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"Implicit conversion from data type nvarchar to varbinary(max) is not allowed" error with SQL Server JDBC driver

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Title"Implicit conversion from data type nvarchar to varbinary(max) is not allowed" error with SQL Server JDBC driver
URL NameImplicit-conversion-from-data-type-nvarchar-to-varbinary-max-is-not-allowed-error-with-SQL-Server-JDBC-driver
Article Number000112421
EnvironmentProduct: Connect for JDBC SQL Server driver
Version: 5.1
OS: java
Database: SQL Server
Application: all supported applications
Question/Problem Description
The below error occurs when inserting NULL in a varbinary(max) column.
Steps to Reproduce
Clarifying Information
1. Create the following table: 

create table testg(col1 varbinary(max))

2. Insert the NULL value with this code:

String sql = "insert into testg values(?)";
st = conn.prepareStatement(sql);
st.setObject(1, null);

3. The error is seen.
Error Message[DataDirect][SQLServer JDBC Driver][SQLServer]Implicit conversion from data type nvarchar to varbinary(max) is not allowed. Use the CONVERT function to run this query.
Defect Number
Enhancement Number
Cause
Resolution
The error is caused by the database, not the driver (the error is not seen when for example connecting to an Oracle database).

No error is seen when also specifying a targetSqlType (-3 is java.sql.Types.VARBINARY):

String sql = "insert into testg values(?)";
st = conn.prepareStatement(sql);
st.setObject(1, null, -3);
 
Workaround
Notes
Last Modified Date11/24/2016 8:14 AM
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