etl-在web應用中使用kettle報錯

在web應用中使用kettle報錯

事先使用kettle的工具寫好一個轉換.xml，然後使用java執行它，完全沒問題。但是我把調用代碼移到web應用中調用就出錯了。求大神解答。

錯誤：

 Caused by: java.lang.NoClassDefFoundError: org/scannotation/AnnotationDB
    at org.pentaho.di.core.plugins.BasePluginType.findAnnotatedClassFiles(BasePluginType.java:237)
    at org.pentaho.di.core.plugins.BasePluginType.registerPluginJars(BasePluginType.java:500)
    at org.pentaho.di.core.plugins.BasePluginType.searchPlugins(BasePluginType.java:115)
    at org.pentaho.di.core.plugins.PluginRegistry.init(PluginRegistry.java:420)
    at org.pentaho.di.core.KettleEnvironment.init(KettleEnvironment.java:121)
    at org.pentaho.di.core.KettleEnvironment.init(KettleEnvironment.java:68)
    at com.zj.kettle.KettleRunner.runTransformation(KettleRunner.java:53)
    at com.zj.quartz.KettleQuartzJob.execute(KettleQuartzJob.java:31)
    at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
    ... 1 more
Caused by: java.lang.ClassNotFoundException: org.scannotation.AnnotationDB
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1856)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1705)
    ... 10 more

最佳回答：

缺少jar包吧，，找個jar包放進去不就行了嗎