[jira] [Updated] (GROOVY-8875) NullObject.metaClass

["Paul King (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-8875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King updated GROOVY-8875:
------------------------------
    Fix Version/s:     (was: 3.x)

> NullObject.metaClass
> --------------------
>
>                 Key: GROOVY-8875
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8875
>             Project: Groovy
>          Issue Type: Bug
>            Reporter: Pruteanu Dragos
>            Priority: Major
>
> Hi,
> I execute this. The third shell.evaluate throws an exception:
> {code}
> final GroovyShell shell = new GroovyShell( binding, FormsGroovyConfiguration.CONFIG );
> // THIS WILL FORCE NULL VARIABLES TO PRINT AS '' INSTEAD OF NULL
> // http://stackoverflow.com/questions/10517817/how-to-get-rid-of-null-when-concating-string-in-groovy
> shell.evaluate("org.codehaus.groovy.runtime.NullObject.metaClass.toString = { return '' }");
> {code}
> And got the next exception. This used to work in Java 10 and before, it crashes under Java 11. Could have something to do with java modules ?
> {noformat}
> Exception in thread "JavaFX Application Thread" BUG! exception in phase 'semantic analysis' in source unit 'Script1.groovy' null
>  at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:970)
>  at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:633)
>  at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:582)
>  at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:324)
>  at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:294)
>  at groovy.lang.GroovyShell.parseClass(GroovyShell.java:558)
>  at groovy.lang.GroovyShell.parse(GroovyShell.java:570)
>  at groovy.lang.GroovyShell.evaluate(GroovyShell.java:454)
>  at groovy.lang.GroovyShell.evaluate(GroovyShell.java:493)
>  at groovy.lang.GroovyShell.evaluate(GroovyShell.java:464)
> {noformat}



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