Hello Everyone,

I know it's been awhile, but I wanted everyone to know that we fixed the 
root issue where these hidden characters were getting into our system. Over 
the next couple of months, this should get better as people will not be 
able to put in characters that will create issues for you. Thank you all 
for chiming in! 

Take care,
Nadine, AdWords API Team

On Wednesday, February 7, 2018 at 10:34:45 AM UTC-5, Nadine Sundquist 
(AdWords API Team) wrote:
>
> Hi,
>
> Thank you for getting in contact with me. I was of the understanding that 
> this was more of an occasional issue, and that it didn't happen that often. 
> Now that you're reaching out again, I can see that it is a bit more 
> serious. There currently is no timeline for this. However, since you've 
> raised this as a concern that continues to be a problem, I have raised the 
> issue's priority. May I ask how often this issue happens? Is it something 
> that happens every day, or is it something that happens once a week? The 
> reason I ask is because I ran a query on our logs over the last couple of 
> weeks, and I haven't seen it happening, so I'm wondering if I may be 
> missing it. If you do have a recent example of it, please send me the 
> *requestId* of an example request that recently failed. If you don't have 
> the *requestId*, then an example of the request like you did before will 
> work as well.
>
> Thanks,
> Nadine, AdWords API Team
>
> On Wednesday, February 7, 2018 at 4:04:29 AM UTC-5, w...@urad.com.tw 
> wrote:
>>
>> Hi Nadine Sundquist,
>>
>> I'm curious that is there any update about this issue? We encountered 
>> this issue again and again...
>> Does AdWords API Team have any schedule for solving this issue? (Our 
>> manager has been caring about this issue for a while, and we are asked to 
>> propose some alternative solutions for this...)
>> Thanks for your reading.
>>
>>
>>
>> Nadine Sundquist (AdWords API Team)於 2017年9月27日星期三 UTC+8上午12時11分28秒寫道:
>>>
>>> Hello,
>>>
>>> I found the issue, and it's a tricky one. The good thing is that the 
>>> request you are making to the API is successful, so there is nothing wrong 
>>> with your request. The issue is what is being returned. You are 
>>> successfully getting a response. However, that response has hidden 
>>> characters in it. When Java tries to parse it, it considers those hidden 
>>> characters as invalid XML characters, and that is where you are getting the 
>>> errors. I found one of the reasons, but there may be more than one reason. 
>>> I'll send you the account with the hidden character issue in a separate, 
>>> private email. I just wanted to make sure that people reading the forum in 
>>> the future know to look for hidden characters when this happens.
>>>
>>> Best,
>>> Nadine, AdWords API Team
>>>
>>> On Monday, September 25, 2017 at 11:46:07 PM UTC-4, 郭文豪 wrote:
>>>>
>>>> Request
>>>> ====================================
>>>>
>>>>
>>>> 11:21:04.739 [main] INFO 
>>>> com.google.api.ads.adwords.lib.client.AdWordsServiceClient.soapXmlLogger - 
>>>> SOAP request:
>>>> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
>>>> <soapenv:Envelope xmlns:soapenv="
>>>> http://schemas.xmlsoap.org/soap/envelope/"; xmlns:xsd="
>>>> http://www.w3.org/2001/XMLSchema"; xmlns:xsi="
>>>> http://www.w3.org/2001/XMLSchema-instance";>
>>>>     <soapenv:Header>
>>>>         <ns1:RequestHeader xmlns:ns1="
>>>> https://adwords.google.com/api/adwords/mcm/v201708"; 
>>>> soapenv:mustUnderstand="0">
>>>>             <ns2:clientCustomerId xmlns:ns2="
>>>> https://adwords.google.com/api/adwords/cm/v201708
>>>> ">client-customer-id</ns2:clientCustomerId>
>>>>             <ns3:developerToken xmlns:ns3="
>>>> https://adwords.google.com/api/adwords/cm/v201708
>>>> ">REDACTED</ns3:developerToken>
>>>>             <ns4:userAgent xmlns:ns4="
>>>> https://adwords.google.com/api/adwords/cm/v201708";>unknown 
>>>> (AwApi-Java, AdWords-Axis/3.8.0, Common-Java/3.8.0, Axis/1.4, 
>>>> Java/1.8.0_101, maven, SelectorBuilder)</ns4:userAgent>
>>>>             <ns5:validateOnly xmlns:ns5="
>>>> https://adwords.google.com/api/adwords/cm/v201708
>>>> ">false</ns5:validateOnly>
>>>>             <ns6:partialFailure xmlns:ns6="
>>>> https://adwords.google.com/api/adwords/cm/v201708
>>>> ">false</ns6:partialFailure>
>>>>         </ns1:RequestHeader>
>>>>     </soapenv:Header>
>>>>     <soapenv:Body>
>>>>         <get xmlns="https://adwords.google.com/api/adwords/mcm/v201708
>>>> ">
>>>>             <serviceSelector>
>>>>                 <ns7:fields xmlns:ns7="
>>>> https://adwords.google.com/api/adwords/cm/v201708
>>>> ">CustomerId</ns7:fields>
>>>>                 <ns8:fields xmlns:ns8="
>>>> https://adwords.google.com/api/adwords/cm/v201708";>Name</ns8:fields>
>>>>                 <ns9:paging xmlns:ns9="
>>>> https://adwords.google.com/api/adwords/cm/v201708";>
>>>>                     <ns9:startIndex>1040</ns9:startIndex>
>>>>                     <ns9:numberResults>20</ns9:numberResults>
>>>>                 </ns9:paging>
>>>>             </serviceSelector>
>>>>         </get>
>>>>     </soapenv:Body>
>>>> </soapenv:Envelope>
>>>>
>>>>
>>>> Response
>>>> ====================================
>>>>
>>>> 11:21:04.739 [main] INFO 
>>>> com.google.api.ads.adwords.lib.client.AdWordsServiceClient.soapXmlLogger - 
>>>> SOAP response:
>>>> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
>>>> <soapenv:Envelope xmlns:soapenv="
>>>> http://schemas.xmlsoap.org/soap/envelope/"; xmlns:xsd="
>>>> http://www.w3.org/2001/XMLSchema"; xmlns:xsi="
>>>> http://www.w3.org/2001/XMLSchema-instance";>
>>>>     <soapenv:Body>
>>>>         <soapenv:Fault>
>>>>             <faultcode>soapenv:Server.userException</faultcode>
>>>>             <faultstring>org.xml.sax.SAXParseException; lineNumber: 1; 
>>>> columnNumber: 816; 在文件元素內容中找到無效的 XML 字元 (Unicode: 0x8)。</faultstring>
>>>>             <detail>
>>>>                 <ns1:stackTrace 
>>>> xmlns:ns1="http://xml.apache.org/axis/";>org.xml.sax.SAXParseException; 
>>>> lineNumber: 1; columnNumber: 816; 在文件元素內容中找到無效的 XML 字元 (Unicode: 0x8)。
>>>> at 
>>>> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:400)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1465)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2920)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:118)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:504)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:643)
>>>> at 
>>>> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:327)
>>>> at 
>>>> org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
>>>> at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
>>>> at org.apache.axis.Message.getSOAPEnvelope(Message.java:435)
>>>> at 
>>>> org.apache.axis.transport.http.HTTPSender.readFromSocket(HTTPSender.java:796)
>>>> at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:144)
>>>> at 
>>>> org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
>>>> at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
>>>> at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
>>>> at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
>>>> at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
>>>> at org.apache.axis.client.Call.invoke(Call.java:2767)
>>>> at org.apache.axis.client.Call.invoke(Call.java:2443)
>>>> at org.apache.axis.client.Call.invoke(Call.java:2366)
>>>> at org.apache.axis.client.Call.invoke(Call.java:1812)
>>>> at 
>>>> com.google.api.ads.adwords.axis.v201708.mcm.ManagedCustomerServiceSoapBindingStub.get(ManagedCustomerServiceSoapBindingStub.java:821)
>>>> at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source)
>>>> at 
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>> at java.lang.reflect.Method.invoke(Method.java:498)
>>>> at 
>>>> com.google.api.ads.common.lib.soap.SoapClientHandler.invoke(SoapClientHandler.java:100)
>>>> at 
>>>> com.google.api.ads.common.lib.soap.axis.AxisHandler.invokeSoapCall(AxisHandler.java:234)
>>>> at 
>>>> com.google.api.ads.common.lib.soap.SoapServiceClient.callSoapClient(SoapServiceClient.java:63)
>>>> at 
>>>> com.google.api.ads.common.lib.soap.SoapServiceClient.invoke(SoapServiceClient.java:93)
>>>> at com.sun.proxy.$Proxy18.get(Unknown Source)
>>>> at tw.com.urad.web.security.Test.runExample(Test.java:57)
>>>> at tw.com.urad.web.security.Test.main(Test.java:36)
>>>> </ns1:stackTrace>
>>>>                 <ns2:hostname xmlns:ns2="http://xml.apache.org/axis/
>>>> ">local</ns2:hostname>
>>>>             </detail>
>>>>         </soapenv:Fault>
>>>>     </soapenv:Body>
>>>> </soapenv:Envelope>
>>>>
>>>

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