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POEclipse plugin developement | Contains: Nature does not exist
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  1. POEclipse plugin developement | Contains: Nature does not exist
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    copied!<p>I am creating an customized eclipse plugin.</p> <p>While adding nature to project I am getting this exception:</p> <pre><code>org.eclipse.core.runtime.CoreException: Problems encountered while setting project description. at org.eclipse.core.internal.resources.Project.setDescription(Project.java:1351) at org.eclipse.core.internal.resources.Project.setDescription(Project.java:1378) at projectwizard.ProjectWizardManager.createProjectNature(ProjectWizardManager.java:72) at projectwizard.ProjectWizardManager.createProject(ProjectWizardManager.java:48) at projectwizard.NewMobilePlatformProjectWizard.performFinish(NewMobilePlatformProjectWizard.java:40) at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:827) at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:432) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.ui.internal.handlers.WizardHandler$New.executeHandler(WizardHandler.java:259) at org.eclipse.ui.internal.handlers.WizardHandler.execute(WizardHandler.java:279) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:290) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:76) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:231) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:212) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:131) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:171) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:277) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:496) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:547) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:368) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:314) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:83) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1262) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1052) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1104) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1100) at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1521) at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4640) at org.eclipse.swt.widgets.Tree.WM_CHAR(Tree.java:5967) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4528) at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:5963) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4989) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2546) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3756) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1022) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:916) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:587) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:542) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) 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:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) at org.eclipse.equinox.launcher.Main.main(Main.java:1414) Contains: Nature does not exist: com.mobile.platform.application. </code></pre> <p>Here is my plugin.xml file:</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;plugin&gt; &lt;extension id="com.mobile.platform.plugin.newprojectwizrd" point="org.eclipse.ui.newWizards" &gt; &lt;category id="eclipseplugin.com.mpp.ui.wizard" name="Mobile Platform"&gt; &lt;/category&gt; &lt;wizard category="eclipseplugin.com.mpp.ui.wizard" class="projectwizard.NewMobilePlatformProjectWizard" icon="icons/applogo.png" id="eclipseplugin.com.mpp.ui.wizard.NewApplicationWizard" name="Mobile Platform Application" project="true"&gt; &lt;/wizard&gt; &lt;/extension&gt; &lt;extension id="com.mobile.platform.application" point="org.eclipse.core.resources.natures"&gt; &lt;runtime&gt; &lt;run class="com.mobile.platform.plugin.ProjectNature"&gt; &lt;/run&gt; &lt;/runtime&gt; &lt;/extension&gt; &lt;/plugin&gt; </code></pre> <p>To add nature in newly created project here is the code:</p> <pre><code>private void createProjectNature(IProject project) throws CoreException { if (!project.hasNature(ProjectNature.NATURE_ID)) { IProjectDescription description = project.getDescription(); String[] prevNatures = description.getNatureIds(); String[] newNatures = new String[prevNatures.length + 1]; System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length); newNatures[prevNatures.length] = ProjectNature.NATURE_ID; description.setNatureIds(newNatures); project.setDescription(description, new NullProgressMonitor()); } } </code></pre> <p>In create project nature while it do project.setdescription, It throws the exception as dictated above.</p> <p>Here is the ProjectNature class:</p> <pre><code>public class ProjectNature implements IProjectNature { public static final String NATURE_ID = "com.mobile.platform.application"; private IProject iProject; @Override public void configure() throws CoreException { // TODO Auto-generated method stub } @Override public void deconfigure() throws CoreException { // TODO Auto-generated method stub } @Override public IProject getProject() { return iProject; } @Override public void setProject(IProject project) { // TODO Auto-generated method stub this.iProject=project; } } </code></pre> <p>I am not getting what this is missing. Please help me out. Thanks in advance.</p>
 

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