Hi,
I am trying to generate image from postgresql bytea type field,
When i preview the report , then i getting error like below,
Error filling print... Error evaluating expression :
Source text : $F{binary}
net.sf.jasperreports.engine.fill.JRExpressionEvalException: Error evaluating expression :
Source text : $F{binary}
at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:195)
at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:589)
at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:557)
at net.sf.jasperreports.engine.fill.JRFillElement.evaluateExpression(JRFillElement.java:929)
at net.sf.jasperreports.engine.fill.JRFillImage.evaluateImage(JRFillImage.java:1023)
at net.sf.jasperreports.engine.fill.JRFillImage.evaluate(JRFillImage.java:1004)
at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:258)
at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:499)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillBandNoOverflow(JRVerticalFiller.java:439)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillPageHeader(JRVerticalFiller.java:403)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:264)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:128)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:946)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:845)
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:58)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:417)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:247)
at com.jaspersoft.ireport.designer.compiler.IReportCompiler.run(IReportCompiler.java:878)
at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)
Caused by: java.lang.ClassCastException: [B cannot be cast to java.io.InputStream
at Test_1464690468421_172331.evaluate(Test_1464690468421_172331:163)
at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:182)
... 19 more
Print not filled. Try to use an EmptyDataSource...
Please help me how can i rectify this issue.
I donot know how to add blob field in postgresql.
I am using jasper report 4.0.2 and Postgresql 9.1
Please help.
