Update DirectLogFetcher.java

parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/dbsync/DirectLogFetcher.java

@@ -3,13 +3,12 @@ package com.alibaba.otter.canal.parse.inbound.mysql.dbsync;
 import java.io.IOException;
 import java.io.InterruptedIOException;
 import java.net.SocketTimeoutException;
-import java.nio.ByteBuffer;
 import java.nio.channels.ClosedByInterruptException;
+import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
 import com.taobao.tddl.dbsync.binlog.LogFetcher;
 
 /**
@@ -149,20 +148,8 @@ public class DirectLogFetcher extends LogFetcher {
     private final boolean fetch0(final int off, final int len) throws IOException {
         ensureCapacity(off + len);
 
-        ByteBuffer buffer = ByteBuffer.wrap(this.buffer, off, len);
-        while (buffer.hasRemaining()) {
-            int readNum = channel.read(buffer);
-            if (readNum == -1) {
-                throw new IOException("Unexpected End Stream");
-            }
-        }
-        
-        // for (int count, n = 0; n < len; n += count) {
-        // if (0 > (count = input.read(buffer, off + n, len - n))) {
-        // // Reached end of input stream
-        // return false;
-        // }
-        // }
+        byte[] read = channel.read(len);
+        System.arraycopy(read, 0, this.buffer, off, len);
 
         if (limit < off + len) limit = off + len;
         return true;