gen.writeStringField( "jql", jqlQuery );
gen.writeNumberField( "maxResults", nbEntriesMax );
gen.writeArrayFieldStart( "fields" );
// Retrieve all fields. If that seems slow, we can reconsider.
gen.writeString( "*all" );
gen.writeEndArray();
gen.writeEndObject();
gen.close();
client.replacePath( "/rest/api/2/search" );
client.type( MediaType.APPLICATION_JSON_TYPE );
client.accept( MediaType.APPLICATION_JSON_TYPE );