Quick update... I worked around this for now by implementing a dummy resource lookup class and deploying to the server.
On Tue, 27 Feb 2018 at 13:08 Nigel Jones <ni...@cherrybyte.me.uk> wrote: > Having tried this against master (for about a week ago) I am still getting > the same issue deploying the plugin on a base ranger install (it works ok > in HDP) > > The exception trace in the log included as an attachment > > My ews/lib directory does include > ranger-plugins-common-1.0.0-SNAPSHOT.jar > > and is readable by the user ranger is started with > > It is also available within ews/webapp/WEB-INF/lib > > Currently my implClass is blank > > Any ideas? > > On Sat, 3 Feb 2018 at 00:37 Ramesh Mani <rm...@hortonworks.com> wrote: > >> Nigel, >> >> Could you please provide the exception stack that is printed along with >> error message you are showing. Please check in xa_portal.log ( Ranger >> log). >> >> Also check in Ranger class path ranger-plugins-common*jar is there. Check >> in {install.dir}/ranger-admin/ews/lib and >> {install.dir}/ranger-admin/ews/webapp/WEB-INF/lib and it has the necessary >> permission for the process user who start ranger admin. >> >> As you notice it should have used the base implementation when you leave >> implClass blank / or not in the service def. >> >> Regards, >> Ramesh >> >> >> On 2/2/18, 6:24 AM, "Nigel Jones" <nigel.l.jo...@gmail.com> wrote: >> >> >We're currently writing a Ranger plugin for an open source virtual >> >database driver known as ŒGaianDB¹. >> > >> >We have the basics of a plugin working, but today a colleague tried to >> >setup our plugin, and on their ranger install they could not create an >> >instance of our ranger service, hitting the error >> > >> >"Gaian failed to find service class >> >org.apache.ranger.services.gaiandb.RangerServiceGaian. Resource lookup >> >will not be available. Please make sure plugin jar is in the correct >> >place.² >> > >> >I had expected this to be a warning (fair enough), but it actually >> >prevents the UI from saving the service instance, and so Gaian related >> >policies cannot be created. >> > >> >They got this on I think a) an old 0.6.x build, and 0.7.1. >> >Meanwhile I had been using a HDP 2.6.3 setup, which comes with 0.7.0 and >> >with the same service definition did NOT of course hit this error. >> > >> >We haven¹t actually deployed any plugin code to the ranger server (yet) >> >since we have not implemented the resource lookup capability. We had >> >though specified an implClass in the servicedef. It¹s a later task :-) >> > >> >Looking at the ranger code in ServiceMgr.java it seems as if an empty >> >string should cause ranger to use a default class. We tried this, as well >> >as specifying the org.apache.ranger.plugin.service.RangerDefaultService >> >class, but had the same error in both cases. I was though looking at code >> >in master and see there have been a few changes >> > >> >Any suggestions as to how to persuade 0.7.0 to load the servicedef (other >> >than implement the class required, albeit a no-op oneŠ?), or an >> >explanation as to why we might see different behaviour? >> > >> >I¹m setting up a ranger install off master to debug/check latest codeŠ. >> > >> >For info the servicedef begins: >> >{ >> > "id":99, >> > "name": "gaian", >> > "implClass": "org.apache.ranger.services.gaiandb.RangerServiceGaian", >> > "label": "Gaian", >> > "description": "Gaian", >> > "options": { >> > "enableDenyAndExceptionsInPolicies": "true" >> > }, >> > "guid": "86d10748-e4fc-442b-8991-f6a727054ece", >> > >> > "resources": [ >> >The full version can be found in >> >https://issues.apache.org/jira/browse/RANGER-1699 >> ><https://issues.apache.org/jira/browse/RANGER-1699> - see the latest >> >attachment. Not as a patch as currently getting things working in a diff. >> >Build tree >> > >> >If it seems like a bug (rather than a newbie error or specific to hdp) >> >let me know and I¹ll open a jira! >> > >> >Many thanks >> >Nigel. >> > >> > >> > >> >>