[UIMA-5913] Nullpointer Exception when closing a UIMAAnnotationViewer window

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.7.0ruta
• Fix Version/s: 3.0.2SDK, 2.10.4SDK
• Component/s: Core Java Framework, Eclipse plugins, Ruta
• Labels: usability

Environment

OS:

Distributor ID:    Ubuntu
Description:    Ubuntu 18.04.1 LTS
Release:    18.04
Codename:    bionic

ECLIPSE & JAVA:

!SESSION 2018-11-28 17:11:26.789 -----------------------------------------------
eclipse.buildId=4.9.0.I20180906-0745
java.version=1.8.0_191
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.java.product
Command-line arguments:  -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.java.product

Created Time: 2018-11-29 08:47:09.695

!ENTRY org.eclipse.e4.ui.workbench 4 0 2018-11-29 08:47:09.695

• Assignee: Peter Klügl
• Reporter: Erdan Genc
• Created: 29/Nov/18 08:17
• Updated: 30/Jan/19 19:59
• Resolved: 30/Jan/19 19:59

Description

When closing a  UIMAAnnotationViewer window in eclipse under linux, an unexpected Nullpointer is thrown which renders the UIMA perspectives (AnnotationBrowser, SelectionView, etc.) unusable.

Current workaround: Restart eclipse and don't close UIMAAnnotationViewer windows.

You can find the error.log in the attachments.