Re: [jdt-core-dev] Bug spotted when compiling a lambda project

["Daniel Megert" <daniel_megert@xxxxxxxxxx>]

Please check whether the bug is reported
in bugzilla and if not, report it.

Thanks,
Dani



From:      
 Simon Urli <simon.urli@xxxxxxxx>
To:      
 jdt-core-dev@xxxxxxxxxxx
Date:      
 30.01.2017 15:04
Subject:    
   [jdt-core-dev]
Bug spotted when compiling a lambda project
Sent by:    
   jdt-core-dev-bounces@xxxxxxxxxxx

---

Hi,

we currently use JDT in our project Spoon 
(https://github.com/INRIA/spoon),
in order to build our own Java AST 
model before doing some transformation. Recently we had an issue when 
using Spoon on a project which define lambda utilities: 
https://github.com/palatable/lambda

Then I just tried to compile the project in IntelliJ using Eclipse 
compiler and it shows some errors (13 precisely) like:

Error:(65, 27) java: Type mismatch: cannot convert from new 
com.jnape.palatable.lambda.adt.coproduct.CoProduct2<A,B>(){} to 
capture#8-of ? extends 
com.jnape.palatable.lambda.adt.coproduct.CoProduct2<A,B>

Please note that the project compile well using javac with JDK 8.
I'm using in IntelliJ Eclipse compiler 4.6.1 and in Spoon we are using
the following JDT dependency:

     <dependency>
       <groupId>org.eclipse.tycho</groupId>
       <artifactId>org.eclipse.jdt.core</artifactId>
       <version>3.12.0.v20160516-2131</version>
     </dependency>

I'm not sure if it's a known bug, or if it raises compilation error by
choice as some operation are unchecked here.
You can find attached the entire list of errors.

Regards,
Simon.
-- 
Simon Urli
Research Engineer
INRIA - Spirals Team
LibRepair Project
[attachment "jdt_errors" deleted by Daniel Megert/Zurich/IBM]
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