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Hi folks- I’ve been a group member for quite some time, but very inactive for almost as long…at least a decade. I was installing some decoders the other day and ran into some hiccups and realized it was time to connect JMRI/Decoder Pro to my test track (layout under construction). I was planning to use my old iMac (from 2011 running OS 10.13.6) but it wouldn’t start up…so I just got a newer iMac just for the layout - 24” M1 from 2021. I just installed OS 15.4.1, DP 5.10. and Java from Azul (zulu11.80.21…dmg). My test track uses a DCS50 (Zephyr) and Soundtraxx PTB-100 (booster). I’ve also got the test track wired so that it is either the main or programming track (DPDT switch to select the output from the Zephyr). The Serial interface is a LocoBuffer-USB (v2.03). DP starts and appears to run OK, except that in trying to read from the decoder to set up a new loco I get timeouts (See first image). I’ve tried each of the 6 different port options (second image) in both Programming Track and Programming on the main options - all with the same timeout. I thought the issue might be the LB-USB, but the green LEDs are on and on the DP window at the bottom it says LocoNet is online. I also tested the cable I’m using to connect the LB-USB to the Zephyr and it is good. So I’m stumped. Any thoughts on why the connection is timing out? -alex- Alex M. Postpischil Winston-Salem, NC

Recently it became necessary to reinstall Java and JMRI. First, I checked that both programs were uninstalled. I then installed Java Version 8 Update 441 and JMRI Version 4.26+R381. Both were problem free installs. I then tried to start JMRI so I could load my roster. The Java icon and the DecoderPro icon appeared in the taskbar and the small JMRI splash screen appeared in the middle of my screen. That's as far as the startup got. I've listed my equipment below. What am I missing? I'd appreciate any help in getting started. -- Richard Richter Dell Lattude 3190 2-in-1 Laptop Computer Microsoft Windows 11 Pro RR-CirKits LocoBuffer-NG Rev-a Digitrax ZephyrXtra DCS 51 Command Station

I am a former Lenz user that just changed to Digitrax (changed RR club). I have the following: - win10 laptop - 5.10 decoderpro - AZUL ZULU JDK 17.56.15(17.0.14) 64 bit - DCS210+ USB connected on comm7 - Loconet server is running on port 1234 My issue is it starts reading decoder and returns error 306. Here is the system console info: 09:05:45,729 apps.util.Log4JUtil INFO - * JMRI log ** [main] 09:05:45,760 apps.util.Log4JUtil INFO - This log is stored in file: C:\Users\user\JMRI\log\session.log [main] 09:05:45,760 apps.util.Log4JUtil INFO - This log is appended to file: C:\Users\user\JMRI\log\messages.log [main] 09:05:45,823 apps.AppsBase INFO - DecoderPro version 5.10+Rca461bd266 starts under Java 17.0.14 on Windows 10 amd64 v10.0 at Thu May 01 09:05:45 CST 2025 [main] 09:05:46,072 apps.gui3.Apps3 INFO - Starting with profile My_JMRI_Railroad.3ed69ac3 [main] 09:05:46,291 jmri.util.node.NodeIdentity INFO - Using c0f73803-0a28-4143-a5d4-ce6ead45f1e7 as the JMRI storage identity for profile id 3ed69ac3 [AWT-EventQueue-0] 09:05:46,518 xml.AbstractSerialConnectionConfigXml INFO - Starting to connect for "LocoNet" [main] 09:05:46,747 t.usb_dcs210Plus.UsbDcs210PlusAdapter INFO - Connecting USB DCS210Plus via COM7 PCI Serial Port [main] 09:05:46,747 .loconet.locobuffer.LocoBufferAdapter INFO - LocoNet: Port Intel(R) Active Management Technology - SOL (COM7) opened at 57600 baud, sees DTR: true RTS: true DSR: true CTS: true DCD: true flow: RTSCTS [main] 09:05:46,762 x.loconet.pr3.PR3SystemConnectionMemo INFO - Connection [L] initialized as LocoNet interface, allows access to attached devices. (see preferences) [main] 09:05:46,897 jmri.jmrix.loconet.LnPacketizer INFO - lnPacketizer Started [main] 09:05:47,552 jmri.jmrit.roster.Roster INFO - Reading roster file with rootFromName(C:\Users\user\JMRI\My_JMRI_Railroad.jmri\roster.xml) [main] 09:06:04,755 ix.loconet.loconetovertcp.LnTcpServer INFO - Starting new LocoNetOverTcpServer listener on port 1234 [AWT-EventQueue-0] 09:06:04,758 ix.loconet.loconetovertcp.LnTcpServer INFO - Starting ZeroConfService _loconetovertcpserver._tcp.local for LocoNetOverTCP Server [AWT-EventQueue-0] 09:06:04,984 jmri.jmrit.withrottle.FacelessServer INFO - Published ZeroConf service for 'south sask railroad._withrottle._tcp.local.' on 192.168.0.28:12090 [WiThrottleServer] 09:06:04,986 jmri.jmrit.withrottle.FacelessServer INFO - Published ZeroConf service for 'south sask railroad._withrottle._tcp.local.' on fe80:0:0:0:e862:7f07:81ec:d531%wlan1:12090 [WiThrottleServer] 09:06:04,988 jmri.jmrit.withrottle.FacelessServer INFO - Published ZeroConf service for 'south sask railroad._withrottle._tcp.local.' on fe80:0:0:0:5414:27df:8a51:7473%net11:12090 [WiThrottleServer] 09:06:04,991 jmri.jmrit.withrottle.FacelessServer INFO - Published ZeroConf service for 'south sask railroad._withrottle._tcp.local.' on 10.0.6.125:12090 [WiThrottleServer] 09:06:04,994 jmri.jmrit.withrottle.FacelessServer INFO - Creating new WiThrottle DeviceServer(socket) on port 12090, waiting for incoming connection... [WiThrottleServer] 09:06:05,020 jmri.util.FileUtilSupport INFO - File path program: is C:\Program Files (x86)\JMRI\ [main] 09:06:05,020 jmri.util.FileUtilSupport INFO - File path preference: is C:\Users\user\JMRI\My_JMRI_Railroad.jmri\ [main] 09:06:05,021 jmri.util.FileUtilSupport INFO - File path profile: is C:\Users\user\JMRI\My_JMRI_Railroad.jmri\ [main] 09:06:05,022 jmri.util.FileUtilSupport INFO - File path settings: is C:\Users\user\JMRI\ [main] 09:06:05,022 jmri.util.FileUtilSupport INFO - File path home: is C:\Users\user\ [main] 09:06:05,023 jmri.util.FileUtilSupport INFO - File path scripts: is C:\Program Files (x86)\JMRI\jython\ [main] 09:06:05,629 t.permission.DefaultPermissionManager INFO - Permission file: C:\Users\user\JMRI\.permissions.xml [main] 09:06:05,634 t.permission.DefaultPermissionManager INFO - Permission system is enabled: no [main] Here is the preferences screen shot: I searched older records and could not find relevant info. Any suggestions welcomed Thanks Greg King

I can't get jmri to pick up cars with my train. first time user. Java 17 version 5.1 Screen shots Craig Drenkow 1306 Parkview Dr. Norfolk, NE 68701 402-649-5498

Hi, I am looking for some best practice advice / guidance here. I am configuring a prototypical (UK Entrance Exit) panel with lots of fussy things that need to happen when the physical buttons are pushed. It will be about twenty buttons, already configured in JMRI as sensors and already in a sensor group so only one button will be active at any one time. I have a requirement which initially sounds simple - whenever a button is pressed, I want to go and do some processing which needs to know which button triggered the process. Approach number one - twenty ConditionalNGs one for each button. When a ConditionalNG fires, it sets a [global] variable to note which button (ie which ConditionalNG) was pressed and then calls a common module to do the processing. The module can then look at the variable to see which button caused things to happen. I think I can make that work, but twenty almost identical ConditionalNGs feels a bit clumsy and error prone. Approach number two - a single ConditionalNG which is set to react to any of the sensors going active (presumably an "or"). Again, it would need to identify which sensor caused the trigger and save the detail to a variable before calling a module to do the processing. That feels like it would be neater, but I haven't found a way to let a ConditionalNG know which specific sensor triggered it. Approach number three - the obvious and much better approach which has completed eluded me so far! Any thoughts or suggestions very welcome. Some background of what will go on in the later processing (more for interest than anything). Each button can be either an Entrance to a route, and Exit, or both. The first button to be pressed has to be an entrance (exit buttons will be ignored). The light in the entrance button will then start to flash. The next button to be pressed should then be an exit button. If there is no valid route from entrance to exit, the flashing entrance button light will go dark and the process starts again. If there is a valid route, then the light will go steady and the route will start to set (probably using standard JMRI routes to do that)......... Maybe that explains why I am looking for any one of the 20 buttons to trigger the same process (where the logic will be), but that I do need to know which button was pressed. Hopefully, the question makes some sense! Thanks, Nick.

I’m pleased to announce that version 3.00 of Model Railroad Switch List And Manifest Formatter is now available for download from the website. New in this version of MR SLAM Formatter is the ability to automatically resize data fields to fit within the printable area of the column and/or page, and then to line wrap the text, as necessary, to fit within the borders. If you use JMRI Operations Pro to create manifests and switch lists for your model railroad empire, then you should check out MR SLAM Formatter. It is a companion program to Operations Pro and provides unparalleled capabilities to format your manifests and switch lists. The program is free, easy to use, and, like JMRI, runs under Java. Please watch this YouTube video that demonstrates this new program feature. [ If you are leery of clicking on links, go to YouTube and search form "mrslamf" to find the video.] Then visit the website to download the program - https://mrslamf.com/. The website contains numerous example documents and there are several videos available that demonstrate various features of the program. The program also comes with a complete user’s manual that describes all of the program’s features. MR SLAM Formatter has been downloaded hundreds of times by users around the globe. Give it a try.