add the dependency of hadoop-common
add the dependency of hadoop-common

the hadoop-common-2.4.0.jar is necessary for connecting to hive database.
without it,the following error occurs:
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.conf.Configuration
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
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