与org.json.JSONException相关的错误：字符0处的输入结束

Question

当我运行我的android应用程序时出现错误。在

字符0的输入的结束：有时它可以顺利运行，但有时它表现出如下面的错误：

java.net.SocketException: Connection timed out 
at org.apache.harmony.luni.platform.OSNetworkSystem.read(Native Method) 
at dalvik.system.BlockGuard$WrappedNetworkSystem.read(BlockGuard.java:273) 
at org.apache.harmony.luni.net.PlainSocketImpl.read(PlainSocketImpl.java:458) 
at org.apache.harmony.luni.net.SocketInputStream.read(SocketInputStream.java:85) 
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103) 
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:191) 
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:82) 
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:174) 
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:179) 
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:235) 
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:259) 
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:279) 
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:121) 
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:421) 
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555) 
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465) 

误差变换结果显示java.lang.NullPointerException 错误解析数据org.json.JSONException有人可以告诉我这个问题的主要根源是什么？ 谢谢。

Answer 1

您正试图解析一个空的对象。

所以，如果你想摆脱这个错误，你应该检查以确保你试图序列化的对象是有效的。