Issue #1356: Running Rainbow in Command line with a custom Pipeline opens the GUI (okapiframework/okapi)

[matijakovac]

New issue 1356: Running Rainbow in Command line with a custom Pipeline opens the GUI
https://bitbucket.org/okapiframework/okapi/issues/1356/running-rainbow-in-command-line-with-a

Matija Kovač:

Hi,
I’m building a Flask API server around some of the Okapi functionality. I was having an issue with Tikal and wanted to use more of the advanced functionality available in the Okapi Rainbow, but there are issues when running Rainbow in a headless environment, in my case running the Java subprocess as part of the Python app inside a Docker container.

Here’s an example of a command that works perfectly fine and returns a working XLF file:

```
rainbow.sh -x TranslationKitCreation -sl en -tl fr someFile.docx -o someFile.docx.xlf
```


But when trying to run a custom pipeline, like this:

```
rainbow.sh -pln myPipeline.pln -sl en -tl sl someFile.docx -o someFile.docx.xlf
```

the system is trying to open the GUI app and since I’m in a headless server I get this error:

```
Unable to init server: Could not connect: Connection refused
org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed]
    at org.eclipse.swt.SWT.error(SWT.java:4944)
    at org.eclipse.swt.widgets.Display.createDisplay(Display.java:1199)
    at org.eclipse.swt.widgets.Display.create(Display.java:1123)
    at org.eclipse.swt.graphics.Device.<init>(Device.java:167)
    at org.eclipse.swt.widgets.Display.<init>(Display.java:632)
    at org.eclipse.swt.widgets.Display.<init>(Display.java:623)
    at net.sf.okapi.applications.rainbow.Main.main(Main.java:30)
```

I am of course running rainbow.sh with `-Djava.awt.headless=true` and trying to enforce this both the Docker environment and the function where this command is executed.

So, it works fine with just the -x and the pipeline ID, but it doesn’t work with a pipeline file.
Am I passing the parameters correctly? I tried countless options, such as with and without the -x, putting the pipeline filename in ““ and others, but I always get hit with the same error - Rainbow tries to launch the GUI app.

At this point I’d be happy to look at any workaround as I’ve been dealing with this for too many hours.