flink读取hive写入http接口

这篇博客介绍了如何使用Flink从Hive数据库读取数据,并将处理后的数据发送到HTTP接口。步骤包括创建Hive表、配置pom.xml、编写Flink代码、设置sink、提交任务jar以及配置flink-conf.yaml文件,最后展示了数据成功接收的流程。

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目录

0、创建hive数据

1、pom.xml

2、flink代码 

3、sink 

4、提交任务jar

6、数据接收


flink-1.17.2 jdk1.8
hive-3.1.3 hadoop3.3.6
password http

0、创建hive数据

/cluster/hive/bin/beeline
!connect jdbc:hive2://ip:10000


create database demo;
drop table demo.example;

CREATE TABLE demo.example(
 `id` STRING COMMENT '主键',
 `name` STRING COMMENT '名称',
 `ip` STRING COMMENT 'ip地址',
 `time` STRING COMMENT '创建时间',
 `info` STRING COMMENT '信息',
 `msg` STRING COMMENT '消息',
 `oper` STRING COMMENT '操作',
 `count` DECIMAL(16,2) COMMENT '次数',
 `status` DECIMAL(16,2) COMMENT '状态'
) COMMENT '例子'
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t';

insert into 插入数据

1、pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>
    <groupId>com.example.cloud</groupId>
    <artifactId>Hive3Flink2HttpStream</artifactId>
    <version>1.0.0</version>
    <name>Hive3Flink2HttpStream</name>
    <properties>
        <java.version>1.8</java.version>
        <flink.version>1.17.2</flink.version>
        <hive.version>3.1.2</hive.version>
        <scala.binary.version>2.12</scala.binary.version>
        <hadoop.version>3.3.6</hadoop.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-statebackend-rocksdb</artifactId>
            <version>${flink.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-common</artifactId>
            <version>${hadoop.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>jaxb-api</artifactId>
                    <groupId>javax.xml.bind</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>reload4j</artifactId>
                    <groupId>ch.qos.reload4j</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>slf4j-api</artifactId>
                    <groupId>org.slf4j</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>nimbus-jose-jwt</artifactId>
                    <groupId>com.nimbusds</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>netty-transport-native-unix-common</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>snappy-java</artifactId>
                    <groupId>org.xerial.snappy</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>stax2-api</artifactId>
                    <groupId>org.codehaus.woodstox</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-compress</artifactId>
                    <groupId>org.apache.commons</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-io</artifactId>
                    <groupId>commons-io</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-logging</artifactId>
                    <groupId>commons-logging</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-text</artifactId>
                    <groupId>org.apache.commons</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>jackson-annotations</artifactId>
                    <groupId>com.fasterxml.jackson.core</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>jackson-core</artifactId>
                    <groupId>com.fasterxml.jackson.core</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>curator-framework</artifactId>
                    <groupId>org.apache.curator</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>netty-buffer</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>netty-common</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-codec</artifactId>
                    <groupId>commons-codec</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>netty-resolver</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>netty-transport</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>netty-codec</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-cli</artifactId>
                    <groupId>commons-cli</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-client</artifactId>
            <version>${hadoop.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>jackson-annotations</artifactId>
                    <groupId>com.fasterxml.jackson.core</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>jackson-core</artifactId>
                    <groupId>com.fasterxml.jackson.core</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>jackson-databind</artifactId>
                    <groupId>com.fasterxml.jackson.core</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-cli</artifactId>
                    <groupId>commons-cli</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-hdfs</artifactId>
            <version>${hadoop.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>netty-handler</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>netty-transport-native-epoll</artifactId>
                    <groupId>io.netty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-cli</artifactId>
                    <groupId>commons-cli</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>com.squareup.okhttp3</groupId>
            <artifactId>okhttp</artifactId>
            <version>4.10.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>kotlin-stdlib-common</artifactId>
                    <groupId>org.jetbrains.kotlin</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>kotlin-stdlib</artifactId>
                    <groupId>org.jetbrains.kotlin</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-connector-hive_2.12</artifactId>
            <version>${flink.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-exec</artifactId>
            <version>${hive.version}</version>
            <exclusions>
                <exclusion>
                    <artifactId>hadoop-annotations</artifactId>
                    <groupId>org.apache.hadoop</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>hadoop-auth</artifactId>
                    <groupId>org.apache.hadoop</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>hadoop-common</artifactId>
                    <groupId>org.apache.hadoop</groupId>
                </
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