Name: rmT116609 Date: 12/03/2001


java version "1.4.0-beta3"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta3-b84)
Java HotSpot(TM) Client VM (build 1.4.0-beta3-b84, mixed mode)


--- Test2.java
import java.sql.*;
import java.util.*;

public class Test2
{
 static void dump(byte[] buf)
 {
  for(int i=0; i<buf.length; i++)
    {
     int v = buf[i] & 0xff;
     System.out.print( Character.forDigit(v >> 4,16) );
     System.out.print( Character.forDigit(v & 0xf,16) );
    }

  System.out.println();
 }

 static void showTable(Statement stmt) throws Exception
 {
  ResultSet rs = stmt.executeQuery("SELECT Val FROM Test");

  while( rs.next() )
    {
     dump( rs.getBytes(1) );
    }

  rs.close();
 }

 static void tryUpdateString(Connection db) throws Exception
 {
  Statement rsstmt = db.createStatement
    (ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);


  ResultSet rs = rsstmt.executeQuery("SELECT Val FROM Test");

  rs.first();
  rs.updateString(1,"DEF");

  rs.updateRow();

  rs.next();
  rs.updateString(1,"\u0413\u0414\u0415");

  rs.updateRow();
  rs.close();
  rsstmt.close();
 }

 static void tryUpdateBytes(Connection db) throws Exception
 {
  Statement rsstmt = db.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);


  ResultSet rs = rsstmt.executeQuery("SELECT Val FROM Test");

  rs.first();
  rs.updateBytes(1,"DEF".getBytes());

  rs.updateRow();

  rs.next();
  rs.updateBytes(1,"\u0413\u0414\u0415".getBytes("Cp1251"));

  rs.updateRow();
  rs.close();
  rsstmt.close();
 }

 public static void main(String[] args) throws Exception
 {
  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

  Properties connInfo = new Properties();

  connInfo.put("charSet","Cp1251");

  Connection db = DriverManager.getConnection("jdbc:odbc:test", connInfo);

  DatabaseMetaData dbmeta = db.getMetaData();

  System.out.println("Database: "+dbmeta.getDatabaseProductName()+ ", ver. "+dbmeta.getDatabaseProductVersion());

  System.out.println("Driver: "+dbmeta.getDriverName()+ ", ver. "+dbmeta.getDriverVersion());


  Statement stmt = db.createStatement();

  try
    {
     stmt.executeUpdate("DROP TABLE Test");
    }
  catch (Exception ignore) {}

  stmt.executeUpdate("CREATE TABLE Test (Val VARCHAR(10))");
  stmt.executeUpdate("INSERT INTO Test (Val) VALUES ('ABC')");
  stmt.executeUpdate("INSERT INTO Test (Val) VALUES ('\u0410\u0411\u0412')");

  showTable(stmt);

  if( args.length==0 )
    {
     tryUpdateString(db);
     showTable(stmt);
    }
  else
    {
     tryUpdateBytes(db);
     showTable(stmt);
    }

  db.close();
 }
}
---

Create new database with MS Access 97, and execute this.

>java Test2
Database: ACCESS, ver. 03.50.0000
Driver: JDBC-ODBC Bridge (ODBCJT32.DLL), ver. 2.0001 (04.00.6019)
414243
c0c1c2

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x7800D0C8
Function=[Unknown.]
Library=(N/A)

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:
at sun.jdbc.odbc.JdbcOdbc.ReleaseStoredBytes(Native Method)
at sun.jdbc.odbc.JdbcOdbcResultSet.FreeCols(JdbcOdbcResultSet.java:1514)
- locked <028237B0> (a sun.jdbc.odbc.JdbcOdbcResultSet)
at sun.jdbc.odbc.JdbcOdbcResultSet.updateRow
(JdbcOdbcResultSet.java:4055)
at Test2.tryUpdateString(Test2.java:47)
at Test2.main(Test2.java:108)

Dynamic libraries:
0x7D6F0000 - 0x7D70D000 C:\WINDOWS\SYSTEM\IMAGEHLP.DLL

Local Time = Mon Nov 12 02:19:38 2001
Elapsed Time = 7
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.0-beta3-b84 mixed mode)
#
# An error report file has been saved as hs_err_pid4294516309.log.
# Please refer to the file for further information.
#

>java Test2 1

Database: ACCESS, ver. 03.50.0000
Driver: JDBC-ODBC Bridge (ODBCJT32.DLL), ver. 2.0001 (04.00.6019)
414243
c0c1c2

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x7800D0C8
Function=[Unknown.]
Library=(N/A)

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:
at sun.jdbc.odbc.JdbcOdbc.ReleaseStoredBytes(Native Method)
at sun.jdbc.odbc.JdbcOdbcResultSet.FreeCols(JdbcOdbcResultSet.java:1514)
- locked <028237B0> (a sun.jdbc.odbc.JdbcOdbcResultSet)
at sun.jdbc.odbc.JdbcOdbcResultSet.updateRow
(JdbcOdbcResultSet.java:4055)
at Test2.tryUpdateBytes(Test2.java:68)
at Test2.main(Test2.java:113)

Dynamic libraries:
0x7D6F0000 - 0x7D70D000 C:\WINDOWS\SYSTEM\IMAGEHLP.DLL

Local Time = Mon Nov 12 02:20:29 2001
Elapsed Time = 2
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.0-beta3-b84 mixed mode)
#
# An error report file has been saved as hs_err_pid4294550101.log.
# Please refer to the file for further information.
#

If updating only one row instead two, then updateRow() isn't crashed JVM, but
do not updating database.
(Review ID: 135437)
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