1、错误描述
The 'org.eclipse.jdt.ui.JavaAllCompletionProposalComputer' proposal computer from 'org.eclipse.jdt.ui' plug-in did not complete normally. The extension took too long to return from the 'computeCompletion Proposals()' operation.
2、错误原因
由于在代码提示中，插件不能正常提示
3、解决办法
To avoid this message, disable the 'org.eclipse.jdt.ui' plug-in or disable the 'Java Proposals' category on the content assist preference page.