I should follow up that it no longer has the problem on CreMe 4.0B10 after doing my
usual process of running build/switchToJDK11.bat and adding a target="1.1" to the
javac tags in build.xml.
> -----Original Message-----
> From: Sheldon Young
> Sent: Tuesday, March 23, 2004 9:17 AM
> To: Sheldon Young; '[EMAIL PROTECTED]'
> Subject: RE: [Hsqldb-developers] CrEme 4.0 fails to connect
>
> 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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