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我用 ksoap2 调用 1 个 web 服务：

                    SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
            SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
                    SoapEnvelope.VER11);                
            envelope.setOutputSoapObject(request);
            HttpTransportSE androidhttpTranport = new HttpTransportSE(URL,
                    ContantSystem.TimeOut);

            androidhttpTranport.call(SOAP_ACTIONS, envelope);

            Object responseBody = null;
            try {
                responseBody = envelope.getResponse();
            } catch (SoapFault e2) {

            }


            try {
                JSONObject json = new JSONObject(responseBody.toString());

            } catch (JSONException e1) {

            }

如果 webservice 的结果是 json（这个 json 有 6401728 个字符 'string(6401728)'）。当我调用这个 web 服务时，我的应用程序死掉了。但是如果 webservice 的结果是 json ' string(2101728)。我的应用程序运行正常。所以。我的代码中的错误在哪里？是什么导致了错误，是json的限制，webservice还是在哪里？如何解决这个问题？你能帮助我吗？谢谢。

例外：

11-07 19:54:41.283: E/AndroidRuntime(10620): FATAL EXCEPTION: Thread-1851
11-07 19:54:41.283: E/AndroidRuntime(10620): java.lang.OutOfMemoryError
11-07 19:54:41.283: E/AndroidRuntime(10620):    at java.lang.String.<init>(String.java:432)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at java.lang.AbstractStringBuilder.toString(AbstractStringBuilder.java:642)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at java.lang.StringBuilder.toString(StringBuilder.java:663)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.kxml2.io.KXmlParser.readValue(KXmlParser.java:1419)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.kxml2.io.KXmlParser.next(KXmlParser.java:390)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.kxml2.io.KXmlParser.next(KXmlParser.java:310)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.kxml2.io.KXmlParser.nextText(KXmlParser.java:2056)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.serialization.DM.readInstance(DM.java:34)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.serialization.SoapSerializationEnvelope.readInstance(SoapSerializationEnvelope.java:462)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.serialization.SoapSerializationEnvelope.read(SoapSerializationEnvelope.java:420)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.serialization.SoapSerializationEnvelope.readUnknown(SoapSerializationEnvelope.java:289)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.serialization.SoapSerializationEnvelope.read(SoapSerializationEnvelope.java:422)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.serialization.SoapSerializationEnvelope.parseBody(SoapSerializationEnvelope.java:149)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.SoapEnvelope.parse(SoapEnvelope.java:137)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.transport.Transport.parseResponse(Transport.java:100)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:195)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:95)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at jp.osaka.APPLIActivity.getMarterDB(APPLIActivity.java:408)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at jp.osaka.APPLIActivity.access$0(APPLIActivity.java:390)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at jp.osaka.APPLIActivity$myrunable.run(APPLIActivity.java:369)
11-07 19:54:41.283: E/AndroidRuntime(10620):    at java.lang.Thread.run(Thread.java:856)
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