kettle 周期执行job 报写入日志错误，停止执行，重新启动又正常

[cxks_yyb]

2019/03/18 15:14:24 - ERROR (version 5.4.0.1-130, build 1 from 2015-06-14_12-34-55 by buildguy) : Unable to perform interval logging
2019/03/18 15:14:24 - ERROR (version 5.4.0.1-130, build 1 from 2015-06-14_12-34-55 by buildguy) : org.pentaho.di.core.exception.KettleJobException:
2019/03/18 15:14:24 - org.pentaho.di.core.exception.KettleJobException:
2019/03/18 15:14:24 - Unable to end processing by writing log record to table LOG1
2019/03/18 15:14:24 -
2019/03/18 15:14:24 - Error occurred while trying to connect to the database
2019/03/18 15:14:24 -
2019/03/18 15:14:24 - Error connecting to database: (using class oracle.jdbc.driver.OracleDriver)
2019/03/18 15:14:24 - 连接串格式错误，或缺少连接信息
2019/03/18 15:14:24 -
2019/03/18 15:14:24 -
2019/03/18 15:14:24 -
2019/03/18 15:14:24 -
2019/03/18 15:14:24 - Unable to end processing by writing log record to table LOG1
2019/03/18 15:14:24 -
2019/03/18 15:14:24 - Error occurred while trying to connect to the database
2019/03/18 15:14:24 -
2019/03/18 15:14:24 - Error connecting to database: (using class oracle.jdbc.driver.OracleDriver)
2019/03/18 15:14:24 - 连接串格式错误，或缺少连接信息
2019/03/18 15:14:24 -
2019/03/18 15:14:24 -
2019/03/18 15:14:24 -
2019/03/18 15:14:24 -
2019/03/18 15:14:24 - at org.pentaho.di.job.Job.endProcessing(Job.java:1200)
2019/03/18 15:14:24 - at org.pentaho.di.job.Job.access$300(Job.java:115)
2019/03/18 15:14:24 - at org.pentaho.di.job.Job$2.run(Job.java:1057)
2019/03/18 15:14:24 - at java.util.TimerThread.mainLoop(Timer.java:555)
2019/03/18 15:14:24 - at java.util.TimerThread.run(Timer.java:505)