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https://issues.apache.org/jira/browse/WW-4909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16326827#comment-16326827
]
ASF GitHub Bot commented on WW-4909:
------------------------------------
yasserzamani closed pull request #97: WW-4909: Adds missing note about auto
growth collection limit
URL: https://github.com/apache/struts-site/pull/97
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/source/core-developers/type-conversion.md
b/source/core-developers/type-conversion.md
index 744c3c02..f7ba87fc 100644
--- a/source/core-developers/type-conversion.md
+++ b/source/core-developers/type-conversion.md
@@ -132,7 +132,7 @@ entry to <b>ClassName-conversion.properties</b> (Note that
the PointConverter sh
interface):
```
-point = com.acme.PointConverter</b></p>
+point = com.acme.PointConverter
```
Your type converter should be sure to check what class type it is being
requested to convert. Because it is used
@@ -366,6 +366,21 @@ CreateIfNull_beanList=true
</s:iterator>
```
+### Auto growth collection limit
+
+There is a special constant that limits auto growth of a collection, by
default it is set to **255** which means
+only 256 elements are allowed in the collection. This limitation was
introduced to avoid DoS attacks.
+If you know that the collection can have more elements you must define the
below constant and set its value
+to desire size of the collection.
+
+```xml
+<constant name="struts.ognl.autoGrowthCollectionLimit" value="1024"/>
+```
+
+> NOTE: before this constant was named as `xwork.autoGrowCollectionLimit` but
it is deprecated now and will be removed
+> with a next major release.
+
+
## Type Conversion Error Handling
Type conversion error handling provides a simple way to distinguish between an
input `validation` problem
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> List of Boolean is not populated in Action class
> ------------------------------------------------
>
> Key: WW-4909
> URL: https://issues.apache.org/jira/browse/WW-4909
> Project: Struts 2
> Issue Type: Bug
> Components: Core Actions
> Affects Versions: 2.5.10.1
> Reporter: Bouagal
> Assignee: Lukasz Lenart
> Priority: Major
> Fix For: 2.5.15
>
>
> In my application, a user sends a request with this parameter :
> selectedLines[xx]=true where xx is a number. Stuts 2 should convert this
> parameter into this property : List<Boolean> selectedLines in my action
> class. The lenght of the list equals xx+1 and the list looks like this
> [null,null,.....,true];
> Since I have upgraded Struts 2 to 2.5.10.1 From 2.3, that not works anymore
> if xx>256. The list is empty.
>
>
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