How To Fix Can Not Start Eclipse WorkSpace After Install Eclipse Plugin Issue

Recently I installed some eclipse plugins and after that my eclipse is crashed. When I restart the eclipse again, it shows a popup dialog with the error message An error has occurred. See the log file C:\Users\zhaosong\eclipse-workspace\.metadata\.log. This article will tell you how to fix this error.

1. Find The Error Message In The Eclipse .log File.

1. As the popup message direction, I open the C:\Users\zhaosong\eclipse-workspace\.metadata\.log file and find the below error message.

   !ENTRY org.eclipse.e4.ui.workbench 4 0 2021-04-24 12:37:18.634
   !MESSAGE Exception occurred while rendering: IDEWindow=org.eclipse.e4.ui.model.application.ui.basic.impl.TrimmedWindowImpl@256bb5be (tags: [topLevel, shellMaximized], contributorURI: platform:/plugin/org.eclipse.platform) (widget: null, renderer: null, toBeRendered: true, onTop: false, visible: true, containerData: null, accessibilityPhrase: null) (label: %trimmedwindow.label.eclipseSDK, iconURI: null, tooltip: null, context: TrimmedWindowImpl (IDEWindow) Context, variables: [], x: 0, y: 0, width: 1024, height: 768)
   !STACK 0
   java.lang.NullPointerException
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.getRenderer(PartRenderingEngine.java:1029)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:996)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:660)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:737)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:731)
       at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1084)
       at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047)
       at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
       at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658)
       at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
       at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557)
       at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154)
       at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150)
       at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
       at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137)
       at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107)
       at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
       at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
       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:657)
       at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594)
       at org.eclipse.equinox.launcher.Main.run(Main.java:1447)
       at org.eclipse.equinox.launcher.Main.main(Main.java:1420)

2. The above error message said Exception occurred while rendering: IDEWindow=org.eclipse.e4.ui.model.application.ui.basic.impl.TrimmedWindowImpl.

2. How To Fix The Can Not Start Eclipse WorkSpace Error.

1. I googled this error and someone said this error can be fixed by removing the C:\Users\zhaosong\eclipse-workspace\.metadata\.plugins\org.eclipse.e4.workbench folder. But this does not take effect.
2. My solution is to remove the damaged eclipse folder and eclipse workspace folder and unzip the eclipse zip file to a local folder.
3. Then create a shortcut to the new eclipse.exe file and restart the eclipse again to create a new workspace. This can fix the error completely.