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kettle数据同步时报错:无法从此数据库连接获取数据库元数据,怎么解决??

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2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - ERROR (version 7.1.0.0-12, build 1 from 2017-05-16 17.18.02 by buildguy) : Unexpected error rolling back the database connection.
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - ERROR (version 7.1.0.0-12, build 1 from 2017-05-16 17.18.02 by buildguy) : org.pentaho.di.core.exception.KettleDatabaseException:
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - Unable to get database metadata from this database connection
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 -
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - at org.pentaho.di.core.database.Database.getDatabaseMetaData(Database.java:2919)
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - at org.pentaho.di.core.database.Database.rollback(Database.java:888)
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - at org.pentaho.di.core.database.Database.rollback(Database.java:880)
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - at org.pentaho.di.trans.steps.tableoutput.TableOutput.dispose(TableOutput.java:621)
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - at org.pentaho.di.trans.Trans.prepareExecution(Trans.java:1128)
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - at org.pentaho.di.ui.spoon.trans.TransGraph$29.run(TransGraph.java:4197)
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - at java.lang.Thread.run(Thread.java:745)
2019/08/24 17:11:37 - pms_pj_technical_info表输出.0 - Caused by: java.lang.NullPointerException

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提问于:2019-08-24 17:41
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