gradle 将依赖打入Jar包的方法

使用的是IDEA,直接引入java

plugins {
    id 'com.github.johnrengelman.shadow' version '1.2.3'
}

  放在build.gradle的最上面,而后执行shadowJar便可。git

网上说有一种方法github

jar {
    manifest {
        attributes "Main-Class": "$mainClassName"
    }

    from {
        configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
    }
}

  这种方法确实打入进去了,可是运行的时候报错,异常以下:socket

Exception in thread "main" java.lang.VerifyError: (class: org/jboss/netty/channel/socket/nio/NioWorkerPool, method: newWorker signature: (Ljava/util/concurrent/Executor;)Lorg/jboss/netty/channel/socket/nio/AbstractNioWorker;) Wrong return type in function
	at org.elasticsearch.transport.netty.NettyTransport.createClientBootstrap(NettyTransport.java:354)
	at org.elasticsearch.transport.netty.NettyTransport.doStart(NettyTransport.java:290)
	at org.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:68)
	at org.elasticsearch.transport.TransportService.doStart(TransportService.java:182)
	at org.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:68)
	at org.elasticsearch.client.transport.TransportClient$Builder.build(TransportClient.java:162)

  不知道什么缘由,不过用第三方插件暂时能够解决,缘由慢慢排查了。elasticsearch

另外还有一种方法能够运行,不过依赖单独放入一个lib目录下,也就是jar和依赖分离的方法:gradle

jar {
    String someString = ''
    configurations.runtime.each {someString = someString + " lib//"+it.name}
    manifest {
        attributes 'Main-Class': 'com.gridsum.techpub.legal.etl.App'
        attributes 'Class-Path': someString
    }

}

  之后用获得的时候再说~ui

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