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From "Steven Dick (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GROOVY-8420) @TypeChecked in 2.4.13 produces incorrect compiler error
Date Wed, 17 Jan 2018 11:58:00 GMT

    [ https://issues.apache.org/jira/browse/GROOVY-8420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328660#comment-16328660
] 

Steven Dick commented on GROOVY-8420:
-------------------------------------

{{We're using: }}
{code:java}
javax.annotation.Nullable{code}
{{We never got around to testing Groovy 2.4.13 on our CI server due to finding the error in
Intellij after the upgrade.}}

I can confirm that running our Gradle build with Groovy 2.4.13 succeeds, so this can be closed
as it must be a bug in Intellij.

> @TypeChecked in 2.4.13 produces incorrect compiler error
> --------------------------------------------------------
>
>                 Key: GROOVY-8420
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8420
>             Project: Groovy
>          Issue Type: Bug
>          Components: Compiler
>    Affects Versions: 2.4.13
>         Environment: Windows 10, Java 8 Update 152, IntelliJ IDEA Build #IC-173.4127.2
>            Reporter: Steven Dick
>            Priority: Major
>
> After upgrading to Groovy 2.4.13, the following code no longer compiles in Intellij:
> {code:java}
> @TypeChecked
> public class EnhancedDerivedNonUnitisedPrice {
> ...
>     public @Nullable BigDecimal getReturnPerc() {
>         return null;
>     }
> ...
> {code}
> The error is, "Cannot return 'null' from method returning BigDecimal".
> Either removing the {{@TypeChecked}} or adding a cast to {{BigDecimal}} resolves the
problem.



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