java.io.EOFException：第1行第1列的输入结束

问题描述 投票：3回答：2

我的Retrofit应该会收到一个书签列表，并且在我使用WAMP服务器时一切正常。当我将服务器更改为外部服务器时（没有其他更改，只是服务器的IP地址并检索了其他所有内容），我遇到了一个错误：

 java.io.EOFException: End of input at line 1 column 1
                   at com.google.gson.stream.JsonReader.nextNonWhitespace(JsonReader.java:1407)
                   at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:553)
                   at com.google.gson.stream.JsonReader.peek(JsonReader.java:429)
                   at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:74)
                   at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:61)
                   at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:37)
                   at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:25)
                   at retrofit2.ServiceMethod.toResponse(ServiceMethod.java:116)
                   at retrofit2.OkHttpCall.parseResponse(OkHttpCall.java:211)
                   at retrofit2.OkHttpCall$1.onResponse(OkHttpCall.java:106)
                   at okhttp3.RealCall$AsyncCall.execute(RealCall.java:135)
                   at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)
                   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
                   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
                   at java.lang.Thread.run(Thread.java:818)

我的改装代码：

public void init() {
        OkHttpClient.Builder okHttpClient = new OkHttpClient.Builder();

        HttpLoggingInterceptor debugger =
                new HttpLoggingInterceptor()
                        .setLevel(HttpLoggingInterceptor.Level.BODY);
        okHttpClient
                .addInterceptor(debugger);

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(Constants.BASE_URL)
                .addConverterFactory(GsonConverterFactory.create())
                .client(okHttpClient.build())
                .build();

        RequestInterface requestInterface = retrofit.create(RequestInterface.class);

        String email = pref.getString(Constants.EMAIL, "");
        System.out.println(email);
        String id_group = pref.getString(Constants.ID_GROUP, "");
        System.out.println(id_group);
        String nazwa = pref.getString(Constants.NAZWA, "");

        Integer id_int_group = Integer.parseInt(id_group);
        Bookmark bookmark = new Bookmark(email, id_int_group, nazwa);

        ServerRequest request2 = new ServerRequest();
        request2.setOperation(Constants.GET_MY_GROUPS);
        request2.setBookmark(bookmark);

        Call<List<Bookmark>> response2 = requestInterface.operation2(request2);

        response2.enqueue(new Callback<List<Bookmark>>() {

            @Override
            public void onResponse(Call<List<Bookmark>> call, retrofit2.Response<List<Bookmark>> response2) {
                listOfBookmarks = response2.body();
                bookmarkToString();
                simpleAdapter.notifyDataSetChanged(); // refresh listivew
            }

            @Override
            public void onFailure(Call<List<Bookmark>> call, Throwable t) {

                Log.d(Constants.TAG, "Nie zaladowano!", t);

            }
        });
    }

EDIT：//PHP代码：

<?php

class Bookmark {

    private $host = 'localhost';
    private $user = 'nwbrn_root';
    private $db = 'nwbrn_app';
    private $pass = 'zxs@1208NMLK';
    private $conn;

public function __construct() {

   $this -> conn = new PDO("mysql:host=".$this -> host.";dbname=".$this -> db, $this -> user, $this -> pass);

}


 public function checkBookmarkExist($email, $id_group){

    try {
     $query = $this->conn->prepare("SELECT COUNT(*) from bookmarks WHERE email =:email AND id_group =:id_group");

//     $query = $this -> conn -> prepare($sql);
     $query->bindParam(':email', $email, PDO::PARAM_STR);
     $query->bindParam(':id_group', $id_group, PDO::PARAM_INT);
     $query->execute(array('email' => $email, 'id_group' => $id_group));

     $row_count = $query -> fetchColumn();
    if ( $row_count>0 ) {
        $response["result"] = "success";
        $response["message"] = "Your favourite!";
        return json_encode($response);
    }
    else {
        $response["result"] = "failure";
        $response["message"] = "Not in your favourite!";
        return json_encode($response);
    }
} catch (PDOException $e) {
    die ($e->getMessage());
}   
}

public function fullStarSelected($email, $id_group, $nazwa){

    try {

     $query = $this->conn->prepare("DELETE from bookmarks WHERE email =:email AND id_group =:id_group AND nazwa =:nazwa");
//        mysqli_set_charset($this->conn, "utf8");


        $query->bindParam(':email', $email, PDO::PARAM_STR);
     $query->bindParam(':id_group', $id_group, PDO::PARAM_INT);
     $query->bindParam(':nazwa', $nazwa, PDO::PARAM_STR);
        $query->execute();

    if ( $query ->rowCount() > 0 ) {
        $response["result"] = "failure";
        $response["message"] = "Row not deleted!";
        return json_encode($response);
    }
    else {
        $response["result"] = "success";
        $response["message"] = "Row deleted successfully!";
        return json_encode($response);
    }
} catch (PDOException $e) {
    die ($e->getMessage());
}   
}

public function blankStarSelected($email, $id_group, $nazwa){

    try {
     $query = $this->conn->prepare("INSERT INTO bookmarks (email, id_group, nazwa) VALUES (:email, :id_group, :nazwa)");
//        mysqli_set_charset($this->conn, "utf8");

        $query->bindParam(':email', $email, PDO::PARAM_STR);
     $query->bindParam(':id_group', $id_group, PDO::PARAM_INT);
     $query->bindParam(':nazwa', $nazwa, PDO::PARAM_STR);
     $query->execute();

        if (!$query) {
            printf("Error: %s\n", mysqli_error($this->conn));
            exit();
        }

     $result = array();

//        $query1 = $this->conn->prepare("SELECT COUNT(*) from bookmarks WHERE email =:email AND id_group =:id_group LIMIT 1");

        if ( $query->rowCount() > 0 ) {
            $response["result"] = "success";
            $response["message"] = "Row added successfully!";
            return json_encode($response);
        }
        else {
            $response["result"] = "failure";
            $response["message"] = "Row not added!";
            return json_encode($response);
        }


} catch (PDOException $e) {
    die ($e->getMessage());
}   
}

    public function getMyGroups($email, $id_group){

        try {

           $con = mysqli_connect($this->host,$this->user,$this->pass,$this->db);

            $sql = "SELECT * FROM bookmarks WHERE email = '$email'";
            $res = mysqli_query($con,$sql);

            $result = array();

            if (!$res) {
                printf("Error: %s\n", mysqli_error($con));
                exit();
            }

            while($row = mysqli_fetch_array($res)){
                $temp = array();
                $temp['id_group']=$row['id_group'];
                $temp['email']=$row['email'];
                $temp['nazwa']=$row['nazwa'];

                array_push($result,$temp);
            }

            echo json_encode($result);

        } catch (PDOException $e) {
            die ($e->getMessage());
        }

    }
}
android gson retrofit2
2个回答
2
投票

看到时

java.io.EOFException：第1行第1列的输入结束

它表示解析某些内容时出现问题。希望可以解析一些文本，但文件结尾（EOF）。

然后您说：

当我将服务器更改为外部服务器时（没有其他更改）

如果这以前可行，那么您的问题绝对不会在代码上，而是在您要检索的数据上。您的新服务器正在拒绝您的请求或返回空白数据。尝试手动执行相同的请求（通过postman或其他一些api客户端），然后查看响应是什么。它很可能会告诉您错误在哪里。

0
投票

我有此错误，因为答案的正文传递的是空文本“”，我通过将其传递为null来解决它，因为正在使用某些依赖于正文值的方法。当值为空时，不进行必要的检查，而是使用主体的空值，以空为条件来限制流程。

在声明中，我继续默认定义一个空值fun response(httpCode: Int, body: String? = null): Response<T>

在调用中，我从Request#response(200, "")转到了Request#response(200)

根据http代码协议，只有204可以允许主体为空，尽管这可能会根据一个人的需求而有所不同。

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