Hi, I use Java 1.8 to run my JAR, but when I use java.exe from JRE I got this error: ERROR 2015-11-08 10:51:37,969 [AWT-EventQueue-0] com.gesviti.reports.Reports - Jasper Reports compiler error net.sf.jasperreports.engine.JRException: Error compiling report java source files: C:UsersJorge MotaworkspacegesVitiproducaoporparcela_1446979897953_954735.java . at net.sf.jasperreports.engine.design.JRJavacCompiler.compileClasses(JRJavacCompiler.java:105) at net.sf.jasperreports.engine.design.JRAbstractClassCompiler.compileUnits(JRAbstractClassCompiler.java:74) at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:212) at net.sf.jasperreports.engine.JasperCompileManager.compile(JasperCompileManager.java:357) at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:617) When I use the java.exe from JDK in the same enviroment (Win7) the application works fine. Why? Thanks in Advance. Jorge Mota