在执行下面的代码的时候出现了“unable to load the job from xml file”问题
执行代码：
jobmeta jobmeta = new jobmeta(log, jobfilename, null);

异常信息：
org.pentaho.di.core.exception.kettlexmlexception: unable to load the job from xml file [file:///d:/credit/hldzxjb/ep_yw.kjb] unable to load job info from xml node unable to read job entry copy info from xml node : org.pentaho.di.core.exception.kettlesteploaderexception: no valid step/plugin specified (jobplugin=null) for trans no valid step/plugin specified (jobplugin=null) for trans

回复内容：在执行下面的代码的时候出现了“unable to load the job from xml file”问题
执行代码：
jobmeta jobmeta = new jobmeta(log, jobfilename, null);

异常信息：
org.pentaho.di.core.exception.kettlexmlexception: unable to load the job from xml file [file:///d:/credit/hldzxjb/ep_yw.kjb] unable to load job info from xml node unable to read job entry copy info from xml node : org.pentaho.di.core.exception.kettlesteploaderexception: no valid step/plugin specified (jobplugin=null) for trans no valid step/plugin specified (jobplugin=null) for trans