Robert Muir created LUCENE-10528:
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Summary: TestScripts.testLukeCanBeLaunched creates X Window when
running the tests
Key: LUCENE-10528
URL: https://issues.apache.org/jira/browse/LUCENE-10528
Project: Lucene - Core
Issue Type: Task
Reporter: Robert Muir
When running the tests, this one causes my entire desktop to "flicker" when it
creates some kind of X-Window very quickly and then destroys it. I use tiling
window manager, so whole desktop gets rearranged for a split second, and I'd
rather it not happen :)
I first tried adding -Djava.awt.headless=true to both org.gradle.jvmargs and
tests.jvmargs in my .gradle/gradle.properties. doesn't work, as the test doesnt
use these when launching luke.
I next tried hacking the test by adding this to the ProcessBuilderThingy, but
it didn't help either:
{noformat}
.envvar("LAUNCH_OPTS", "-Djava.awt.headless=true")
{noformat}
One way I can work around it, is to unset {{DISPLAY}} env var so that it won't
create this window. test still passes:
{noformat}
$ unset DISPLAY
$ ./gradlew :lucene:distribution.tests:test
... (no window gets created)
{noformat}
So maybe as a workaround, we can just not pass DISPLAY environment variable
through to this test?
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