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Posted to issues@commons.apache.org by "Constantin Mitocaru (JIRA)" <ji...@apache.org> on 2016/03/22 14:14:25 UTC
[jira] [Created] (JEXL-192) Invalid return type when expected rsult
is null
Constantin Mitocaru created JEXL-192:
----------------------------------------
Summary: Invalid return type when expected rsult is null
Key: JEXL-192
URL: https://issues.apache.org/jira/browse/JEXL-192
Project: Commons JEXL
Issue Type: Bug
Affects Versions: 3.0
Reporter: Constantin Mitocaru
Priority: Blocker
In jexl2 this code correctly outputs the line:
{code}
null
{code}
{code:java}
JexlEngine jexl = new JexlEngine();
Record r = new Record();
r.setHeader(new RecordHeader());
JexlContext jc = new MapContext();
jc.set("r", r );
jc.set("com.s.objects.record.RecordUtils", com.s.objects.record.RecordUtils.class );
Expression e = jexl.createExpression( "com.s.objects.record.RecordUtils.getHeaderAgeOrResolveItFromDOB(r)" );
System.out.println( e.evaluate(jc) );
{code}
The signature of the method getHeaderAgeOrResolveItFromDOB() is:
{code:java}
public static Integer getHeaderAgeOrResolveItFromDOB( final Record rec ) {
...
}
{code}
But in jexl3 this code produces:
{code}
class com.s.objects.record.RecordUtils
{code}
{code:java}
JexlEngine jexl = new JexlBuilder().create();
Record r = new Record();
r.setHeader(new RecordHeader());
JexlContext jc = new MapContext();
jc.set("r", r );
jc.set("com.s.objects.record.RecordUtils", com.s.objects.record.RecordUtils.class );
JexlExpression e = jexl.createExpression( "com.s.objects.record.RecordUtils.getHeaderAgeOrResolveItFromDOB(r)" );
System.out.println( e.evaluate(jc) );
{code}
So it returns the class of the utility rather than the value null!
I think jexl3 version 3.0 was not really ready for prime time.
I really screwed up my project upgrading to 3.0.
When do you guys anticipate to release 3.1?
Is there a way to work with a snapshot after this fix?
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