我使用Liferay 6.2 CE。当我部署我的portlet时，会显示此错误消息。
Buildfile: /home/matej/liferay-plugins-sdk-6.2/portlets/RegistrationForm-portlet/build.xml
war:
[java] Error: Could not find or load main class com.liferay.portal.tools.SassToCssBuilder
BUILD FAILED
/home/matej/liferay-plugins-sdk-6.2/build-common.xml:2468: The following error occurred while executing this line:
/home/matej/liferay-plugins-sdk-6.2/build-common.xml:2473: The following error occurred while executing this line:
/home/matej/liferay-plugins-sdk-6.2/build-common.xml:322: The following error occurred while executing this line:
/home/matej/liferay-plugins-sdk-6.2/build-common.xml:2104: The following error occurred while executing this line:
/home/matej/liferay-plugins-sdk-6.2/build-common.xml:175: Java returned: 1
Total time: 5 seconds
昨天一切正常......我完成了工作，保存了进度并关闭了日食。今天，在用我的项目打开eclipse之后会显示此错误消息。我使用的是liferay-plugins-sdk-6.2，所以不知道问题出在哪里。我会感激任何帮助。