XWiki 10.8RC1 fails to start on Oracle

 2018-09-21 11:47:43,904 [XWiki initialization] ERROR c.x.x.i.XWikiInitializerJob    - Exception thrown during job execution
java.lang.AbstractMethodError: oracle.jdbc.driver.T4CConnection.getSchema()Ljava/lang/String;
        at org.apache.commons.dbcp2.DelegatingConnection.getSchema(DelegatingConnection.java:941)
        at org.apache.commons.dbcp2.PoolingConnection.getSchemaOrNull(PoolingConnection.java:282)
        at org.apache.commons.dbcp2.PoolingConnection.createKey(PoolingConnection.java:128)
        at org.apache.commons.dbcp2.PoolingConnection.prepareStatement(PoolingConnection.java:437)
        at org.apache.commons.dbcp2.DelegatingConnection.prepareStatement(DelegatingConnection.java:292)
        at org.apache.commons.dbcp2.DelegatingConnection.prepareStatement(DelegatingConnection.java:292)
        at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:534)
        at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:452)
        at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161)
        at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1700)
        at org.hibernate.loader.Loader.doQuery(Loader.java:801)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
        at org.hibernate.loader.Loader.doList(Loader.java:2542)
        at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276)
        at org.hibernate.loader.Loader.list(Loader.java:2271)
        at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:119)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1716)
        at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)
        at org.hibernate.impl.CriteriaImpl.uniqueResult(CriteriaImpl.java:369)
        at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$1.doInHibernate(HibernateDataMigrationManager.java:104)
        at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$1.doInHibernate(HibernateDataMigrationManager.java:99)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:921)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.failSafeExecute(XWikiHibernateBaseStore.java:885)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.failSafeExecuteRead(XWikiHibernateBaseStore.java:976)
        at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.getDBVersionFromDatabase(HibernateDataMigrationManager.java:98)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.getDataMigrationStatus(AbstractDataMigrationManager.java:421)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.getDatabaseStatus(AbstractDataMigrationManager.java:564)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:532)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.setWiki(HibernateStore.java:339)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.setWiki(HibernateStore.java:302)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:472)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:682)
        at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:894)
        at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:353)
        at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1896)
        at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1958)
        at com.xpn.xwiki.XWiki.initializeMandatoryDocument(XWiki.java:1321)
        at com.xpn.xwiki.XWiki.initializeMandatoryDocuments(XWiki.java:1295)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:1213)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:1155)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:1128)
        at com.xpn.xwiki.internal.XWikiInitializerJob.runInternal(XWikiInitializerJob.java:117)
        at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:206)
        at org.xwiki.job.AbstractJob.run(AbstractJob.java:189)
        at java.lang.Thread.run(Unknown Source)