problem with ChartUtilities.saveChartAsPNG(file1, chart, 400

[riadhhwajdii]

hi
i'm developping a web application with JSF
to updates my charts, i'm calling the methode ChartUtilities.saveChartAsPNG(file1, chart, 400, 300, null); every 10seconds
my application become more slow until it generates this error:

Code: Select all

javax.faces.el.EvaluationException: java.lang.OutOfMemoryError: Java heap space
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	at javax.faces.component.UICommand.broadcast(UICommand.java:387)
	at org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
	at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
	at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
	at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
	at org.ajax4jsf.component.AjaxViewRoot.processDecodes(AjaxViewRoot.java:409)
	at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at TimeoutFilter.doFilter(TimeoutFilter.java:64)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)
	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267)
	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)
	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.OutOfMemoryError: Java heap space
	at java.awt.image.DataBufferInt.<init>(Unknown Source)
	at java.awt.image.Raster.createPackedRaster(Unknown Source)
	at java.awt.image.DirectColorModel.createCompatibleWritableRaster(Unknown Source)
	at java.awt.image.BufferedImage.<init>(Unknown Source)
	at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1407)
	at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1389)
	at org.jfree.chart.ChartUtilities.writeChartAsPNG(ChartUtilities.java:183)
	at org.jfree.chart.ChartUtilities.saveChartAsPNG(ChartUtilities.java:320)
	at SWIMLogStatistiques.generateChartMethod(SWIMLogStatistiques.java:98)
	at SWIMmoduleStatistiques.generateChartMethod(SWIMmoduleStatistiques.java:39)
	at ListModules.mesServicesAttributs(ListModules.java:199)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.el.parser.AstValue.invoke(AstValue.java:172)
	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
	at org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	at javax.faces.component.UICommand.broadcast(UICommand.java:387)
	at org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
	at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
	at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
	at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
	at org.ajax4jsf.component.AjaxViewRoot.processDecodes(AjaxViewRoot.java:409)
	at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

is there any solution to my problem without modifying the JVM options

[david.gilbert]

is there any solution to my problem without modifying the JVM options

Sure. Find out why your Java code is keeping references to objects and preventing the garbage collector from doing its job. I'd start looking here:

Code: Select all

   at SWIMLogStatistiques.generateChartMethod(SWIMLogStatistiques.java:98)
   at SWIMmoduleStatistiques.generateChartMethod(SWIMmoduleStatistiques.java:39)