Embedded PatientSet Query Fails

Created initial patientset - Male Patients
Created new query dragged and dropped previously created patientset into group
Ran query - ran for ~60 secs no error returned in client following observed on server

Basic queries and embedded encounter queries work fine


21:24:10,421 INFO [DataSourceLookupHelper] Located DataSource for hiveId=[i2b2demo] projectId=[/Demo/]
21:24:10,421 INFO [OracleDAOFactory] Using datasource java:QueryToolDemoDS
21:24:10,422 INFO [STDOUT] ORIG domain idi2b2demo ORIG Demo ORIG bw921
21:24:12,779 ERROR [OntologyService] er.jobException is String index out of range: -3
21:24:12,779 INFO [OntologyService] waitTime is 180000
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21:25:10,746 ERROR [SortPanel] Error while fetching metadata [query_master_id:72] from ontology
org.apache.axis2.AxisFault: Incoming message input stream is null
        at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:64)
        at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:381)
        at org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisOperation.java:295)
        at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:579)
        at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:508)
        at edu.harvard.i2b2.crc.delegate.ontology.CallOntologyUtil.callOntology(Unknown Source)
        at edu.harvard.i2b2.crc.dao.setfinder.querybuilder.SortPanel.sortedPanelList(Unknown Source)
        at edu.harvard.i2b2.crc.dao.setfinder.querybuilder.QueryToolUtilNew.generateSqlForGroupedPanelList(Unknown Source)
        at edu.harvard.i2b2.crc.dao.setfinder.querybuilder.QueryToolUtilNew.getSetfinderSqlForQueryDefinition(Unknown Source)