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When a wrong JAR file is selected (one that does not contain chosen JDBC driver) then the install throws NPE and hangs - either when doing Test JDBC Connection or when continuing with next steps. Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:190) at com.redhat.installer.util.JDBCConnectionUtils.findDriverClass(JDBCConnectionUtils.java:156) at com.redhat.installer.panels.JBossJDBCDriverSetupPanel$JDBCPanel.verifyDriver(JBossJDBCDriverSetupPanel.java:506) at com.redhat.installer.panels.JBossJDBCDriverSetupPanelFSW$JDBCPanelFSW.testJDBCConnection(JBossJDBCDriverSetupPanelFSW.java:190) at com.redhat.installer.panels.JBossJDBCDriverSetupPanelFSW$JDBCPanelFSW$1.actionPerformed(JBossJDBCDriverSetupPanelFSW.java:119) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at java.awt.Component.processMouseEvent(Component.java:6505) at javax.swing.JComponent.processMouseEvent(JComponent.java:3312) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:694) at java.awt.EventQueue$3.run(EventQueue.java:692) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:708) at java.awt.EventQueue$4.run(EventQueue.java:706) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:705) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) Exception in thread "Thread-10" java.lang.NullPointerException at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:190) at com.redhat.installer.util.JDBCConnectionUtils.findDriverClass(JDBCConnectionUtils.java:156) at com.redhat.installer.panels.JBossJDBCDriverSetupPanel$JDBCPanel.verifyDriver(JBossJDBCDriverSetupPanel.java:506) at com.redhat.installer.panels.JBossJDBCDriverSetupPanel$JDBCPanel.validated(JBossJDBCDriverSetupPanel.java:438) at com.redhat.installer.panels.JBossJDBCDriverSetupPanelFSW$JDBCPanelFSW.validated(JBossJDBCDriverSetupPanelFSW.java:162) at com.redhat.installer.panels.JBossJDBCDriverSetupPanel.isValidated(JBossJDBCDriverSetupPanel.java:85) at com.izforge.izpack.installer.IzPanel.panelValidated(IzPanel.java:434) at com.izforge.izpack.installer.InstallerFrame.navigateNext(InstallerFrame.java:1664) at com.izforge.izpack.installer.InstallerFrame.navigateNext(InstallerFrame.java:1649) at com.izforge.izpack.installer.InstallerFrame$NavigationHandler.navigate(InstallerFrame.java:1812) at com.izforge.izpack.installer.InstallerFrame$NavigationHandler.access$100(InstallerFrame.java:1779) at com.izforge.izpack.installer.InstallerFrame$NavigationHandler$1.run(InstallerFrame.java:1796) at java.lang.Thread.run(Thread.java:724)
Installer should no longer throw NPE at JDBC Panel. http://git.app.eng.bos.redhat.com/installer-commons.git/commit/?h=6.1.1.ip&id=bad12e73398e15a76ffd9a1b122bb0451f428cdc
Verified in CR2