EOS Platform 6.2 调用外部提供的webservice，运行一段时间后，报如下错误，此时所有的webservice 调用接口均失败了。如果重启整个应用，接口又可以重新调用了。
Caused by: ErrCode: two_field_value_err
Message: 接口调用发生异常，异常信息为：com.primeton.saaj.api.soap.SOAPException
......
at com.primeton.engine.core.impl.process.BLProxy.invoke(BLProxy.java:364)
at com.primeton.engine.component.impl.OperationAccessor.invoke(OperationAccessor.java:237)
at com.primeton.engine.component.impl.OperationAccessor.invoke(OperationAccessor.java:213)
at com.primeton.ext.engine.component.Operation.invoke(Operation.java:185)
at com.primeton.engine.component.impl.LogicCompoment.invoke(LogicCompoment.java:287)
at com.primeton.engine.component.impl.LogicCompoment.invoke(LogicCompoment.java:274)
......
... 28 more
Caused by: com.primeton.saaj.api.soap.SOAPException
at com.primeton.axis2.saaj.SOAPConnectionImpl.handleSOAPMessage(SOAPConnectionImpl.java:243)
at com.primeton.axis2.saaj.SOAPConnectionImpl.call(SOAPConnectionImpl.java:152)
at com.primeton.infra.wsclient.impl.WebServiceCaller.call(WebServiceCaller.java:256)
at com.primeton.infra.wsclient.impl.CallerImpl.call(CallerImpl.java:46)
... 44 more
Caused by: java.lang.NullPointerException
打了3RD_AXIS2_KERNEL_1.3_20171230_C1补丁后，没再出现上述问题
所需补丁，请联系普元售后(cservice@primeton.com)申请