spring-data - Spring Data Hive 与 Hive 模板的集成

Question

我正在尝试使用 spring data hadoop 将 hive 集成到我的应用程序中并遇到一些问题。我不确定的第一件事是<hdp:hive-server host="some-other-host" port="10001" />连接到现有的配置单元服务器或创建一个新的配置单元服务器然后能够连接到它。其次，我的配置不会引发任何错误，所以它看起来还可以，甚至 hiveTemplate 自动装配也可以正常工作，但是当我执行查询时，我似乎没有得到任何响应。应用程序在这一点上卡住了。

这是配置

<hive-client-factory host="${hive-${env}.server}" port="${hive-${env}.port}" />

<hive-template />

这就是我如何使用它

log.debug("before hive query");

for(String result : hiveTemplate.query("show tables;")){
    log.debug("=> " + result);
}

log.debug("after hive query");

我在日志输出中看到的只是before hive query.. 之后没有任何反应。我将不胜感激任何帮助。任何想法我可能做错了什么。

score 0 · Accepted Answer

尝试 10000 作为端口号。
通常 Thrift 服务器使用端口号 10000 部署。检查您的安装是使用 HiveServer2 还是 HiveServer。我能够让 Spring Batch 工作流与 HiveServer 一起使用，但我还没有成功使用 HiveServer2。
在运行程序之前，确保 HiveServer/HiveServer 已启动并正在运行

score 0 · Accepted Answer

如果我们使用 spring，请确保您的所有依赖项与 spring 版本兼容。之后使用以下命令授予读写权限。

hadoop fs -mkdir /tmp
hadoop fs -chmod a+w /tmp
hadoop fs -mkdir -p /user/hive/warehouse
hadoop fs -chmod a+w /user/hive/warehouse

我在 pom.xml 中使用了以下版本的依赖项

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <artifactId>spring-hadoop-samples-hive</artifactId>

    <name>Spring Hadoop Samples - Hive</name>

    <parent>
        <groupId>org.springframework.samples</groupId>
        <artifactId>spring-hadoop-samples</artifactId>
        <version>1.0.0.BUILD-SNAPSHOT</version>
        <relativePath>../parent/pom.xml</relativePath>
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.hadoop.version>2.3.0.M1</spring.hadoop.version>
        <hadoop.version>2.7.1</hadoop.version>
        <hive.version>1.2.1</hive.version>
        <!-- <hive.version>2.1.1</hive.version> -->
    </properties>

    <dependencies>

        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-hadoop</artifactId>
            <version>${spring.hadoop.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-context-support</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-common</artifactId>
            <version>${hadoop.version}</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-metastore</artifactId>
            <version>${hive.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-service</artifactId>
            <version>${hive.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.thrift</groupId>
            <artifactId>libfb303</artifactId>
            <version>0.9.1</version>
        </dependency>

        <!-- runtime Hive deps start -->
        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-common</artifactId>
            <version>${hive.version}</version>
            <scope>runtime</scope>
        </dependency>


        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-jdbc</artifactId>
            <version>${hive.version}</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-shims</artifactId>
            <version>${hive.version}</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-serde</artifactId>
            <version>${hive.version}</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-contrib</artifactId>
            <version>${hive.version}</version>
            <scope>runtime</scope>
        </dependency>

        <!-- runtime Hive deps end -->

        <dependency>
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy</artifactId>
            <version>1.8.5</version>
            <scope>runtime</scope>
        </dependency>

    </dependencies>

    <repositories>
        <repository>
            <id>spring-milestone</id>
            <url>http://repo.spring.io/libs-milestone</url>
        </repository>
    </repositories>

    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>appassembler-maven-plugin</artifactId>
                <version>1.2.2</version>
                <configuration>
                    <repositoryLayout>flat</repositoryLayout>
                    <configurationSourceDirectory>src/main/config</configurationSourceDirectory>
                    <copyConfigurationDirectory>true</copyConfigurationDirectory>
                    <!-- Extra JVM arguments that will be included in the bin scripts -->
                    <extraJvmArguments>-Xms512m -Xmx1024m -Dhive.version=${hive.version}</extraJvmArguments>
                    <programs>
                        <program>
                            <mainClass>org.springframework.samples.hadoop.hive.HiveApp</mainClass>
                            <name>hiveApp</name>
                        </program>
                        <program>
                            <mainClass>org.springframework.samples.hadoop.hive.HiveClientApp</mainClass>
                            <name>hiveClientApp</name>
                        </program>
                        <program>
                            <mainClass>org.springframework.samples.hadoop.hive.HiveAppWithApacheLogs</mainClass>
                            <name>hiveAppWithApacheLogs</name>
                        </program>
                    </programs>
                </configuration>
                <executions>
                    <execution>
                        <id>package</id>
                        <goals>
                            <goal>assemble</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-antrun-plugin</artifactId>
                <executions>
                    <execution>
                        <id>config</id>
                        <phase>package</phase>
                        <configuration>
                            <tasks>
                                <copy todir="target/appassembler/data">
                                    <fileset dir="data"/>
                                </copy>
                            </tasks>
                        </configuration>
                        <goals>
                            <goal>run</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

spring-data - Spring Data Hive 与 Hive 模板的集成

2 回答 2

Related

Reference