1. cklester

    B4J Question [SOLVED] How To Stop B4J Server on Windows 10

    On Windows 10, I'm running the server app from this thread. It's working fine. How do I stop it? I'm not sure what process it is in Windows Task Manager, and I shut down B4J IDE, but the server is apparently still running, as the site continues to be served at the default URL.
  2. M

    Android Question FTP UploadProgress does not fire for every file

    Hi everyone, i'm trying to use FTP to upload multiple files to the server. I do it one by one, i want to show a progress bar, so i did like so: 'This function uploads the files (stored in the list) to the server base' Public Sub CaricaFoto Log(filenamelist) currentTotalFiles =...
  3. aeric

    Share My Creation JQuiz - API Server / Web Service for B4XQuiz (with SSL)

    This is the full source code for B4XQuiz server. For the B4J client app, please check: SQL script to generate database in post #2 SSL Tutorial: [Server] Using Let's Encrypt on Ubuntu VPS 'Non-UI application (console / server...
  4. aeric

    B4J Tutorial [Server] Using Let's Encrypt on Ubuntu VPS

    #1 How to: Install Let's Encrypt on Ubuntu Linux VPS to Create SSL Certificates Downloading and Installing Let's Encrypt 1. Update the server's packages apt-get update & sudo apt-get upgrade 2. Install the GIT package apt-get install git 3. Download a clone of Let's Encrypt from the GitHub...
  5. bdunkleysmith

    B4J Question [Solved] B4JPackager11 / websocket project problem

    As recommended by @Erel in this thread, I have commenced migrating the communications in my project from http to websocket, however it's not been as simple as I thought it would be. In replacing the http based comms part of my project I hit some "roadblocks". So created a simple project to...
  6. S

    Android Code Snippet Upload a file to your server with HttpJob and php(included)

    4-25-2020 Pick a SINGLE File from Dialog box, Then upload it To a server on LAN Or Internet I wrote this B4A To be very small, simple, & easy to understand on a beginners level In Files Is the PHP script To handle single File upload And save As original filename php creates And appends a...
  7. M

    iOS Question Build Failed Local Mac Builder

    The following build commands failed: Ld /Users/<name>/Documents/B4iBuildServer/UploadedProjects/<user id>/Payload/<myappname>.app/ <myappname> normal arm64 (1 failure)
  8. soyVB6

    B4J Question ODBC Sybase

    Hi guys, I'm migrating an old system that I did some years in power builder. I could not achieve a connection to the database, this is what I have: In my user DSN (odbc) I have my database connected and it works like this for my old system. I managed to find a jconn2.jar library in the sybase...
  9. carlos7000

    Android Question Error: Nonce must be greater than...

    Hello I am using this function to send commands to a server private Sub SendCommand(workName As String, Command As String, Signature As Boolean, url as String) Dim ToSing As String If Signature Then url = X_PrivateUrl ToSing = "command=" & workName & "&" &...
  10. Alessandro71

    B4J Tutorial Running a B4J Server on Amazon EC2 Linux

    This procedure starts from a freshly installed AWS EC2 Linux instance and installs a B4J server, named B4J.jar, configured as a daemon. This tutorial assumes a basic knowledge of a Linux environment, expecially the vi editor. Prerequisites SSH access with ec2-user Device /dev/xvdh is available...
  11. avalle

    B4J Question How to call CallSubDelayed from a different Class Module

    Hi all, I have a B4J Server application implementing a REST API service with multiple Handler Class Modules. In one of these class modules I need to use CallSubDelayed to raise a callback event which is used in a Wait For in a different class module. Is this possible? If so, how do I reference...
  12. NFOBoy

    B4J Question For the VPS backend, which OS?

    Hi all, have been combing through the boards, and I see bits and pieces of references for backend stuff, but nothing definitive (perhaps that's the answer) about which way to go as far as selecting the OS for the Virtual Private Server (VPS) and B4J/I/A. For those that have experimented, any...
  13. A

    B4J Question ServerSocket and Multi Client Problem

    Hi I create a ServerSocket and connect with two client to server I can send messages from clients to server, but i can't find who is sending the message and can't answer to client! is there any way that astreams_NewData event show sender socket object?
  14. Patent

    B4J Question set Proxy to avoid CORS

    Dear community, wanna use a local Proxy in B4J to avoid CORS Problems. This is the Try: Sub Process_Globals Dim ho As String Dim po As Int End Sub Sub AppStart (Args() As String) ho="" 'local ip po=8080 Dim j As HttpJob j.Initialize("j", Me)...
  15. C

    B4J Code Snippet Modbus TCP server - slave - restricted functionality

    Hello everyone, Here a small quick and dirty implementation of the modbus TCP protocol in B4J as a server / slave. Please note that this is not a complete library! The following limitations are: -Only READING (not writing) of holding registers possible by modbus master(function code 03) from...
  16. avalle

    B4J Question [Server] Wait For a SQLite data to change

    Hi, I understand how to use Wait For in a B4J Server Handler. However I have no idea how to pause a server handler class waiting for some data in a SQLite database to change. Anyone so kind to help? Thanks Andrea
  17. 3

    Italian connessione jdbc con host

    buongiorno a tutti, è da un po che tento di collegarmi al mio sqlserver ma non riesco in nessun modo. Public mysql As JdbcSQL Private driver As String = "com.mysql.jdbc.Driver" 'Private jdbcUrl As String = "jdbc:mysql://" Private jdbcUrl As String =...
  18. peacemaker

    Android Question Android server: battery state after uptime of month, 6 months, year

    Hi, All Who tried to use an Android device as the server that has been powered up during several months, or maybe year ? How is the battery state if such usage ? I think, now embedded control systems can be build basing on an Android device (also as server) + wired Ethernet LAN hosts of...
  19. 3

    Italian connessione a db sqlserver su server aziendale

    Buonasera, vorrei col mio telefonino creare un app che mi permetta di farel' update di dati che ho su un database aziendale. Di solito su usavo laconnessione OLEDB o SQLclient esiste qualcosa di simile? Quindi una volta aperta la connessione fare le query, le update ecc in sql. Ho...
  20. walterf25

    B4J Question MQTT accessed from outside

    Hi All, i'm working on a project which requires a device to send data over to a PC. I came across the MQTT library and I thought I would give it a try, i'm really amazed at how simple it is to set this up, whether running the MQTT Broker on a local P.C. or using one of the cloud host servers...