11-10 15:32:46.636: ERROR/AndroidRuntime(384):     at com.example.display.call2(display.java:200)
11-10 15:48:34.136: WARN/System.err(411): java.lang.RuntimeException: Cannot serialize: []
11-10 15:48:34.136: WARN/System.err(411):     at org.ksoap2.serialization.SoapSerializationEnvelope.writeElement(SoapSerializationEnvelope.java:629)
11-10 15:48:34.136: WARN/System.err(411):     at org.ksoap2.serialization.SoapSerializationEnvelope.writeProperty(SoapSerializationEnvelope.java:613)
11-10 15:48:34.146: WARN/System.err(411):     at org.ksoap2.serialization.SoapSerializationEnvelope.writeObjectBody(SoapSerializationEnvelope.java:582)
11-10 15:48:34.146: WARN/System.err(411):     at org.ksoap2.serialization.SoapSerializationEnvelope.writeObjectBody(SoapSerializationEnvelope.java:566)
11-10 15:48:34.146: WARN/System.err(411):     at org.ksoap2.serialization.SoapSerializationEnvelope.writeElement(SoapSerializationEnvelope.java:623)
11-10 15:48:34.146: WARN/System.err(411):     at org.ksoap2.serialization.SoapSerializationEnvelope.writeBody(SoapSerializationEnvelope.java:547)
11-10 15:48:34.146: WARN/System.err(411):     at org.ksoap2.SoapEnvelope.write(SoapEnvelope.java:192)
11-10 15:48:34.146: WARN/System.err(411):     at org.ksoap2.transport.Transport.createRequestData(Transport.java:74)
11-10 15:48:34.146: WARN/System.err(411):     at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:58)
11-10 15:48:34.146: WARN/System.err(411):     at com.example.display.call2(display.java:178)
11-10 15:48:34.146: WARN/System.err(411):     at com.example.display$3.onClick(display.java:145)
11-10 15:48:34.146: WARN/System.err(411):     at android.view.View.performClick(View.java:2408)
11-10 15:48:34.156: WARN/System.err(411):     at android.view.View$PerformClick.run(View.java:8816)
11-10 15:48:34.156: WARN/System.err(411):     at android.os.Handler.handleCallback(Handler.java:587)
11-10 15:48:34.156: WARN/System.err(411):     at android.os.Handler.dispatchMessage(Handler.java:92)
11-10 15:48:34.156: WARN/System.err(411):     at android.os.Looper.loop(Looper.java:123)
11-10 15:48:34.156: WARN/System.err(411):     at android.app.ActivityThread.main(ActivityThread.java:4627)
11-10 15:48:34.156: WARN/System.err(411):     at java.lang.reflect.Method.invokeNative(Native Method)
11-10 15:48:34.166: WARN/System.err(411):     at java.lang.reflect.Method.invoke(Method.java:521)
11-10 15:48:34.166: WARN/System.err(411):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
11-10 15:48:34.166: WARN/System.err(411):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
11-10 15:48:34.166: WARN/System.err(411):     at dalvik.system.NativeStart.main(Native Method)