在Mars、Kepler的版本裡，時常會出現以下錯誤導致eclipse無法進行運作

Error.log

org.eclipse.swt.SWTError: No more handles

at org.eclipse.swt.SWT.error(SWT.java:4517)

at org.eclipse.swt.SWT.error(SWT.java:4406)

at org.eclipse.swt.SWT.error(SWT.java:4377)

at org.eclipse.swt.widgets.Widget.error(Widget.java:482)

at org.eclipse.swt.widgets.Control.createHandle(Control.java:703)

at org.eclipse.swt.widgets.Label.createHandle(Label.java:199)

at org.eclipse.swt.widgets.Control.createWidget(Control.java:743)

...

at java.lang.reflect.Method.invoke(Unknown Source)

at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)

at org.eclipse.equinox.launcher.Main.run(Main.java:1515)

我們可以安裝WindowBuilder plugin來解決此問題。

WindowBuilder

Step1. Help -> Install New Software... 安裝WindowBuilder plugin

Step2. 進入Window -> Perferences

Step3. General -> Editors -> File Associations

Step4. 選擇*.java，預設使用WindowBuilder Editor開啟