[HDDS-1351] NoClassDefFoundError when running ozone genconf

[adoroszlai]

What changes were proposed in this pull request?

Add jaxb-core to hadoop-ozone-tools dependencies to make ozone genconf work again.

https://issues.apache.org/jira/browse/HDDS-1351

How was this patch tested?

$ mvn -Phdds -DskipTests -Dmaven.javadoc.skip=true -Pdist -Dtar -DskipShade -am -pl :hadoop-ozone-dist clean package
$ cd $(git rev-parse --show-toplevel)/hadoop-ozone/dist/target/ozone-*-SNAPSHOT/compose/ozones3
$ docker-compose run datanode ozone genconf /tmp
ozone-site.xml has been generated at /tmp

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	27	Docker mode activated.
		_ Prechecks _
+1	@author	0	The patch does not contain any @author tags.
-1	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ trunk Compile Tests _
+1	mvninstall	1027	trunk passed
+1	compile	58	trunk passed
+1	mvnsite	31	trunk passed
+1	shadedclient	1789	branch has no errors when building and testing our client artifacts.
+1	javadoc	19	trunk passed
		_ Patch Compile Tests _
+1	mvninstall	34	the patch passed
+1	compile	23	the patch passed
+1	javac	23	the patch passed
+1	mvnsite	23	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	xml	2	The patch has no ill-formed XML file.
+1	shadedclient	685	patch has no errors when building and testing our client artifacts.
+1	javadoc	17	the patch passed
		_ Other Tests _
+1	unit	63	tools in the patch passed.
+1	asflicense	25	The patch does not generate ASF License warnings.
		2821

Subsystem	Report/Notes
Docker	Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/hadoop-multibranch/job/PR-659/1/artifact/out/Dockerfile
GITHUB PR	#659
JIRA Issue	HDDS-1351
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient xml
uname	Linux 0fe4c6c24cf7 4.4.0-139-generic #165-Ubuntu SMP Wed Oct 24 10:58:50 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / 4cceeb2
maven	version: Apache Maven 3.3.9
Default Java	1.8.0_191
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-659/1/testReport/
Max. process+thread count	2388 (vs. ulimit of 5500)
modules	C: hadoop-ozone/tools U: hadoop-ozone/tools
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-659/1/console
Powered by	Apache Yetus 0.9.0 http://yetus.apache.org

This message was automatically generated.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	26	Docker mode activated.
		_ Prechecks _
+1	@author	0	The patch does not contain any @author tags.
-1	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ trunk Compile Tests _
+1	mvninstall	992	trunk passed
+1	compile	63	trunk passed
+1	mvnsite	30	trunk passed
+1	shadedclient	1726	branch has no errors when building and testing our client artifacts.
+1	javadoc	23	trunk passed
		_ Patch Compile Tests _
+1	mvninstall	34	the patch passed
+1	compile	25	the patch passed
+1	javac	24	the patch passed
+1	mvnsite	24	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	xml	1	The patch has no ill-formed XML file.
+1	shadedclient	707	patch has no errors when building and testing our client artifacts.
+1	javadoc	21	the patch passed
		_ Other Tests _
+1	unit	66	tools in the patch passed.
+1	asflicense	29	The patch does not generate ASF License warnings.
		2793

Subsystem	Report/Notes
Docker	Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/hadoop-multibranch/job/PR-659/2/artifact/out/Dockerfile
GITHUB PR	#659
JIRA Issue	HDDS-1351
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient xml
uname	Linux 116c4791447d 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / f41f938
maven	version: Apache Maven 3.3.9
Default Java	1.8.0_191
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-659/2/testReport/
Max. process+thread count	2519 (vs. ulimit of 5500)
modules	C: hadoop-ozone/tools U: hadoop-ozone/tools
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-659/2/console
Powered by	Apache Yetus 0.9.0 http://yetus.apache.org

This message was automatically generated.