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https://issues.apache.org/jira/browse/GROOVY-7732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15107125#comment-15107125
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Rafael Gonçalves Sampaio commented on GROOVY-7732:
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Hi Pascal. I do understand now why it should be compiled with java 7. I'm not
sure either why compilation of my reports link to NIO either, since i don't do
anything special like accessing Paths. Perhaps due to subreports. All I know is
that the error is being shown on Java 6, but as per Doc, it states this are
compliant with java 6.
IMHO, As Java 7 is a must for NIO, the compatibility should be changed or the
compiler linkage should be changed upon target environment, or the environment
should be tested whenever using / loading this class.
Kindly,
Rafael Sampaio
> NioGroovyMethods compiled for java 7 in non-indy groovy
> -------------------------------------------------------
>
> Key: GROOVY-7732
> URL: https://issues.apache.org/jira/browse/GROOVY-7732
> Project: Groovy
> Issue Type: Bug
> Components: groovy-runtime
> Affects Versions: 2.4.5
> Environment: jdk 1.6u45
> groovy-all-2.3.x.jar or groovy-all-2.4.x.jar
> Reporter: Rafael Gonçalves Sampaio
> Priority: Minor
> Labels: groovy-all
>
> As per docs non-indy versions of groovy requires jvm 1.6, but this error is
> being issued when running a jasper report compiled with groovy versions above
> 2.2.2. using java 6. Report is still shown but lots of verbose in log.
> java.lang.UnsupportedClassVersionError:
> org/codehaus/groovy/runtime/NioGroovyMethods : Unsupported major.minor
> version 51.0
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