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https://issues.apache.org/jira/browse/LANG-703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Asela Illayapparachchi updated LANG-703:
----------------------------------------
Attachment: StringUtil_Join_NPE_AVG_16.patch
create a patch assuming average string length is 16
> 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
> 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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