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I'm running my modeltrains with the in Java written program iTrain (​http://www.berros.eu/itrain/download/preview/iTrain_install.jar). So I was very curious to see if it would run on eCS. Just tested the 1.6 JRE beta with the latest Beta version 2.0.0-b44 of iTrain (build 2011/01/02). Here are some results:

1. Installation of iTrain runs fine, except the progress bars, they were empty and therefore nothing visible happened.
2. iTrain is coming with two special Java DLL's for serial port support (JSPOS2J.DLL and SCCOMIO.DLL) for OS/2. Still there is no serial port connection possible. Both DLL's were put in the /JRE/bin directory and Java 1.6 crashed as soon as in the iTrain application the menu to check the serial interface was opened. Below you will find the output of the commandline during the crash:

OpenJDK Client VM (build 16.0-b13, mixed mode)

[D:\Programs\ITRAIN2TEST]java -jar D:\Programs\iTrain2test\itrain.jar Serialio Library: version 9.9.9: build 9193 Copyright (c) 1996-2008 Serialio.com, All Rights Reserved. os.name="OS/2", os.arch="x86" SerialPort? class loaded: jspos2j # # A fatal error has been detected by the Java Runtime Environment: # # EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x10cce647, pid=1140, tid=74711 056 # # JRE version: 6.0 # Java VM: OpenJDK Client VM (16.0-b13 mixed mode os2-x86 ) # Problematic frame: # V [JVM+0x25e647] # # An error report file with more information is saved as: # C:\var\temp\hs_err_pid1140.log SYS1808: The process has stopped. The software diagnostic code (exception code) is 001E.

3. iTrain is a heavy swing application. On the eCS 2.0 platform with Java 1.6 beta no "drag and drop" was possible within the iTrain application (e.g. it should be possible to drag a locomotive from the loc list to the throttle window, see also attached screenshot). Furthermore some context menu's disappear as soon as they were tried to open.

These are my first impressions with Java 1.6 beta for OS/2 & eCS tested on a T42 IBM Thinkpad

Using a Java 6 environment and the latest ODIN, iTrain (Model Railroad Layout Control application, ​http://berros.eu/itrain/en/) was crashing every time a Drag & Drop action was done between different application windows. The debug log files pointed out that PMCTLS.DLL was involved. Finally we found out that the DragText? application of Rich Walsh was the culprit. Deinstallation of DragText? solved the Drag and Drop issues in iTrain. Question: is it possible to fix somehow that PMCTLS.DLL issue.

With java 1.6 b22 GA when using TCP/IC accept waiting for socket connections. If the connecting sockets are broken too many times a crash of java happens.