[jira] [Closed] (GROOVY-8805) GroovyScriptEngine reload fails when dependent class is deleted

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

     [ https://issues.apache.org/jira/browse/GROOVY-8805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King closed GROOVY-8805.
-----------------------------

> GroovyScriptEngine reload fails when dependent class is deleted
> ---------------------------------------------------------------
>
>                 Key: GROOVY-8805
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8805
>             Project: Groovy
>          Issue Type: Bug
>          Components: GroovyScriptEngine
>    Affects Versions: 2.4.15, 2.5.2
>            Reporter: Gary Clayburg
>            Assignee: Daniel Sun
>            Priority: Major
>             Fix For: 3.0.0-alpha-4
>
>
> When using GroovyScriptEngine.loadScriptByName(scriptName), the reloading will fail with a groovy.util.ResourceException if a dependent class has been removed from the script root filesystem.  To reproduce this issue, start with a script and a dependent class:
> ClassA.groovy
> {code:java}
> DependentClass ic = new DependentClass(){code}
>  
>  DependentClass.groovy
>  
> {code:java}
>  class DependentClass {}
>  
> {code}
>  
> When these classes are initially compiled with GroovyScriptEngine, things work fine.  There are no errors when loading the script like this:
>  
> {code:java}
> gse.loadScriptByName('ClassA.groovy'){code}
>  
> However, once DependentClass.groovy is completely removed from the filesystem and ClassA is modified to remove the reference, the same gse.loadScriptByName('ClassA.groovy') will fail with a groovy.utilResourceExeption. 
>  
> It appears GroovyScriptEngine keeps a dependency cache and gets confused in this case.  The line that fails is a check for lastModifedTime of this dependency.  The dependency of course no longer exists, but the check for lastModiedTime occurs before ClassA compile has been attempted.
>  
> I am working on a PR that fixes this.  It seems to me that inside gse.isSourceNewer(entry), it can just treat a ResourceException during getLastModifed(scriptName) as an indication to just attempt a recompile instead of throwing the exception.
>  
>  



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