[Amazon](500310) Invalid operation error

Hi Team,
We are fetching the data from redshift db using JDBC way in java.
The query used for getting the data from tables is select * from table_name limit 200;
Below are the errors occurred for different tables. .I am able to see the data in resultset .But while getting next record of particular row it throwing the below errors. Could you please help us to understand the error and resolution for it.

ERROR1:
[Amazon](500310) Invalid operation: Invalid input syntax for type numeric

    at com.amazon.redshift.client.PGMessagingContext.handleErrorResponse(Unknown Source)  
    at com.amazon.redshift.client.PGMessagingContext.handleMessage(Unknown Source)  
    at com.amazon.jdbc.communications.InboundMessagesPipeline.getNextMessageOfClass(Unknown Source)  
    at com.amazon.redshift.dataengine.PGResultSet.hasMoreRows(Unknown Source)  
    at com.amazon.jdbc.common.SForwardResultSet.updateCursorPosition(Unknown Source)  

ERROR2:For other table

[Amazon](500310) Invalid operation: Divide by zero;
at com.amazon.redshift.client.messages.inbound.ErrorResponse.toErrorException(Unknown Source)
at com.amazon.redshift.client.PGMessagingContext.handleErrorResponse(Unknown Source)
at com.amazon.redshift.client.PGMessagingContext.handleMessage(Unknown Source)
at com.amazon.jdbc.communications.InboundMessagesPipeline.getNextMessageOfClass(Unknown Source)
at com.amazon.redshift.dataengine.PGResultSet.hasMoreRows(Unknown Source)
at com.amazon.jdbc.common.SForwardResultSet.updateCursorPosition(Unknown Source)
at com.amazon.jdbc.common.SForwardResultSet.next(Unknown Source)

ERROR3:
java.sql.SQLException: [Amazon](500310) Invalid operation: operator does not exist: text ||;
at com.amazon.redshift.client.messages.inbound.ErrorResponse.toErrorException(Unknown Source)
at com.amazon.redshift.client.PGMessagingContext.handleErrorResponse(Unknown Source)
at com.amazon.redshift.client.PGMessagingContext.handleMessage(Unknown Source)
at com.amazon.jdbc.communications.InboundMessagesPipeline.getNextMessageOfClass(Unknown Source)
at com.amazon.redshift.client.PGMessagingContext.doMoveToNextClass(Unknown Source)
at com.amazon.redshift.client.PGMessagingContext.getParameterDescription(Unknown Source)
at com.amazon.redshift.client.PGClient.prepareStatement(Unknown Source)
at com.amazon.redshift.dataengine.PGQueryExecutor.<init>(Unknown Source)
at com.amazon.redshift.dataengine.PGDataEngine.prepare(Unknown Source)
at com.amazon.jdbc.common.SPreparedStatement.<init>(Unknown Source)
at com.amazon.jdbc.jdbc41.S41PreparedStatement.<init>(Unknown Source)
at com.amazon.jdbc.jdbc42.S42PreparedStatement.<init>(Unknown Source)
at com.amazon.redshift.core.jdbc42.PGJDBC42PreparedStatement.<init>(Unknown Source)
at com.amazon.redshift.core.jdbc42.PGJDBC42ObjectFactory.createPreparedStatement(Unknown Source)
at com.amazon.jdbc.common.SConnection.prepareStatement(Unknown Source)
at com.amazon.jdbc.common.SConnection.prepareStatement(Unknown Source)

Please share your thoughts on this

Thanks,
Padma Yeddula