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https://issues.apache.org/jira/browse/COLLECTIONS-308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lluís Martínez updated COLLECTIONS-308:
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Description:
I'm trying to apply a transformation to all values in a map :
Collection values = map.values();
CollectionUtils.transform(values, transformer);
Gives a java.lang.UnsupportedOperationException in CollectionUtils line 439.
According to Javadoc the method values of Hashmap "does not support the add or
addAll operations.".
was:
I'm trying to apply a transformation to all values in a map :
Collection values = map.values();
CollectionUtils.transform((Collection)values, this);
Gives a java.lang.UnsupportedOperationException in CollectionUtils line 439.
According to Javadoc the method values of Hashmap "does not support the add or
addAll operations.".
> CollectionUtils.transform fails when collection is HashMap$Values
> -----------------------------------------------------------------
>
> Key: COLLECTIONS-308
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-308
> Project: Commons Collections
> Issue Type: Bug
> Components: Collection
> Affects Versions: 3.2
> Environment: Ubuntu
> Reporter: Lluís Martínez
> Priority: Minor
>
> I'm trying to apply a transformation to all values in a map :
> Collection values = map.values();
> CollectionUtils.transform(values, transformer);
> Gives a java.lang.UnsupportedOperationException in CollectionUtils line 439.
> According to Javadoc the method values of Hashmap "does not support the add
> or addAll operations.".
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