It seems that the GearmanPackage that is handled in GearmanJobStatusImpl.handleEvent does not have a NUMERATOR component.
java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Long.parseLong(Long.java:431)
at java.lang.Long.parseLong(Long.java:468)
at org.gearman.client.GearmanJobStatusImpl.handleEvent(GearmanJobStatusImpl.java:56)
at org.gearman.common.GearmanTask.handleGearmanIOEvent(GearmanTask.java:93)
at org.gearman.common.GearmanJobServerSession.handleResSessionEvent(GearmanJobServerSession.java:356)
at org.gearman.common.GearmanJobServerSession.handleSessionEvent(GearmanJobServerSession.java:240)
at org.gearman.common.GearmanJobServerSession.driveSessionIO(GearmanJobServerSession.java:203)
at org.gearman.client.GearmanClientImpl.driveClientIO(GearmanClientImpl.java:547)
at org.gearman.client.GearmanClientImpl.driveRequestTillState(GearmanClientImpl.java:599)
at org.gearman.client.GearmanClientImpl.updateJobStatus(GearmanClientImpl.java:569)
at org.gearman.client.GearmanClientImpl.getJobStatus(GearmanClientImpl.java:352)
