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Martin Hák commented on GROOVY-7291: ------------------------------------ Hi guys, is there any new info about this fix, pls? > Declaration of double variable without value assignment referrenced in closure > ------------------------------------------------------------------------------ > > Key: GROOVY-7291 > URL: https://issues.apache.org/jira/browse/GROOVY-7291 > Project: Groovy > Issue Type: Bug > Affects Versions: 1.8.6, 2.2.1, 2.4.0 > Environment: Windows 8.1, JDK 1.7_71 and 1.8_25 > Reporter: David Richter > Priority: Critical > Attachments: groovyBug.zip > > > I have problem with following code: > double a; > def b = { > a = a + 1; > } > b(); > I tried to compile it with groovy 1.8.6 and it worked > variable 'a' was instantiated with value 0.0 > but after upgrade to groovy 2.2.1 > it throws NullPointerException because variable 'a' is instantiated to null > I tried to decompile class files and declaration of 'a' looked like this: > version 1.8.6 > CallSite[] var1 = $getCallSiteArray(); > final Reference a = new > Reference((Double)DefaultTypeTransformation.box(0.0D)); > DefaultTypeTransformation.doubleUnbox(a.get()); > ... > version 2.2.1 > CallSite[] var1 = $getCallSiteArray(); > final Reference a = new Reference((Object)null); > Double var10000 = (Double)a.get(); > ... > I tried it also with version 2.4.0 but it has same result as 2.2.1 > In attachment are groovy classes, compiled classes and consoleOutputs for > versions 1.8.6 and 2.2.1 -- This message was sent by Atlassian JIRA (v6.3.4#6332)