java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at java.lang.String$CaseInsensitiveComparator.compare(Unknown Source)
at com.salesforce.ide.core.remote.metadata.FileMetadataExt$1.compare(FileMetadataExt.java:37)
at com.salesforce.ide.core.remote.metadata.FileMetadataExt$1.compare(FileMetadataExt.java:1)
at java.util.TimSort.countRunAndMakeAscending(Unknown Source)
at java.util.TimSort.sort(Unknown Source)
at java.util.Arrays.sort(Unknown Source)
at com.salesforce.ide.core.remote.metadata.FileMetadataExt.sort(FileMetadataExt.java:418)
at com.salesforce.ide.core.remote.metadata.FileMetadataExt.getFilePropertiesMap(FileMetadataExt.java:322)
at com.salesforce.ide.ui.packagemanifest.PackageManifestController$1.run(PackageManifestController.java:298)
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:463)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:371)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:500)
at org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog.run(ProgressMonitorJobsDialog.java:284)
at com.salesforce.ide.ui.packagemanifest.PackageManifestController.updateCache(PackageManifestController.java:295)
at com.salesforce.ide.ui.packagemanifest.PackageManifestController.loadAll(PackageManifestController.java:486)
at com.salesforce.ide.ui.packagemanifest.PackageManifestController.updateManifest(PackageManifestController.java:173)
at com.salesforce.ide.ui.packagemanifest.PackageManifestController.getEnabledCompTypeTreeNodes(PackageManifestController.java:439)
at com.salesforce.ide.ui.packagemanifest.PackageManifestTree$ManifestContentProvider.getElements(PackageManifestTree.java:690)
at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:1000)
at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:700)
at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1349)
at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:353)
at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:906)
at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:617)
at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:791)
at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:611)
at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:762)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1541)
at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:790)
at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1525)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1462)
at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:366)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1423)
at com.salesforce.ide.ui.packagemanifest.PackageManifestTree$PackageManifestTreeViewer.preservingSelection(PackageManifestTree.java:417)
at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1517)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:292)
at com.salesforce.ide.ui.packagemanifest.PackageManifestTree.updateTree(PackageManifestTree.java:1693)
at com.salesforce.ide.ui.wizards.project.ProjectCustomComponentsComposite.initialize(ProjectCustomComponentsComposite.java:116)
at com.salesforce.ide.ui.wizards.project.ProjectCustomComponentsComposite.(ProjectCustomComponentsComposite.java:72)
at com.salesforce.ide.ui.wizards.project.ProjectCustomComponentsDialog.createDialogArea(ProjectCustomComponentsDialog.java:59)
at org.eclipse.jface.dialogs.Dialog.createContents(Dialog.java:768)
at org.eclipse.jface.window.Window.create(Window.java:430)
at com.salesforce.ide.ui.wizards.project.ProjectCustomComponentsDialog.create(ProjectCustomComponentsDialog.java:156)
at com.salesforce.ide.ui.wizards.project.ProjectProjectContentComposite$8.widgetDefaultSelected(ProjectProjectContentComposite.java:294)
at com.salesforce.ide.ui.wizards.project.ProjectProjectContentComposite$8.widgetSelected(ProjectProjectContentComposite.java:309)
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.Display.sendEvent(Display.java:4362)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:827)
at org.eclipse.ui.dialogs.PropertyDialogAction.run(PropertyDialogAction.java:157)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:473)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
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:669)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)

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