kettle直接执行hbase作业能成功，但通过java程序来执行时却报错

ERROR 13-12 17:04:32,359 - 174_kettle - 一个数据库错误发生在从资源库文件读取转换时
org.pentaho.di.core.exception.KettleStepLoaderException:
Unable to load class for step/plugin with id [HBaseOutput
]. Check if the plugin is available in the plugins subdirectory of the Kettle distribution.

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