I'm please to find that 1.7.2 RC4 no longer has this problem. 

On a seperate note, I did find a NullPointerException was thrown if the database file 
had zero length (such as from a program crash) but it seems a very minor issue.

> -----Original Message-----
> From: Sheldon Young 
> Sent: Friday, March 19, 2004 3:45 PM
> To:   '[EMAIL PROTECTED]'
> Subject:      RE: [Hsqldb-developers] CrEme 4.0 fails to connect
> 
> I'm running 1.7.2 RC3 with the hsqldb.jar included in the lib/ directory.  A rebuild 
> with the target switched to 1.1 and J2SDK 1.4.2_02 results in the same behaviour.  
> The code is attempting to connect to a local cached database ("jdbc:hsqldb:testdb"). 
> The org.hsqldb.jdbcDriver class was loaded fine a few lines before that. 
> 
> The only thing that comes to mind is that there's a difference in the Connection 
> interface implemented by jdbcConnection.  A decompile of the Connection class in 
> CreMe looks like this:
> 
> interface java.sql.Connection{
>     public static final int TRANSACTION_NONE;
>     public static final int TRANSACTION_READ_UNCOMMITTED;
>     public static final int TRANSACTION_READ_COMMITTED;
>     public static final int TRANSACTION_REPEATABLE_READ;
>     public static final int TRANSACTION_SERIALIZABLE;
>     public abstract void clearWarnings();
>        throws java/sql/SQLException
>     public abstract void close();
>        throws java/sql/SQLException
>     public abstract void commit();
>        throws java/sql/SQLException
>     public abstract java.sql.Statement createStatement();
>        throws java/sql/SQLException
>     public abstract boolean getAutoCommit();
>        throws java/sql/SQLException
>     public abstract java.lang.String getCatalog();
>        throws java/sql/SQLException
>     public abstract java.sql.DatabaseMetaData getMetaData();
>        throws java/sql/SQLException
>     public abstract int getTransactionIsolation();
>        throws java/sql/SQLException
>     public abstract java.sql.SQLWarning getWarnings();
>        throws java/sql/SQLException
>     public abstract boolean isClosed();
>        throws java/sql/SQLException
>     public abstract boolean isReadOnly();
>        throws java/sql/SQLException
>     public abstract java.lang.String nativeSQL(java.lang.String);
>        throws java/sql/SQLException
>     public abstract java.sql.CallableStatement prepareCall(java.lang.String);
>        throws java/sql/SQLException
>     public abstract java.sql.PreparedStatement prepareStatement(java.lang.String
> );
>        throws java/sql/SQLException
>     public abstract void rollback();
>        throws java/sql/SQLException
>     public abstract void setAutoCommit(boolean);
>        throws java/sql/SQLException
>     public abstract void setCatalog(java.lang.String);
>        throws java/sql/SQLException
>     public abstract void setReadOnly(boolean);
>        throws java/sql/SQLException
>     public abstract void setTransactionIsolation(int);
>        throws java/sql/SQLException
> }
> 
> 
>       -----Original Message-----
>       From:   fredt [SMTP:[EMAIL PROTECTED]
>       Sent:   Friday, March 19, 2004 3:24 PM
>       To:     Sheldon Young
>       Subject:        Re: [Hsqldb-developers] CrEme 4.0 fails to connect
> 
>       Unable to create a connection to what?
> 
>       Which version are you using and how have you recompiled the sources?
> 
>       Fred
> 
>       ----- Original Message ----- 
>       From: "Sheldon Young" <[EMAIL PROTECTED]>
>       To: <[EMAIL PROTECTED]>
>       Sent: 19 March 2004 16:59
>       Subject: [Hsqldb-developers] CrEme 4.0 fails to connect
> 
> 
>       The CrEme 4.0 virtual machine for PocketPCs is unable to create a conection
>       because of an incompatible class change error that gets thrown in the
>       jdbcConnection constructor.  It does not seem to matter if the virtual
>       machine is run in Personal Java mode or not.
> 
>       Anybody have any thoughts?
> 
> 
>       NSIcom Ltd., CrEme(tm) Evaluation Version> 
>       CrE-ME J2ME(tm)
>       CrE-ME V4.00 B10.031202 02-Dec-2003
>         MemoryLimit=27776Kb
>       EBCI(TM) Interpreter ARM-EVC-XSCL V1.05,
>       Copyright 1998-2003 by Bytecodes, Inc.
>       writeScript
>       java.sql.SQLException: General error:
>       java.lang.IncompatibleClassChangeError: Unimplemented interface method
>       at org.hsqldb.jdbc.jdbcUtil.sqlException()
>       at org.hsqldb.jdbc.jdbcConnection.<init>()
>       at org.hsqldb.jdbcDriver.getConnection()
>       at org.hsqldb.jdbcDriver.connect()
>       at java.sql.DriverManager.getConnection()
>       at java.sql.DriverManager.getConnection()
> 
> 
> 
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