#1
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Problem installing JDownloader: java.lang.NoClassDefFoundError: Could not initialize
I have tried to install the latest download on two different laptops running Centos 8. One laptop is a Thinkpad T400 and the other an EliteBook 8460p. I am wondering if there is something with the laptops like missing drivers or if it is something with the latest download.
Both times I got the following error: java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:103) at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:82) at sun.awt.X11.XToolkit.<clinit>(XToolkit.java:126) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at java.awt.Toolkit$2.run(Toolkit.java:860) at java.awt.Toolkit$2.run(Toolkit.java:855) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:854) at sun.swing.SwingUtilities2.getSystemMnemonicKeyMask(SwingUtilities2.java:2020) at javax.swing.plaf.basic.BasicLookAndFeel.initComponentDefaults(BasicLookAndFeel.java:1158) at javax.swing.plaf.metal.MetalLookAndFeel.initComponentDefaults(MetalLookAndFeel.java:431) at javax.swing.plaf.basic.BasicLookAndFeel.getDefaults(BasicLookAndFeel.java:148) at javax.swing.plaf.metal.MetalLookAndFeel.getDefaults(MetalLookAndFeel.java:1577) at javax.swing.UIManager.setLookAndFeel(UIManager.java:539) at javax.swing.UIManager.setLookAndFeel(UIManager.java:579) at javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1349) at javax.swing.UIManager.initialize(UIManager.java:1459) at javax.swing.UIManager.maybeInitialize(UIManager.java:1426) at javax.swing.UIManager.getUI(UIManager.java:1006) at javax.swing.JPanel.updateUI(JPanel.java:126) at javax.swing.JPanel.<init>(JPanel.java:86) at javax.swing.JPanel.<init>(JPanel.java:109) at javax.swing.JPanel.<init>(JPanel.java:117) at com.install4j.runtime.installer.frontend.FormPanel.<init>(FormPanel.java:50) at com.install4j.runtime.installer.frontend.headless.AbstractHeadlessScreenExecutor.init(AbstractHeadle ssScreenExecutor.java:67) at com.install4j.runtime.installer.frontend.headless.ConsoleScreenExecutor.<init>(ConsoleScreenExecutor .java:24) at com.install4j.runtime.installer.frontend.headless.InstallerConsoleScreenExecutor.<init>(InstallerCon soleScreenExecutor.java:6) at com.install4j.runtime.installer.Installer.getScreenExecutor(Installer.java:76) at com.install4j.runtime.installer.Installer.runInProcess(Installer.java:40) at com.install4j.runtime.installer.Installer.main(Installer.java:28) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:62) at com.install4j.runtime.launcher.UnixLauncher.main(UnixLauncher.java:57) An error occurred: java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment Error log: /tmp/install4jError8177281493642371816.log java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:103) at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:82) at sun.awt.X11.XToolkit.<clinit>(XToolkit.java:126) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at java.awt.Toolkit$2.run(Toolkit.java:860) at java.awt.Toolkit$2.run(Toolkit.java:855) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:854) at sun.swing.SwingUtilities2.getSystemMnemonicKeyMask(SwingUtilities2.java:2020) at javax.swing.plaf.basic.BasicLookAndFeel.initComponentDefaults(BasicLookAndFeel.java:1158) at javax.swing.plaf.metal.MetalLookAndFeel.initComponentDefaults(MetalLookAndFeel.java:431) at javax.swing.plaf.basic.BasicLookAndFeel.getDefaults(BasicLookAndFeel.java:148) at javax.swing.plaf.metal.MetalLookAndFeel.getDefaults(MetalLookAndFeel.java:1577) at javax.swing.UIManager.setLookAndFeel(UIManager.java:539) at javax.swing.UIManager.setLookAndFeel(UIManager.java:579) at javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1349) at javax.swing.UIManager.initialize(UIManager.java:1459) at javax.swing.UIManager.maybeInitialize(UIManager.java:1426) at javax.swing.UIManager.getUI(UIManager.java:1006) at javax.swing.JPanel.updateUI(JPanel.java:126) at javax.swing.JPanel.<init>(JPanel.java:86) at javax.swing.JPanel.<init>(JPanel.java:109) at javax.swing.JPanel.<init>(JPanel.java:117) at com.install4j.runtime.installer.frontend.FormPanel.<init>(FormPanel.java:50) at com.install4j.runtime.installer.frontend.headless.AbstractHeadlessScreenExecutor.init(AbstractHeadle ssScreenExecutor.java:67) at com.install4j.runtime.installer.frontend.headless.ConsoleScreenExecutor.<init>(ConsoleScreenExecutor .java:24) at com.install4j.runtime.installer.frontend.headless.InstallerConsoleScreenExecutor.<init>(InstallerCon soleScreenExecutor.java:6) at com.install4j.runtime.installer.Installer.getScreenExecutor(Installer.java:76) at com.install4j.runtime.installer.Installer.runInProcess(Installer.java:40) at com.install4j.runtime.installer.Installer.main(Installer.java:28) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:62) at com.install4j.runtime.launcher.UnixLauncher.main(UnixLauncher.java:57) |
#2
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Installer doesn't support Headless and requires X11 environment!
-psp-
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