[jdom-interest] RE: Memory and Speed problems with SAXBuilder

[MarkW]

Hi Mal,
what changes did you make to your code?
JDOM + SAXBuilder are embedded quite deep in my app.
- Mark

> -----Original Message-----
> From: jdom-interest-admin at jdom.org 
> [mailto:jdom-interest-admin at jdom.org] On Behalf Of Malachi de 
> AElfweald
> Sent: Saturday, March 01, 2003 6:13 PM
> To: MarkW; Jdom-Interest
> Subject: Re: [jdom-interest] RE: Memory and Speed problems 
> with SAXBuilder
> 
> 
> Currently, for a workaround, I am using DOMParser and passing 
> that into 
> DOMBuilder.
> Instead of 87 seconds, takes about 4.6 seconds.
> 
> Mal
> 
> On Sat, 1 Mar 2003 17:57:11 +0100, MarkW 
> <mark.wilson at wilsoncom.de> wrote:
> 
> > Hi people,
> > I would also be very interested in a JDOM-Version for JDK 
> 1.4.1 with the
> > StringBuffer-bug workaround. I´m also having major 
> performance problems
> > handling relatively small (ca. 800K) files.
> > Is there any possibility of a beta 9 release? Sure would 
> make life alot
> > easier :-)
> >
> > Regards,
> > Mark
> >
> >> -----Original Message-----
> >> From: jdom-interest-admin at jdom.org 
> [mailto:jdom-interest-admin at jdom.org] 
> >> On Behalf Of Laurent Bihanic
> >> Sent: Friday, February 28, 2003 11:57 AM
> >> To: malachi at tremerechantry.com
> >> Cc: JDOM-interest
> >> Subject: Re: [jdom-interest] RE: Memory and Speed problems with 
> >> SAXBuilder
> >>
> >>
> >>
> >> Malachi de AElfweald wrote:
> >> > I can't downgrade the JVM. How would I upgrade to a 
> newer version? 
> >> CVS?
> >>
> >> Yes, unless Jason decides for a quick code freeze for a beta9.
> >>
> >> Jason, what's your current view on the beta9 planning ?
> >>
> >> Laurent
> >>
> >>
> >> > > Malachi
> >> > > On Thu, 27 Feb 2003 10:47:27 +0100, Laurent Bihanic > 
> >> <laurent.bihanic at atosorigin.com> wrote:
> >> > >>
> >> >> Hi,
> >> >>
> >> >> Malachi de AElfweald wrote:
> >> >>
> >> >>> Worst performer was SAXBuilder (which I originally 
> used because we 
> >> >>> were building from
> >> >>> an InputStream).  Also, SAXBuilder was the ONLY one 
> that required 
> >> the >>> huge amount of
> >> >>> heap space.
> >> >>
> >> >>
> >> >> You are probably using JDOM beta8 with JDK 1.4.1. These 
> two are >> 
> >> incompatible due to the memory leak bug in StringBuffer 
> introduced in >> 
> >> JDK 1.4.1.
> >> >> For more information, please see >> 
> >> http://developer.java.sun.com/developer/bugParade/bugs/4724129.html
> >> >>
> >> >> Sun does not plan to fix this bug until JDK 1.5 (Tiger).
> >> >>
> >> >> To fix this problem, you have 2 solutions:
> >> >> 1. Stick to JDOM beta8 but downgrade to JDK 1.4.0 or 1.3.1
> >> >> 2. Stick to JDK 1.4.1 and upgrade to the latest JDOM 
> which includes a 
> >> >> workaround for the JDK bug.
> >> >>
> >> >> Laurent
> >>
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> 
> 
> 
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