各位大神，kettle有个job执行经常报错如下，但是数据跑成功了，求解啊

2017/06/19 12:07:31 - 开始项[TR_CT_PANELINFO]
2017/06/19 12:07:31 - Loading transformation from repository [TR_CT_PANELINFO] in directory [/Transformation/OracleToOrcale/EDBTOEDB]
2017/06/19 12:07:31 - TR_CT_PANELINFO - 为了转换解除补丁开始  [TR_CT_PANELINFO]
2017/06/19 12:07:43 - 表输入.0 - ERROR (version 5.4.0.1-130, build 1 from 2015-06-14_12-34-55 by buildguy) : Unexpected error
2017/06/19 12:07:43 - 表输入.0 - ERROR (version 5.4.0.1-130, build 1 from 2015-06-14_12-34-55 by buildguy) : org.pentaho.di.core.exception.KettleDatabaseException:
2017/06/19 12:07:43 - 表输入.0 - Couldn't get row from result set
2017/06/19 12:07:43 - 表输入.0 - ORA-08103: 对象不再存在

2017/06/19 12:07:43 - 表输入.0 -
2017/06/19 12:07:43 - 表输入.0 -  at org.pentaho.di.core.database.Database.getRow(Database.java:2397)
2017/06/19 12:07:43 - 表输入.0 -  at org.pentaho.di.core.database.Database.getRow(Database.java:2368)
2017/06/19 12:07:43 - 表输入.0 -  at org.pentaho.di.trans.steps.tableinput.TableInput.processRow(TableInput.java:145)
2017/06/19 12:07:43 - 表输入.0 -  at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)
2017/06/19 12:07:43 - 表输入.0 -  at java.lang.Thread.run(Unknown Source)
2017/06/19 12:07:43 - 表输入.0 - Caused by: java.sql.SQLException: ORA-08103: 对象不再存在

2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:288)
2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:754)
2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:210)
2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.T4CStatement.fetch(T4CStatement.java:1222)
2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.OracleResultSetImpl.close_or_fetch_from_next(OracleResultSetImpl.java:379)
2017/06/19 12:07:43 - 表输入.0 -  at oracle.jdbc.driver.OracleResultSetImpl.next(OracleResultSetImpl.java:284)
2017/06/19 12:07:43 - 表输入.0 -  at org.pentaho.di.core.database.Database.getRow(Database.java:2385)
2017/06/19 12:07:43 - 表输入.0 -  ... 4 more
2017/06/19 12:07:43 - 表输入.0 - Finished reading query, closing connection.
2017/06/19 12:07:43 - TR_CT_PANELINFO - ERROR (version 5.4.0.1-130, build 1 from 2015-06-14_12-34-55 by buildguy) : 错误被检测到!
2017/06/19 12:07:43 - 插入 / 更新.0 - 完成处理 (I=95, O=55, R=95, W=94, U=0, E=0
2017/06/19 12:07:43 - 表输入.0 - 完成处理 (I=100, O=0, R=0, W=99, U=0, E=1
2017/06/19 12:07:43 - TR_CT_PANELINFO - 转换被检测
2017/06/19 12:07:43 - TR_CT_PANELINFO - ERROR (version 5.4.0.1-130, build 1 from 2015-06-14_12-34-55 by buildguy) : 错误被检测到!
2017/06/19 12:07:43 - TR_CT_PANELINFO - 转换正在杀死其他步骤!
2017/06/19 12:07:43 - 开始项[发送邮件]
2017/06/19 12:07:44 - 完成作业项[发送邮件] (结果=[true])
2017/06/19 12:07:44 - 完成作业项[TR_CT_PANELINFO] (结果=[true])
2017/06/19 12:07:44 - 完成作业项[TR_SET_JOBSTARTTIME] (结果=[true])
2017/06/19 12:07:44 - Job_CT_PanelInfo