我知道这个“对象引用没有设置为对象的实例”出现了很多,但是我看到的所有答案似乎都没有帮助我。
这是我的wsdl:https://app.20-20insights.com/testepos/servicetrx.svc?wsdl
我正试图调用begintrx()函数,但收到一个错误。
任何建议或帮助都是非常感谢的。
谢谢,
马丁。
设置trxidentifier对象
$trxIdentifier = new TrxIdentifier;
$trxIdentifier->ClientId = 9372490002639296;
$trxIdentifier->DeviceId = "123";
$trxIdentifier->OpId = "123";
$trxIdentifier->PosDescription = "123";
$trxIdentifier->PosId = "123";
$trxIdentifier->PosTxnId = "123";
$trxIdentifier->SiteId = "12312";
$trxIdentifier->Token = "3";
$trxIdentifier->TrxdateTime = new DateTime;
正在执行呼叫…
$client = new SoapClient($wsdl, array('trace'=>true,
'exceptions'=>true,
'classmap'=>array('TrxIdentifier'=>"TrxIdentifier", 'MemberInfo'=>"MemberInfo", 'Response'=>"Response", 'MemberDetail'=>"MemberDetail")));
$response = $client->BeginTrx($trxIdentifier );
错误:
Object reference not set to an instance of an object.
a:InternalServiceFaultObject reference not set to an instance of an object.Object reference not set to an instance of an object. at CatalystSpsTrx.Contracts.Service.ServiceTrx.BeginTrx(MemberInfo& mem, TrxIdentifier conTrx) in C:\Projects\2010\CatTrxServices\CatalystSpsTrx.Contracts\Service\ServiceTrx.cs:line 38
at _dynamic_CatalystSpsTrx.Contracts.Service.ServiceTrx.BeginTrx(Object , Object[] )
at Spring.Reflection.Dynamic.SafeMethod.Invoke(Object target, Object[] arguments)
at Spring.Aop.Framework.DynamicMethodInvocation.InvokeJoinpoint()
at Spring.Aop.Framework.Adapter.AfterReturningAdviceInterceptor.Invoke(IMethodInvocation invocation)
at Spring.Aop.Framework.Adapter.ThrowsAdviceInterceptor.Invoke(IMethodInvocation invocation)
at CompositionAopProxy_d0e73463863e4ccd9c2db0a96530bd0d.BeginTrx(MemberInfo& mem, TrxIdentifier conTrx)
at ServiceTrx.BeginTrx(MemberInfo& mem, TrxIdentifier conTrx)
at SyncInvokeBeginTrx(Object , Object[] , Object[] )
at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)System.NullReferenceException
最佳答案
出现该错误是因为输入结构错误。您的wsdl声明必须以这种方式调用它:
$response = $client->BeginTrx(array('trx' => $trxIdentifier));
看看wsdl,这里是service
BeginTrx
的根输入定义:<wsdl:message name="IServiceTrx_BeginTrx_InputMessage">
<wsdl:part name="parameters" element="tns:BeginTrx"/>
</wsdl:message>
如您所见,输入类型为
BeginTrx
。如果遵循wsdl,您会发现它定义为:<xs:element name="BeginTrx">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="trx" nillable="true" type="tns:TrxIdentifier"/>
</xs:sequence>
</xs:complexType>
</xs:element>
在这里可以看到
BeginTrx
的参数名为trx
,值类型为TrxIdentifier
。再次遵循wsdl,
TrxIdentifier
定义为:<xs:complexType name="TrxIdentifier">
<xs:sequence>
<xs:element minOccurs="0" name="ClientId" type="xs:int"/>
<xs:element minOccurs="0" name="DeviceId" nillable="true" type="xs:string"/>
.................
</xs:sequence>
</xs:complexType>