Groovy @Grab生成java.lang.NoClassDefFoundError [英] Groovy @Grab generating java.lang.NoClassDefFoundError

问题描述

我试图让Jsoup和Gaelyk一起开展我的Google App Engine实验项目。在我的日常工作中，我和Grails一起工作，所以想象一下，开始和Gaelyk一起玩是一块蛋糕......并不是那么快......

发生错误当我包括：

  @Grab（'org.jsoup：jsoup：1.9.2'）
  

项目构建。但是，访问我正在执行HTML抓取的页面时，出现此错误：

HTTP ERROR 500

访问 /。

的问题

 原因： org / apache / ivy / core / report / ResolveReport 
导致：java.lang.NoClassDefFoundError：org / apache / ivy / core / report / ResolveReport 
导致：java.lang.ClassNotFoundException：org。 apache.ivy.core.report.ResolveReport 
导致：java.lang.ClassNotFoundExeption：org.apache.ivy.core.report.ResolveReport 
  

更新 build.gradle 文件没有多少好处，我使用Glide来构建项目....任何想法都将得到最多赞赏！

解决方案

正如你所提到的，你正在使用glide，把它放在你的 build.gradle file：

 插件{
 idcom .appspot.glide-gaeversion0.9.3
} 
 
依赖项{
 compileorg.jsoup：jsoup：1.9.2

  

在你的Groovlet中，所有你需要的是：

$ p $ import org.jsoup。*

def doc = Jsoup.connect（ http：//< your-url-here>）.get（）


重新开始营业

更新：我添加了一个样本 Scraper 滑翔样本

I am attempting to get Jsoup to work on my Google App Engine experiment project with Gaelyk. I work with Grails at my day job, so figured it would be a piece of cake to start playing with Gaelyk... Not so fast...

The error happens when I include:

@Grab('org.jsoup:jsoup:1.9.2')

Project builds. But, accessing the page where I am doing the HTML scraping I get this error:

HTTP ERROR 500

Problem accessing /.

Reason: org/apache/ivy/core/report/ResolveReport
Caused by: java.lang.NoClassDefFoundError:   org/apache/ivy/core/report/ResolveReport 
Caused by: java.lang.ClassNotFoundException: org.apache.ivy.core.report.ResolveReport
Caused by: java.lang.ClassNotFoundExeption:  org.apache.ivy.core.report.ResolveReport

Not having much luck updating the build.gradle file I use with Glide to build the project.... Any ideas would be MOST appreciated!

解决方案

As you mentioned you are using glide, put this in your build.gradle file:

plugins {
    id "com.appspot.glide-gae" version "0.9.3"
}

dependencies {
    compile "org.jsoup:jsoup:1.9.2" 
}

In your Groovlet, all you need is:

import org.jsoup.*

def doc = Jsoup.connect("http://<your-url-here>").get()

And you are back in business

Update: I have added a sample Scraper in glide-samples

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