Null pointer exception in Freemarker IDE when empty macro name typed -------------------------------------------------------------------- Key: JBIDE-17433 URL: https://issues.jboss.org/browse/JBIDE-17433 Project: Tools (JBoss Tools) Issue Type: Bug Components: freemarker Environment: Windows x86, Eclipse Kepler (seems that issue doesn't depend on environment) Reporter: Tagir Valeev Assignee: Jiri Peterka Fix For: 4.2.0.Beta3 NullPointerException occurs {code}java.lang.NullPointerException at org.jboss.ide.eclipse.freemarker.model.MacroDirective.compareTo(MacroDirective.java:128) at java.util.ComparableTimSort.countRunAndMakeAscending(Unknown Source) at java.util.ComparableTimSort.sort(Unknown Source) at java.util.ComparableTimSort.sort(Unknown Source) at java.util.Arrays.sort(Unknown Source) at java.util.Collections.sort(Unknown Source) at org.jboss.ide.eclipse.freemarker.model.ItemSet.parse(ItemSet.java:169) at org.jboss.ide.eclipse.freemarker.model.ItemSet.<init>(ItemSet.java:64) at org.jboss.ide.eclipse.freemarker.editor.Editor.getItemSet(Editor.java:277) at org.jboss.ide.eclipse.freemarker.editor.Editor.getSelectedItem(Editor.java:249) at org.jboss.ide.eclipse.freemarker.editor.Editor.keyReleased(Editor.java:374) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:174) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1081) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1108) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1104) at org.eclipse.swt.widgets.Widget.wmKeyUp(Widget.java:1927) at org.eclipse.swt.widgets.Control.WM_KEYUP(Control.java:4979) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4644) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:340) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4990) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2549) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) 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:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450) {code} when editing FTL file in Freemarker IDE due to problem in compareTo function in org.jboss.ide.eclipse.freemarker.model.MacroDirective. Proposed fix: {noformat} public int compareTo(Object arg0) { - if (arg0 instanceof MacroDirective) - return (getName().compareTo(((MacroDirective) arg0).getName())); + if (arg0 instanceof MacroDirective) { + String name = getName(); + String otherName = ((MacroDirective) arg0).getName(); + if(null == name) + name = ""; + if(null == otherName) + otherName = ""; + return (name.compareTo(otherName)); + } else return 0; } {noformat}