log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory).

log4j:WARN Please initialize the log4j system properly.

log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

Exception in thread "main" java.io.IOException: Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addresses.

    at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:120)

    at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:82)

    at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:75)

    at org.apache.hadoop.mapreduce.Job$9.run(Job.java:1238)

    at org.apache.hadoop.mapreduce.Job$9.run(Job.java:1234)

    at java.security.AccessController.doPrivileged(Native Method)

    at javax.security.auth.Subject.doAs(Unknown Source)

    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)

    at org.apache.hadoop.mapreduce.Job.connect(Job.java:1233)

    at org.apache.hadoop.mapreduce.Job.submit(Job.java:1262)

    at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1286)

    at com.gome.accesslog.statistic.WordCountExample.main(WordCountExample.java:72)

　　缺少Jar包：Hadoop-mapreduce-client-common-2.2.0.jar

<!-- https://mvnrepository.com/artifact/org.apache.hadoop/hadoop-mapreduce-client-common -->

	<dependency>

	    <groupId>org.apache.hadoop</groupId>

	    <artifactId>hadoop-mapreduce-client-common</artifactId>

	    <version>2.6.4</version>

	</dependency>

　　

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