[infinispan-issues] [JBoss JIRA] Commented: (ISPN-1190) ModuleProperties could cause memory leaks

[Galder Zamarreño (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-1190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12613506#comment-12613506 ] 

Galder Zamarreño commented on ISPN-1190:
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Yeah, weak maps won't help for moduleProperties and commandFactories, but they would with the first two.

I'm fine with it being unsupported for end users. We need to make sure though that EDG reflects this.

> ModuleProperties could cause memory leaks
> -----------------------------------------
>
>                 Key: ISPN-1190
>                 URL: https://issues.jboss.org/browse/ISPN-1190
>             Project: Infinispan
>          Issue Type: Bug
>            Reporter: Galder Zamarreño
>            Assignee: Manik Surtani
>             Fix For: 5.1.0.BETA1, 5.1.0.Final
>
>
> ModuleProperties can create class memory leaks, because it contains static collections with references to user defined classes:
> {code}private static Map<Byte,Class<? extends ModuleCommandInitializer>> commandInitializers;
> private static Collection<Class<? extends ReplicableCommand>> moduleCommands;{code}
> Also, the following two collections could contain references to instances of user defined classes in static collections:
> {code}private static Map<String,ModuleProperties> moduleProperties;
> private static Map<Byte,ModuleCommandFactory> commandFactories;{code}
> These collections should not be static, and their clearing should be guaranteed at stoppage time. Even if there's any issues at stoppage time, they should not leak and so any collections containing Class instances should be weakly referenced.

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