[jira] Assigned: (CAMEL-2798) Aggregation raises NullPointerException if last file in batch is not to be aggregated.

["Willem Jiang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/CAMEL-2798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Willem Jiang reassigned CAMEL-2798:
-----------------------------------

    Assignee: Willem Jiang

> Aggregation raises NullPointerException if last file in batch is not to be aggregated.
> --------------------------------------------------------------------------------------
>
>                 Key: CAMEL-2798
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-2798
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.3.0
>         Environment: Windows 7. NTFS.
>            Reporter: Andreas Asmuss
>            Assignee: Willem Jiang
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: aggregator_npe.zip
>
>
> When trying to aggregate files from a directory, it seems that camel-core raises a NullPointerException if the last file of the batch is a single file. That is it doesn't match the correlationExpression with any other files and therefore should just pass through. If such a file is the first file or in the middle of the files (alphabetically) this issue is not present.
> See:
> http://old.nabble.com/Aggregator-problem-with-files-(Camel-2.3)-td28778641.html#a28780522

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