Hi Team,
Iam exploring the csv examples , when I am trying to connect using jdbc with 
below details I got below error.

JDBC drivers : org.apache.calcite.jdbc.Driver
url : jdbc:calcite:model=c:/csv/target/test-classes/model.json



java.lang.RuntimeException: Error instantiating JsonCustomSchema(name=SALES) at 
org.apache.calcite.model.ModelHandler.visit(ModelHandler.java:220) at 
org.apache.calcite.model.JsonCustomSchema.accept(JsonCustomSchema.java:45) at 
org.apache.calcite.model.ModelHandler.visit(ModelHandler.java:143) at 
org.apache.calcite.model.ModelHandler.(ModelHandler.java:85) at 
org.apache.calcite.jdbc.Driver$1.onConnectionInit(Driver.java:104) at 
org.apache.calcite.avatica.UnregisteredDriver.connect(UnregisteredDriver.java:145)
 at java.sql.DriverManager.getConnection(Unknown Source) at 
java.sql.DriverManager.getConnection(Unknown Source) at


thanks,
Ravi K

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