#fixed code
                                static PagedIterable<GHDiscussion> readAll(GHTeam team) throws IOException {
        return team.root.createRequest()
                .setRawUrlPath(getRawUrlPath(team, null))
                .toIterable(GHDiscussion[].class, item -> item.wrapUp(team));
    }
#vulnerable code 
                                static PagedIterable<GHDiscussion> readAll(GHTeam team) throws IOException {
        return team.root.createRequest()
                .setRawUrlPath(team.getUrl().toString() + "/discussions")
                .toIterable(GHDiscussion[].class, item -> item.wrapUp(team));
    } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE