Corrected spellings.

broker/src/main/java/org/apache/rocketmq/broker/BrokerStartup.java

@@ -125,7 +125,7 @@ public class BrokerStartup {
                     properties = new Properties();
                     properties.load(in);
 
-                    parsePropertie2SystemEnv(properties);
+                    properties2SystemEnv(properties);
                     MixAll.properties2Object(properties, brokerConfig);
                     MixAll.properties2Object(properties, nettyServerConfig);
                     MixAll.properties2Object(properties, nettyClientConfig);
@@ -212,9 +212,9 @@ public class BrokerStartup {
                         log.info("Shutdown hook was invoked, {}", this.shutdownTimes.incrementAndGet());
                         if (!this.hasShutdown) {
                             this.hasShutdown = true;
-                            long begineTime = System.currentTimeMillis();
+                            long beginTime = System.currentTimeMillis();
                             controller.shutdown();
-                            long consumingTimeTotal = System.currentTimeMillis() - begineTime;
+                            long consumingTimeTotal = System.currentTimeMillis() - beginTime;
                             log.info("Shutdown hook over, consuming total time(ms): {}", consumingTimeTotal);
                         }
                     }
@@ -230,10 +230,12 @@ public class BrokerStartup {
         return null;
     }
 
-    private static void parsePropertie2SystemEnv(Properties properties) {
+    private static void properties2SystemEnv(Properties properties) {
         if (properties == null) {
+            log.info("No properties to set system environment");
             return;
         }
+
         String rmqAddressServerDomain = properties.getProperty("rmqAddressServerDomain", MixAll.DEFAULT_NAMESRV_ADDR_LOOKUP);
         String rmqAddressServerSubGroup = properties.getProperty("rmqAddressServerSubGroup", "nsaddr");
         System.setProperty("rocketmq.namesrv.domain", rmqAddressServerDomain);

broker/src/main/java/org/apache/rocketmq/broker/pagecache/ManyMessageTransfer.java

@@ -27,7 +27,9 @@ import org.apache.rocketmq.store.GetMessageResult;
 public class ManyMessageTransfer extends AbstractReferenceCounted implements FileRegion {
     private final ByteBuffer byteBufferHeader;
     private final GetMessageResult getMessageResult;
-    private long transfered; // the bytes which was transfered already
+
+    /** Bytes which were transferred already. */
+    private long transferred;
 
     public ManyMessageTransfer(ByteBuffer byteBufferHeader, GetMessageResult getMessageResult) {
         this.byteBufferHeader = byteBufferHeader;
@@ -46,7 +48,7 @@ public class ManyMessageTransfer extends AbstractReferenceCounted implements Fil
 
     @Override
     public long transfered() {
-        return transfered;
+        return transferred;
     }
 
     @Override
@@ -57,14 +59,14 @@ public class ManyMessageTransfer extends AbstractReferenceCounted implements Fil
     @Override
     public long transferTo(WritableByteChannel target, long position) throws IOException {
         if (this.byteBufferHeader.hasRemaining()) {
-            transfered += target.write(this.byteBufferHeader);
-            return transfered;
+            transferred += target.write(this.byteBufferHeader);
+            return transferred;
         } else {
             List<ByteBuffer> messageBufferList = this.getMessageResult.getMessageBufferList();
             for (ByteBuffer bb : messageBufferList) {
                 if (bb.hasRemaining()) {
-                    transfered += target.write(bb);
-                    return transfered;
+                    transferred += target.write(bb);
+                    return transferred;
                 }
             }
         }

broker/src/main/java/org/apache/rocketmq/broker/pagecache/OneMessageTransfer.java

@@ -26,7 +26,9 @@ import org.apache.rocketmq.store.SelectMappedBufferResult;
 public class OneMessageTransfer extends AbstractReferenceCounted implements FileRegion {
     private final ByteBuffer byteBufferHeader;
     private final SelectMappedBufferResult selectMappedBufferResult;
-    private long transfered; // the bytes which was transfered already
+
+    /** Bytes which were transferred already. */
+    private long transferred;
 
     public OneMessageTransfer(ByteBuffer byteBufferHeader, SelectMappedBufferResult selectMappedBufferResult) {
         this.byteBufferHeader = byteBufferHeader;
@@ -40,7 +42,7 @@ public class OneMessageTransfer extends AbstractReferenceCounted implements File
 
     @Override
     public long transfered() {
-        return transfered;
+        return transferred;
     }
 
     @Override
@@ -51,11 +53,11 @@ public class OneMessageTransfer extends AbstractReferenceCounted implements File
     @Override
     public long transferTo(WritableByteChannel target, long position) throws IOException {
         if (this.byteBufferHeader.hasRemaining()) {
-            transfered += target.write(this.byteBufferHeader);
-            return transfered;
+            transferred += target.write(this.byteBufferHeader);
+            return transferred;
         } else if (this.selectMappedBufferResult.getByteBuffer().hasRemaining()) {
-            transfered += target.write(this.selectMappedBufferResult.getByteBuffer());
-            return transfered;
+            transferred += target.write(this.selectMappedBufferResult.getByteBuffer());
+            return transferred;
         }
 
         return 0;

broker/src/main/java/org/apache/rocketmq/broker/pagecache/QueryMessageTransfer.java

@@ -27,7 +27,9 @@ import org.apache.rocketmq.store.QueryMessageResult;
 public class QueryMessageTransfer extends AbstractReferenceCounted implements FileRegion {
     private final ByteBuffer byteBufferHeader;
     private final QueryMessageResult queryMessageResult;
-    private long transfered; // the bytes which was transfered already
+
+    /** Bytes which were transferred already. */
+    private long transferred;
 
     public QueryMessageTransfer(ByteBuffer byteBufferHeader, QueryMessageResult queryMessageResult) {
         this.byteBufferHeader = byteBufferHeader;
@@ -46,7 +48,7 @@ public class QueryMessageTransfer extends AbstractReferenceCounted implements Fi
 
     @Override
     public long transfered() {
-        return transfered;
+        return transferred;
     }
 
     @Override
@@ -57,14 +59,14 @@ public class QueryMessageTransfer extends AbstractReferenceCounted implements Fi
     @Override
     public long transferTo(WritableByteChannel target, long position) throws IOException {
         if (this.byteBufferHeader.hasRemaining()) {
-            transfered += target.write(this.byteBufferHeader);
-            return transfered;
+            transferred += target.write(this.byteBufferHeader);
+            return transferred;
         } else {
             List<ByteBuffer> messageBufferList = this.queryMessageResult.getMessageBufferList();
             for (ByteBuffer bb : messageBufferList) {
                 if (bb.hasRemaining()) {
-                    transfered += target.write(bb);
-                    return transfered;
+                    transferred += target.write(bb);
+                    return transferred;
                 }
             }
         }

broker/src/main/java/org/apache/rocketmq/broker/processor/AbstractSendMessageProcessor.java

@@ -214,7 +214,7 @@ public abstract class AbstractSendMessageProcessor implements NettyRequestProces
         int queueIdInt = requestHeader.getQueueId();
         int idValid = Math.max(topicConfig.getWriteQueueNums(), topicConfig.getReadQueueNums());
         if (queueIdInt >= idValid) {
-            String errorInfo = String.format("request queueId[%d] is illagal, %s Producer: %s",
+            String errorInfo = String.format("request queueId[%d] is illegal, %s Producer: %s",
                 queueIdInt,
                 topicConfig.toString(),
                 RemotingHelper.parseChannelRemoteAddr(ctx.channel()));

broker/src/main/java/org/apache/rocketmq/broker/processor/EndTransactionProcessor.java

@@ -157,7 +157,7 @@ public class EndTransactionProcessor implements NettyRequestProcessor {
                     // Failed
                     case CREATE_MAPEDFILE_FAILED:
                         response.setCode(ResponseCode.SYSTEM_ERROR);
-                        response.setRemark("create maped file failed.");
+                        response.setRemark("create mapped file failed.");
                         break;
                     case MESSAGE_ILLEGAL:
                     case PROPERTIES_SIZE_EXCEEDED:

broker/src/main/java/org/apache/rocketmq/broker/processor/PullMessageProcessor.java

@@ -133,7 +133,7 @@ public class PullMessageProcessor implements NettyRequestProcessor {
         }
 
         if (requestHeader.getQueueId() < 0 || requestHeader.getQueueId() >= topicConfig.getReadQueueNums()) {
-            String errorInfo = String.format("queueId[%d] is illagal, topic:[%s] topicConfig.readQueueNums:[%d] consumer:[%s]",
+            String errorInfo = String.format("queueId[%d] is illegal, topic:[%s] topicConfig.readQueueNums:[%d] consumer:[%s]",
                     requestHeader.getQueueId(), requestHeader.getTopic(), topicConfig.getReadQueueNums(), channel.remoteAddress());
             LOG.warn(errorInfo);
             response.setCode(ResponseCode.SYSTEM_ERROR);

broker/src/main/java/org/apache/rocketmq/broker/transaction/jdbc/JDBCTransactionStore.java

@@ -63,7 +63,7 @@ public class JDBCTransactionStore implements TransactionStore {
 
                 return true;
             } catch (SQLException e) {
-                log.info("Create JDBC Connection Exeption", e);
+                log.info("Create JDBC Connection Exception", e);
             }
         }