Glad to hear it!

On Thursday, April 19, 2012 2:32:15 AM UTC+1, senderj wrote:
>
> Simon, thank you so much. You resolved my problem. 
>
> On Apr 18, 7:16 pm, Simon Knott <knott.si...@gmail.com> wrote: 
> > Are you aware that SimpleDateFormat is not threadsafe, so you shouldn't 
> > have it as a static variable? 
> > 
> > You might be hitting this issue -  
> http://www.codefutures.com/weblog/andygrove/2007/10/simpledateformat-... 
> > 
> > Cheers, 
> > Simon 
> > 
> > 
> > 
> > On Wednesday, April 18, 2012 11:47:10 AM UTC+1, senderj wrote: 
> > 
> > > I know it doesn't sounds like a GAE problem, but it is a very simple 
> > > coding and I only encounter this problem in GAE, so I post here for 
> > > help. 
> > 
> > > My java servlet in GAE reads a web site and the problem happens when 
> > > extracting a date from html page and convert into Date object using 
> > > SimpleDateFormat. 
> > 
> > > In servlet static 
> > > static final SimpleDateFormat dff = new SimpleDateFormat("dd/MM/yyyy 
> > > HH:mm"); 
> > > In servlet method 
> > > .... logic to extract date from html as text and stores to String 
> > > ss..... 
> > > try { 
> > >     result = dff.parse(ss); 
> > >     log.info("ss="+ss); 
> > >     log.info("result="+result); 
> > > } catch (ParseException pe) { 
> > >     log.warning("parse date exception"); 
> > > }//end try 
> > 
> > > I've checked many times the pattern in dff is correct, and I never get 
> > > "parse date exception" in my log. Instead, here are some examples from 
> > > different runs in my log: 
> > > ss=18/04/2012 10:27 
> > > result=Fri Apr 27 10:27:00 UTC 2012 
> > > ss=18/04/2012 09:57 
> > > result=Sun May 27 09:57:00 UTC 2012 
> > > ss=18/04/2012 09:55 
> > > result=Fri May 25 09:55:00 UTC 2012 
> > > ss=18/04/2012 09:45 
> > > result=Fri Sep 18 09:45:00 UTC 2015 
> > 
> > > First of all, it is not always like that. It happens about 10% of my 
> > > runs. Secondly, I have another program reading another web page but 
> > > also parse the date with same logic in GAE, and also encountered the 
> > > same problem with about the same chances. If anybody can figure out 
> > > what's wrong with my code please help.- Hide quoted text - 
> > 
> > - Show quoted text -

-- 
You received this message because you are subscribed to the Google Groups 
"Google App Engine" group.
To view this discussion on the web visit 
https://groups.google.com/d/msg/google-appengine/-/nW5hDUJtUtUJ.
To post to this group, send email to google-appengine@googlegroups.com.
To unsubscribe from this group, send email to 
google-appengine+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/google-appengine?hl=en.

Reply via email to