再次遇到OutOfMemoryError(新的原因造成)
阿新 • • 發佈:2019-01-31
移動學習4.0,在作業、資源、活動頁面快速來回切換時,容易OutOfMemoryError,檢視報錯資訊
java.lang.OutOfMemoryError at com.alibaba.fastjson.serializer.SerializeWriter.expandCapacity(SerializeWriter.java:209) at com.alibaba.fastjson.serializer.SerializeWriter.writeStringWithDoubleQuote(SerializeWriter.java:697) at com.alibaba.fastjson.serializer.SerializeWriter.writeStringWithDoubleQuote(SerializeWriter.java:620) at com.alibaba.fastjson.serializer.SerializeWriter.writeString(SerializeWriter.java:1481) at com.alibaba.fastjson.serializer.StringCodec.write(StringCodec.java:50) at com.alibaba.fastjson.serializer.StringCodec.write(StringCodec.java:35) at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:183) at com.alibaba.fastjson.serializer.ListSerializer.write(ListSerializer.java:127) at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:183) at com.alibaba.fastjson.serializer.ListSerializer.write(ListSerializer.java:127) at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:188) at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:188) at com.alibaba.fastjson.serializer.JSONSerializer.write(JSONSerializer.java:361) at com.alibaba.fastjson.JSON.toJSONString(JSON.java:594) at com.alibaba.fastjson.JSON.toString(JSON.java:588) at com.alibaba.fastjson.JSONObject.getString(JSONObject.java:272) at com.handsome.C_WebServicesTools.ParseJsonUtils.parseHomeworkJsonList(ParseJsonUtils.java:336) at com.handsome.C_WebServicesTools.LogicHttpRequest$2.run(LogicHttpRequest.java:78) at java.lang.Thread.run(Thread.java:856)
定位到具體方法:
<span style="font-size:12px;">JSONArray resultArray = JSONArray.parseArray(jsonObj.getString("responseList"));</span>
又是getString記憶體崩了,WTF
查了一下獲取的json串,足足8.7MB,不tm崩都怪了。
上網查了一下,當資料量過大時,解析json都會崩,沒什麼特別好解決辦法。
解決方案:
1、瘦身json,和服務端溝通,把沒用資料遮蔽掉,不發給客戶端。
2、分頁請求,每次請求10條,每上拉重新整理一次載入10條資料