[CAS 4.2.7] Ticket ''{0}'' not recognized on cas client

[Tran Phu]

first login, cas client app is OK
but on second login, it throw exception
and url on browser http://bkit07s-macbook-pro.local:9090/?ticket=ST-3-6mQccyA9fRKdRrF1H94j-cas01.example.org

Jan 11, 2017 12:38:07 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [org.jasig.cas.client.validation.TicketValidationException: 
            Ticket ''{0}'' not recognized
    ] with root cause
org.jasig.cas.client.validation.TicketValidationException: 
            Ticket ''{0}'' not recognized
    
	at org.jasig.cas.client.validation.Cas20ServiceTicketValidator.parseResponseFromServer(Cas20ServiceTicketValidator.java:84)
	at org.jasig.cas.client.validation.AbstractUrlBasedTicketValidator.validate(AbstractUrlBasedTicketValidator.java:201)
	at org.jasig.cas.client.validation.AbstractTicketValidationFilter.doFilter(AbstractTicketValidationFilter.java:204)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:97)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

and this is CAS server log,

2017-01-11 00:38:07,446 WARN [org.jasig.cas.authentication.handler.DefaultPasswordEncoder] - <Using UTF-8 as the character encoding algorithm to update the digest>
2017-01-11 00:38:07,448 INFO [org.jasig.cas.authentication.PolicyBasedAuthenticationManager] - <SearchModeSearchDatabaseAuthenticationHandler successfully authenticated admin>
2017-01-11 00:38:07,449 INFO [org.jasig.cas.authentication.PolicyBasedAuthenticationManager] - <Authenticated admin with credentials [admin].>
2017-01-11 00:38:07,449 INFO [org.jasig.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - <Audit trail record BEGIN
=============================================================
WHO: admin
WHAT: Supplied credentials: [admin]
ACTION: AUTHENTICATION_SUCCESS
APPLICATION: CAS
WHEN: Wed Jan 11 00:38:07 ICT 2017
CLIENT IP ADDRESS: 192.168.1.5
SERVER IP ADDRESS: 192.168.1.5
=============================================================

>
Hibernate: select ticketgran0_.ID as ID2_2_0_, ticketgran0_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_0_, ticketgran0_.CREATION_TIME as CREATION4_2_0_, ticketgran0_.EXPIRATION_POLICY as EXPIRATI5_2_0_, ticketgran0_.LAST_TIME_USED as LAST_TIM6_2_0_, ticketgran0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_0_, ticketgran0_.ticketGrantingTicket_ID as ticketG13_2_0_, ticketgran0_.AUTHENTICATION as AUTHENTI8_2_0_, ticketgran0_.EXPIRED as EXPIRED9_2_0_, ticketgran0_.PROXIED_BY as PROXIED10_2_0_, ticketgran0_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_0_, ticketgran0_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_0_, ticketgran0_.TYPE as TYPE1_2_0_, ticketgran1_.ID as ID2_2_1_, ticketgran1_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_1_, ticketgran1_.CREATION_TIME as CREATION4_2_1_, ticketgran1_.EXPIRATION_POLICY as EXPIRATI5_2_1_, ticketgran1_.LAST_TIME_USED as LAST_TIM6_2_1_, ticketgran1_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_1_, ticketgran1_.ticketGrantingTicket_ID as ticketG13_2_1_, ticketgran1_.AUTHENTICATION as AUTHENTI8_2_1_, ticketgran1_.EXPIRED as EXPIRED9_2_1_, ticketgran1_.PROXIED_BY as PROXIED10_2_1_, ticketgran1_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_1_, ticketgran1_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_1_, ticketgran1_.TYPE as TYPE1_2_1_ from TICKETGRANTINGTICKET ticketgran0_ left outer join TICKETGRANTINGTICKET ticketgran1_ on ticketgran0_.ticketGrantingTicket_ID=ticketgran1_.ID where ticketgran0_.ID=?
Hibernate: select proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_0_, proxygrant0_.ID as ID2_2_0_, proxygrant0_.ID as ID2_2_1_, proxygrant0_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_1_, proxygrant0_.CREATION_TIME as CREATION4_2_1_, proxygrant0_.EXPIRATION_POLICY as EXPIRATI5_2_1_, proxygrant0_.LAST_TIME_USED as LAST_TIM6_2_1_, proxygrant0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_1_, proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_1_, proxygrant0_.AUTHENTICATION as AUTHENTI8_2_1_, proxygrant0_.EXPIRED as EXPIRED9_2_1_, proxygrant0_.PROXIED_BY as PROXIED10_2_1_, proxygrant0_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_1_, proxygrant0_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_1_, proxygrant0_.TYPE as TYPE1_2_1_ from TICKETGRANTINGTICKET proxygrant0_ where proxygrant0_.ticketGrantingTicket_ID=?
2017-01-11 00:38:07,465 INFO [org.jasig.cas.CentralAuthenticationServiceImpl] - <Granted ticket [ST-3-6mQccyA9fRKdRrF1H94j-cas01.example.org] for service [http://bkit07s-MacBook-Pro.local:9090/] and principal [admin]>
2017-01-11 00:38:07,467 INFO [org.jasig.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - <Audit trail record BEGIN
=============================================================
WHO: admin
WHAT: ST-3-6mQccyA9fRKdRrF1H94j-cas01.example.org for http://bkit07s-MacBook-Pro.local:9090/
ACTION: SERVICE_TICKET_CREATED
APPLICATION: CAS
WHEN: Wed Jan 11 00:38:07 ICT 2017
CLIENT IP ADDRESS: 192.168.1.5
SERVER IP ADDRESS: 192.168.1.5
=============================================================

>
Hibernate: insert into SERVICETICKET (NUMBER_OF_TIMES_USED, CREATION_TIME, EXPIRATION_POLICY, LAST_TIME_USED, PREVIOUS_LAST_TIME_USED, ticketGrantingTicket_ID, FROM_NEW_LOGIN, TICKET_ALREADY_GRANTED, SERVICE, TYPE, ID) values (?, ?, ?, ?, ?, ?, ?, ?, ?, 'ST', ?)
Hibernate: update TICKETGRANTINGTICKET set NUMBER_OF_TIMES_USED=?, CREATION_TIME=?, EXPIRATION_POLICY=?, LAST_TIME_USED=?, PREVIOUS_LAST_TIME_USED=?, ticketGrantingTicket_ID=?, AUTHENTICATION=?, EXPIRED=?, PROXIED_BY=?, SERVICES_GRANTED_ACCESS_TO=?, SUPPLEMENTAL_AUTHENTICATIONS=? where ID=?
Hibernate: select servicetic0_.ID as ID2_1_0_, servicetic0_.NUMBER_OF_TIMES_USED as NUMBER_O3_1_0_, servicetic0_.CREATION_TIME as CREATION4_1_0_, servicetic0_.EXPIRATION_POLICY as EXPIRATI5_1_0_, servicetic0_.LAST_TIME_USED as LAST_TIM6_1_0_, servicetic0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_1_0_, servicetic0_.ticketGrantingTicket_ID as ticketG11_1_0_, servicetic0_.FROM_NEW_LOGIN as FROM_NEW8_1_0_, servicetic0_.TICKET_ALREADY_GRANTED as TICKET_A9_1_0_, servicetic0_.SERVICE as SERVICE10_1_0_, servicetic0_.TYPE as TYPE1_1_0_, ticketgran1_.ID as ID2_2_1_, ticketgran1_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_1_, ticketgran1_.CREATION_TIME as CREATION4_2_1_, ticketgran1_.EXPIRATION_POLICY as EXPIRATI5_2_1_, ticketgran1_.LAST_TIME_USED as LAST_TIM6_2_1_, ticketgran1_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_1_, ticketgran1_.ticketGrantingTicket_ID as ticketG13_2_1_, ticketgran1_.AUTHENTICATION as AUTHENTI8_2_1_, ticketgran1_.EXPIRED as EXPIRED9_2_1_, ticketgran1_.PROXIED_BY as PROXIED10_2_1_, ticketgran1_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_1_, ticketgran1_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_1_, ticketgran1_.TYPE as TYPE1_2_1_, ticketgran2_.ID as ID2_2_2_, ticketgran2_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_2_, ticketgran2_.CREATION_TIME as CREATION4_2_2_, ticketgran2_.EXPIRATION_POLICY as EXPIRATI5_2_2_, ticketgran2_.LAST_TIME_USED as LAST_TIM6_2_2_, ticketgran2_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_2_, ticketgran2_.ticketGrantingTicket_ID as ticketG13_2_2_, ticketgran2_.AUTHENTICATION as AUTHENTI8_2_2_, ticketgran2_.EXPIRED as EXPIRED9_2_2_, ticketgran2_.PROXIED_BY as PROXIED10_2_2_, ticketgran2_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_2_, ticketgran2_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_2_, ticketgran2_.TYPE as TYPE1_2_2_ from SERVICETICKET servicetic0_ left outer join TICKETGRANTINGTICKET ticketgran1_ on servicetic0_.ticketGrantingTicket_ID=ticketgran1_.ID left outer join TICKETGRANTINGTICKET ticketgran2_ on ticketgran1_.ticketGrantingTicket_ID=ticketgran2_.ID where servicetic0_.ID=?
Hibernate: select proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_0_, proxygrant0_.ID as ID2_2_0_, proxygrant0_.ID as ID2_2_1_, proxygrant0_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_1_, proxygrant0_.CREATION_TIME as CREATION4_2_1_, proxygrant0_.EXPIRATION_POLICY as EXPIRATI5_2_1_, proxygrant0_.LAST_TIME_USED as LAST_TIM6_2_1_, proxygrant0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_1_, proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_1_, proxygrant0_.AUTHENTICATION as AUTHENTI8_2_1_, proxygrant0_.EXPIRED as EXPIRED9_2_1_, proxygrant0_.PROXIED_BY as PROXIED10_2_1_, proxygrant0_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_1_, proxygrant0_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_1_, proxygrant0_.TYPE as TYPE1_2_1_ from TICKETGRANTINGTICKET proxygrant0_ where proxygrant0_.ticketGrantingTicket_ID=?
Hibernate: update SERVICETICKET set NUMBER_OF_TIMES_USED=?, CREATION_TIME=?, EXPIRATION_POLICY=?, LAST_TIME_USED=?, PREVIOUS_LAST_TIME_USED=?, ticketGrantingTicket_ID=?, FROM_NEW_LOGIN=?, TICKET_ALREADY_GRANTED=?, SERVICE=? where ID=?
Hibernate: select servicetic0_.ID as ID2_1_, servicetic0_.NUMBER_OF_TIMES_USED as NUMBER_O3_1_, servicetic0_.CREATION_TIME as CREATION4_1_, servicetic0_.EXPIRATION_POLICY as EXPIRATI5_1_, servicetic0_.LAST_TIME_USED as LAST_TIM6_1_, servicetic0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_1_, servicetic0_.ticketGrantingTicket_ID as ticketG11_1_, servicetic0_.FROM_NEW_LOGIN as FROM_NEW8_1_, servicetic0_.TICKET_ALREADY_GRANTED as TICKET_A9_1_, servicetic0_.SERVICE as SERVICE10_1_, servicetic0_.TYPE as TYPE1_1_ from SERVICETICKET servicetic0_ where servicetic0_.ID=?
2017-01-11 00:38:07,533 INFO [org.jasig.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - <Audit trail record BEGIN
=============================================================
WHO: admin
WHAT: ST-3-6mQccyA9fRKdRrF1H94j-cas01.example.org
ACTION: SERVICE_TICKET_VALIDATED
APPLICATION: CAS
WHEN: Wed Jan 11 00:38:07 ICT 2017
CLIENT IP ADDRESS: 192.168.1.5
SERVER IP ADDRESS: 192.168.1.5
=============================================================

>
Hibernate: delete from SERVICETICKET where ID=?
2017-01-11 00:38:07,919 INFO [org.jasig.cas.ticket.registry.JpaTicketRegistryCleaner] - <Beginning ticket cleanup.>
Hibernate: select jpalocking0_.application_id as applicat1_0_0_, jpalocking0_.expiration_date as expirati2_0_0_, jpalocking0_.unique_id as unique_i3_0_0_ from locks jpalocking0_ where jpalocking0_.application_id=? for update
2017-01-11 00:38:07,924 INFO [org.jasig.cas.ticket.registry.JpaTicketRegistryCleaner] - <Beginning ticket cleanup...>
Hibernate: select ticketgran0_.ID as ID2_2_, ticketgran0_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_, ticketgran0_.CREATION_TIME as CREATION4_2_, ticketgran0_.EXPIRATION_POLICY as EXPIRATI5_2_, ticketgran0_.LAST_TIME_USED as LAST_TIM6_2_, ticketgran0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_, ticketgran0_.ticketGrantingTicket_ID as ticketG13_2_, ticketgran0_.AUTHENTICATION as AUTHENTI8_2_, ticketgran0_.EXPIRED as EXPIRED9_2_, ticketgran0_.PROXIED_BY as PROXIED10_2_, ticketgran0_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_, ticketgran0_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_, ticketgran0_.TYPE as TYPE1_2_ from TICKETGRANTINGTICKET ticketgran0_
Hibernate: select proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_0_, proxygrant0_.ID as ID2_2_0_, proxygrant0_.ID as ID2_2_1_, proxygrant0_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_1_, proxygrant0_.CREATION_TIME as CREATION4_2_1_, proxygrant0_.EXPIRATION_POLICY as EXPIRATI5_2_1_, proxygrant0_.LAST_TIME_USED as LAST_TIM6_2_1_, proxygrant0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_1_, proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_1_, proxygrant0_.AUTHENTICATION as AUTHENTI8_2_1_, proxygrant0_.EXPIRED as EXPIRED9_2_1_, proxygrant0_.PROXIED_BY as PROXIED10_2_1_, proxygrant0_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_1_, proxygrant0_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_1_, proxygrant0_.TYPE as TYPE1_2_1_ from TICKETGRANTINGTICKET proxygrant0_ where proxygrant0_.ticketGrantingTicket_ID=?
Hibernate: select servicetic0_.ID as ID2_1_, servicetic0_.NUMBER_OF_TIMES_USED as NUMBER_O3_1_, servicetic0_.CREATION_TIME as CREATION4_1_, servicetic0_.EXPIRATION_POLICY as EXPIRATI5_1_, servicetic0_.LAST_TIME_USED as LAST_TIM6_1_, servicetic0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_1_, servicetic0_.ticketGrantingTicket_ID as ticketG11_1_, servicetic0_.FROM_NEW_LOGIN as FROM_NEW8_1_, servicetic0_.TICKET_ALREADY_GRANTED as TICKET_A9_1_, servicetic0_.SERVICE as SERVICE10_1_, servicetic0_.TYPE as TYPE1_1_ from SERVICETICKET servicetic0_
2017-01-11 00:38:07,937 INFO [org.jasig.cas.ticket.registry.JpaTicketRegistryCleaner] - <0 expired tickets found.>
2017-01-11 00:38:07,937 INFO [org.jasig.cas.ticket.registry.JpaTicketRegistryCleaner] - <0 expired tickets removed.>
Hibernate: select jpalocking0_.application_id as applicat1_0_0_, jpalocking0_.expiration_date as expirati2_0_0_, jpalocking0_.unique_id as unique_i3_0_0_ from locks jpalocking0_ where jpalocking0_.application_id=? for update
2017-01-11 00:38:07,941 INFO [org.jasig.cas.ticket.registry.JpaTicketRegistryCleaner] - <Finished ticket cleanup.>
2017-01-11 00:38:09,387 INFO [org.jasig.cas.ticket.registry.TicketRegistryCleaner] - <Beginning ticket cleanup...>
Hibernate: select ticketgran0_.ID as ID2_2_, ticketgran0_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_, ticketgran0_.CREATION_TIME as CREATION4_2_, ticketgran0_.EXPIRATION_POLICY as EXPIRATI5_2_, ticketgran0_.LAST_TIME_USED as LAST_TIM6_2_, ticketgran0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_, ticketgran0_.ticketGrantingTicket_ID as ticketG13_2_, ticketgran0_.AUTHENTICATION as AUTHENTI8_2_, ticketgran0_.EXPIRED as EXPIRED9_2_, ticketgran0_.PROXIED_BY as PROXIED10_2_, ticketgran0_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_, ticketgran0_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_, ticketgran0_.TYPE as TYPE1_2_ from TICKETGRANTINGTICKET ticketgran0_
Hibernate: select proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_0_, proxygrant0_.ID as ID2_2_0_, proxygrant0_.ID as ID2_2_1_, proxygrant0_.NUMBER_OF_TIMES_USED as NUMBER_O3_2_1_, proxygrant0_.CREATION_TIME as CREATION4_2_1_, proxygrant0_.EXPIRATION_POLICY as EXPIRATI5_2_1_, proxygrant0_.LAST_TIME_USED as LAST_TIM6_2_1_, proxygrant0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_2_1_, proxygrant0_.ticketGrantingTicket_ID as ticketG13_2_1_, proxygrant0_.AUTHENTICATION as AUTHENTI8_2_1_, proxygrant0_.EXPIRED as EXPIRED9_2_1_, proxygrant0_.PROXIED_BY as PROXIED10_2_1_, proxygrant0_.SERVICES_GRANTED_ACCESS_TO as SERVICE11_2_1_, proxygrant0_.SUPPLEMENTAL_AUTHENTICATIONS as SUPPLEM12_2_1_, proxygrant0_.TYPE as TYPE1_2_1_ from TICKETGRANTINGTICKET proxygrant0_ where proxygrant0_.ticketGrantingTicket_ID=?
Hibernate: select servicetic0_.ID as ID2_1_, servicetic0_.NUMBER_OF_TIMES_USED as NUMBER_O3_1_, servicetic0_.CREATION_TIME as CREATION4_1_, servicetic0_.EXPIRATION_POLICY as EXPIRATI5_1_, servicetic0_.LAST_TIME_USED as LAST_TIM6_1_, servicetic0_.PREVIOUS_LAST_TIME_USED as PREVIOUS7_1_, servicetic0_.ticketGrantingTicket_ID as ticketG11_1_, servicetic0_.FROM_NEW_LOGIN as FROM_NEW8_1_, servicetic0_.TICKET_ALREADY_GRANTED as TICKET_A9_1_, servicetic0_.SERVICE as SERVICE10_1_, servicetic0_.TYPE as TYPE1_1_ from SERVICETICKET servicetic0_
2017-01-11 00:38:09,401 INFO [org.jasig.cas.ticket.registry.TicketRegistryCleaner] - <0 expired tickets found and removed.>
2017-01-11 00:39:02,455 INFO [org.jasig.cas.services.DefaultServicesManagerImpl] - <Reloading registered services.>
2017-01-11 00:39:02,458 INFO [org.jasig.cas.services.DefaultServicesManagerImpl] - <Loaded 1 services from JsonServiceRegistryDao.>

I use

<alias name="ticketGrantingTicketExpirationPolicy" alias="grantingTicketExpirationPolicy" />
    <alias name="multiTimeUseOrTimeoutExpirationPolicy" alias="serviceTicketExpirationPolicy" />

with configuration on cas.properties as bellow

# Default Expiration Policy
tgt.maxTimeToLiveInSeconds=28800
tgt.timeToKillInSeconds=7200

##
# Service Ticket Timeout
#
st.timeToKillInSeconds=1000000
st.numberOfUses=1

is this kind of bug? can anyone help me fix?