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https://issues.apache.org/jira/browse/GROOVY-7639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14972500#comment-14972500
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Jochen Theodorou commented on GROOVY-7639:
------------------------------------------
I suggest you change the tests to check for the boxed variant as part of this
fix. If there will be more tests failing as a result of this, we can discuss
further
> NPE when using safe traversal operator with CompileStatic
> ---------------------------------------------------------
>
> Key: GROOVY-7639
> URL: https://issues.apache.org/jira/browse/GROOVY-7639
> Project: Groovy
> Issue Type: Bug
> Components: Compiler
> Affects Versions: 2.4.5
> Reporter: Ben Podoll
>
> In the code below, the "if" condition throws a NPE when it reaches the "p3"
> object. If I remove the @CompileStatic from the "SomeOther" class it works.
> {code:java}
> import groovy.transform.CompileStatic
> @CompileStatic
> class Person {
> String name
> OtherInfo otherInfo
> }
> @CompileStatic
> class OtherInfo {
> int favoriteNumber
> }
> @CompileStatic
> class SomeOther {
> SomeOther() {
> Person p1 = new Person(name: 'Ben', otherInfo: new
> OtherInfo(favoriteNumber: 1))
> Person p2 = new Person(name: 'Aaron', otherInfo: new OtherInfo())
> Person p3 = new Person(name: 'Fred')
> [p1,p2,p3].each { Person p ->
> println "checking: ${p.name}"
> println p?.otherInfo?.favoriteNumber
> if(p?.otherInfo?.favoriteNumber == 7){
> println "luckiest number!"
> }
> }
> }
> }
> new SomeOther()
> {code}
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