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Editorial Team
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Asked: 2026-05-12T11:56:57+00:00

I am using Netbeans IDE for a java project. In this project i need

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I am using Netbeans IDE for a java project. In this project i need a jar file “htmlunit-2.6.jar”.

I have included this jar file in the project libraries folder. I have instantiated one of its class “WebClient” but this class needs other classes of “commons-httpclient-3.1.jar” file.

Now I have also included “commons-httpclient-3.1.jar” file in the project libraries folder. But when I compiled my source file, it throws

ClassNotFoundException: org.apache.commons.httpclient.auth.CredentialsProvider

Kindly tell me how to handle this situation when one class in one jar file needs other classes in other jar file.

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1 Answer

  1. Editorial Team

    Simply put the required jar files on the classpath at compile-time and it should work. If you were doing it from the command-line then it would look like this:

    javac -cp jar1:jar2 my.Application

    If you are using NetBeans then you need to tell NetBeans that both of the JARs are on your classpath. It will be definable in a Project > Properties wizard as described here and also here from the tutorial

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