[jboss-jira] [JBoss JIRA] Commented: (JBCACHE-1346) NullPointerException thrown by CacheInvocationDelegate

[Manik Surtani (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBCACHE-1346?page=comments#action_12412873 ] 
            
Manik Surtani commented on JBCACHE-1346:
----------------------------------------

No, the correct fix is for c.addCacheListener() to be called in SingletonStoreCacheLoader#start()


> NullPointerException thrown by CacheInvocationDelegate
> ------------------------------------------------------
>
>                 Key: JBCACHE-1346
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-1346
>             Project: JBoss Cache
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Cache loaders
>            Reporter: Galder Zamarreno
>         Assigned To: Galder Zamarreno
>             Fix For: 2.2.0.GA
>
>
> New bug introduced in JBossCache 2.2.x when setting up Singleton Store 
> Cache Loader.
> Caused by: java.lang.NullPointerException
>         at org.jboss.cache.invocation.CacheInvocationDelegate.addCacheListener(CacheInvocationDelegate.java:247)
>         at org.jboss.cache.loader.SingletonStoreCacheLoader.setCache(SingletonStoreCacheLoader.java:144)
>         at org.jboss.cache.loader.CacheLoaderManager.setCacheInLoader(CacheLoaderManager.java:272)
>         at org.jboss.cache.loader.CacheLoaderManager.createCacheLoader(CacheLoaderManager.java:250)
>         at org.jboss.cache.loader.CacheLoaderManager.createCacheLoader(CacheLoaderManager.java:182)
>         at org.jboss.cache.loader.CacheLoaderManager.injectDependencies(CacheLoaderManager.java:90)
> The problem arises from the fact that SingletonStoreCacheLoader tries to 
> add a cache listener before CacheInvocationDelegate has been initialised:
> SingletonStoreCacheLoader:
>    @Override
>    public void setCache(CacheSPI c)
>    {
>       super.setCache(c);
>       c.addCacheListener(new SingletonStoreListener());
>    }
> Listener probably needs to be added at some kind of start() method.

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