Thanks Rony for replying. I did the changes but still getting the
following exception. Do I have to configure (provide path) to some log
file somewhere?
Exception in thread "main" java.lang.NoClassDefFoundError:
org/apache/commons/logging/LogFactory
at org.apache.bsf.BSFManager.<init>(BSFManager.java:102)
at EvaluatorB.Evaluate(EvaluatorB.java:13)
at Evaluator.main(Evaluator.java:8)
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.logging.LogFactory
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)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 3 more
Below is my program
import org.apache.*;
import org.apache.bsf.*;
public class EvaluatorB {
public EvaluatorB()
{
}
public Object Evaluate(){
Object o = null;
try{
BSFManager manager = new
org.apache.bsf.BSFManager();
o = manager.eval("java","",0,0,"return
(2==2);");
}
catch(BSFException exc)
{
String s = exc.toString();
System.out.println(s);
}
return o;
}
}
-----Original Message-----
From: Rony G. Flatscher [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 15, 2008 3:57 AM
To: Bean Scripting Framework users
Subject: Re: evaluating simple string "2 == 2"
Hi Raza,
also, make sure that the Java statement is syntactically correct.
In your example you obviously want to execute the following Java
statement: "return (2==2);". Hence your eval invocation should probably
read:
Object o = manager.eval("java","",0,0,"return (2==2);");
HTH,
---rony
Raza, Rizwan (MLCI) wrote:
> Hi folks:
>
>
>
> How can I evaluate the string "2 == 2" in a java program. Is it
> possible?
>
>
>
> I did the following but it is throwing ClassNotFound exception
>
>
>
> BSFManager manager = new org.apache.bsf.BSFManager();
>
> Object o = manager.eval("","",0,0,"2==2");
>
> return o.toString();
>
>
>
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/commons/logging/LogFactory
>
> at org.apache.bsf.BSFManager.<init>(BSFManager.java:102)
>
> at EvaluatorB.Evaluate(EvaluatorB.java:13)
>
> at Evaluator.main(Evaluator.java:8)
>
> Caused by: java.lang.ClassNotFoundException:
> org.apache.commons.logging.LogFactory
>
> 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)
>
> at java.lang.ClassLoader.loadClassInternal(Unknown Source)
>
> ... 3 more
>
>
>
> I think I am missing some configuration file. Can someone please point
> me to the right direction?
>
>
>
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