Hi, I think you got this error because you used `NUMERIC` types in your schema ( https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/jdbc/OracleDialect.scala#L32). So, IIUC avoiding the type is a workaround.
// maropu On Fri, Jan 27, 2017 at 8:18 AM, ayan guha <guha.a...@gmail.com> wrote: > Hi > > I am facing exact issue with Oracle/Exadataas mentioned here > <http://stackoverflow.com/questions/41873449/sparksql-key-not-found-scale>. > Any idea? I could not figure out so sending to this grou hoping someone > have see it (and solved it) > > Spark Version: 1.6 > pyspark command: > > pyspark --driver-class-path /opt/oracle/bigdatasql/bdcell- > 12.1/jlib-bds/kvclient.jar:/opt/oracle/bigdatasql/bdcell- > 12.1/jlib-bds/ojdbc7.jar:/opt/oracle/bigdatasql/bdcell-12.1/ > jlib-bds/ojdbc7-orig.jar:/opt/oracle/bigdatasql/bdcell-12.1/ > jlib-bds/oracle-hadoop-sql.jar:/opt/oracle/bigdatasql/ > bdcell-12.1/jlib-bds/ora-hadoop-common.jar:/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/ora-hadoop-common-orig. > jar:/opt/oracle/bigdatasql/bdcell-12.1/jlib-bds/orahivedp.jar:/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/orahivedp-orig.jar:/opt/ > oracle/bigdatasql/bdcell-12.1/jlib-bds/orai18n.jar:/opt/ > oracle/bigdatasql/bdcell-12.1/jlib-bds/orai18n-orig.jar:/ > opt/oracle/bigdatasql/bdcell-12.1/jlib-bds/oraloader.jar:/ > opt/oracle/bigdatasql/bdcell-12.1/jlib-bds/oraloader-orig.jar --conf > spark.jars=/opt/oracle/bigdatasql/bdcell-12.1/jlib- > bds/oracle-hadoop-sql.jar,/opt/oracle/bigdatasql/bdcell- > 12.1/jlib-bds/ora-hadoop-common.jar,/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/orahivedp.jar,/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/oraloader.jar,/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/ojdbc7.jar,/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/orai18n.jar/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/kvclient.jar,/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/ojdbc7.jar,/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/ojdbc7-orig.jar,/opt/ > oracle/bigdatasql/bdcell-12.1/jlib-bds/oracle-hadoop-sql. > jar,/opt/oracle/bigdatasql/bdcell-12.1/jlib-bds/ora- > hadoop-common.jar,/opt/oracle/bigdatasql/bdcell-12.1/jlib- > bds/ora-hadoop-common-orig.jar,/opt/oracle/bigdatasql/ > bdcell-12.1/jlib-bds/orahivedp.jar,/opt/oracle/ > bigdatasql/bdcell-12.1/jlib-bds/orahivedp-orig.jar,/opt/ > oracle/bigdatasql/bdcell-12.1/jlib-bds/orai18n.jar,/opt/ > oracle/bigdatasql/bdcell-12.1/jlib-bds/orai18n-orig.jar,/ > opt/oracle/bigdatasql/bdcell-12.1/jlib-bds/oraloader.jar,/ > opt/oracle/bigdatasql/bdcell-12.1/jlib-bds/oraloader-orig.jar > > > Here is my code: > > url="jdbc:oracle:thin:@mpimpclu1-scan:1521/DEVAIM" > table = "HIST_FORECAST_NEXT_BILL_DGTL" > user = "bal" > password= "bal" > driver="oracle.jdbc.OracleDriver" > df = sqlContext.read.jdbc(url=url,table=table,properties={"user" > :user,"password":password,"driver":driver}) > > > Error: > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > File "/opt/cloudera/parcels/CDH-5.8.3-1.cdh5.8.3.p2001.2081/lib/ > spark/python/pyspark/sql/readwriter.py", line 289, in jdbc > return self._df(self._jreader.jdbc(url, table, jprop)) > File "/opt/cloudera/parcels/CDH-5.8.3-1.cdh5.8.3.p2001.2081/lib/ > spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py", line 813, in > __call__ > File "/opt/cloudera/parcels/CDH-5.8.3-1.cdh5.8.3.p2001.2081/lib/ > spark/python/pyspark/sql/utils.py", line 45, in deco > return f(*a, **kw) > File "/opt/cloudera/parcels/CDH-5.8.3-1.cdh5.8.3.p2001.2081/lib/ > spark/python/lib/py4j-0.9-src.zip/py4j/protocol.py", line 308, in > get_return_value > py4j.protocol.Py4JJavaError: An error occurred while calling o40.jdbc. > : java.util.NoSuchElementException: key not found: scale > at scala.collection.MapLike$class.default(MapLike.scala:228) > at scala.collection.AbstractMap.default(Map.scala:58) > at scala.collection.MapLike$class.apply(MapLike.scala:141) > at scala.collection.AbstractMap.apply(Map.scala:58) > at org.apache.spark.sql.types.Metadata.get(Metadata.scala:108) > at org.apache.spark.sql.types.Metadata.getLong(Metadata.scala:51) > at org.apache.spark.sql.jdbc.OracleDialect$. > getCatalystType(OracleDialect.scala:33) > at org.apache.spark.sql.execution.datasources.jdbc. > JDBCRDD$.resolveTable(JDBCRDD.scala:140) > at org.apache.spark.sql.execution.datasources.jdbc. > JDBCRelation.<init>(JDBCRelation.scala:91) > at org.apache.spark.sql.DataFrameReader.jdbc( > DataFrameReader.scala:222) > at org.apache.spark.sql.DataFrameReader.jdbc( > DataFrameReader.scala:146) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke( > NativeMethodAccessorImpl.java:62) > at sun.reflect.DelegatingMethodAccessorImpl.invoke( > DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231) > at py4j.reflection.ReflectionEngine.invoke( > ReflectionEngine.java:381) > at py4j.Gateway.invoke(Gateway.java:259) > at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand. > java:133) > at py4j.commands.CallCommand.execute(CallCommand.java:79) > at py4j.GatewayConnection.run(GatewayConnection.java:209) > at java.lang.Thread.run(Thread.java:745) > > > > -- > Best Regards, > Ayan Guha > -- --- Takeshi Yamamuro
