由以下原因引起：com.google.gson.TokenMgrError：第 1 行第 1 列的词法错误。遇到： "<" (60)， 之后 ： " "

Question

在我的android应用程序中，我面临一个非常奇怪的错误，无法进入它的根。进行网络调用并解析JSON响应。但是应用程序崩溃了，我收到以下错误:

随机发生，无法重现错误。如果以前遇到过这种情况的人能告诉我什么可能引发这次崩盘，那就太方便了。

com.google.gson.JsonParseException: Failed parsing JSON source: java.io.StringReader@40e13578 to Json
    at com.google.gson.JsonParser.parse(JsonParser.java:57)
    at com.google.gson.Gson.fromJson(Gson.java:443)
    at com.google.gson.Gson.fromJson(Gson.java:396)
    at com.google.gson.Gson.fromJson(Gson.java:372)
    at com.xyz.getStaffFromJson(JsonUtils.java:201)
    at com.xyz.getMyDetails(WebAPI.java:666)
    at com.xyz.OptimisedSyncService.onHandleIntent(OptimisedSyncService.java:147)
    at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:156)
    at android.os.HandlerThread.run(HandlerThread.java:60)
    Caused by: com.google.gson.TokenMgrError: Lexical error at line 1, column 1. Encountered: "<" (60), after : ""
    at com.google.gson.JsonParserJavaccTokenManager.getNextToken(JsonParserJavaccTokenManager.java:1168)
    at com.google.gson.JsonParserJavacc.jj_ntk(JsonParserJavacc.java:635)
    at com.google.gson.JsonParserJavacc.parse(JsonParserJavacc.java:10)
    at com.google.gson.JsonParser.parse(JsonParser.java:54)
    ... 10 more
    com.google.gson.TokenMgrError: Lexical error at line 1, column 1. Encountered: "<" (60), after : ""
    at com.google.gson.JsonParserJavaccTokenManager.getNextToken(JsonParserJavaccTokenManager.java:1168)
    at com.google.gson.JsonParserJavacc.jj_ntk(JsonParserJavacc.java:635)
    at com.google.gson.JsonParserJavacc.parse(JsonParserJavacc.java:10)
    at com.google.gson.JsonParser.parse(JsonParser.java:54)
    at com.google.gson.Gson.fromJson(Gson.java:443)
    at com.google.gson.Gson.fromJson(Gson.java:396)
    at com.google.gson.Gson.fromJson(Gson.java:372)
    at com.xyz.getStaffFromJson(JsonUtils.java:201)
    at com.xyz.getMyDetails(WebrosterAPI.java:666)
    at com.xyz.OptimisedSyncService.onHandleIntent(OptimisedSyncService.java:147)
    at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:156)
    at android.os.HandlerThread.run(HandlerThread.java:60)

样本回答:{" mcode ": " 123 ", " mobilesettings ":{"移动":"07405123154"、"电子邮件":"[e-mail]"、"电话":"0174465599","超时":20,"mail_address":"abc.gmail.com","mail_user":"[e-mail]","mail_password":"密码"、"task_state":0,"force_task_reason":0,"allow_free_task_reason":1、"unsent_sync":10"booking_sync":240年,"default_scan_mode":0,"gps_enabled":1、"gps_poll_interval":5"minimum_gps_accuracy":100.0,"allow_blank_aborted_reason":假的,"allow_free_aborted_reason":真正的},"工作人员":{"json_class":"工作人员","staff_id":1234年,"标题":"、"帧":"抹布"、"mname":"、"sname":"抹布"、"location_id":321年,"寻呼机":"、"移动":"07444456789"、"电子邮件":"[e-mail]"、"网站":"、"强加于人":空,"job_title":"、"uid_ref":1、"dt_stamp":"星期二2014年2月11日13:13:44 + 0000"、"pin_no":"、"wroptions":0,"dt_created":"结婚2013年12月04 16:13:08 + 0000"、"user_created":1、"pin_start":"1234"、"pin_end":"1234"、"payroll_report":"Payroll.xml"、"external_payroll_ref":"、"payroll_export":"Payroll.sql"、"供应商":0,is_saved: 1}}

Answer 1

我发现，虽然期待json响应，我收到一个html响应从捕获门户wifi如BT热点或维珍媒体热点。因此解析器失败并导致错误。