         {
             final UpgradeQueueBinding queueBinding = new UpgradeQueueBinding();
@@ -501,7 +501,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
             };
             new DatabaseTemplate(environment, OLD_QUEUE_DB_NAME, CONFIGURED_OBJECTS_DB_NAME, transaction).run(queueCursor);
             environment.removeDatabase(transaction, OLD_QUEUE_DB_NAME);
-            _logger.info(queueCursor.getRowCount() + " Queue Entries");
+            LOGGER.info(queueCursor.getRowCount() + " Queue Entries");
         }
         return queueNames;
     }
@@ -544,7 +544,7 @@ public class UpgradeFrom5To6 extends AbstractStoreUpgrade
 
         if (moveNonExclusiveOwnerToDescription(owner, exclusive))
         {
-            _logger.info("Non-exclusive owner " + owner + " for queue " + queueName + " moved to " + QueueArgumentsConverter.X_QPID_DESCRIPTION);
+            LOGGER.info("Non-exclusive owner " + owner + " for queue " + queueName + " moved to " + QueueArgumentsConverter.X_QPID_DESCRIPTION);
 
             attributesMap.put(Queue.OWNER, null);
             argumentsCopy.put(AMQShortString.valueOf(QueueArgumentsConverter.X_QPID_DESCRIPTION), owner);

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBStoreUpgradeTestPreparer.java
----------------------------------------------------------------------
diff --git a/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBStoreUpgradeTestPreparer.java b/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBStoreUpgradeTestPreparer.java
index a537f66..1cff8f2 100644
--- a/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBStoreUpgradeTestPreparer.java
+++ b/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBStoreUpgradeTestPreparer.java
@@ -61,7 +61,7 @@ import org.apache.qpid.url.URLSyntaxException;
  */
 public class BDBStoreUpgradeTestPreparer
 {
-    private static final Logger _logger = LoggerFactory.getLogger(BDBStoreUpgradeTestPreparer.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(BDBStoreUpgradeTestPreparer.class);
 
     public static final String TOPIC_NAME="myUpgradeTopic";
     public static final String SUB_NAME="myDurSubName";
@@ -134,7 +134,7 @@ public class BDBStoreUpgradeTestPreparer
             @Override
             public void onException(JMSException e)
             {
-                _logger.error("Error setting exception listener for connection", e);
+                LOGGER.error("Error setting exception listener for connection", e);
             }
         });
         // Create a session on the connection, transacted to confirm delivery
@@ -256,7 +256,7 @@ public class BDBStoreUpgradeTestPreparer
             @Override
             public void onException(JMSException e)
             {
-                _logger.error("Error setting exception listener for connection", e);
+                LOGGER.error("Error setting exception listener for connection", e);
             }
         });
         // Create a session on the connection, transacted to confirm delivery
@@ -302,7 +302,7 @@ public class BDBStoreUpgradeTestPreparer
             @Override
             public void onException(JMSException e)
             {
-                _logger.error("Error setting exception listener for connection", e);
+                LOGGER.error("Error setting exception listener for connection", e);
             }
         });
         // Create a session on the connection, transacted to confirm delivery

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6Test.java
----------------------------------------------------------------------
diff --git a/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6Test.java b/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6Test.java
index e5a4c6c..6d6ab77 100644
--- a/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6Test.java
+++ b/bdbstore/src/test/java/org/apache/qpid/server/store/berkeleydb/upgrade/UpgradeFrom5To6Test.java
@@ -75,7 +75,7 @@ import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom5To6.UpgradeUU
 
 public class UpgradeFrom5To6Test extends AbstractUpgradeTestCase
 {
-    private static final Logger _logger = LoggerFactory.getLogger(UpgradeFrom5To6Test.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(UpgradeFrom5To6Test.class);
     private static final String ARGUMENTS = "arguments";
 
     @Override
@@ -250,7 +250,7 @@ public class UpgradeFrom5To6Test extends AbstractUpgradeTestCase
                 DatabaseEntry newKey = new DatabaseEntry();
                 binding.objectToEntry(corruptedCompoundKey, newKey);
 
-                _logger.info("Deliberately corrupted message id " + originalCompoundKey.getMessageId()
+                LOGGER.info("Deliberately corrupted message id " + originalCompoundKey.getMessageId()
                         + ", changed offset from " + originalCompoundKey.getOffset() + " to "
                         + corruptedCompoundKey.getOffset());
 

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/bdbstore/systests/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBUpgradeTest.java
----------------------------------------------------------------------
diff --git a/bdbstore/systests/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBUpgradeTest.java b/bdbstore/systests/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBUpgradeTest.java
index e123722..7b5c345 100644
--- a/bdbstore/systests/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBUpgradeTest.java
+++ b/bdbstore/systests/src/test/java/org/apache/qpid/server/store/berkeleydb/BDBUpgradeTest.java
@@ -71,7 +71,7 @@ import org.apache.qpid.util.FileUtils;
  */
 public class BDBUpgradeTest extends QpidBrokerTestCase
 {
-    protected static final Logger _logger = LoggerFactory.getLogger(BDBUpgradeTest.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(BDBUpgradeTest.class);
 
     private static final String STRING_1024 = generateString(1024);
     private static final String STRING_1024_256 = generateString(1024*256);

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/exchange/AbstractExchange.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/exchange/AbstractExchange.java b/broker-core/src/main/java/org/apache/qpid/server/exchange/AbstractExchange.java
index b67f6ef..897878d 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/exchange/AbstractExchange.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/exchange/AbstractExchange.java
@@ -90,7 +90,7 @@ public abstract class AbstractExchange<T extends AbstractExchange<T>>
         extends AbstractConfiguredObject<T>
         implements Exchange<T>
 {
-    private static final Logger _logger = LoggerFactory.getLogger(AbstractExchange.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractExchange.class);
 
     private static final ThreadLocal<Map<AbstractExchange<?>, Set<String>>> CURRENT_ROUTING = new ThreadLocal<>();
 
@@ -248,7 +248,7 @@ public abstract class AbstractExchange<T extends AbstractExchange<T>>
             }
             else
             {
-                _logger.warn("Cannot find alternate binding destination '{}' for exchange '{}'", alternateDestination, toString());
+                LOGGER.warn("Cannot find alternate binding destination '{}' for exchange '{}'", alternateDestination, toString());
             }
         }
 
@@ -879,7 +879,7 @@ public abstract class AbstractExchange<T extends AbstractExchange<T>>
     {
         if (isAutoDeletePending())
         {
-            _logger.debug("Auto-deleting exchange: {}", this);
+            LOGGER.debug("Auto-deleting exchange: {}", this);
 
             delete();
             return true;

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/exchange/DirectExchangeImpl.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/exchange/DirectExchangeImpl.java b/broker-core/src/main/java/org/apache/qpid/server/exchange/DirectExchangeImpl.java
index 3f4d6e8..4683042 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/exchange/DirectExchangeImpl.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/exchange/DirectExchangeImpl.java
@@ -46,7 +46,7 @@ import org.apache.qpid.server.virtualhost.QueueManagingVirtualHost;
 public class DirectExchangeImpl extends AbstractExchange<DirectExchangeImpl> implements DirectExchange<DirectExchangeImpl>
 {
 
-    private static final Logger _logger = LoggerFactory.getLogger(DirectExchangeImpl.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(DirectExchangeImpl.class);
 
     private final class BindingSet
     {
@@ -124,7 +124,7 @@ public class DirectExchangeImpl extends AbstractExchange<DirectExchangeImpl> imp
                 }
                 catch (AMQInvalidArgumentException e)
                 {
-                    _logger.warn(
+                    LOGGER.warn(
                             "Binding ignored: cannot parse filter on binding of destination '{}' to exchange '{}' with arguments: {}",
                             destination.getName(),
                             DirectExchangeImpl.this.getName(),

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/exchange/FanoutExchangeImpl.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/exchange/FanoutExchangeImpl.java b/broker-core/src/main/java/org/apache/qpid/server/exchange/FanoutExchangeImpl.java
index a950022..4c64b53 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/exchange/FanoutExchangeImpl.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/exchange/FanoutExchangeImpl.java
@@ -45,7 +45,7 @@ import org.apache.qpid.server.virtualhost.QueueManagingVirtualHost;
 
 class FanoutExchangeImpl extends AbstractExchange<FanoutExchangeImpl> implements FanoutExchange<FanoutExchangeImpl>
 {
-    private static final Logger _logger = LoggerFactory.getLogger(FanoutExchangeImpl.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(FanoutExchangeImpl.class);
 
     private final class BindingSet
     {
@@ -94,7 +94,7 @@ class FanoutExchangeImpl extends AbstractExchange<FanoutExchangeImpl> implements
                 }
                 catch (AMQInvalidArgumentException e)
                 {
-                    _logger.warn(
+                    LOGGER.warn(
                             "Binding ignored: cannot parse filter on binding of destination '{}' to exchange '{}' with arguments: {}",
                             destination.getName(),
                             FanoutExchangeImpl.this.getName(),

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersBinding.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersBinding.java b/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersBinding.java
index c14e03e..5fb5329 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersBinding.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersBinding.java
@@ -42,7 +42,7 @@ import org.apache.qpid.server.model.Binding;
  */
 class HeadersBinding
 {
-    private static final Logger _logger = LoggerFactory.getLogger(HeadersBinding.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(HeadersBinding.class);
 
     private final Map<String,Object> _mappings;
     private final AbstractExchange.BindingIdentifier _binding;
@@ -87,7 +87,7 @@ class HeadersBinding
             }
             catch (AMQInvalidArgumentException e)
             {
-                _logger.warn("Invalid filter in binding queue '"+_binding.getDestination().getName()
+                LOGGER.warn("Invalid filter in binding queue '"+_binding.getDestination().getName()
                              +"' with arguments: " + _mappings);
                 _filter = new FilterManager();
 
@@ -215,7 +215,7 @@ class HeadersBinding
         }
         else
         {
-            _logger.warn("Ignoring special header: " + key);
+            LOGGER.warn("Ignoring special header: " + key);
         }
     }
 
@@ -232,7 +232,7 @@ class HeadersBinding
                 return false;
             }
         }
-        _logger.warn("Ignoring unrecognised match type: " + value);
+        LOGGER.warn("Ignoring unrecognised match type: " + value);
         return false;//default to all
     }
 

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersExchangeImpl.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersExchangeImpl.java b/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersExchangeImpl.java
index 65eabb3..4bf7a75 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersExchangeImpl.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/exchange/HeadersExchangeImpl.java
@@ -67,7 +67,7 @@ import org.apache.qpid.server.virtualhost.QueueManagingVirtualHost;
 public class HeadersExchangeImpl extends AbstractExchange<HeadersExchangeImpl> implements HeadersExchange<HeadersExchangeImpl>
 {
 
-    private static final Logger _logger = LoggerFactory.getLogger(HeadersExchangeImpl.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(HeadersExchangeImpl.class);
 
     private final Set<HeadersBinding> _bindingHeaderMatchers = Collections.newSetFromMap(new ConcurrentHashMap<>());
 
@@ -83,7 +83,7 @@ public class HeadersExchangeImpl extends AbstractExchange<HeadersExchangeImpl> i
                                                                                      final InstanceProperties instanceProperties,
                                                                                      RoutingResult<M> routingResult)
     {
-        _logger.debug("Exchange {}: routing message with headers {}", getName(), payload.getMessageHeader());
+        LOGGER.debug("Exchange {}: routing message with headers {}", getName(), payload.getMessageHeader());
 
         for (HeadersBinding hb : _bindingHeaderMatchers)
         {
@@ -91,9 +91,9 @@ public class HeadersExchangeImpl extends AbstractExchange<HeadersExchangeImpl> i
             {
                 MessageDestination destination = hb.getBinding().getDestination();
 
-                if (_logger.isDebugEnabled())
+                if (LOGGER.isDebugEnabled())
                 {
-                    _logger.debug("Exchange '{}' delivering message with headers '{}' to '{}'",
+                    LOGGER.debug("Exchange '{}' delivering message with headers '{}' to '{}'",
                                   getName(), payload.getMessageHeader(), destination.getName());
                 }
                 String actualRoutingKey = hb.getReplacementRoutingKey() == null

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/exchange/TopicExchangeImpl.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/exchange/TopicExchangeImpl.java b/broker-core/src/main/java/org/apache/qpid/server/exchange/TopicExchangeImpl.java
index 66933ec..39b4718 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/exchange/TopicExchangeImpl.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/exchange/TopicExchangeImpl.java
@@ -49,7 +49,7 @@ import org.apache.qpid.server.virtualhost.QueueManagingVirtualHost;
 
 class TopicExchangeImpl extends AbstractExchange<TopicExchangeImpl> implements TopicExchange<TopicExchangeImpl>
 {
-    private static final Logger _logger = LoggerFactory.getLogger(TopicExchangeImpl.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(TopicExchangeImpl.class);
 
     private final TopicParser _parser = new TopicParser();
 
@@ -69,7 +69,7 @@ class TopicExchangeImpl extends AbstractExchange<TopicExchangeImpl> implements T
         final String bindingKey = binding.getBindingKey();
         final MessageDestination destination = binding.getDestination();
 
-        _logger.debug("Updating binding of queue {} with routing key {}", destination.getName(), bindingKey);
+        LOGGER.debug("Updating binding of queue {} with routing key {}", destination.getName(), bindingKey);
 
         String routingKey = TopicNormalizer.normalize(bindingKey);
 
@@ -92,7 +92,7 @@ class TopicExchangeImpl extends AbstractExchange<TopicExchangeImpl> implements T
         final String bindingKey = binding.getBindingKey();
         MessageDestination messageDestination = binding.getDestination();
 
-        _logger.debug("Registering messageDestination {} with routing key {}", messageDestination.getName(), bindingKey);
+        LOGGER.debug("Registering messageDestination {} with routing key {}", messageDestination.getName(), bindingKey);
 
         String routingKey = TopicNormalizer.normalize(bindingKey);
         TopicExchangeResult result = _topicExchangeResults.get(routingKey);
@@ -163,7 +163,7 @@ class TopicExchangeImpl extends AbstractExchange<TopicExchangeImpl> implements T
         {
             Map<String,Object> bindingArgs = _bindings.remove(binding);
 
-            _logger.debug("deregisterQueue args: {}", bindingArgs);
+            LOGGER.debug("deregisterQueue args: {}", bindingArgs);
 
             String bindingKey = TopicNormalizer.normalize(binding.getBindingKey());
             TopicExchangeResult result = _topicExchangeResults.get(bindingKey);

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/filter/FilterManagerFactory.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/filter/FilterManagerFactory.java b/broker-core/src/main/java/org/apache/qpid/server/filter/FilterManagerFactory.java
index 16bd4c5..b278db0 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/filter/FilterManagerFactory.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/filter/FilterManagerFactory.java
@@ -32,7 +32,7 @@ import org.apache.qpid.server.filter.selector.TokenMgrError;
 public class FilterManagerFactory
 {
 
-    private final static Logger _logger = LoggerFactory.getLogger(FilterManagerFactory.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(FilterManagerFactory.class);
 
     private FilterManagerFactory()
     {
@@ -69,7 +69,7 @@ public class FilterManagerFactory
         }
         else
         {
-            _logger.debug("No Filters found.");
+            LOGGER.debug("No Filters found.");
         }
 
 

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/filter/JMSMessagePropertyExpression.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/filter/JMSMessagePropertyExpression.java b/broker-core/src/main/java/org/apache/qpid/server/filter/JMSMessagePropertyExpression.java
index 9fcf645..c94dd0d 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/filter/JMSMessagePropertyExpression.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/filter/JMSMessagePropertyExpression.java
@@ -48,7 +48,7 @@ public class JMSMessagePropertyExpression implements PropertyExpression<Filterab
 
     private static final int DEFAULT_PRIORITY = 4;
 
-    private static final Logger _logger = LoggerFactory.getLogger(JMSMessagePropertyExpression.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(JMSMessagePropertyExpression.class);
 
     private static final HashMap<String, Expression> JMS_PROPERTY_EXPRESSIONS = new HashMap<String, Expression>();
     static
@@ -188,9 +188,9 @@ public class JMSMessagePropertyExpression implements PropertyExpression<Filterab
         {
                 JMSDeliveryMode mode = message.isPersistent() ? JMSDeliveryMode.PERSISTENT :
                                                                 JMSDeliveryMode.NON_PERSISTENT;
-                if (_logger.isDebugEnabled())
+                if (LOGGER.isDebugEnabled())
                 {
-                    _logger.debug("JMSDeliveryMode is :" + mode);
+                    LOGGER.debug("JMSDeliveryMode is :" + mode);
                 }
 
                 return mode.toString();

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/filter/JMSSelectorFilter.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/filter/JMSSelectorFilter.java b/broker-core/src/main/java/org/apache/qpid/server/filter/JMSSelectorFilter.java
index 4094a42..3e85861 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/filter/JMSSelectorFilter.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/filter/JMSSelectorFilter.java
@@ -32,7 +32,7 @@ import org.apache.qpid.server.plugin.PluggableService;
 @PluggableService
 public class JMSSelectorFilter implements MessageFilter
 {
-    private final static Logger _logger = LoggerFactory.getLogger(JMSSelectorFilter.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(JMSSelectorFilter.class);
 
     private String _selector;
     private BooleanExpression _matcher;
@@ -56,9 +56,9 @@ public class JMSSelectorFilter implements MessageFilter
     {
 
         boolean match = _matcher.matches(message);
-        if(_logger.isDebugEnabled())
+        if(LOGGER.isDebugEnabled())
         {
-            _logger.debug(message + " match(" + match + ") selector(" + System.identityHashCode(_selector) + "):" + _selector);
+            LOGGER.debug(message + " match(" + match + ") selector(" + System.identityHashCode(_selector) + "):" + _selector);
         }
         return match;
     }

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/message/RoutingResult.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/message/RoutingResult.java b/broker-core/src/main/java/org/apache/qpid/server/message/RoutingResult.java
index 7f0979e..5231679 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/message/RoutingResult.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/message/RoutingResult.java
@@ -39,7 +39,7 @@ import org.apache.qpid.server.util.Action;
 
 public class RoutingResult<M extends ServerMessage<? extends StorableMessageMetaData>>
 {
-    private static final Logger _logger = LoggerFactory.getLogger(RoutingResult.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(RoutingResult.class);
 
     private final M _message;
 
@@ -55,7 +55,7 @@ public class RoutingResult<M extends ServerMessage<? extends StorableMessageMeta
     {
         if(q.isDeleted())
         {
-            _logger.debug("Attempt to enqueue message onto deleted queue {}",  q.getName());
+            LOGGER.debug("Attempt to enqueue message onto deleted queue {}",  q.getName());
         }
         else
         {
@@ -75,7 +75,7 @@ public class RoutingResult<M extends ServerMessage<? extends StorableMessageMeta
                     deletedQueues = true;
                     queues = new ArrayList<>(queues);
                 }
-                _logger.debug("Attempt to enqueue message onto deleted queue {}",  q.getName());
+                LOGGER.debug("Attempt to enqueue message onto deleted queue {}",  q.getName());
 
                 queues.remove(q);
             }

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java b/broker-core/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java
index 9cdda22..662dd95 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java
@@ -36,7 +36,7 @@ import org.apache.qpid.server.util.ServerScopedRuntimeException;
  */
 public class QpidServiceLoader
 {
-    private static final Logger _logger = LoggerFactory.getLogger(QpidServiceLoader.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(QpidServiceLoader.class);
 
     public <C extends Pluggable> Iterable<C> instancesOf(Class<C> clazz)
     {
@@ -82,7 +82,7 @@ public class QpidServiceLoader
             throw new ServerScopedRuntimeException("At least one implementation of " + clazz + " expected");
         }
 
-        _logger.debug("Found {} implementations of {}", serviceImplementations.size(), clazz);
+        LOGGER.debug("Found {} implementations of {}", serviceImplementations.size(), clazz);
 
         return serviceImplementations;
     }

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/AMQShortString.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/AMQShortString.java b/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/AMQShortString.java
index 928e309..b5aa4d7 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/AMQShortString.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/AMQShortString.java
@@ -45,7 +45,7 @@ public final class AMQShortString implements Comparable<AMQShortString>
     private static final byte MINUS = (byte)'-';
     private static final byte ZERO = (byte) '0';
 
-    private static final Logger _logger = LoggerFactory.getLogger(AMQShortString.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AMQShortString.class);
 
     private final byte[] _data;
     private final int _offset;

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/EncodingUtils.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/EncodingUtils.java b/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/EncodingUtils.java
index 84e65da..7b49e9c 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/EncodingUtils.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/EncodingUtils.java
@@ -29,7 +29,7 @@ import org.apache.qpid.server.bytebuffer.QpidByteBuffer;
 
 public class EncodingUtils
 {
-    private static final Logger _logger = LoggerFactory.getLogger(EncodingUtils.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(EncodingUtils.class);
 
     private EncodingUtils()
     {

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/FieldTable.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/FieldTable.java b/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/FieldTable.java
index 3fd8408..1896f40 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/FieldTable.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/protocol/v0_8/FieldTable.java
@@ -40,7 +40,7 @@ import org.apache.qpid.server.bytebuffer.QpidByteBuffer;
 
 public class FieldTable
 {
-    private static final Logger _logger = LoggerFactory.getLogger(FieldTable.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(FieldTable.class);
     private static final String STRICT_AMQP_NAME = "STRICT_AMQP";
     private static final boolean STRICT_AMQP = Boolean.valueOf(System.getProperty(STRICT_AMQP_NAME, "false"));
 
@@ -130,7 +130,7 @@ public class FieldTable
         }
         catch (AMQFrameDecodingException e)
         {
-            _logger.error("Error decoding FieldTable in deferred decoding mode ", e);
+            LOGGER.error("Error decoding FieldTable in deferred decoding mode ", e);
             throw new IllegalArgumentException(e);
         }
     }
@@ -824,14 +824,14 @@ public class FieldTable
 
     public void writeToBuffer(QpidByteBuffer buffer)
     {
-        final boolean trace = _logger.isDebugEnabled();
+        final boolean trace = LOGGER.isDebugEnabled();
 
         if (trace)
         {
-            _logger.debug("FieldTable::writeToBuffer: Writing encoded length of " + getEncodedSize() + "...");
+            LOGGER.debug("FieldTable::writeToBuffer: Writing encoded length of " + getEncodedSize() + "...");
             if (_properties != null)
             {
-                _logger.debug(_properties.toString());
+                LOGGER.debug(_properties.toString());
             }
         }
 

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/queue/AbstractQueue.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/queue/AbstractQueue.java b/broker-core/src/main/java/org/apache/qpid/server/queue/AbstractQueue.java
index 45ada19..ad40049 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/queue/AbstractQueue.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/queue/AbstractQueue.java
@@ -128,7 +128,7 @@ public abstract class AbstractQueue<X extends AbstractQueue<X>>
                    MessageGroupManager.ConsumerResetHelper
 {
 
-    private static final Logger _logger = LoggerFactory.getLogger(AbstractQueue.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractQueue.class);
 
     private static final QueueNotificationListener NULL_NOTIFICATION_LISTENER = new QueueNotificationListener()
     {
@@ -568,7 +568,7 @@ public abstract class AbstractQueue<X extends AbstractQueue<X>>
             }
             else
             {
-                _logger.warn("Cannot find alternate binding destination '{}' for queue '{}'", alternateDestination, toString());
+                LOGGER.warn("Cannot find alternate binding destination '{}' for queue '{}'", alternateDestination, toString());
             }
         }
 
@@ -1094,7 +1094,7 @@ public abstract class AbstractQueue<X extends AbstractQueue<X>>
                && !(consumer.isDurable() && _closing))
             {
 
-                _logger.debug("Auto-deleting queue: {}", this);
+                LOGGER.debug("Auto-deleting queue: {}", this);
 
                 Subject.doAs(getSubjectWithAddedSystemRights(), new PrivilegedAction<Object>()
                              {
@@ -1746,7 +1746,7 @@ public abstract class AbstractQueue<X extends AbstractQueue<X>>
     {
         boolean acquiredForDequeueing = entry.acquireOrSteal(() ->
                                                              {
-                                                                 _logger.debug("Dequeuing stolen node {}", entry);
+                                                                 LOGGER.debug("Dequeuing stolen node {}", entry);
                                                                  dequeueEntry(entry);
                                                                  if (postDequeueTask != null)
                                                                  {
@@ -1756,7 +1756,7 @@ public abstract class AbstractQueue<X extends AbstractQueue<X>>
 
         if (acquiredForDequeueing)
         {
-            _logger.debug("Dequeuing node {}", entry);
+            LOGGER.debug("Dequeuing node {}", entry);
             dequeueEntry(entry);
             if (postDequeueTask != null)
             {

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/Base64MD5PasswordFilePrincipalDatabase.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/Base64MD5PasswordFilePrincipalDatabase.java b/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/Base64MD5PasswordFilePrincipalDatabase.java
index 37a90ef..1965e33 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/Base64MD5PasswordFilePrincipalDatabase.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/Base64MD5PasswordFilePrincipalDatabase.java
@@ -46,7 +46,7 @@ import org.apache.qpid.server.security.auth.sasl.plain.PlainNegotiator;
  */
 public class Base64MD5PasswordFilePrincipalDatabase extends AbstractPasswordFilePrincipalDatabase<HashedUser>
 {
-    private final Logger _logger = LoggerFactory.getLogger(Base64MD5PasswordFilePrincipalDatabase.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(Base64MD5PasswordFilePrincipalDatabase.class);
     private List<String> _mechanisms = Collections.unmodifiableList(Arrays.asList(CramMd5HashedNegotiator.MECHANISM,
                                                                                   CramMd5HexNegotiator.MECHANISM,
                                                                                   PlainNegotiator.MECHANISM));
@@ -122,7 +122,7 @@ public class Base64MD5PasswordFilePrincipalDatabase extends AbstractPasswordFile
     @Override
     protected Logger getLogger()
     {
-        return _logger;
+        return LOGGER;
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/PlainPasswordFilePrincipalDatabase.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/PlainPasswordFilePrincipalDatabase.java b/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/PlainPasswordFilePrincipalDatabase.java
index b6dbff5..c31a2e3 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/PlainPasswordFilePrincipalDatabase.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/security/auth/database/PlainPasswordFilePrincipalDatabase.java
@@ -52,7 +52,7 @@ import org.apache.qpid.server.security.auth.sasl.scram.ScramSaslServerSourceAdap
 public class PlainPasswordFilePrincipalDatabase extends AbstractPasswordFilePrincipalDatabase<PlainUser>
 {
 
-    private final Logger _logger = LoggerFactory.getLogger(PlainPasswordFilePrincipalDatabase.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(PlainPasswordFilePrincipalDatabase.class);
     private final List<String> _mechanisms = Collections.unmodifiableList(Arrays.asList(PlainNegotiator.MECHANISM,
                                                                                         CramMd5Negotiator.MECHANISM,
                                                                                         ScramSHA1AuthenticationManager.MECHANISM,
@@ -121,7 +121,7 @@ public class PlainPasswordFilePrincipalDatabase extends AbstractPasswordFilePrin
     @Override
     protected Logger getLogger()
     {
-        return _logger;
+        return LOGGER;
     }
 
 

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleAuthenticationManager.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleAuthenticationManager.java b/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleAuthenticationManager.java
index 005a4c2..28058c4 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleAuthenticationManager.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleAuthenticationManager.java
@@ -49,7 +49,7 @@ import org.apache.qpid.server.security.auth.sasl.scram.ScramSaslServerSourceAdap
 public class SimpleAuthenticationManager extends AbstractAuthenticationManager<SimpleAuthenticationManager>
         implements PasswordCredentialManagingAuthenticationProvider<SimpleAuthenticationManager>
 {
-    private static final Logger _logger = LoggerFactory.getLogger(SimpleAuthenticationManager.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(SimpleAuthenticationManager.class);
 
     private static final String PLAIN_MECHANISM = "PLAIN";
     private static final String CRAM_MD5_MECHANISM = "CRAM-MD5";

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleLDAPAuthenticationManagerImpl.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleLDAPAuthenticationManagerImpl.java b/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleLDAPAuthenticationManagerImpl.java
index e028a75..863f421 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleLDAPAuthenticationManagerImpl.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/security/auth/manager/SimpleLDAPAuthenticationManagerImpl.java
@@ -77,7 +77,7 @@ import org.apache.qpid.server.transport.network.security.ssl.SSLUtil;
 public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationManager<SimpleLDAPAuthenticationManagerImpl>
         implements SimpleLDAPAuthenticationManager<SimpleLDAPAuthenticationManagerImpl>
 {
-    private static final Logger _logger = LoggerFactory.getLogger(SimpleLDAPAuthenticationManagerImpl.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(SimpleLDAPAuthenticationManagerImpl.class);
 
     private static final List<String> CONNECTIVITY_ATTRS = unmodifiableList(Arrays.asList(PROVIDER_URL,
                                                                              PROVIDER_AUTH_URL,
@@ -191,7 +191,7 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
             || cacheExpirationTime == null || cacheExpirationTime <= 0
             || cacheIterationCount == null || cacheIterationCount < 0)
         {
-            _logger.debug("disabling authentication result caching");
+            LOGGER.debug("disabling authentication result caching");
             cacheMaxSize = 0;
             cacheExpirationTime = 1L;
             cacheIterationCount = 0;
@@ -314,7 +314,7 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
         }
         catch (NamingException e)
         {
-            _logger.warn("Retrieving LDAP name for user '{}' resulted in error.", userId, e);
+            LOGGER.warn("Retrieving LDAP name for user '{}' resulted in error.", userId, e);
             return new AuthenticationResult(AuthenticationResult.AuthenticationStatus.ERROR, e);
         }
 
@@ -358,7 +358,7 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
         catch (NamingException e)
         {
             //Some other failure
-            _logger.warn("LDAP authentication attempt for username '{}' resulted in error.", name, e);
+            LOGGER.warn("LDAP authentication attempt for username '{}' resulted in error.", name, e);
             return new AuthenticationResult(AuthenticationResult.AuthenticationStatus.ERROR, e);
         }
         finally
@@ -533,7 +533,7 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
         }
         catch (GeneralSecurityException e)
         {
-            _logger.error("Exception creating SSLContext", e);
+            LOGGER.error("Exception creating SSLContext", e);
             if (trustStore != null)
             {
                 throw new IllegalConfigurationException("Error creating SSLContext with trust store : " +
@@ -552,7 +552,7 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
                                                                                                  _tlsProtocolBlackList);
         Class<? extends AbstractLDAPSSLSocketFactory> clazz = LDAPSSLSocketFactoryGenerator.createSubClass(clazzName,
                                                                                                            sslSocketFactory);
-        _logger.debug("Connection to Directory will use custom SSL socket factory : {}",  clazz);
+        LOGGER.debug("Connection to Directory will use custom SSL socket factory : {}",  clazz);
         return clazz;
     }
 
@@ -583,7 +583,7 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
         }
         catch (NamingException e)
         {
-            _logger.error("Failed to establish connectivity to the ldap server for '{}'", providerUrl, e);
+            LOGGER.error("Failed to establish connectivity to the ldap server for '{}'", providerUrl, e);
             throw new IllegalConfigurationException("Failed to establish connectivity to the ldap server." , e);
         }
         finally
@@ -621,18 +621,18 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
                 searchControls.setSearchScope(SearchControls.SUBTREE_SCOPE);
                 NamingEnumeration<?> namingEnum = null;
 
-                _logger.debug("Searching for '{}'", id);
+                LOGGER.debug("Searching for '{}'", id);
                 namingEnum = ctx.search(_searchContext, _searchFilter, new String[]{id}, searchControls);
                 if (namingEnum.hasMore())
                 {
                     SearchResult result = (SearchResult) namingEnum.next();
                     String name = result.getNameInNamespace();
-                    _logger.debug("Found '{}' DN '{}'", id, name);
+                    LOGGER.debug("Found '{}' DN '{}'", id, name);
                     return name;
                 }
                 else
                 {
-                    _logger.debug("Not found '{}'", id);
+                    LOGGER.debug("Not found '{}'", id);
                     return null;
                 }
             }
@@ -698,7 +698,7 @@ public class SimpleLDAPAuthenticationManagerImpl extends AbstractAuthenticationM
         }
         catch (Exception e)
         {
-            _logger.warn("Exception closing InitialDirContext", e);
+            LOGGER.warn("Exception closing InitialDirContext", e);
         }
     }
 

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/store/EventManager.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/store/EventManager.java b/broker-core/src/main/java/org/apache/qpid/server/store/EventManager.java
index bb89d58..2db0fc8 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/store/EventManager.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/store/EventManager.java
@@ -30,7 +30,7 @@ import org.slf4j.LoggerFactory;
 public class EventManager
 {
     private Map<Event, List<EventListener>> _listeners = new EnumMap<Event, List<EventListener>> (Event.class);
-    private static final Logger _LOGGER = LoggerFactory.getLogger(EventManager.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(EventManager.class);
 
     public synchronized void addEventListener(EventListener listener, Event... events)
     {
@@ -50,9 +50,9 @@ public class EventManager
     {
         if (_listeners.containsKey(event))
         {
-            if(_LOGGER.isDebugEnabled())
+            if(LOGGER.isDebugEnabled())
             {
-                _LOGGER.debug("Received event " + event);
+                LOGGER.debug("Received event " + event);
             }
 
             for (EventListener listener : _listeners.get(event))

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/transport/AbstractAMQPConnection.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/transport/AbstractAMQPConnection.java b/broker-core/src/main/java/org/apache/qpid/server/transport/AbstractAMQPConnection.java
index 0b16b07..059db39 100644
--- a/broker-core/src/main/java/org/apache/qpid/server/transport/AbstractAMQPConnection.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/transport/AbstractAMQPConnection.java
@@ -85,7 +85,7 @@ public abstract class AbstractAMQPConnection<C extends AbstractAMQPConnection<C,
 
 {
     public static final FixedKeyMapCreator PUBLISH_ACTION_MAP_CREATOR = new FixedKeyMapCreator("routingKey", "immediate");
-    private static final Logger _logger = LoggerFactory.getLogger(AbstractAMQPConnection.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractAMQPConnection.class);
 
     private final Broker<?> _broker;
     private final ServerNetworkConnection _network;
@@ -373,7 +373,7 @@ public abstract class AbstractAMQPConnection<C extends AbstractAMQPConnection<C,
         }
         catch (NullPointerException | IllegalArgumentException e)
         {
-            _logger.warn("Context variable {} has invalid value and cannot be used to restrict maximum message size",
+            LOGGER.warn("Context variable {} has invalid value and cannot be used to restrict maximum message size",
                          MAX_MESSAGE_SIZE,
                          e);
             maxMessageSize = Long.MAX_VALUE;
@@ -914,7 +914,7 @@ public abstract class AbstractAMQPConnection<C extends AbstractAMQPConnection<C,
             {
                 if (isOpeningInProgress())
                 {
-                    _logger.warn("Connection has taken more than {} ms to establish.  Closing as possible DoS.",
+                    LOGGER.warn("Connection has taken more than {} ms to establish.  Closing as possible DoS.",
                                  _allowedTime);
                     getEventLogger().message(ConnectionMessages.IDLE_CLOSE(
                             "Protocol connection is not established within timeout period", true));

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngine.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngine.java b/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngine.java
index 1655909..2533777 100755
--- a/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngine.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngine.java
@@ -50,7 +50,7 @@ import org.apache.qpid.server.util.Action;
 
 public class MultiVersionProtocolEngine implements ProtocolEngine
 {
-    private static final Logger _logger = LoggerFactory.getLogger(MultiVersionProtocolEngine.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(MultiVersionProtocolEngine.class);
 
     private static final int MINIMUM_REQUIRED_HEADER_BYTES = 8;
 
@@ -94,7 +94,7 @@ public class MultiVersionProtocolEngine implements ProtocolEngine
     @Override
     public void closed()
     {
-        _logger.debug("Closed");
+        LOGGER.debug("Closed");
 
         try
         {
@@ -269,7 +269,7 @@ public class MultiVersionProtocolEngine implements ProtocolEngine
         @Override
         public void received(QpidByteBuffer msg)
         {
-            _logger.debug("Error processing incoming data, could not negotiate a common protocol");
+            LOGGER.debug("Error processing incoming data, could not negotiate a common protocol");
             msg.position(msg.limit());
         }
 
@@ -454,7 +454,7 @@ public class MultiVersionProtocolEngine implements ProtocolEngine
                     //if a default reply was specified use its reply header instead of the most recent supported version
                     if(_defaultSupportedReply != null && !(_defaultSupportedReply == supportedReplyVersion))
                     {
-                        _logger.debug("Default reply to unsupported protocol version was configured, changing reply from {} to {}",
+                        LOGGER.debug("Default reply to unsupported protocol version was configured, changing reply from {} to {}",
                                       supportedReplyVersion, _defaultSupportedReply);
 
                         supportedReplyBytes = defaultSupportedReplyBytes;
@@ -539,7 +539,7 @@ public class MultiVersionProtocolEngine implements ProtocolEngine
             try
             {
                 _delegate = new ClosedDelegateProtocolEngine();
-                _logger.debug("Connection from {} was closed before any protocol version was established.",
+                LOGGER.debug("Connection from {} was closed before any protocol version was established.",
                               _network.getRemoteAddress());
             }
             catch(Exception e)
@@ -622,7 +622,7 @@ public class MultiVersionProtocolEngine implements ProtocolEngine
                 }
                 else
                 {
-                    _logger.warn("Connection has taken more than {} ms to send complete protocol header.  Closing as possible DoS.",
+                    LOGGER.warn("Connection has taken more than {} ms to send complete protocol header.  Closing as possible DoS.",
                                  _allowedTime);
                     _broker.getEventLogger().message(ConnectionMessages.IDLE_CLOSE("Protocol header not received within timeout period", true));
                     _network.close();

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngineFactory.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngineFactory.java b/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngineFactory.java
index 6b564cf..b9f2303 100755
--- a/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngineFactory.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/transport/MultiVersionProtocolEngineFactory.java
@@ -41,7 +41,7 @@ import org.apache.qpid.server.plugin.QpidServiceLoader;
 public class MultiVersionProtocolEngineFactory implements ProtocolEngineFactory
 {
     private static final AtomicLong ID_GENERATOR = new AtomicLong(0);
-    private static final Logger _logger = LoggerFactory.getLogger(MultiVersionProtocolEngineFactory.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(MultiVersionProtocolEngineFactory.class);
 
     private final Broker<?> _broker;
     private final Set<Protocol> _supported;
@@ -60,7 +60,7 @@ public class MultiVersionProtocolEngineFactory implements ProtocolEngineFactory
     {
         if(defaultSupportedReply != null && !supportedVersions.contains(defaultSupportedReply))
         {
-            _logger.warn("The configured default reply ({}) to an unsupported protocol version initiation is not"
+            LOGGER.warn("The configured default reply ({}) to an unsupported protocol version initiation is not"
                          + " supported on this port.  Only the following versions are supported: {}",
                          defaultSupportedReply, supportedVersions);
             defaultSupportedReply = null;

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java b/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java
index 95d9c52..1f65aa3 100755
--- a/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java
@@ -47,7 +47,7 @@ public class AsyncAutoCommitTransaction implements ServerTransaction
 {
     static final String QPID_STRICT_ORDER_WITH_MIXED_DELIVERY_MODE = "qpid.strict_order_with_mixed_delivery_mode";
 
-    protected static final Logger _logger = LoggerFactory.getLogger(AsyncAutoCommitTransaction.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AsyncAutoCommitTransaction.class);
 
     private final MessageStore _messageStore;
     private final FutureRecorder _futureRecorder;
@@ -99,7 +99,7 @@ public class AsyncAutoCommitTransaction implements ServerTransaction
             ListenableFuture<Void> future;
             if(record != null)
             {
-                _logger.debug("Dequeue of message number {} from transaction log. Queue : {}", record.getMessageNumber(), record.getQueueId());
+                LOGGER.debug("Dequeue of message number {} from transaction log. Queue : {}", record.getMessageNumber(), record.getQueueId());
 
                 txn = _messageStore.newTransaction();
                 txn.dequeueMessage(record);
@@ -166,7 +166,7 @@ public class AsyncAutoCommitTransaction implements ServerTransaction
 
                 if(record != null)
                 {
-                    _logger.debug("Dequeue of message number {} from transaction log. Queue : {}", record.getMessageNumber(), record.getQueueId());
+                    LOGGER.debug("Dequeue of message number {} from transaction log. Queue : {}", record.getMessageNumber(), record.getQueueId());
 
                     if(txn == null)
                     {
@@ -208,7 +208,7 @@ public class AsyncAutoCommitTransaction implements ServerTransaction
             final MessageEnqueueRecord enqueueRecord;
             if(queue.getMessageDurability().persist(message.isPersistent()))
             {
-                _logger.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
+                LOGGER.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
 
                 txn = _messageStore.newTransaction();
                 enqueueRecord = txn.enqueueMessage(queue, message);
@@ -275,7 +275,7 @@ public class AsyncAutoCommitTransaction implements ServerTransaction
             {
                 if (queue.getMessageDurability().persist(message.isPersistent()))
                 {
-                    _logger.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
+                    LOGGER.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
 
                     if (txn == null)
                     {

http://git-wip-us.apache.org/repos/asf/qpid-broker-j/blob/7884dc92/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java
----------------------------------------------------------------------
diff --git a/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java b/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java
index 09434b2..8f4b132 100755
--- a/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java
+++ b/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java
@@ -43,7 +43,7 @@ import org.apache.qpid.server.store.TransactionLogResource;
  */
 public class AutoCommitTransaction implements ServerTransaction
 {
-    protected static final Logger _logger = LoggerFactory.getLogger(AutoCommitTransaction.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AutoCommitTransaction.class);
 
     private final MessageStore _messageStore;
 
@@ -82,7 +82,7 @@ public class AutoCommitTransaction implements ServerTransaction
         {
             if(record != null)
             {
-                _logger.debug("Dequeue of message number {} from transaction log. Queue : {}", record.getMessageNumber(), record.getQueueId());
+                LOGGER.debug("Dequeue of message number {} from transaction log. Queue : {}", record.getMessageNumber(), record.getQueueId());
 
                 txn = _messageStore.newTransaction();
                 txn.dequeueMessage(record);
@@ -111,7 +111,7 @@ public class AutoCommitTransaction implements ServerTransaction
                 MessageEnqueueRecord enqueueRecord = entry.getEnqueueRecord();
                 if(enqueueRecord != null)
                 {
-                    _logger.debug("Dequeue of message number {} from transaction log. Queue : {}", enqueueRecord.getMessageNumber(), enqueueRecord.getQueueId());
+                    LOGGER.debug("Dequeue of message number {} from transaction log. Queue : {}", enqueueRecord.getMessageNumber(), enqueueRecord.getQueueId());
 
                     if(txn == null)
                     {
@@ -147,7 +147,7 @@ public class AutoCommitTransaction implements ServerTransaction
             final MessageEnqueueRecord record;
             if(queue.getMessageDurability().persist(message.isPersistent()))
             {
-                _logger.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
+                LOGGER.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
 
                 txn = _messageStore.newTransaction();
                 record = txn.enqueueMessage(queue, message);
@@ -201,7 +201,7 @@ public class AutoCommitTransaction implements ServerTransaction
             {
                 if (queue.getMessageDurability().persist(message.isPersistent()))
                 {
-                    _logger.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
+                    LOGGER.debug("Enqueue of message number {} to transaction log. Queue : {}", message.getMessageNumber(), queue.getName());
 
                     if (txn == null)
                     {


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