id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
15481	Silence FileNotFoundException	naoliv	team	"When starting JOSM with an enabled style that isn't available we can see this:

{{{
2017-10-24 20:27:39.690 WARNING: Failed to load Mappaint styles from '/tmp/newnodes.mapcss'. Exception was: java.io.FileNotFoundException: /tmp/newnodes.mapcss (No such file or directory)
2017-10-24 20:27:39.691 SEVERE: java.io.FileNotFoundException: /tmp/newnodes.mapcss (No such file or directory)
java.io.FileNotFoundException: /tmp/newnodes.mapcss (No such file or directory)
	at java.base/java.io.FileInputStream.open0(Native Method)
	at java.base/java.io.FileInputStream.open(FileInputStream.java:196)
	at java.base/java.io.FileInputStream.<init>(FileInputStream.java:139)
	at org.openstreetmap.josm.io.CachedFile.getInputStream(CachedFile.java:220)
	at org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource.getSourceInputStream(MapCSSStyleSource.java:522)
	at org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource.loadStyleSource(MapCSSStyleSource.java:421)
	at org.openstreetmap.josm.gui.mappaint.MapPaintStyles.loadStyleForFirstTime(MapPaintStyles.java:317)
	at org.openstreetmap.josm.gui.mappaint.MapPaintStyles.readFromPreferences(MapPaintStyles.java:310)
	at org.openstreetmap.josm.gui.preferences.map.MapPaintPreference.initialize(MapPaintPreference.java:188)
	at org.openstreetmap.josm.Main$InitializationTask.call(Main.java:604)
	at org.openstreetmap.josm.Main$InitializationTask.call(Main.java:583)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.base/java.lang.Thread.run(Thread.java:844)
}}}

Since JOSM already warns us with `2017-10-24 20:27:39.690 WARNING: Failed to load Mappaint styles from '/tmp/newnodes.mapcss'. Exception was: java.io.FileNotFoundException: /tmp/newnodes.mapcss (No such file or directory)`, couldn't the exception be simply silenced?

JOSM:
{{{
Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2017-10-23 00:30:41 +0200 (Mon, 23 Oct 2017)
Revision:13034
Build-Date:2017-10-23 01:33:19
URL:http://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (13034 pt_BR) Linux Debian GNU/Linux unstable (sid)
Memory Usage: 544 MB / 3072 MB (139 MB allocated, but free)
Java version: 9-Debian+0-9b181-4, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Java package: openjdk-9-jre:amd64-9~b181-4
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-13
VM arguments: [--illegal-access=warn, --add-modules=java.se.ee, -Dawt.useSystemAAFontSettings=on]
}}}"	enhancement	closed	minor	17.10	Core		fixed	console log