java.lang.IllegalArgumentException: Argument cannot be null

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.IllegalArgumentException: Argument cannot be null
at org.eclipse.swt.SWT.error(SWT.java:4263)
at org.eclipse.swt.SWT.error(SWT.java:4197)
at org.eclipse.swt.SWT.error(SWT.java:4168)
at org.eclipse.swt.widgets.Widget.error(Widget.java:468)
at ru.runa.gpd.ui.wizard.GlobalValidatorsWizardPage$GroovyParamsComposite.(GlobalValidatorsWizardPage.java:241)
at ru.runa.gpd.ui.wizard.GlobalValidatorsWizardPage$DefaultValidatorInfoControl.(GlobalValidatorsWizardPage.java:192)
at ru.runa.gpd.ui.wizard.GlobalValidatorsWizardPage.createControl(GlobalValidatorsWizardPage.java:164)
at ru.runa.gpd.ui.wizard.ValidatorWizard.createPageControls(ValidatorWizard.java:54)
at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:736)
at org.eclipse.jface.wizard.WizardDialog.createContents(WizardDialog.java:608)
at org.eclipse.jface.window.Window.create(Window.java:431)
at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1089)
at ru.runa.gpd.lang.action.OpenFormValidationDelegate.openValidationFile(OpenFormValidationDelegate.java:46)
at ru.runa.gpd.lang.action.OpenFormValidationDelegate.run(OpenFormValidationDelegate.java:37)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
at ru.runa.gpd.Application.start(Application.java:16)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)

Users with the same issue

Samebug visitor profile picture
Unknown user
Once, 4 days ago
Samebug visitor profile picture
Unknown user
Once, 10 months ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
4 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.