foo

clj-heritrix.core=> (print-table (:members (r/reflect h)))

|                        :name |                                :type |             :declaring-class |                     :flags |
|------------------------------+--------------------------------------+------------------------------+----------------------------|
|                   PROPERTIES |                     java.lang.String | org.archive.crawler.Heritrix | #{:private :static :final} |
|             useAdhocKeystore |                                      | org.archive.crawler.Heritrix |              #{:protected} |
|                 getComponent |                                      | org.archive.crawler.Heritrix |                 #{:public} |
|                 instanceMain |                                      | org.archive.crawler.Heritrix |                 #{:public} |
|                      options |                                      | org.archive.crawler.Heritrix |        #{:private :static} |
| org.archive.crawler.Heritrix |                                      | org.archive.crawler.Heritrix |                 #{:public} |
|                        usage |                                      | org.archive.crawler.Heritrix |        #{:private :static} |
|                    getEngine |                                      | org.archive.crawler.Heritrix |                 #{:public} |
|               getCommandLine |                                      | org.archive.crawler.Heritrix |        #{:private :static} |
|                       engine | org.archive.crawler.framework.Engine | org.archive.crawler.Heritrix |              #{:protected} |
|                  setupServer |                                      | org.archive.crawler.Heritrix |              #{:protected} |
|               ADHOC_PASSWORD |                     java.lang.String | org.archive.crawler.Heritrix | #{:private :static :final} |
|                         CONF |                     java.lang.String | org.archive.crawler.Heritrix | #{:private :static :final} |
|     getDefaultPropertiesFile |                                      | org.archive.crawler.Heritrix |        #{:private :static} |
|                         main |                                      | org.archive.crawler.Heritrix |         #{:static :public} |
|                     STARTLOG |                     java.lang.String | org.archive.crawler.Heritrix | #{:private :static :final} |
|              getHeritrixHome |                                      | org.archive.crawler.Heritrix |      #{:protected :static} |
|               ADHOC_KEYSTORE |                     java.lang.String | org.archive.crawler.Heritrix | #{:private :static :final} |
|                    component |                org.restlet.Component | org.archive.crawler.Heritrix |              #{:protected} |
|                       logger |             java.util.logging.Logger | org.archive.crawler.Heritrix | #{:private :static :final} |
|        setupGlobalProperties |                                      | org.archive.crawler.Heritrix |              #{:protected} |
nil
clj-heritrix.core=> (.instanceMain Heritrix "-a" "admin")

IllegalArgumentException No matching method found: instanceMain for class java.lang.Class  clojure.lang.Reflector.invokeMatchingMethod (Reflector.java:53)
clj-heritrix.core=> (.instanceMain h "-a" "admin")

IllegalArgumentException No matching method found: instanceMain for class org.archive.crawler.Heritrix  clojure.lang.Reflector.invokeMatchingMethod (Reflector.java:53)
clj-heritrix.core=>

Have you tried passing it an array of Strings instead of two Strings?

Yup that was it. Thanks!