NoClassDefFoundError org.apache.cxf.attachment.AttachmentUtil

Exception in thread "main" java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.
lang.NoClassDefFoundError: Could not initialize class org.apache.cxf.attachment.AttachmentUtil
    at /home/rsearls/j1/jbws/jbossws-cxf/modules/testsuite/cxf-tests/target/test-libs/jaxws-cxf-j
bws3713-client.jar//org.jboss.test.ws.jaxws.cxf.jbws3713.HelperUsignThreadLocal.run(HelperUsignThread
Local.java:112)
    at /home/rsearls/j1/jbws/jbossws-cxf/modules/testsuite/cxf-tests/target/test-libs/jaxws-cxf-j
bws3713-client.jar//org.jboss.test.ws.jaxws.cxf.jbws3713.HelperUsignThreadLocal.run(HelperUsignThread
Local.java:58)
    at /home/rsearls/j1/jbws/jbossws-cxf/modules/testsuite/cxf-tests/target/test-libs/jaxws-cxf-j
bws3713-client.jar//org.jboss.test.ws.jaxws.cxf.jbws3713.TestClient.main(TestClient.java:33)
    at org.jboss.modules.Module.run(Module.java:353)
    at org.jboss.modules.Module.run(Module.java:321)
    at org.jboss.modules.Main.main(Main.java:604)
Caused by: java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError: Could not initial
ize class org.apache.cxf.attachment.AttachmentUtil
    at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
    at /home/rsearls/j1/jbws/jbossws-cxf/modules/testsuite/cxf-tests/target/test-libs/jaxws-cxf-j
bws3713-client.jar//org.jboss.test.ws.jaxws.cxf.jbws3713.HelperUsignThreadLocal.run(HelperUsignThread
Local.java:105)
    ... 5 more