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From "David Calavera (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ABDERA-201) Does not support HTTP header Expires -1 and throw org.apache.commons.httpclient.util.DateParseException: Unable to parse the date -1
Date Sun, 05 Oct 2008 17:08:44 GMT

    [ https://issues.apache.org/jira/browse/ABDERA-201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12636913#action_12636913
] 

David Calavera commented on ABDERA-201:
---------------------------------------

I'm not familiar with google caledar api and I'm not sure if  "-1" is a valid expires value,
I copy an excerpt from rfc 2616:

"14.21 Expires
...

The format is an absolute date and time as defined by HTTP-date in section 3.3.1; it MUST
be in RFC 1123 date format..."


> Does not support HTTP header Expires -1 and throw org.apache.commons.httpclient.util.DateParseException:
Unable to parse the date -1
> ------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ABDERA-201
>                 URL: https://issues.apache.org/jira/browse/ABDERA-201
>             Project: Abdera
>          Issue Type: Bug
>    Affects Versions: 0.5.0
>         Environment: Windows Vista, Java 1.6
>            Reporter: Sylvain Legault
>            Priority: Minor
>
> Connecting to Google calander but with a invalid URL (example missing / between calendar
and feeds) e.g. http://www.google.com/calendarfeeds/default/allcalendars/full
> This will return an HTTP response 404 Not Found with an HTTP header Expires = -1
> The following exception is thrown:
> Exception in thread "main" java.lang.RuntimeException: org.apache.commons.httpclient.util.DateParseException:
Unable to parse the date -1
> 	at org.apache.abdera.protocol.client.AbstractClientResponse.getDateHeader(AbstractClientResponse.java:204)
> 	at org.apache.abdera.protocol.util.AbstractResponse.getExpires(AbstractResponse.java:62)
> 	at org.apache.abdera.protocol.client.cache.AbstractCache.shouldUpdateCache(AbstractCache.java:93)
> 	at org.apache.abdera.protocol.client.cache.AbstractCache.update(AbstractCache.java:129)
> 	at org.apache.abdera.protocol.client.AbderaClient.execute(AbderaClient.java:736)
> 	at org.apache.abdera.protocol.client.AbderaClient.get(AbderaClient.java:175)
> 	at org.apache.abdera.protocol.client.AbderaClient.get(AbderaClient.java:390)
> 	at x.z.atom.client.AtomReader.retreive(AtomReader.java:37)
> 	at x.z.atom.Startup.main(Startup.java:15)
> Caused by: org.apache.commons.httpclient.util.DateParseException: Unable to parse the
date -1
> 	at org.apache.commons.httpclient.util.DateUtil.parseDate(DateUtil.java:170)
> 	at org.apache.commons.httpclient.util.DateUtil.parseDate(DateUtil.java:94)
> 	at org.apache.abdera.protocol.client.AbstractClientResponse.getDateHeader(AbstractClientResponse.java:201)
> 	... 8 more

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