Description of problem:
I was editing a shell script in eclipse.

Version-Release number of selected component:
eclipse-platform-4.6.2-7.fc25

Additional info:
reporter:       libreport-2.8.0
cmdline:        /usr/bin/java -Dosgi.requiredJavaVersion=1.8 -Xms512m -Xmx1024m -Dorg.eclipse.swt.browser.UseWebKitGTK=true -Dhelp.lucene.tokenizer=standard -XX:CompileCommand=exclude,org/eclipse/core/internal/dtree/DataTreeNode,forwardDeltaWith -XX:CompileCommand=exclude,org/eclipse/jdt/internal/compiler/lookup/ParameterizedMethodBinding,<init> -XX:CompileCommand=exclude,org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates,instantiateTemplate -XX:CompileCommand=exclude,org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage,addBinding -XX:CompileCommand=exclude,org/python/pydev/editor/codecompletion/revisited/PythonPathHelper,isValidSourceFile -XX:CompileCommand=exclude,org/eclipse/tycho/core/osgitools/EquinoxResolver,newState -Dorg.eclipse.equinox.p2.reconciler.dropins.directory=/usr/share/eclipse/dropins -Dp2.fragments=/usr/share/eclipse/droplets,/usr/lib64/eclipse/droplets -Declipse.p2.skipMovedInstallDetection=true -Dosgi.framework.extensions=org.eclipse.wst.jsdt.nashorn.extension -jar /usr/lib64/eclipse//plugins/org.eclipse.equinox.launcher_1.3.201.v20170109-1424.jar -os linux -ws gtk -arch x86_64 -showsplash /usr/lib64/eclipse//plugins/org.eclipse.platform_4.6.2.v20170109-1424/splash.bmp -launcher /usr/lib64/eclipse/eclipse -name Eclipse --launcher.library /usr/lib64/eclipse//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.401.v20170109-1424/eclipse_1618.so -startup /usr/lib64/eclipse//plugins/org.eclipse.equinox.launcher_1.3.201.v20170109-1424.jar -protect master --launcher.appendVmargs -exitdata 128009 -vm /usr/bin/java -vmargs -Dosgi.requiredJavaVersion=1.8 -Xms512m -Xmx1024m -Dorg.eclipse.swt.browser.UseWebKitGTK=true -Dhelp.lucene.tokenizer=standard -XX:CompileCommand=exclude,org/eclipse/core/internal/dtree/DataTreeNode,forwardDeltaWith -XX:CompileCommand=exclude,org/eclipse/jdt/internal/compiler/lookup/ParameterizedMethodBinding,<init> -XX:CompileCommand=exclude,org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates,instantiateTemplate -XX:CompileCommand=exclude,org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage,addBinding -XX:CompileCommand=exclude,org/python/pydev/editor/codecompletion/revisited/PythonPathHelper,isValidSourceFile -XX:CompileCommand=exclude,org/eclipse/tycho/core/osgitools/EquinoxResolver,newState -Dorg.eclipse.equinox.p2.reconciler.dropins.directory=/usr/share/eclipse/dropins -Dp2.fragments=/usr/share/eclipse/droplets,/usr/lib64/eclipse/droplets -Declipse.p2.skipMovedInstallDetection=true -Dosgi.framework.extensions=org.eclipse.wst.jsdt.nashorn.extension -jar /usr/lib64/eclipse//plugins/org.eclipse.equinox.launcher_1.3.201.v20170109-1424.jar
eclipseplugin:  org.eclipse.ui
executable:     /usr/lib64/eclipse/plugins/org.eclipse.ui_3.108.1.v20170109-1424.jar
kernel:         4.9.12-200.fc25.x86_64
pkg_fingerprint: 4089 D8F2 FDB1 9C98
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           libreport
uid:            1000

Truncated backtrace:
java.lang.NullPointerException
	at org.eclipse.jface.text.source.SourceViewer.configure(SourceViewer.java:458)
	at org.eclipse.dltk.internal.ui.editor.ScriptSourceViewer.configure(ScriptSourceViewer.java:185)
	at org.eclipse.dltk.internal.ui.text.hover.SourceViewerInformationControl.createViewer(SourceViewerInformationControl.java:228)
	at org.eclipse.dltk.internal.ui.text.hover.SourceViewerInformationControl.<init>(SourceViewerInformationControl.java:169)
	at org.eclipse.dltk.internal.ui.editor.ScriptEditor$4.createInformationControl(ScriptEditor.java:2553)
	at org.eclipse.jface.text.AbstractInformationControlManager.getInformationControl(AbstractInformationControlManager.java:831)
	at org.eclipse.jface.text.AbstractInformationControlManager.internalShowInformationControl(AbstractInformationControlManager.java:1181)
	at org.eclipse.jface.text.AbstractInformationControlManager.presentInformation(AbstractInformationControlManager.java:1163)
	at org.eclipse.jface.text.AbstractHoverInformationControlManager.presentInformation(AbstractHoverInformationControlManager.java:894)
	at org.eclipse.jface.text.AbstractInformationControlManager.setInformation(AbstractInformationControlManager.java:428)
	at org.eclipse.jface.text.source.AnnotationBarHoverManager.computeInformation(AnnotationBarHoverManager.java:337)
	at org.eclipse.jface.text.AbstractInformationControlManager.doShowInformation(AbstractInformationControlManager.java:1144)
	at org.eclipse.jface.text.AbstractHoverInformationControlManager$MouseTracker.mouseHover(AbstractHoverInformationControlManager.java:518)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:209)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5227)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1340)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4561)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4151)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	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:388)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1519)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1492)