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https://issues.apache.org/jira/browse/LANG-1267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15502559#comment-15502559
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Hyukjin Kwon commented on LANG-1267:
------------------------------------

Oh, I am so sorry. I use 
{{FastDateFormat.getInstance("yyyy-MM-dd'T'HH:mm:ss.SSSXXX")}. It wrote this 
wrong during testing between {{SimpleDateFormat}} and {{FastDateFormat}}.

> FastDateFormat does not support timezone X/XX/XXX in SimpleDateFormat
> ---------------------------------------------------------------------
>
>                 Key: LANG-1267
>                 URL: https://issues.apache.org/jira/browse/LANG-1267
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.time.*
>    Affects Versions: 3.3.2
>            Reporter: Hyukjin Kwon
>             Fix For: Patch Needed, 3.6
>
>
> It sees {{FastDateFormat}} does not support timezone {{X}}/{{XX}}/{{XXX}} in 
> {{SimpleDateFormat}}.
> For example, 
> {code}
> new FastDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
> {code}
> throws an exception as below:
> {code}
> Illegal pattern component: XXX
> java.lang.IllegalArgumentException: Illegal pattern component: XXX
>       at 
> org.apache.commons.lang3.time.FastDatePrinter.parsePattern(FastDatePrinter.java:282)
>       at 
> org.apache.commons.lang3.time.FastDatePrinter.init(FastDatePrinter.java:149)
>       at 
> org.apache.commons.lang3.time.FastDatePrinter.<init>(FastDatePrinter.java:142)
> {code}
> {{X}}/{{XX}}/{{XXX}} are different with {{Z}} or {{ZZ}} as described in 
> https://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html#iso8601timezone
> -It supports to read all {{+0800}}, {{+08}} and {{+08:00}} whereas it seems 
> there is no way to include those all.-
> I looked though the documentation multiple times but I could not find the 
> explicit mention about this.



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