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From "Jon Moore (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1152) org.apache.http.impl.client.cache.memcached.MemcachedHttpCacheStorage should verify class of returned object before casting
Date Mon, 09 Jan 2012 21:27:39 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13182813#comment-13182813
] 

Jon Moore commented on HTTPCLIENT-1152:
---------------------------------------

Ok, also backported to 4.1.x.
                
> org.apache.http.impl.client.cache.memcached.MemcachedHttpCacheStorage should verify class
of returned object before casting
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-1152
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1152
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: Cache, HttpClient
>    Affects Versions: 4.1.1
>            Reporter: Clinton Nielsen
>            Assignee: Jon Moore
>            Priority: Minor
>             Fix For: 4.1.3, 4.2 Alpha2
>
>         Attachments: HTTPCLIENT-1152.patch
>
>
> org.apache.http.impl.client.cache.memcached.MemcachedHttpCacheStorage
> Original (in getEntry function): 
>   byte[] data = (byte[]) client.get(url);
> Should be:
>   Object obj= client.get(url);
>   if (null == obj || !(objinstanceof byte[])) {
>     return null;
>   }
>   byte[] data = (byte[])obj;
> Original (in updateEntry function):
>   byte[] oldBytes = (v != null) ? (byte[]) v.getValue() : null;
> Should be:
>   byte[] oldBytes = (v != null && (v.getValue() instanceof byte[])) ? (byte[])
v.getValue() : null;
>   

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