osgi> ss | grep drop
84 INSTALLED org.opendaylight.openflowplugin.drop-test_0.0.3.SNAPSHOT
true
osgi>
osgi> start 84
gogo: BundleException: The bundle "org.opendaylight.openflowplugin.drop-test_0.0.3.SNAPSHOT [84]" could not be resolved. Reason: Missing Constraint: Import-Package: org.apache.commons.codec.binary; version="[1.8.0,2.0.0)"

Was using the controller downloaded using the following link.
https://jenkins.opendaylight.org/openflowplugin/job/openflowplugin-merge/lastSuccessfulBuild/org.opendaylight.openflowplugin$distributions-openflowplugin-base/artifact/org.opendaylight.openflowplugin/distributions-openflowplugin-base/0.0.3-SNAPSHOT/distributions-openflowplugin-base-0.0.3-SNAPSHOT-osgipackage.zip