HDFS java api

code/Hadoop/hdfs-java-api/src/main/java/com/heibaiying/utils/HdfsUtils.java

@@ -70,7 +70,7 @@ public class HdfsUtils {
      */
     public void createAndWrite(String path, String context) throws Exception {
         FSDataOutputStream out = fileSystem.create(new Path(path));
-        out.writeUTF(context);
+        out.write(context.getBytes());
         out.flush();
         out.close();
     }

code/Hadoop/hdfs-java-api/src/main/resources/log4j.properties

@@ -0,0 +1,9 @@
+log4j.rootLogger=INFO,CONSOLE
+log4j.addivity.org.apache=false
+
+log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
+log4j.appender.CONSOLE.Threshold=INFO
+log4j.appender.CONSOLE.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} -%-4r [%t] %-5p  %x - %m%n
+log4j.appender.CONSOLE.Target=System.out
+log4j.appender.CONSOLE.Encoding=UTF-8
+log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout