Galera to com problema a com ireport.Instalei ele no meu not com o windows7e criei um relatorio ele funcionou blz só que quando eu fechei o programa que abri novamente ele nao quer executar mais da esse erro que segue abaixo o que pode ser.
Compilando para o arquivo … D:\Relatorios\classic_landscape.jasper -> C:\Program Files (x86)\JasperSoft\iReport-3.0.0\classic_landscape.java
Erros de compilação D:\Relatorios\classic_landscape.jasper.
net.sf.jasperreports.engine.JRException: Error saving expressions class file : C:\Program Files (x86)\JasperSoft\iReport-3.0.0\classic_landscape_1274802149477_248874.java at net.sf.jasperreports.engine.util.JRSaver.saveClassSource(JRSaver.java:171) at net.sf.jasperreports.engine.design.JRAbstractCompiler.getSourceFile(JRAbstractCompiler.java:297) at net.sf.jasperreports.engine.design.JRAbstractCompiler.createCompileUnit(JRAbstractCompiler.java:271) at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:168) at it.businesslogic.ireport.IReportCompiler.run(IReportCompiler.java:591) at java.lang.Thread.run(Unknown Source) Caused by: java.io.FileNotFoundException: C:\Program Files (x86)\JasperSoft\iReport-3.0.0\classic_landscape_1274802149477_248874.java (Acesso negado) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.(Unknown Source) at java.io.FileOutputStream.(Unknown Source) at java.io.FileWriter.(Unknown Source) at net.sf.jasperreports.engine.util.JRSaver.saveClassSource(JRSaver.java:163) … 5 more
Tempo de execução de compilação: 60;