在cloudera manager安装过程中，hive-metastore无法启动

Question

我们在Ubuntu 12.04 LTS中安装Cloudera CDH4，在安装步骤中，我们停留在hive元商店start。我们已经按照下载文档中的建议使用MySQL配置了meta-store。

它给了我们以下错误：

/usr/lib/hive/conf$ sudo service hive-metastore status
 * Hive Metastore is dead and pid file exists

在日志文件中，它显示以下错误：

ERROR metastore.HiveMetaStore (HiveMetaStore.java:main(4153)) - Metastore Thrift Server threw an exception...
org.apache.thrift.transport.TTransportException: No keytab specified

以下是out hive-site.xml文件：

<property>
  <name>javax.jdo.option.ConnectionURL</name>
     <value>jdbc:mysql://my-local-system-ip:3306/metastore?createDatabaseIfNotExist=true</value>
  <description>JDBC connect string for a JDBC metastore</description>
</property>
<property>
  <name>javax.jdo.option.ConnectionDriverName</name>
  <value>org.apache.derby.jdbc.EmbeddedDriver</value>
<value>com.mysql.jdbc.Driver</value>
  <description>Driver class name for a JDBC metastore</description>
</property>
<property>
          <name>javax.jdo.option.ConnectionUserName</name>
          <value>hive</value>
    </property>
    <property>
        <name>javax.jdo.option.ConnectionPassword</name>
        <value>my-password</value>
    </property>
    <property>
  <name>datanucleus.autoCreateSchema</name>
  <value>false</value>
</property>
<property>
  <name>datanucleus.fixedDatastore</name>
  <value>true</value>
</property>

<property>
  <name>datanucleus.autoStartMechanism</name>
  <value>SchemaTable</value>
</property>
<property>
<name>hive.aux.jars.path</name>
  <value>file:///usr/share/java/mysql-connector-java.jar</value>
</property>
<property>
        <name>hive.metastore.uris</name>
        <value>thrift://<FQDN>:9083</value>
    </property>

<property>
  <name>hive.support.concurrency</name>
  <description>Enable Hive's Table Lock Manager Service</description>
  <value>true</value>
</property>
<property>
  <name>hive.metastore.local</name>
  <description>Enable Hive's Table Lock Manager Service</description>
  <value>false</value>
</property>

<property>
  <name>hive.server2.authentication</name>
  <value>KERBEROS</value>
</property>
<property>
  <name>hive.server2.authentication.kerberos.principal</name>
  <value>hive/_HOST@<my-domain-name></value>
</property>
<property>
  <name>hive.server2.thrift.port</name>
  <value>10001</value>
  <description>TCP port number to listen on, default 10000</description>
</property>

<property>
  <name>hive.server2.authentication.kerberos.keytab</name>
  <value>/etc/hive/conf/hive.keytab</value>
</property>

<property>
  <name>hive.zookeeper.quorum</name>
  <description>Zookeeper quorum used by Hive's Table Lock Manager</description>
  <value>FQDN</value>
</property>
<property>
<name>hive.metastore.sasl.enabled</name>
<value>true</value>
</property>
<property>
  <name>hive.zookeeper.client.port</name>
  <value>2181</value>
  <description>
  The port at which the clients will connect.
  </description>
</property>
   <property>
  <name>hive.metastore.schema.verification</name>
  <value>false</value>
</property>
<property>
<name>hive.server2.thrift.sasl.qop</name>
<value>auth</value>
<description>Sasl QOP value; one of 'auth', 'auth-int' and 'auth-conf'</description>
</property>
<property>
<name>hive.metastore.client.socket.timeout</name>
<value>3600</value>
<description>MetaStore Client socket timeout in seconds</description>
</property>

我们主要关注的是安装impala。如果我们使用默认的derby。蜂巢meta-store运行得很好。但是当我们启动impala-shell的时候。它显示我们没有连接。我们能做些什么来纠正这个问题呢？

有人能帮我们解决这个错误吗？

Answer 1

我认为问题在于您遗漏了以下参数：

<property>
  <name>hive.metastore.kerberos.keytab.file</name>
  <value>/etc/hive/conf/hive.keytab</value>
  <description>The path to the Kerberos Keytab file containing the metastore thrift server's service principal.</description>
</property>

我看到你有hive.server2.authentication.kerberos.keytab，但看起来这还不够。

Answer 2

将hive.server2.authentication.kerberos.principal属性中的"my- domain - name“替换为您的域名。这是hive主体中缺失的第三部分。