[infinispan-issues] [JBoss JIRA] Commented: (ISPN-390) Upgrade to a Scala version that fixes java constant reference issue

[Galder Zamarreño (JIRA)]

    [ https://jira.jboss.org/browse/ISPN-390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565213#comment-12565213 ] 

Galder Zamarreño commented on ISPN-390:
---------------------------------------

Manik, how did you verify that the issue was fixed? 

I've tried:

@Marshallable(externalizer = classOf[CacheValue.Externalizer], id = Ids.SERVER_CACHE_VALUE)
class CacheValue(val data: Array[Byte], val version: Long) {

And IntelliJ complains with:

error: annotation argument needs to be a constant; found: Ids.SERVER_CACHE_VALUE
@Marshallable(externalizer = classOf[CacheValue.Externalizer], id = Ids.SERVER_CACHE_VALUE)

I've then run maven and it compiles fine. I've checked IntelliJ and is indeed compiling with Scala 2.8.1...

> Upgrade to a Scala version that fixes java constant reference issue
> -------------------------------------------------------------------
>
>                 Key: ISPN-390
>                 URL: https://jira.jboss.org/browse/ISPN-390
>             Project: Infinispan
>          Issue Type: Thirdparty Change
>          Components: Cache Server
>            Reporter: Galder Zamarreño
>            Assignee: Galder Zamarreño
>             Fix For: 4.2.0.CR2
>
>
> Currently Scala has issues reusing static constant from .java files. Example:
> // TODO: putting Ids.HOTROD_CACHE_KEY fails compilation in 2.8 - https://lampsvn.epfl.ch/trac/scala/ticket/2764
> @Marshallable(externalizer = classOf[CacheKeyExternalizer], id = 57)
> final class CacheKey(val data: Array[Byte]) {
> ...
> The root cause appears to be https://lampsvn.epfl.ch/trac/scala/ticket/2764
> This task aims to upgrade Scala to a version that fixes this issue.

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