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I'm using sevenZipJBinding to uncompress a .tar file in dynamic web project i put their jar in my project and when I run it i get this error:

java.lang.NoClassDefFoundError: net/sf/sevenzipjbinding/IInStream
    at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:111)

What does it mean ?

And how to fix it ?

khaled Rihane
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1 Answers1

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This means that the method invoke in the class com.sun.faces.facelets.el.TagMethodExpression uses the class or interface net.sf.sevenzipjbinding.IInStream at line 111 of the source file it was compiled from (TagMethodExpression.java), but the classloader is unable to find that class now (it's probably missing), even though it was probably present at compile time (unless someone edited the bytecode manually).

I'm not sure if that's what you wanted to know, but it definitely is what you asked for.

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