我正在使用impala jdbc从kudu（如数据库）中检索。 但是当我查询时，结果正常输出，但记录了一个sqlwarning，如下所示的stacktrace，如果有人可以帮助或弄清楚，将不胜感激，谢谢。
2018-08-17 16:21:52.531 |-INFO [C3P0PooledConnectionPoolManager[identityToken->30ftna9xiegqot1tmeoij|47413307]-HelperThread-#3] com.mchange.v2.c3p0.SQLWarnings [?] -| [Clouder
a][ImpalaJDBCDriver](500100) Error getting table information from database.
java.sql.SQLWarning: [Cloudera][ImpalaJDBCDriver](500100) Error getting table information from database.
at com.cloudera.impala.jdbc.common.SWarningListener.createSQLWarning(Unknown Source)
at com.cloudera.impala.jdbc.common.SWarningListener.postWarning(Unknown Source)
at com.cloudera.impala.hivecommon.core.CoreUtils.postWarning(Unknown Source)
at com.cloudera.impala.hivecommon.dataengine.HiveJDBCNativeQueryExecutor.executeQuery(Unknown Source)
at com.cloudera.impala.hivecommon.dataengine.HiveJDBCNativeQueryExecutor.<init>(Unknown Source)
at com.cloudera.impala.hivecommon.dataengine.HiveJDBCDataEngine.prepare(Unknown Source)
at com.cloudera.impala.jdbc.common.SPreparedStatement.<init>(Unknown Source)
at com.cloudera.impala.jdbc.jdbc41.S41PreparedStatement.<init>(Unknown Source)
at com.cloudera.impala.hivecommon.jdbc41.Hive41PreparedStatement.<init>(Unknown Source)
at com.cloudera.impala.impala.jdbc41.ImpalaJDBC41ObjectFactory.createPreparedStatement(Unknown Source)
at com.cloudera.impala.jdbc.common.SConnection.prepareStatement(Unknown Source)
at com.cloudera.impala.jdbc.common.SConnection.prepareStatement(Unknown Source)
at com.mchange.v2.c3p0.impl.NewProxyConnection.prepareStatement(NewProxyConnection.java:567)
......