Fixed findbugs issue. #875

Job	Run time
build	6m 18s
checkstyle	3m 48s
shellcheck	3m 9s
copyright	3m 27s
tests/tck-cdi	18m 36s
spotbugs/core	11m 1s
tests/tck-rest	14m 47s
tests/native-image-mp-1-linux	5m 25s
spotbugs/integrations	7m 17s
tests/core	11m 9s
tests/tck-others	17m 12s
tests/native-image-mp-2-linux	5m 31s
spotbugs/others	12m 49s
tests/it	14m 32s
tests/native-image-mp-3-linux	5m 4s
tests/dbclient	9m 25s
tests/native-image-se-1-linux	5m 34s
tests/dbclient-oracle	18m 52s
archetypes/r1-jar	6m 53s
tests/native-image-inject-linux	5m 34s
docs	4m 45s
tests/others	13m 49s
archetypes/r2-jar	7m 8s
tests/native-image-mp-1-macos	5m 30s
archetypes/r3-jar	6m 14s
tests/native-image-mp-2-macos	5m 28s
archetypes/r4-jar	7m 7s
tests/native-image-mp-3-macos	5m 29s
examples/linux	12m 54s
javadoc (core)	7m 9s
archetypes/r5-jar	5m 15s
tests/native-image-se-1-macos	5m 30s
examples/macos	9m 24s
javadoc (integrations)	5m 21s
tests/native-image-inject-macos	5m 26s
javadoc (others)	8m 11s
tests/packaging-jar-linux	7m 21s
archetypes/legacy	4m 56s
tests/packaging-jlink-linux	10m 46s
quickstarts/linux	11m 12s
tests/packaging-jar-macos	5m 52s
quickstarts/macos	12m 5s
tests/packaging-jlink-macos	7m 43s
tests/results	1s
gate	1s
	6h 1m 0s

Provide feedback