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Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: GC overhead limit exceeded at java.awt.geom.AffineTransform.getScaleInstance(AffineTransform.java:815) at sun.font.StandardGlyphVector.initFontData(StandardGlyphVector.java:1136) at sun.font.StandardGlyphVector.init(StandardGlyphVector.java:1115) at sun.font.StandardGlyphVector.(StandardGlyphVector.java:172) at java.awt.Font.getStringBounds(Font.java:2421) at java.awt.Font.getStringBounds(Font.java:2331) at java.awt.Font.getStringBounds(Font.java:2365) at net.sf.jasperreports.engine.fill.SimpleTextLineWrapper.measureParagraphFragment(SimpleTextLineWrapper.java:729) at net.sf.jasperreports.engine.fill.SimpleTextLineWrapper.measureLine(SimpleTextLineWrapper.java:586) at net.sf.jasperreports.engine.fill.SimpleTextLineWrapper.nextLine(SimpleTextLineWrapper.java:524) at net.sf.jasperreports.engine.fill.TextMeasurer.renderNextLine(TextMeasurer.java:704) at net.sf.jasperreports.engine.fill.TextMeasurer.renderParagraph(TextMeasurer.java:507) at net.sf.jasperreports.engine.fill.TextMeasurer.measure(TextMeasurer.java:448) at net.sf.jasperreports.engine.fill.JRFillTextElement.chopTextElement(JRFillTextElement.java:621) at net.sf.jasperreports.engine.fill.JRFillStaticText.prepare(JRFillStaticText.java:187) at net.sf.jasperreports.engine.fill.JRFillElementContainer.prepareElements(JRFillElementContainer.java:331) at net.sf.jasperreports.engine.fill.JRFillBand.fill(JRFillBand.java:384) at net.sf.jasperreports.engine.fill.JRFillBand.fill(JRFillBand.java:347) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillFixedBand(JRVerticalFiller.java:2097) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnFooter(JRVerticalFiller.java:997) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillPageBreak(JRVerticalFiller.java:1920) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnBreak(JRVerticalFiller.java:1968) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:754) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:288) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:151) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:932) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:845) at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:61) at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:446) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:849) at punetaxi.User.PrintPassTkt(User.java:1861) at punetaxi.User.jButton3ActionPerformed(User.java:1662)

Alex K
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Sarang Bhandari
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1 Answers1

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The garbage collector is spending to much time and resources and recovering very little heap memory in return. 2 possible solutions :

1.Give some more Heap-memory to the Java-Engine (-Xmx) but this only helps, if the application needs exactly as much memory, as the heap-limit before was set. So try this first.

2.You can turn this off with the command line option -XX:-UseGCOverheadLimit

Note: To increase heap size - You can add a system environment variable named _JAVA_OPTIONS, and set the heap size values there. For example if you want a 512Mb initial and 1024Mb maximum heap size you could use:

WINDOWS:

SET _JAVA_OPTIONS = -Xms512m -Xmx1024m

LINUX:

export _JAVA_OPTIONS="-Xms512m -Xmx1024m"

Malcolm Vaz
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