Created attachment 1038926 [details]
Server log

Describe the issue: 
PreparedStatement.executeBatch() with more than one query gets stack. For more details see server.log.
However batch of size 1 and Statement.executeBatch() run without problems.
The issue is not present in 6.1.1 version.





[1] - OK
[2] - OK
[3] - issue

[1]
Statement s = con.createStatement();
s.addBatch("INSERT INTO BQT1.SmallA (IntKey,StringKey) VALUES(61,61)");
s.addBatch("INSERT INTO BQT1.SmallA (IntKey,StringKey) VALUES(62,62)");
s.addBatch("INSERT INTO BQT1.SmallA (IntKey,StringKey) VALUES(63,63)");
s.addBatch("INSERT INTO BQT1.SmallA (IntKey,StringKey) VALUES(64,64)");
int[] updCount = s.executeBatch();

[2]
PreparedStatement s = con.prepareStatement("INSERT INTO BQT1.SmallA (IntKey,StringKey) VALUES(?,?)");
s.setInt(1, 61);
s.setString(2, "61");
s.addBatch();
int[] updCount = s.executeBatch();

[3]
PreparedStatement s = con.prepareStatement("INSERT INTO BQT1.SmallA (IntKey,StringKey) VALUES(?,?)");
s.setInt(1, 61);
s.setString(2, "61");
s.addBatch();
s.setInt(1, 62);
s.setString(2, "62");
s.addBatch();
int[] updCount = s.executeBatch();