intermittent NPE in QueryTranslator.updateJobStats()

04:39:36.563 [HttpExecutor(port:19002)-12] WARN  org.apache.asterix.api.http.server.QueryServiceServlet - handleException: unexpected exception: {"host":"127.0.0.1:19002","path":"/query/service","statement":"select dv.DataverseName from Metadata.`Dataverse` as dv order by dv.DataverseName","pretty":false,"mode":"immediate","clientContextID":null,"clientType":"ASTERIX","dataverse":null,"format":"CLEAN_JSON","timeout":9223372036854775807,"maxResultReads":1,"planFormat":"STRING","expressionTree":false,"rewrittenExpressionTree":false,"logicalPlan":false,"optimizedLogicalPlan":false,"job":false,"profile":"counts","signature":true,"multiStatement":true,"parseOnly":false,"readOnly":false,"maxWarnings":0,"sqlCompat":false}

java.lang.NullPointerException: null

	at org.apache.asterix.app.translator.QueryTranslator.updateJobStats(QueryTranslator.java:4783) ~[asterix-app-0.9.8.2-SNAPSHOT.jar:0.9.8.2-SNAPSHOT]

	at org.apache.asterix.app.translator.QueryTranslator.lambda$deliverResult$4(QueryTranslator.java:4751) ~[asterix-app-0.9.8.2-SNAPSHOT.jar:0.9.8.2-SNAPSHOT]

	at org.apache.asterix.app.translator.QueryTranslator.createAndRunJob(QueryTranslator.java:4883) ~[asterix-app-0.9.8.2-SNAPSHOT.jar:0.9.8.2-SNAPSHOT]

	at org.apache.asterix.app.translator.QueryTranslator.deliverResult(QueryTranslator.java:4749) ~[asterix-app-0.9.8.2-SNAPSHOT.jar:0.9.8.2-SNAPSHOT]

	at org.apache.asterix.app.translator.QueryTranslator.handleQuery(QueryTranslator.java:4728) ~[asterix-app-0.9.8.2-SNAPSHOT.jar:0.9.8.2-SNAPSHOT]

	at org.apache.asterix.app.translator.QueryTranslator.compileAndExecute(QueryTranslator.java:498) ~[asterix-app-0.9.8.2-SNAPSHOT.jar:0.9.8.2-SNAPSHOT]

	at org.apache.asterix.api.http.server.QueryServiceServlet.executeStatement(QueryServiceServlet.java:415) ~[asterix-app-0.9.8.2-SNAPSHOT.jar:0.9.8.2-SNAPSHOT]