In general this is a leftover from something you have uninstalled. To get rid of the error, close Eclipse, find the workbench.xml
(XML) and workbench.xmi
(XMI) files in either the
.metadata.pluginsorg.eclipse.ui.workbench
or
.metadata.pluginsorg.eclipse.e4.workbench
directories within your workspace and remove ALL corresponding lines (search for the package name you see in the message).
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…