Wsprovide tool doesn't generate/keep class files on JDK10

[mkopecky@localhost bin]$ jdk8
[mkopecky@localhost bin]$ java -version
java version "1.8.0_111"
Java(TM) SE Runtime Environment (build 1.8.0_111-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.111-b14, mixed mode)
[mkopecky@localhost bin]$ ./wsprovide.sh -k -c ~/erase10/classes -o out  org.jboss.as.testsuite.integration.scripts.test.tools.Echo1Impl
Could not find log4j.properties or log4j.xml configuration, logging to console.

java2ws -s /home/mkopecky/playground/wf/wfly.22/wfly.22/bin/out -classdir /home/mkopecky/playground/wf/wfly.22/wfly.22/bin/out -d /home/mkopecky/playground/wf/wfly.22/wfly.22/bin/out -verbose -cp /home/mkopecky/erase10/classes/: -wrapperbean -createxsdimports org.jboss.as.testsuite.integration.scripts.test.tools.Echo1Impl
java2ws - Apache CXF 3.2.4

[mkopecky@localhost bin]$ find out/ | grep class
out/org/jboss/as/testsuite/integration/scripts/test/tools/jaxws/EchoPlus1.class
out/org/jboss/as/testsuite/integration/scripts/test/tools/jaxws/EchoPlus1Response.class
[mkopecky@localhost bin]$ jdk10
[mkopecky@localhost bin]$ rm -rf out
[mkopecky@localhost bin]$ java -version
java version "10" 2018-03-20
Java(TM) SE Runtime Environment 18.3 (build 10+46)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10+46, mixed mode)
[mkopecky@localhost bin]$ ./wsprovide.sh -k -c ~/erase10/classes -o out  org.jboss.as.testsuite.integration.scripts.test.tools.Echo1Impl
Could not find log4j.properties or log4j.xml configuration, logging to console.

java2ws -s /home/mkopecky/playground/wf/wfly.22/wfly.22/bin/out -classdir /home/mkopecky/playground/wf/wfly.22/wfly.22/bin/out -d /home/mkopecky/playground/wf/wfly.22/wfly.22/bin/out -verbose -cp /home/mkopecky/erase10/classes/: -wrapperbean -createxsdimports org.jboss.as.testsuite.integration.scripts.test.tools.Echo1Impl
java2ws - Apache CXF 3.2.4

[mkopecky@localhost bin]$ find out/ | grep class
[mkopecky@localhost bin]$