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https://issues.apache.org/jira/browse/NUTCH-2812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17882441#comment-17882441
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ASF GitHub Bot commented on NUTCH-2812:
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sebastian-nagel merged PR #798:
URL: https://github.com/apache/nutch/pull/798
> Methods returning array may expose internal representation
> ----------------------------------------------------------
>
> Key: NUTCH-2812
> URL: https://issues.apache.org/jira/browse/NUTCH-2812
> Project: Nutch
> Issue Type: Sub-task
> Affects Versions: 1.17
> Reporter: Lewis John McGibbney
> Assignee: Lewis John McGibbney
> Priority: Major
> Fix For: 1.21
>
>
> Returning a reference to a mutable object value stored in one of the object's
> fields exposes the internal representation of the object. If instances are
> accessed by untrusted code, and unchecked changes to the mutable object would
> compromise security or other important properties, you will need to do
> something different. Returning a new copy of the object is better approach in
> many situations.
> For example org.apache.nutch.fetcher.FetchNode.getOutlinks() may expose
> internal representation by returning FetchNode.outlinks
> There are 11 such occurrences of this bug in the codebase.
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