java.lang.IllegalArgumentException: invalid version "<UNKNOWN": non-numeric "<UNKNOWN"

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Samebug tips


You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.


Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

Solutions on the web

via SpringSource Issue Tracker by Tomasz Zarna, 1 year ago
invalid version "<UNKNOWN": non-numeric "<UNKNOWN"
via SpringSource Issue Tracker by Tomasz Zarna, 1 year ago
invalid version "<UNKNOWN": non-numeric "<UNKNOWN"
via GitHub by maggu2810
, 2 years ago
invalid version "1.0.201503190807": non-numeric "201503190807"
via Appcelerator JIRA by Hans Knöchel, 3 months ago
via Google Groups by Luc Bourlier, 7 months ago
invalid version "${osgi.version.number}": non-numeric "${osgi"
via ace-users by Bulu, 1 year ago
invalid version "15.0.rebased": non-numeric "rebased"
java.lang.NumberFormatException: For input string: "<UNKNOWN"
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at org.osgi.framework.Version.parseInt(
at org.osgi.framework.Version.(
at org.springframework.ide.eclipse.roo.ui.internal.RooUiUtil.isRoo120OrGreater(
at org.springframework.ide.eclipse.roo.ui.internal.wizard.NewRooProjectWizardPageOne$PackagingProviderGroup.updateEnablement(
at org.springframework.ide.eclipse.roo.ui.internal.wizard.NewRooProjectWizardPageOne$PackagingProviderGroup.createControl(
at org.springframework.ide.eclipse.roo.ui.internal.wizard.NewRooProjectWizardPageOne.createControl(
at org.eclipse.jface.wizard.Wizard.createPageControls(
at org.eclipse.jface.wizard.WizardDialog.createPageControls(
at org.eclipse.jface.wizard.WizardDialog.createContents(
at org.eclipse.jface.window.Window.create(
at org.eclipse.jface.action.Action.runWithEvent(
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(
at org.eclipse.jface.action.ActionContributionItem.access$2(
at org.eclipse.swt.widgets.EventTable.sendEvent(
at org.eclipse.swt.widgets.Widget.sendEvent(
at org.eclipse.swt.widgets.Display.runDeferredEvents(
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(
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(
at org.eclipse.equinox.launcher.Main.basicRun(

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