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The following problem was reported via the automated error reporting: Message: java.lang.NullPointerException: null at org.eclipse.recommenders.internal.snipmatch.rcp.editors.SnippetMetadataPage.dispose(SnippetMetadataPage.java:758) at org.eclipse.ui.forms.editor.FormEditor.dispose(FormEditor.java:410) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:158) at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:99) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:355) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2) 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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) The reporter(s) left the following comment(s): --- Andreas Sewe wrote on 8aae: --- *Re*opened an snippet match editor through File > Recent Documents. Bundles: | org.eclipse.e4.core.di | 1.6.100.v20170421-1418 | 1.6.100.v20170421-1418 | | org.eclipse.recommenders.snipmatch.rcp | 2.4.9.v20170613-1301 | 2.4.9.v20170613-1301 | | org.eclipse.ui | 3.109.0.v20170411-1742 | 3.109.0.v20170411-1742 | | org.eclipse.ui.forms | 3.7.100.v20170517-1755 | 3.7.100.v20170517-1755 | Operating Systems: | MacOSX | 10.10.5 | 10.10.5 | The above information is a snapshot of the collected data. Visit https://dev.eclipse.org/recommenders/committers/aeri/v2/#!/problems/594a6c3fe4b02bd704568aaf for the latest data. Thank you for your assistance. Your friendly error-reports-inbox.
This incident likely has the same root cause: <https://dev.eclipse.org/recommenders/committers/aeri/v2/#!/problems/594a6c3fe4b02bd704568ab1> Bundle: org.eclipse.e4.ui.workbench 1.5.0.v20170412-0908 Message: Exception: org.eclipse.core.runtime.AssertionFailedException: null argument: at org.eclipse.jface.viewers.StructuredSelection.(StructuredSelection.java:79) at org.eclipse.recommenders.internal.snipmatch.rcp.editors.SnippetMetadataPage$1.initialize(SnippetMetadataPage.java:265) at org.eclipse.ui.forms.ManagedForm.addPart(ManagedForm.java:80) at org.eclipse.recommenders.internal.snipmatch.rcp.editors.SnippetMetadataPage.createFormContent(SnippetMetadataPage.java:465) at org.eclipse.ui.forms.editor.FormPage.lambda$0(FormPage.java:163) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.forms.editor.FormPage.createPartControl(FormPage.java:163) at org.eclipse.ui.forms.editor.FormEditor.pageChange(FormEditor.java:480) at org.eclipse.ui.part.MultiPageEditorPart.setActivePage(MultiPageEditorPart.java:1077) at org.eclipse.ui.forms.editor.FormEditor.setActivePage(FormEditor.java:614) at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:352) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:151) at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:99) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:355) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2) 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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
Steps to reproduce: - Select some Java source and choose "Create Snippet..." from the context menu - Close the snippet editor without saving - Open the "[-]" recent files entry from the File menu This tries to open the snippet editor but fails with the above exceptions.
