这个插件提供了将 artifact 打包在 uber-jar 中的能力，包括它的依赖项和 shade - 即重命名 - 一些依赖项的包。
“uber-jar"这个术语，许多人看到后感到困惑。其实在很多编程语言中会把super叫做uber （因为suber可能是关键字）， 这是上世纪80年代开始流行的，比如管superman叫uberman。所以uber-jar从字面上理解就是super-jar，这样的jar不但包含自己代码中的class ，也会包含一些第三方依赖的jar，也就是把自身的代码和其依赖的jar全打包在一个jar里面了，所以就很形象的称其为super-jar
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<project>
...
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.3.0</version>
<configuration>
<!-- put your configurations here -->
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
...
</project>
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<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.1.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<artifactSet>
<excludes>
<exclude>com.google.code.findbugs:jsr305</exclude>
</excludes>
</artifactSet>
<filters>
<filter>
<!-- Do not copy the signatures in the META-INF folder.
Otherwise, this might cause SecurityExceptions when using the JAR. -->
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<!-- Replace this with the main class of your job -->
<mainClass>my.programs.main.clazz</mainClass>
</transformer>
<transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
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buildscript {
repositories {
maven {
url "https://plugins.gradle.org/m2/"
}
}
dependencies {
classpath "gradle.plugin.com.github.johnrengelman:shadow:7.1.2"
}
}
plugins {
id 'java'
id 'application'
// shadow plugin to produce fat JARs
id "com.github.johnrengelman.shadow" version "7.1.2"
}
apply plugin: "com.github.johnrengelman.shadow"
group 'com.gsm'
version '1.0-SNAPSHOT'
mainClassName = 'com.gsm.DSJdbcDeal'
ext {
javaVersion = '1.8'
flinkVersion = '1.13.6'
scalaBinaryVersion = '2.11'
slf4jVersion = '2.17.2'
log4jVersion = '2.17.2'
}
sourceCompatibility = javaVersion
targetCompatibility = javaVersion
tasks.withType(JavaCompile) {
options.encoding = 'UTF-8'
}
applicationDefaultJvmArgs = ["-Dlog4j.configuration=log4j.xml"]
repositories {
maven { url "https://maven.aliyun.com/repository/central" }
mavenCentral()
}
// NOTE: We cannot use "compileOnly" or "shadow" configurations since then we could not run code
// in the IDE or with "gradle run". We also cannot exclude transitive dependencies from the
// shadowJar yet (see https://github.com/johnrengelman/shadow/issues/159).
// -> Explicitly define the // libraries we want to be included in the "flinkShadowJar" configuration!
configurations {
flinkShadowJar // dependencies which go into the shadowJar
// always exclude these (also from transitive dependencies) since they are provided by Flink
flinkShadowJar.exclude group: 'org.apache.flink', module: 'force-shading'
flinkShadowJar.exclude group: 'com.google.code.findbugs', module: 'jsr305'
flinkShadowJar.exclude group: 'org.slf4j'
flinkShadowJar.exclude group: 'log4j'
}
dependencies {
// --------------------------------------------------------------
// Compile-time dependencies that should NOT be part of the
// shadow jar and are provided in the lib folder of Flink
// --------------------------------------------------------------
// https://mvnrepository.com/artifact/org.redisson/redisson
implementation 'org.redisson:redisson:3.16.8'
// https://mvnrepository.com/artifact/org.apache.flink/flink-clients
implementation "org.apache.flink:flink-clients_${scalaBinaryVersion}:${flinkVersion}"
// implementation "org.apache.flink:flink-java:${flinkVersion}"
// implementation "org.apache.flink:flink-streaming-java_${scalaBinaryVersion}:${flinkVersion}"
// https://mvnrepository.com/artifact/org.apache.flink/flink-table-api-java-bridge
implementation "org.apache.flink:flink-table-api-java-bridge_${scalaBinaryVersion}:${flinkVersion}"
// https://mvnrepository.com/artifact/org.apache.flink/flink-table-planner
implementation "org.apache.flink:flink-table-planner_${scalaBinaryVersion}:${flinkVersion}"
// https://mvnrepository.com/artifact/org.apache.flink/flink-connector-jdbc
implementation "org.apache.flink:flink-connector-jdbc_${scalaBinaryVersion}:${flinkVersion}"
// https://mvnrepository.com/artifact/org.apache.flink/flink-connector-base
implementation "org.apache.flink:flink-connector-base:${flinkVersion}"
// https://mvnrepository.com/artifact/com.ververica/flink-connector-postgres-cdc
implementation group: 'com.ververica', name: 'flink-connector-postgres-cdc', version: '2.1.1'
// https://mvnrepository.com/artifact/com.ververica/flink-connector-mysql-cdc
implementation group: 'com.ververica', name: 'flink-connector-mysql-cdc', version: '2.1.1'
// https://mvnrepository.com/artifact/mysql/mysql-connector-java
implementation 'mysql:mysql-connector-java:8.0.21'
// https://mvnrepository.com/artifact/org.postgresql/postgresql
implementation group: 'org.postgresql', name: 'postgresql', version: '42.3.3'
// --------------------------------------------------------------
// Dependencies that should be part of the shadow jar, e.g.
// connectors. These must be in the flinkShadowJar configuration!
// --------------------------------------------------------------
//flinkShadowJar "org.apache.flink:flink-connector-kafka-0.11_${scalaBinaryVersion}:${flinkVersion}"
// https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core
implementation "org.apache.logging.log4j:log4j-core:${log4jVersion}"
// https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-slf4j18-impl
implementation "org.apache.logging.log4j:log4j-slf4j18-impl:${slf4jVersion}"
// testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.0'
// testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.0'
}
//test {
// useJUnitPlatform()
//}
// make compileOnly dependencies available for tests:
sourceSets {
main.compileClasspath += configurations.flinkShadowJar
main.runtimeClasspath += configurations.flinkShadowJar
test.compileClasspath += configurations.flinkShadowJar
test.runtimeClasspath += configurations.flinkShadowJar
javadoc.classpath += configurations.flinkShadowJar
}
run.classpath = sourceSets.main.runtimeClasspath
jar {
manifest {
attributes 'Built-By': System.getProperty('user.name'),
'Build-Jdk': System.getProperty('java.version')
}
}
shadowJar {
configurations = [project.configurations.flinkShadowJar]
zip64 true
}
tasks.named('wrapper') {
gradleVersion = '7.4.1'
distributionType = Wrapper.DistributionType.ALL
}
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