added null check for parameter (SPR-7193)

org.springframework.jdbc/src/main/java/org/springframework/jdbc/core/simple/AbstractJdbcCall.java

@@ -34,6 +34,7 @@ import org.springframework.jdbc.core.RowMapper;
 import org.springframework.jdbc.core.SqlParameter;
 import org.springframework.jdbc.core.metadata.CallMetaDataContext;
 import org.springframework.jdbc.core.namedparam.SqlParameterSource;
+import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
 /**
@@ -203,6 +204,7 @@ public abstract class AbstractJdbcCall {
 	 * @param parameter the {@link SqlParameter} to add
 	 */
 	public void addDeclaredParameter(SqlParameter parameter) {
+		Assert.notNull(parameter, "The supplied parameter must not be null");
 		if (!StringUtils.hasText(parameter.getName())) {
 			throw new InvalidDataAccessApiUsageException(
 					"You must specify a parameter name when declaring parameters for \"" + getProcedureName() + "\"");