B4J Question sqlite exception in Raspberry PI2

Sub ExecSql(flow As String,sqls As String)
    If (sqls="") Then Return
    Dim sq As SQL' = DB.pool.GetConnection 'get a DB connection (change DB to Main)
    Try
        sq.InitializeSQLite(File.DirApp, "gsmgateway.db3", False)
        'sq.Initialize2("com.mysql.jdbc.Driver", "jdbc:mysql://" & db_host & "/data1?characterEncoding=utf8",db_account,db_passwd)  
        sq.BeginTransaction  
        sq.ExecNonQuery(sqls)
        sq.TransactionSuccessful
        Log("sql:" & flow)  
    Catch      
        If LastException.IsInitialized Then
            Log("sql:" & flow & ",Exp:"&LastException.Message)
        Else
            Log("sql:" & flow & ",Exp:Err")
        End If
    End Try
End Sub

' jar :  /home/my/jarfolder/b4j.jar

cd /home
java -jar /home/my/jarfolder/b4j.jar  ' --> File.DirApp = /home

cd /home/my/jarfolder
java -jar b4j.jar  ' --> File.DirApp = /home/my/jarfolder