[infinispan-dev] Unexpected value returned from the cache

[Mircea Markus]

On 9 Apr 2013, at 17:28, Sanne Grinovero wrote:

> Hi,
> I'm frequently experiencing problems with a stack as this one:
> 
> Caused by: java.lang.ClassCastException: java.lang.Class cannot be cast to [B
> at org.infinispan.lucene.SingleChunkIndexInput.<init>(SingleChunkIndexInput.java:49)
> 
> 
> The puzzling aspect is that the cast operation is applied on a type
> I'm retreiving from a Cache, which can not possibly be of a different
> type. I also happen to store some byte[] instances, but I never store
> a Class instance so I have no clue where this is coming from.
> 
> I see these possible explanations:
> 1- Infinispan "forgets" to deserialize the object I'm requesting
it wouldn't return a Class object then.
> 2- It's picking the wrong Externalizer
> 3- the key is returning me a diffent object
> 4- I'm fooling myself with crap code
> 
> Any known issue in the first 3 categories?
nothing I'm aware of.
> 
> Please don't ask me for trace logs, when I enable those the problem
> doesn't happen.. I could try again with specific categories.
Enabling trace on org.infinispan.interceptors.InvocationContextInterceptor would tell what you add to the cache so we can validate/invalidate 4. 
> 
> Sanne
> _______________________________________________
> infinispan-dev mailing list
> infinispan-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/infinispan-dev

Cheers,
-- 
Mircea Markus
Infinispan lead (www.infinispan.org)