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JAVA Api 调用Hbase报错锦集

1. 报错

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java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/protobuf/generated/MasterProtos$MasterService$BlockingInterface
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:264)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:228)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:218)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:119)
    at org.apache.minibase.TestDsapapi.<clinit>(TestDsapapi.java:41)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$BlockingInterface
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 18 more
Exception in thread "main"

　　解决办法：

　　1. 导入一下 pom.xml

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<dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-protocol</artifactId>
            <version>1.4.11</version>
        </dependency>

　　如果导入后依然报错，但是报错是找不到某些方法，是导入的 client 和 protocol 不一致：如下

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<dependency>
           <groupId>org.apache.hbase</groupId>
           <artifactId>hbase-client</artifactId>
           <version>1.0.0-cdh5.4.4</version>
       </dependency>
       
       <dependency>
           <groupId>org.apache.hbase</groupId>
           <artifactId>hbase-protocol</artifactId>
           <version>1.4.11</version>
       </dependency>
       <dependency>
           <groupId>org.apache.hadoop</groupId>
           <artifactId>hadoop-common</artifactId>
           <version>2.6.0</version>
       </dependency>

　　一个 1.4.11 一个 1.0

因此改为：

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<dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-client</artifactId>
            <version>1.0.0-cdh5.4.4</version>
        </dependency>
       
        <dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-protocol</artifactId>
            <version>1.0.0-cdh5.4.4</version>
        </dependency>