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Hi, sorry, till now i didn't find any solution. My application still runs with JasperReports 5.0.4. JR 5.5.x and JR 6.0.0 both show the same problem. When i change the order of the jars referenced in the jnlp-file, i sometimes get the noClassDefFoundError for JRException. Perhaps that's a hint for searching, but still i didn't find an appropriate order.

Hi, have you tried the isRemoveLineWhenBlank-option? e.g. <textField isBlankWhenNull="true"> <reportElement isRemoveLineWhenBlank="true" ...> <printWhenExpression>...</printWhenExpression> </reportElement> <textFieldExpression><![CDATA[$P{k06}]]></textFieldExpression> </textField>

Hi @all, I made some reports and with JasperReports version 5.0.4 printing / viewing works fine both running in IDE (Eclipse) and running with Java WebStart. When using 5.5.1 and 5.6.0 it still works in Eclipse but when running with Webstart I get a ClassNotFoundException for JRDataSource (when I import JRException in my JavaClass I get the classNotFoun on JRException). findJar says that JRDataSource is contained in jasperreports-x.x.x.jar So I checked the libraries I load in Webstart more than once and I import the same jars both in Eclipse and my Webstart-JNLP-file. But in Eclipse it works, with Webstart it doesn't. When using jasperreports-5.0.4 everything works fine in both so I don't assume that JRDataSource / JRException moved to another jar meanwhile. The exception is: ERROR 16:37:38,902 [WorkerThread-5]: de.rzfnrw.dez35.hkrtv3.gui.masken.ZPAnzeigeMaskeAenderungen$7@5300f35c java.lang.NoClassDefFoundError: net/sf/jasperreports/engine/JRDataSource at de.rzfnrw.dez35.hkrtv3.client.DruckGUI.ausgabeJRAnordnung(DruckGUI.java:148) at de.rzfnrw.dez35.hkrtv3.client.DruckGUI.druckeAkzAen(DruckGUI.java:134) at de.rzfnrw.dez35.hkrtv3.client.DruckGUI.druckeAkzAen(DruckGUI.java:104) at de.rzfnrw.dez35.hkrtv3.gui.masken.ZPAnzeigeMaskeAenderungen$7.construct(ZPAnzeigeMaskeAenderungen.java:305) at de.rzfnrw.dez35.hkrtv3.gui.AbstractSwingWorker$1.run(AbstractSwingWorker.java:82) at de.rzfnrw.dez35.allgemeines.WorkerQueue$WorkerThread.run(WorkerQueue.java:156) Caused by: java.lang.ClassNotFoundException: net.sf.jasperreports.engine.JRDataSource at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 6 more In my jnlp-file I use for JR 5.0.4: <jar href="jasperreports-5.0.4.jar" /> for JR 5.5.1: <jar href="jasperreports-5.5.1.jar" /> I also tried <jar href="jasperreports-5.5.1.jar" /> <jar href="jasperreports-fonts-5.5.1.jar" /> <jar href="jasperreports-functions-5.5.1.jar" /> <jar href="joda-time-2.3.jar" /> for JR 5.6.0: <jar href="jasperreports-5.6.0.jar" /> <jar href="jasperreports-fonts-5.6.0.jar" /> <jar href="joda-time-2.3.jar" /> Has anyone an idea what could be the reason and how to fix it? Thanks a lot in advance, Roland