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https://issues.apache.org/jira/browse/GROOVY-11329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-11329.
------------------------------
Fix Version/s: 5.0.0-alpha-7
4.0.20
Resolution: Fixed
NPE guard added.
> Class using trait and @Immutable and allProperties gives BUG! exception in
> phase 'canonicalization' NPE
> -------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-11329
> URL: https://issues.apache.org/jira/browse/GROOVY-11329
> Project: Groovy
> Issue Type: Bug
> Reporter: Paul King
> Assignee: Paul King
> Priority: Major
> Fix For: 5.0.0-alpha-7, 4.0.20
>
>
> {code}
> import groovy.transform.Immutable
> trait T {
> String foo
> }
> @Immutable(allProperties=true)
> class C implements T {
> String bar
> }
> assert new C('bar', 'foo').toString() == 'C(bar, foo)'
> {code}
> Gives:
> {noformat}
> BUG! exception in phase 'canonicalization' in source unit 'ConsoleScript0'
> unexpected NullPointerException
> ...
> Caused by: java.lang.NullPointerException
> at
> groovy.transform.options.ImmutablePropertyHandler.assignFieldWithDefault(ImmutablePropertyHandler.java:237)
> at
> groovy.transform.options.ImmutablePropertyHandler.createConstructorStatementDefault(ImmutablePropertyHandler.java:225)
> {noformat}
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