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https://issues.apache.org/jira/browse/LANG-530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791819#action_12791819
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Henri Yandell commented on LANG-530:
------------------------------------
Arbitrarily moving DateUtils to FastDateFormat concerns me. So does running
regexp on the user input. However I think the following will a) fix 80% of
issues and b) be safe:
if the pattern in question ends in ZZ, which all of the ones in DateFormatUtils
do, then go ahead and do the regexp. If it ends in ZZ, then it's not part of a
literal, so there's no concern for clash. There might be other ZZ's that don't
get fixed, but this will ensure the items in DateFormatUtils work and cover
another set of formats.
> parseDate cannot parse ISO8601 dates produced by FastDateFormat
> ---------------------------------------------------------------
>
> Key: LANG-530
> URL: https://issues.apache.org/jira/browse/LANG-530
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.time.*
> Affects Versions: 2.4
> Reporter: Aaron Zeckoski
> Fix For: 3.0
>
> Attachments: LANG-530-exception.patch
>
>
> I cannot see why this is failing but here is my code:
> Date parseDate(String dateStr) {
> Date d = null;
> if (dateStr != null && ! "".equals(dateStr)) {
> try {
> // try to parse the date from ISO8601, general
> formats, and RFC-2822
> d = DateUtils.parseDate(dateStr, new String[] {
> DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.getPattern()
> });
> } catch (ParseException e) {
> // nothing to do
> log.info("Failed to parse: " + dateStr + ":" + e, e);
> d = null;
> }
> }
> return d;
> }
> The string I am sending in to that method was generated like this:
> String isoDateStr =
> DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.format(date);
> The exception is:
> 2009-09-03 13:29:37,644 [399355...@qtp3-2] INFO
> search.SOLRSearchService - Failed to parse:
> 2009-09-03T13:29:30+01:00:java.text.ParseException: Unable to parse
> the date: 2009-09-03T13:29:30+01:00
> java.text.ParseException: Unable to parse the date: 2009-09-03T13:29:30+01:00
> at org.apache.commons.lang.time.DateUtils.parseDate(DateUtils.java:285)
> at
> org.steeple.impl.search.SOLRSearchService.parseDate(SOLRSearchService.java:412)
> at
> org.steeple.impl.search.SOLRSearchService.execute(SOLRSearchService.java:311)
> ....
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