VSCrawler 爬虫 java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory 解决方案

长长的报错信息如下：

13:39:15.345 [main] WARN  c.v.vscrawler.core.event.EventLoop - 程序已停止
13:39:15.376 [main] INFO  c.v.v.core.config.DirectoryWatcher - 注册事件：ENTRY_MODIFY
13:39:15.376 [main] INFO  c.v.v.core.config.DirectoryWatcher - 注册事件：ENTRY_DELETE
13:39:15.376 [main] INFO  c.v.v.core.config.DirectoryWatcher - 监控目录:E:\ideaspace\spider\Demo\target\classes
13:39:15.376 [main] INFO  c.v.v.c.seed.BerkeleyDBSeedManager - vsCrawler配置工作目录:classpath:work
13:39:15.392 [main] INFO  c.v.v.c.seed.BerkeleyDBSeedManager - vsCrawler实际工作目录:E:\ideaspace\spider\Demo\target\classes\work
13:39:15.830 [main] INFO  c.v.v.core.seed.LocalFileSeedSource - 没有配置初始种子
13:39:15.830 [main] INFO  c.v.v.c.seed.BerkeleyDBSeedManager - import new init seeds:0
################################################
##############     VSCrawler      ##############
##############       0.0.1        ##############
############## 你有一个有意思的灵魂 ##############
################################################
##############       virjar       ##############
################################################
13:39:16.111 [VSCrawler-Dispatch] INFO  com.virjar.vscrawler.core.VSCrawler - Spider  started!
Exception in thread "VSCrawlerWorker-thread-1" Exception in thread "VSCrawlerWorker-thread-2" Exception in thread "VSCrawlerWorker-thread-6" Exception in thread "VSCrawlerWorker-thread-3" Exception in thread "createNewSession" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactoryat org.apache.http.impl.client.DefaultRedirectStrategy.<init>(DefaultRedirectStrategy.java:76)at org.apache.http.impl.client.DefaultRedirectStrategy.<clinit>(DefaultRedirectStrategy.java:84)at com.virjar.vscrawler.core.net.DefaultHttpClientGenerator.gen(DefaultHttpClientGenerator.java:22)at com.virjar.vscrawler.core.net.session.CrawlerSession.<init>(CrawlerSession.java:69)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.createNewSession(CrawlerSessionPool.java:126)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.borrowOne(CrawlerSessionPool.java:157)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.processSeed(VSCrawler.java:234)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.run(VSCrawler.java:222)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactoryat java.net.URLClassLoader.findClass(URLClassLoader.java:381)at java.lang.ClassLoader.loadClass(ClassLoader.java:424)at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)at java.lang.ClassLoader.loadClass(ClassLoader.java:357)... 11 more
java.lang.NoClassDefFoundError: Could not initialize class org.apache.http.impl.client.LaxRedirectStrategyat com.virjar.vscrawler.core.net.DefaultHttpClientGenerator.gen(DefaultHttpClientGenerator.java:22)at com.virjar.vscrawler.core.net.session.CrawlerSession.<init>(CrawlerSession.java:69)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.createNewSession(CrawlerSessionPool.java:126)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.borrowOne(CrawlerSessionPool.java:157)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.processSeed(VSCrawler.java:234)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.run(VSCrawler.java:222)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:748)
Exception in thread "VSCrawlerWorker-thread-4" java.lang.NoClassDefFoundError: Could not initialize class org.apache.http.impl.client.LaxRedirectStrategyat com.virjar.vscrawler.core.net.DefaultHttpClientGenerator.gen(DefaultHttpClientGenerator.java:22)at com.virjar.vscrawler.core.net.session.CrawlerSession.<init>(CrawlerSession.java:69)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.createNewSession(CrawlerSessionPool.java:126)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.borrowOne(CrawlerSessionPool.java:157)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.processSeed(VSCrawler.java:234)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.run(VSCrawler.java:222)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:748)
java.lang.NoClassDefFoundError: Could not initialize class org.apache.http.impl.client.LaxRedirectStrategyat com.virjar.vscrawler.core.net.DefaultHttpClientGenerator.gen(DefaultHttpClientGenerator.java:22)at com.virjar.vscrawler.core.net.session.CrawlerSession.<init>(CrawlerSession.java:69)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.createNewSession(CrawlerSessionPool.java:126)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.borrowOne(CrawlerSessionPool.java:157)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.processSeed(VSCrawler.java:234)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.run(VSCrawler.java:222)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:748)
Exception in thread "VSCrawlerWorker-thread-5" java.lang.NoClassDefFoundError: Could not initialize class org.apache.http.impl.client.LaxRedirectStrategyat com.virjar.vscrawler.core.net.DefaultHttpClientGenerator.gen(DefaultHttpClientGenerator.java:22)at com.virjar.vscrawler.core.net.session.CrawlerSession.<init>(CrawlerSession.java:69)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.createNewSession(CrawlerSessionPool.java:126)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.borrowOne(CrawlerSessionPool.java:157)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.processSeed(VSCrawler.java:234)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.run(VSCrawler.java:222)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:748)
java.lang.NoClassDefFoundError: Could not initialize class org.apache.http.impl.client.LaxRedirectStrategyat com.virjar.vscrawler.core.net.DefaultHttpClientGenerator.gen(DefaultHttpClientGenerator.java:22)at com.virjar.vscrawler.core.net.session.CrawlerSession.<init>(CrawlerSession.java:69)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.createNewSession(CrawlerSessionPool.java:126)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.borrowOne(CrawlerSessionPool.java:157)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.processSeed(VSCrawler.java:234)at com.virjar.vscrawler.core.VSCrawler$SeedProcessTask.run(VSCrawler.java:222)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:748)
java.lang.NoClassDefFoundError: Could not initialize class org.apache.http.impl.client.LaxRedirectStrategyat com.virjar.vscrawler.core.net.DefaultHttpClientGenerator.gen(DefaultHttpClientGenerator.java:22)at com.virjar.vscrawler.core.net.session.CrawlerSession.<init>(CrawlerSession.java:69)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.createNewSession(CrawlerSessionPool.java:126)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool.access$600(CrawlerSessionPool.java:28)at com.virjar.vscrawler.core.net.session.CrawlerSessionPool$CreateSessionThread.run(CrawlerSessionPool.java:287)
尝试停止爬虫江城子 . 程序员之歌13:39:31.191 [vsCrawlerEventLoop] INFO  com.virjar.vscrawler.core.VSCrawler - 爬虫停止,发送爬虫停止事件消息:com.virjar.vscrawler.event.systemevent.CrawlerEndEvent十年生死两茫茫，写程序，到天亮。
13:39:31.191 [VSCrawler-Dispatch] WARN  com.virjar.vscrawler.core.VSCrawler - 爬虫线程休眠被打断千行代码，Bug何处藏。
13:39:31.191 [vsCrawlerEventLoop] INFO  c.v.vscrawler.core.event.EventLoop - 收到爬虫结束消息,停止事件循环,未处理将被忽略,当前待处理事件个数:2
13:39:31.191 [vsCrawlerEventLoop] INFO  c.v.v.c.seed.BerkeleyDBSeedManager - 收到爬虫结束消息,开始关闭资源
13:39:31.191 [vsCrawlerEventLoop] INFO  c.v.v.c.seed.BerkeleyDBSeedManager - 拒绝抓取结果入库...纵使上线又怎样，朝令改，夕断肠。
13:39:31.191 [vsCrawlerEventLoop] INFO  c.v.v.c.seed.BerkeleyDBSeedManager - 缓存中未分发数据重新入库,正在执行的爬虫任务,不等待结果,重新入库...13:39:31.191 [VSCrawler-Dispatch] INFO  com.virjar.vscrawler.core.VSCrawler - 爬虫已经停止,不需要发生爬虫停止事件消息领导每天新想法，天天改，日日忙。
13:39:31.191 [VSCrawler-Dispatch] INFO  com.virjar.vscrawler.core.VSCrawler - 爬虫结束相顾无言，惟有泪千行。
13:39:31.191 [vsCrawler-resource-clean] WARN  com.virjar.vscrawler.core.VSCrawler - 爬虫被外部中断,尝试进行资源关闭等收尾工作每晚灯火阑珊处，夜难寐，加班狂。
13:39:31.191 [vsCrawler-resource-clean] INFO  com.virjar.vscrawler.core.VSCrawler - 爬虫已经停止,不需要发生爬虫停止事件消息

笔者在win10旗舰版，intellij idea 2017.2 预览版，jdk 1.8.0_131 下按照官方教程http://vscrawler.scumall.com/进行配置，试图跑Demo时候报了以上错误。
至于bug原因，是没有导入commons-logging-1.0.4包！
解决方案我放两个链接：
1.IntelliJ IDEA添加jar包
2.commons-logging-1.0.4.jar下载地址

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