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Samebug tips

  1. ,
    Expert tip

    A few things cause this exception:
    1) Check if you have all jars and if they're in the correct path.
    2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

  2. ,

    you can change your scala version to 2.11.11

Solutions on the web

via GitHub by moonlightheng
, 2 years ago
via GitHub by ChenJingLei
, 1 year ago
org/apache/commons/lang/StringUtils
java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils at us.codecraft.webmagic.downloader.HttpClientDownloader.getHtmlCharset(HttpClientDownloader.java:212) at us.codecraft.webmagic.downloader.HttpClientDownloader.getContent(HttpClientDownloader.java:194) at us.codecraft.webmagic.downloader.HttpClientDownloader.handleResponse(HttpClientDownloader.java:182) at us.codecraft.webmagic.downloader.HttpClientDownloader.download(HttpClientDownloader.java:96) at us.codecraft.webmagic.Spider.processRequest(Spider.java:409) at us.codecraft.webmagic.Spider$1.run(Spider.java:322) at us.codecraft.webmagic.thread.CountableThreadPool$1.run(CountableThreadPool.java:74) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.StringUtils at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 10 more