在 Windows 8 上获取 java.lang.NoClassDefFoundError [英] Getting java.lang.NoClassDefFoundError on windows 8

问题描述

当我尝试通过给出以下命令运行 jar 文件时

When I am trying to run a jar file by giving the following command

java -Xmx500m -jar ap.jar %1 %2 %3 %4 %5 %6 %7 %8 %9

我收到以下错误.我正在使用 Windows 8

I am getting the following error. I am using windows 8

Throwable Error: java.lang.NoClassDefFoundError: org/supercsv/prefs/CsvPreference
Exception in thread "main" java.lang.Error: java.lang.NoClassDefFoundError: org/supercsv/prefs/CsvPreference
        at bc.c.Util.process(Util.java:135)
        at bc.m.TabularReader$CSVReader.<init>(TabularReader.java:68)
        at bc.m.TabularReader.<init>(TabularReader.java:37)
        at bc.c.Spread2db.main(Spread2db.java:244)
Caused by: java.lang.NoClassDefFoundError: org/supercsv/prefs/CsvPreference
        at bc.m.TabularReader$CSVReader.<init>(TabularReader.java:64)
        ... 2 more
Caused by: java.lang.ClassNotFoundException: org.supercsv.prefs.CsvPreference
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 3 more

请帮我解决这个异常.

推荐答案

您需要的是下载 SuperCSV jar 并将其放在您的类路径中.

What you need is to download the SuperCSV jar and also place it on your classpath.

http://sourceforge.net/p/supercsv/news/2014/04/super-csv-220-released/

您使用的库 (ap.jar) 指的是另一个 SuperCSV 库.因此，您的类路径中也需要 SuperCSV jar.

The library you're using (ap.jar) is referring to this other SuperCSV library. So you need the SuperCSV jar on your classpath too.

http://sourceforge.net/projects/supercsv/files/

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