Errors occurred during the build. Errors running builder 'DeploymentBuilder' on project...解决方法
第一步
删除工作空间的/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.genuitec.eclipse.ast.deploy.core.prefs文件
第二步
取消项目自动部署
项目-->右键Properties-->Builders-->取消勾选DeploymentBuilder-->OK