2018-05-22 08:12:03.003 [ServerService Thread Pool -- 77]DEBUG o.d.d.sql.SQLDataSetProvider-SELECT * FROM (select vil.processinstanceid, vil.processid, vil.id, vil.variableid, vil.value from variableinstancelog vil where vil.id = (select max(v.id) from variableinstancelog v where v.variableid = vil.variableid and v.processinstanceid = vil.processinstanceid)) AS `dbSQL` LIMIT 1 2018-05-22 08:12:03.003 [ServerService Thread Pool -- 77]DEBUG o.d.dataprovider.sql.JDBCUtils-SELECT * FROM (select vil.processinstanceid, vil.processid, vil.id, vil.variableid, vil.value from variableinstancelog vil where vil.id = (select max(v.id) from variableinstancelog v where v.variableid = vil.variableid and v.processinstanceid = vil.processinstanceid)) AS `dbSQL` LIMIT 1 2018-05-22 08:12:03.003 [ServerService Thread Pool -- 77]DEBUG o.d.dataprovider.sql.JDBCUtils-SELECT COUNT(*) FROM (SELECT * FROM (select vil.processinstanceid, vil.processid, vil.id, vil.variableid, vil.value from variableinstancelog vil where vil.id = (select max(v.id) from variableinstancelog v where v.variableid = vil.variableid and v.processinstanceid = vil.processinstanceid)) AS `dbSQL`) AS `dbSQL` 2018-05-22 08:46:39.039 [ServerService Thread Pool -- 77]ERROR o.k.s.services.impl.KieServerImpl-Error when initializing server extension of type jBPM KIE Server extension org.dashbuilder.dataset.exception.DataSetLookupException: Can't get metadata on specified data set: jbpmProcessInstancesWithVariables at org.dashbuilder.dataset.DataSetManagerImpl.getDataSetMetadata(DataSetManagerImpl.java:182) at org.jbpm.kie.services.impl.query.QueryServiceImpl.replaceQuery(QueryServiceImpl.java:176) at org.jbpm.kie.services.impl.query.QueryServiceImpl.registerQuery(QueryServiceImpl.java:144) at org.jbpm.kie.services.impl.query.QueryServiceImpl.init(QueryServiceImpl.java:128) at org.kie.server.services.jbpm.JbpmKieServerExtension.init(JbpmKieServerExtension.java:237) at org.kie.server.services.impl.KieServerImpl.(KieServerImpl.java:120) at org.kie.server.services.impl.KieServerImpl.(KieServerImpl.java:97) at org.kie.server.services.impl.KieServerLocator.(KieServerLocator.java:20) 2018-05-22 08:16:11.011 [pool-20-thread-1]DEBUG o.k.w.c.s.d.m.b.DataSourceManagementBootstrap-Initialize deployments task started. 2018-05-22 08:16:11.011 [pool-20-thread-1]DEBUG o.k.w.c.s.d.m.b.i.w.WildflyBaseClient-starting ModelControllerClient connection close 2018-05-22 08:16:11.011 [pool-20-thread-1]DEBUG o.k.w.c.s.d.m.b.i.w.WildflyBaseClient-ModelControllerClient connection was closed successfully 2018-05-22 08:16:11.011 [pool-20-thread-1]DEBUG o.k.w.c.s.d.m.b.i.w.WildflyBaseClient-starting ModelControllerClient connection close 2018-05-22 08:16:11.011 [pool-20-thread-1]DEBUG o.k.w.c.s.d.m.b.i.w.WildflyBaseClient-ModelControllerClient connection was closed successfully 2018-05-22 08:16:11.011 [pool-20-thread-1]WARN o.k.w.c.s.d.m.b.DataSourceManagementBootstrap-Initialize deployments task finished with errors: operation execution failed. :WFLYCTL0379: System boot is in process; execution of remote management operations is not currently available 2018-05-22 08:16:11.011 [pool-20-thread-1]WARN o.k.w.c.s.d.m.b.DataSourceManagementBootstrap-Startup drivers and datasources initialization will be retried again in: 30000 MILLISECONDS(13 attempts left)