[Cdk-devel] [ cdk-Bugs-1080280 ] DescriptorEngine constructor fails

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Bugs item #1080280, was opened at 2004-12-06 23:07
Message generated for change (Comment added) made by egonw
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Category: cdk-qsar module
Group: None
>Status: Closed
Resolution: Works For Me
Priority: 5
Submitted By: Rajarshi Guha (rajarshi)
Assigned to: Egon Willighagen (egonw)
Summary: DescriptorEngine constructor fails

Initial Comment:
When trying to instantiate the DescriptorEngine class
it crashes with the error:

Exception in thread "main"
java.lang.NoClassDefFoundError:
junit/framework/AssertionFailedError
        at
java.lang.Class.getDeclaredConstructors0(Native Method)
        at
java.lang.Class.privateGetDeclaredConstructors(Class.java:2328)
        at java.lang.Class.getConstructor0(Class.java:2640)
        at java.lang.Class.newInstance0(Class.java:321)
        at java.lang.Class.newInstance(Class.java:303)
        at
org.openscience.cdk.qsar.DescriptorEngine.<init>(DescriptorEngine.java:75)
        at test.main(test.java:7)

A test program that reproduces this error is given below:

import org.openscience.cdk.qsar.DescriptorEngine;

public class test {
public static void main(String[] args) {
      DescriptorEngine de = new DescriptorEngine();
  }
}


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>Comment By: Egon Willighagen (egonw)
Date: 2004-12-13 12:51

Message:
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Comment By: Rajarshi Guha (rajarshi)
Date: 2004-12-07 13:30

Message:
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user_id=349408

Yes, you're right. It seems I did'nt have junit.jar in my
CLASSPATH. As a developer this is fine - but is there a
reason for the dependency on junit when it is not a test?

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Comment By: Egon Willighagen (egonw)
Date: 2004-12-06 23:34

Message:
Logged In: YES 
user_id=25678

Hi Rajarshi, I'm not sure what the problem is that you have, 
but the constructor seems fine; I've added a JUnit test for it. 
And running the above code works fine too. 
 
I'm puzzeled why it actually fails to find a class definition for 
a JUnit framework class... that's not really used... 
 
Does the cdk.applications.DescriptorCalculator run on your 
environment? 
 
What are the details of your environment? 'ant info' 

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