에러 내용 The 'org.eclipse.recommenders.completion.rcp.javaCompletionProposalComputer.intelligent' proposal computer from the 'org.eclipse.recommenders.completion.rcp' plug-in did not complete normally. The extension took too long to return from the 'computeCompletionProposal()' operation. To avoid the message, disable the 'org.eclipse.recommenders.completion.rcp' plug-in or disable the 'Java Propos..