[GROOVY-5101] GroovyCastException occurs since 1.8.3

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.8.5, 2.0-beta-2
• Environment: MacOSX: 10.6; Groovy Version: 1.8.3; JVM: 1.6.0_26
• Assignee: Jochen Theodorou
• Reporter: Yasuharu Nakano
• Created: 25/Oct/11 04:50
• Updated: 20/Dec/11 09:32
• Resolved: 20/Dec/11 09:32

Description

GroovyServ 0.9 doesn't work with Groovy 1.8.3. Surely, it still works well with Groovy 1.8.2.

Stacktrace on starting-up of GroovyServ:

 2011/10/25 18:17:01.121 ---> org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'groovy.lang.Reference@464693f9' with class 'groovy.lang.Reference' to class 'java.lang.Runnable'
 2011/10/25 18:17:01.121         at org.jggug.kobo.groovyserv.RequestWorker$2.<init>(RequestWorker.groovy)
 2011/10/25 18:17:01.121         at org.jggug.kobo.groovyserv.RequestWorker.newTaskFor(RequestWorker.groovy:85)
 2011/10/25 18:17:01.121         at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:77)
 2011/10/25 18:17:01.121         at java_util_concurrent_ExecutorService$submit.callCurrent(Unknown Source)
 2011/10/25 18:17:01.121         at org.jggug.kobo.groovyserv.RequestWorker.start(RequestWorker.groovy:67)
 ...(snip)...

At line 85 of RequestWorker:

new FutureTask(runnable, defaultValue) { // anonymous inner class
    String toString() { runnable.id }
}

When I tried to fix it as following, it worked well even with groovy 1.8.3.

        new FutureTask(runnable, defaultValue)

I'm sorry. I wanted to report the sample code which is independent on GroovyServ, but the problem didn't occur on the simplified sample code.

This might be the same problem as http://jira.codehaus.org/browse/GROOVY-5077.

GroovyServ: http://kobo.github.com/groovyserv/
RequestWorker's full source code: https://github.com/kobo/groovyserv/blob/master/src/main/groovy/org/jggug/kobo/groovyserv/RequestWorker.groovy