[jira] [Updated] (LANG-703) StringUtils.join throws NPE when toString returns null for one of objects in collection

["Henri Yandell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LANG-703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henri Yandell updated LANG-703:
-------------------------------

    Fix Version/s: 3.x

> StringUtils.join throws NPE when toString returns null for one of objects in collection
> ---------------------------------------------------------------------------------------
>
>                 Key: LANG-703
>                 URL: https://issues.apache.org/jira/browse/LANG-703
>             Project: Commons Lang
>          Issue Type: Bug
>            Reporter: Ilya
>             Fix For: 3.x
>
>         Attachments: StringUtil_Join_NPE.patch, StringUtil_Join_NPE_AVG_16.patch
>
>
> Try
> {code} 
> StringUtils.join(new Object[]{
>         new Object() {
>           @Override
>           public String toString() {
>             return null;
>           }
>         }
>     }, ',');
> {code}
> ToString should probably never return null, but it does in javax.mail.internet.InternetAddress

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