云之家移动签到同步报错

云之家移动签到，同步shr测试报错，麻烦问下什么原因呀

Error message:请求重试超过三次，请求仍然不成功
Stack trace:
com.kingdee.bos.BOSException: 请求重试超过三次，请求仍然不成功
at com.kingdee.eas.hr.ats.syn.datasynch.PunchCardSynchroniztionManager.process(PunchCardSynchroniztionManager.java:279)
at com.kingdee.eas.hr.ats.syn.datasynch.Synchronization.synchronization(Synchronization.java:27)
at com.kingdee.eas.hr.ats.app.AtsAffairBaseFacadeControllerBean._transmitPunchCardRecordByWebService(AtsAffairBaseFacadeControllerBean.java:136)
at com.kingdee.eas.hr.ats.app.AbstractAtsAffairBaseFacadeControllerBean.transmitPunchCardRecordByWebService(AbstractAtsAffairBaseFacadeControllerBean.java:205)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.invoke(TxInvokerBean.java:125)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean.INVOKE_SUPPORTS(TxInvokerBean.java:64)
at com.kingdee.bos.transaction.EJBTxFacade.TxInvokerBean_LocalObjectImpl_2.INVOKE_SUPPORTS(Unknown Source)
at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:179)
at com.kingdee.bos.transaction.EJBTransactionProxy.invoke(EJBTransactionProxy.java:324)
at com.sun.proxy.$Proxy415.transmitPunchCardRecordByWebService(Unknown Source)
at com.kingdee.eas.hr.ats.AtsAffairBaseFacade.transmitPunchCardRecordByWebService(AtsAffairBaseFacade.java:157)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.kingdee.bos.ResponseInvocationHandler.invoke(ResponseInvocationHandler.java:194)
at com.sun.proxy.$Proxy414.transmitPunchCardRecordByWebService(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.kingdee.bos.service.job.wrapper.FacadeInvoke.innerLocalInvoke(FacadeInvoke.java:215)
at com.kingdee.bos.service.job.wrapper.FacadeInvoke.localInvoke(FacadeInvoke.java:92)
at com.kingdee.bos.service.job.wrapper.FacadeInvoke.localInvoke(FacadeInvoke.java:74)
at com.kingdee.bos.service.job.wrapper.FunctionWrapper.call(FunctionWrapper.java:207)
at com.kingdee.bos.service.job.wrapper.FunctionWrapper.invoke(FunctionWrapper.java:191)
at com.kingdee.bos.service.job.wrapper.FunctionWrapper.execute(FunctionWrapper.java:120)
at com.kingdee.bos.service.job.core.ThreadWorker.execute(ThreadWorker.java:183)
at com.kingdee.bos.service.job.core.ThreadWorker.run(ThreadWorker.java:112)
at java.lang.Thread.run(Thread.java:745)