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Posted to users@wicket.apache.org by kenixwong <ke...@yahoo.com> on 2007/12/17 06:12:58 UTC
java.lang.OutOfMemoryError: Java heap space
hi, anyone can help ?
i was using the Eclipse 3.2.2, jdk1.6.0, jetty 6.0.2, wicket 1.2.4. Once i
loop a report page, the eclipse console and page return the error as above.
How can i solve it ....
I had tryed to reset the eclispe.ini
(http://bugs.sakaiproject.org/confluence/display/ARW/Eclipse+startup+memory+settings)
too.
here is the error
...
...
...
at
wicket.extensions.markup.html.repeater.refreshing.RefreshingView$1.newItem(RefreshingView.java:108)
at
wicket.extensions.markup.html.repeater.refreshing.DefaultItemReuseStrategy$1.next(DefaultItemReuseStrategy.java:73)
at
wicket.extensions.markup.html.repeater.refreshing.RefreshingView.addItems(RefreshingView.java:191)
at
wicket.extensions.markup.html.repeater.refreshing.RefreshingView.internalOnAttach(RefreshingView.java:117)
at wicket.Component.internalAttach(Component.java:2579)
at wicket.MarkupContainer.internalAttach(MarkupContainer.java:341)
at wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
at wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
at wicket.Page.renderPage(Page.java:383)
at
wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:160)
at
wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:60)
at
wicket.request.compound.DefaultResponseStrategy.respond(DefaultResponseStrategy.java:49)
at
wicket.request.compound.AbstractCompoundRequestCycleProcessor.respond(AbstractCompoundRequestCycleProcessor.java:66)
at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:902)
at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:929)
at wicket.RequestCycle.step(RequestCycle.java:1010)
at wicket.RequestCycle.steps(RequestCycle.java:1084)
at wicket.RequestCycle.request(RequestCycle.java:454)
at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:459)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:231)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:629)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:453)
Any solution ??
thanks in advance..
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Re: java.lang.OutOfMemoryError: Java heap space
Posted by Matej Knopp <ma...@gmail.com>.
My guess would be the JFreeChart crashing your server. Unless you have
implemented the DataProvider in a wrong way it should only load
visible items (one page). But the JFreeChart is probably loading
entire dataset. You should consider generating the chart and caching
it for a period of time afterwards.
-Matej
On Dec 18, 2007 11:42 AM, kenixwong <ke...@yahoo.com> wrote:
>
> okok.. more details here... i had summarize part of the code
>
> yes... i was loading a huge records for a report ( eg: 1 year records )
>
>
> Example
> ========
> The data that will display is based on the T&C as below
> 1. every minutes for one logID had 1 record. Means 1 days = 1440 records (
> 60 min * 24 hours)
> 2. eg here : i need to loop for 10 LogID for one year . Mean total records =
> 1440 records *10*365
> = 5256000 records ( let said the fieldname is logID, userId,
> datetime, total_in)
>
>
> this 5256000 records will display using the dataView + dataProvider ==>
> fine, it is no problem
>
> beside, i will use JFreeChart to darw the TimeSeries Chart. ( avg vs min for
> each LOG) for the above 5256000 records
>
> When one pc run..fine, it is no problem. but once 3 pc run concurrently, the
> page return java.lang.OutOfMemoryError: Java heap space.
>
>
> code
> ===
> public ThisMonthNetworkChartForm(String id, LOG log ) {
>
>
> super(id);
>
> dataProvider = new SimpleReportDataProvider(log, periodCondition);
> dataView = new DataView("table", dataProvider)
> {
> protected void populateItem(final Item item)
> {
> final LOG log = (LOG)item.getModelObject();
>
> if(log.getDateTime()!= null){
> item.add(new Label("dateTime",String.valueOf(log.getDateTime())));
> item.add(new Label("logId",String.valueOf(log.getLogId())));
> item.add(new Label("total_in", String.valueOf(log.getTotal_in())));
>
> }else{
> item.add(new Label("dateTime",""));
> item.add(new Label("logId ",""));
> item.add(new Label("total_in ", ""));
> }
>
>
> item.add(new AttributeModifier("class", true, new
> AbstractReadOnlyModel()
> {
> public Object getObject(Component component)
> {
> return (item.getIndex() % 2 == 1) ? "row0" : "row1";
> }
> }));
>
>
>
> }//****populate item end here
> };
>
> dataView.setOutputMarkupId(true);
> add(dataView);
>
> final XYDataset dataset1 =
> LogManager.createTimeSeriesDataset(log,periodCondition);
> final JFreeChart chart = ChartFactory.createTimeSeriesChart(
> log.getLogID(),
> "Time",
> "Value",
> dataset1,
> true,
> true,
> false
> );
> JFreeChartImage images = (JFreeChartImage) new
> JFreeChartImage("image",chart , 900, 250);
> chart.setBackgroundPaint(new Color(237, 246, 253));//set the chart
> background to light blue
> add(images.setVisible(true));
>
> }
> }
>
>
>
> thanks in advance. :-D
>
>
>
>
>
> Matej Knopp-2 wrote:
> >
> > It's not possible to help you without knowing seeing more code. What
> > are the items you are creating? It's probably the models itself that
> > cause the outofmemory error, you are likely to be loading someting
> > huge.
> >
> > -Matej
> >
> > On Dec 17, 2007 6:12 AM, kenixwong <ke...@yahoo.com> wrote:
> >>
> >> hi, anyone can help ?
> >>
> >> i was using the Eclipse 3.2.2, jdk1.6.0, jetty 6.0.2, wicket 1.2.4. Once
> >> i
> >> loop a report page, the eclipse console and page return the error as
> >> above.
> >> How can i solve it ....
> >>
> >> I had tryed to reset the eclispe.ini
> >> (http://bugs.sakaiproject.org/confluence/display/ARW/Eclipse+startup+memory+settings)
> >> too.
> >>
> >>
> >>
> >> here is the error
> >>
> >> ...
> >> ...
> >> ...
> >> at
> >> wicket.extensions.markup.html.repeater.refreshing.RefreshingView$1.newItem(RefreshingView.java:108)
> >> at
> >> wicket.extensions.markup.html.repeater.refreshing.DefaultItemReuseStrategy$1.next(DefaultItemReuseStrategy.java:73)
> >> at
> >> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.addItems(RefreshingView.java:191)
> >> at
> >> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.internalOnAttach(RefreshingView.java:117)
> >> at wicket.Component.internalAttach(Component.java:2579)
> >> at
> >> wicket.MarkupContainer.internalAttach(MarkupContainer.java:341)
> >> at
> >> wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
> >> at
> >> wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
> >> at wicket.Page.renderPage(Page.java:383)
> >> at
> >> wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:160)
> >> at
> >> wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:60)
> >> at
> >> wicket.request.compound.DefaultResponseStrategy.respond(DefaultResponseStrategy.java:49)
> >> at
> >> wicket.request.compound.AbstractCompoundRequestCycleProcessor.respond(AbstractCompoundRequestCycleProcessor.java:66)
> >> at
> >> wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:902)
> >> at
> >> wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:929)
> >> at wicket.RequestCycle.step(RequestCycle.java:1010)
> >> at wicket.RequestCycle.steps(RequestCycle.java:1084)
> >> at wicket.RequestCycle.request(RequestCycle.java:454)
> >> at
> >> wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
> >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
> >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> >> at
> >> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:459)
> >> at
> >> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
> >> at
> >> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:231)
> >> at
> >> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:629)
> >> at
> >> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:453)
> >>
> >>
> >> Any solution ??
> >>
> >>
> >> thanks in advance..
> >> --
> >> View this message in context:
> >> http://www.nabble.com/java.lang.OutOfMemoryError%3A-Java-heap-space-tp14370078p14370078.html
> >> Sent from the Wicket - User mailing list archive at Nabble.com.
> >>
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
> >> For additional commands, e-mail: users-help@wicket.apache.org
> >>
> >>
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
> > For additional commands, e-mail: users-help@wicket.apache.org
> >
> >
> >
>
> --
> View this message in context: http://www.nabble.com/java.lang.OutOfMemoryError%3A-Java-heap-space-tp14370078p14391978.html
>
> Sent from the Wicket - User mailing list archive at Nabble.com.
>
>
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>
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Re: java.lang.OutOfMemoryError: Java heap space
Posted by kenixwong <ke...@yahoo.com>.
okok.. more details here... i had summarize part of the code
yes... i was loading a huge records for a report ( eg: 1 year records )
Example
========
The data that will display is based on the T&C as below
1. every minutes for one logID had 1 record. Means 1 days = 1440 records (
60 min * 24 hours)
2. eg here : i need to loop for 10 LogID for one year . Mean total records =
1440 records *10*365
= 5256000 records ( let said the fieldname is logID, userId,
datetime, total_in)
this 5256000 records will display using the dataView + dataProvider ==>
fine, it is no problem
beside, i will use JFreeChart to darw the TimeSeries Chart. ( avg vs min for
each LOG) for the above 5256000 records
When one pc run..fine, it is no problem. but once 3 pc run concurrently, the
page return java.lang.OutOfMemoryError: Java heap space.
code
===
public ThisMonthNetworkChartForm(String id, LOG log ) {
super(id);
dataProvider = new SimpleReportDataProvider(log, periodCondition);
dataView = new DataView("table", dataProvider)
{
protected void populateItem(final Item item)
{
final LOG log = (LOG)item.getModelObject();
if(log.getDateTime()!= null){
item.add(new Label("dateTime",String.valueOf(log.getDateTime())));
item.add(new Label("logId",String.valueOf(log.getLogId())));
item.add(new Label("total_in", String.valueOf(log.getTotal_in())));
}else{
item.add(new Label("dateTime",""));
item.add(new Label("logId ",""));
item.add(new Label("total_in ", ""));
}
item.add(new AttributeModifier("class", true, new
AbstractReadOnlyModel()
{
public Object getObject(Component component)
{
return (item.getIndex() % 2 == 1) ? "row0" : "row1";
}
}));
}//****populate item end here
};
dataView.setOutputMarkupId(true);
add(dataView);
final XYDataset dataset1 =
LogManager.createTimeSeriesDataset(log,periodCondition);
final JFreeChart chart = ChartFactory.createTimeSeriesChart(
log.getLogID(),
"Time",
"Value",
dataset1,
true,
true,
false
);
JFreeChartImage images = (JFreeChartImage) new
JFreeChartImage("image",chart , 900, 250);
chart.setBackgroundPaint(new Color(237, 246, 253));//set the chart
background to light blue
add(images.setVisible(true));
}
}
thanks in advance. :-D
Matej Knopp-2 wrote:
>
> It's not possible to help you without knowing seeing more code. What
> are the items you are creating? It's probably the models itself that
> cause the outofmemory error, you are likely to be loading someting
> huge.
>
> -Matej
>
> On Dec 17, 2007 6:12 AM, kenixwong <ke...@yahoo.com> wrote:
>>
>> hi, anyone can help ?
>>
>> i was using the Eclipse 3.2.2, jdk1.6.0, jetty 6.0.2, wicket 1.2.4. Once
>> i
>> loop a report page, the eclipse console and page return the error as
>> above.
>> How can i solve it ....
>>
>> I had tryed to reset the eclispe.ini
>> (http://bugs.sakaiproject.org/confluence/display/ARW/Eclipse+startup+memory+settings)
>> too.
>>
>>
>>
>> here is the error
>>
>> ...
>> ...
>> ...
>> at
>> wicket.extensions.markup.html.repeater.refreshing.RefreshingView$1.newItem(RefreshingView.java:108)
>> at
>> wicket.extensions.markup.html.repeater.refreshing.DefaultItemReuseStrategy$1.next(DefaultItemReuseStrategy.java:73)
>> at
>> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.addItems(RefreshingView.java:191)
>> at
>> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.internalOnAttach(RefreshingView.java:117)
>> at wicket.Component.internalAttach(Component.java:2579)
>> at
>> wicket.MarkupContainer.internalAttach(MarkupContainer.java:341)
>> at
>> wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
>> at
>> wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
>> at wicket.Page.renderPage(Page.java:383)
>> at
>> wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:160)
>> at
>> wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:60)
>> at
>> wicket.request.compound.DefaultResponseStrategy.respond(DefaultResponseStrategy.java:49)
>> at
>> wicket.request.compound.AbstractCompoundRequestCycleProcessor.respond(AbstractCompoundRequestCycleProcessor.java:66)
>> at
>> wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:902)
>> at
>> wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:929)
>> at wicket.RequestCycle.step(RequestCycle.java:1010)
>> at wicket.RequestCycle.steps(RequestCycle.java:1084)
>> at wicket.RequestCycle.request(RequestCycle.java:454)
>> at
>> wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>> at
>> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:459)
>> at
>> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
>> at
>> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:231)
>> at
>> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:629)
>> at
>> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:453)
>>
>>
>> Any solution ??
>>
>>
>> thanks in advance..
>> --
>> View this message in context:
>> http://www.nabble.com/java.lang.OutOfMemoryError%3A-Java-heap-space-tp14370078p14370078.html
>> Sent from the Wicket - User mailing list archive at Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
>> For additional commands, e-mail: users-help@wicket.apache.org
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
> For additional commands, e-mail: users-help@wicket.apache.org
>
>
>
--
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Re: java.lang.OutOfMemoryError: Java heap space
Posted by Matej Knopp <ma...@gmail.com>.
It's not possible to help you without knowing seeing more code. What
are the items you are creating? It's probably the models itself that
cause the outofmemory error, you are likely to be loading someting
huge.
-Matej
On Dec 17, 2007 6:12 AM, kenixwong <ke...@yahoo.com> wrote:
>
> hi, anyone can help ?
>
> i was using the Eclipse 3.2.2, jdk1.6.0, jetty 6.0.2, wicket 1.2.4. Once i
> loop a report page, the eclipse console and page return the error as above.
> How can i solve it ....
>
> I had tryed to reset the eclispe.ini
> (http://bugs.sakaiproject.org/confluence/display/ARW/Eclipse+startup+memory+settings)
> too.
>
>
>
> here is the error
>
> ...
> ...
> ...
> at
> wicket.extensions.markup.html.repeater.refreshing.RefreshingView$1.newItem(RefreshingView.java:108)
> at
> wicket.extensions.markup.html.repeater.refreshing.DefaultItemReuseStrategy$1.next(DefaultItemReuseStrategy.java:73)
> at
> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.addItems(RefreshingView.java:191)
> at
> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.internalOnAttach(RefreshingView.java:117)
> at wicket.Component.internalAttach(Component.java:2579)
> at wicket.MarkupContainer.internalAttach(MarkupContainer.java:341)
> at wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
> at wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
> at wicket.Page.renderPage(Page.java:383)
> at
> wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:160)
> at
> wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:60)
> at
> wicket.request.compound.DefaultResponseStrategy.respond(DefaultResponseStrategy.java:49)
> at
> wicket.request.compound.AbstractCompoundRequestCycleProcessor.respond(AbstractCompoundRequestCycleProcessor.java:66)
> at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:902)
> at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:929)
> at wicket.RequestCycle.step(RequestCycle.java:1010)
> at wicket.RequestCycle.steps(RequestCycle.java:1084)
> at wicket.RequestCycle.request(RequestCycle.java:454)
> at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:459)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:231)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:629)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:453)
>
>
> Any solution ??
>
>
> thanks in advance..
> --
> View this message in context: http://www.nabble.com/java.lang.OutOfMemoryError%3A-Java-heap-space-tp14370078p14370078.html
> Sent from the Wicket - User mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
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> For additional commands, e-mail: users-help@wicket.apache.org
>
>
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Re: java.lang.OutOfMemoryError: Java heap space
Posted by Michael Sparer <mi...@gmx.at>.
some code would be nice
kenixwong wrote:
>
> hi, anyone can help ?
>
> i was using the Eclipse 3.2.2, jdk1.6.0, jetty 6.0.2, wicket 1.2.4. Once i
> loop a report page, the eclipse console and page return the error as
> above. How can i solve it ....
>
> I had tryed to reset the eclispe.ini
> (http://bugs.sakaiproject.org/confluence/display/ARW/Eclipse+startup+memory+settings)
> too.
>
>
>
> here is the error
>
> ...
> ...
> ...
> at
> wicket.extensions.markup.html.repeater.refreshing.RefreshingView$1.newItem(RefreshingView.java:108)
> at
> wicket.extensions.markup.html.repeater.refreshing.DefaultItemReuseStrategy$1.next(DefaultItemReuseStrategy.java:73)
> at
> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.addItems(RefreshingView.java:191)
> at
> wicket.extensions.markup.html.repeater.refreshing.RefreshingView.internalOnAttach(RefreshingView.java:117)
> at wicket.Component.internalAttach(Component.java:2579)
> at wicket.MarkupContainer.internalAttach(MarkupContainer.java:341)
> at wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
> at wicket.MarkupContainer.internalAttach(MarkupContainer.java:354)
> at wicket.Page.renderPage(Page.java:383)
> at
> wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java:160)
> at
> wicket.request.target.component.PageRequestTarget.respond(PageRequestTarget.java:60)
> at
> wicket.request.compound.DefaultResponseStrategy.respond(DefaultResponseStrategy.java:49)
> at
> wicket.request.compound.AbstractCompoundRequestCycleProcessor.respond(AbstractCompoundRequestCycleProcessor.java:66)
> at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:902)
> at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:929)
> at wicket.RequestCycle.step(RequestCycle.java:1010)
> at wicket.RequestCycle.steps(RequestCycle.java:1084)
> at wicket.RequestCycle.request(RequestCycle.java:454)
> at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:459)
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:231)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:629)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:453)
>
>
> Any solution ??
>
>
> thanks in advance..
>
-----
Michael Sparer
http://talk-on-tech.blogspot.com
--
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