The following test failed in the JDK15 CI:

tools/jpackage/share/IconTest.java

Here's a snippet from the log file:

Creating DMG file: /mesos/work_dir/slaves/7cfa21b9-afde-4338-a459-d3e0a13ec793-S1176/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/2159a67a-de2e-46d6-a616-f98c552e821b/runs/f5083a6e-4abd-4ce2-a18c-32b75a962db4/testoutput/test-support/jtreg_open_test_jdk_tier2_part2/scratch/0/./test.3617e55e/output/IconTest-1.0.dmg.
Running [/usr/bin/hdiutil, create, -verbose, -srcfolder, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/image-16353669255289459054, -volname, IconTest, -ov, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/IconTest-tmp.dmg, -fs, HFS+, -format, UDRW]
2020-02-10 08:09:53.123 hdiutil[69407:56089714] error: unable to set up framework server.
DIHLDiskImageCreate() returned 6
(null)
hdiutil: create: returning 6
hdiutil: create failed - Device not configured
java.io.IOException: Command [/usr/bin/hdiutil, create, -verbose, -srcfolder, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/image-16353669255289459054, -volname, IconTest, -ov, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/IconTest-tmp.dmg, -fs, HFS+, -format, UDRW] exited with 1 code
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.Executor.executeExpectSuccess(Executor.java:73)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.IOUtils.exec(IOUtils.java:165)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.IOUtils.exec(IOUtils.java:136)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.MacDmgBundler.buildDMG(MacDmgBundler.java:299)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.MacDmgBundler.bundle(MacDmgBundler.java:81)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.MacDmgBundler.execute(MacDmgBundler.java:467)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.Arguments.generateBundle(Arguments.java:641)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.Arguments.processArguments(Arguments.java:514)
at jdk.incubator.jpackage/jdk.incubator.jpackage.main.Main.execute(Main.java:98)
at jdk.incubator.jpackage/jdk.incubator.jpackage.main.Main.main(Main.java:52)
jdk.incubator.jpackage.internal.PackagerException: java.io.IOException: Command [/usr/bin/hdiutil, create, -verbose, -srcfolder, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/image-16353669255289459054, -volname, IconTest, -ov, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/IconTest-tmp.dmg, -fs, HFS+, -format, UDRW] exited with 1 code
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.MacDmgBundler.bundle(MacDmgBundler.java:86)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.MacDmgBundler.execute(MacDmgBundler.java:467)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.Arguments.generateBundle(Arguments.java:641)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.Arguments.processArguments(Arguments.java:514)
at jdk.incubator.jpackage/jdk.incubator.jpackage.main.Main.execute(Main.java:98)
at jdk.incubator.jpackage/jdk.incubator.jpackage.main.Main.main(Main.java:52)
Caused by: java.io.IOException: Command [/usr/bin/hdiutil, create, -verbose, -srcfolder, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/image-16353669255289459054, -volname, IconTest, -ov, /var/folders/3v/cglhtd2j5f5dcxf1t9shc_bc0000gp/T/jdk.incubator.jpackage14748253831843228878/images/IconTest-tmp.dmg, -fs, HFS+, -format, UDRW] exited with 1 code
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.Executor.executeExpectSuccess(Executor.java:73)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.IOUtils.exec(IOUtils.java:165)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.IOUtils.exec(IOUtils.java:136)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.MacDmgBundler.buildDMG(MacDmgBundler.java:299)
at jdk.incubator.jpackage/jdk.incubator.jpackage.internal.MacDmgBundler.bundle(MacDmgBundler.java:81)
... 5 more
TRACE: exec: Done. Exit code: 1
ERROR: Expected [0]. Actual [1]: Check command [/mesos/work_dir/jib-master/install/jdk-15+10-288/macosx-x64.jdk/jdk-15.jdk/Contents/Home/bin/jpackage --input ./test.3617e55e/input --dest ./test.3617e55e/output --name IconTest --type dmg --main-jar hello.jar --main-class Hello --icon /mesos/work_dir/jib-master/install/jdk-15+10-288/src.full/open/test/jdk/tools/jpackage/resources/icon.icns --runtime-image ./test.3617e55e/fake_runtime --verbose](18) exited with 0 code
[ FAILED ] IconTest(Package, CustomIcon).test; checks=9


Since this is a Tier2 test, I'm starting this bug as a P3.