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Build errors [message #1841790] Sat, 29 May 2021 13:09 Go to next message
Bob Matthews is currently offline Bob MatthewsFriend
Messages: 1
Registered: May 2021
Junior Member
My first project has the following build errors:-

Description Resource Path Location Type
Project 'DirectionalChange' is missing required library: 'C:\Users\atna3\workspace\dc\lib\autoweka.jar' DirectionalChange Build path Build Path Problem
Project 'DirectionalChange' is missing required library: 'C:\Users\atna3\workspace\dc\lib\commons-math3-3.6.1.jar' DirectionalChange Build path Build Path Problem
Project 'DirectionalChange' is missing required library: 'C:\Users\atna3\workspace\dc\lib\joda-time-2.9.9.jar' DirectionalChange Build path Build Path Problem
Project 'DirectionalChange' is missing required library: 'C:\Users\atna3\workspace\dc\lib\SMOTE.jar' DirectionalChange Build path Build Path Problem
Project 'DirectionalChange' is missing required library: 'C:\Users\atna3\workspace\dc\lib\ta4j.jar' DirectionalChange Build path Build Path Problem
Project 'DirectionalChange' is missing required library: 'C:\Users\atna3\workspace\dc\lib\weka.jar' DirectionalChange Build path Build Path Problem
The project cannot be built until build path errors are resolved DirectionalChange Unknown Java Problem

I can see the various jar files under the lib folder

How do I correct the build paths ?
Bob M
Re: Build errors [message #1841878 is a reply to message #1841790] Tue, 01 June 2021 21:24 Go to previous messageGo to next message
Nitin Dahyabhai is currently offline Nitin DahyabhaiFriend
Messages: 4085
Registered: July 2009
Senior Member

Could you show us a screenshot with them?

Nitin Dahyabhai
Eclipse Web Tools Platform

[Updated on: Tue, 01 June 2021 21:24]

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Re: Build errors [message #1841882 is a reply to message #1841878] Wed, 02 June 2021 06:53 Go to previous message
Thomas Wolf is currently offline Thomas WolfFriend
Messages: 395
Registered: August 2016
Senior Member
@Bob: you have to tell Java to use these libraries by including them in the classpath.

  1. In the context menu of the project, choose "Properties".
  2. In the dialog that opens, select "Java Build Path" on the left side.
  3. Select the "Libraries" tab on the right.
  4. Click the "Add..." button and add the JARs in that lib folder.

Then click "Apply".
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