Failed to create the part’s controls
根据提示,找不到org/eclipse/tm4e/ui/utils/ContentTypeHelper,那就去下载安装一个:
Help → Install new software → Add URL: https://download.eclipse.org/tm4e/snapshots/

Failed to create the part’s controls
根据提示,找不到org/eclipse/tm4e/ui/utils/ContentTypeHelper,那就去下载安装一个:
Help → Install new software → Add URL: https://download.eclipse.org/tm4e/snapshots/