再次遇到OutOfMemoryError(新的原因造成)

移动学习4.0,在作业、资源、活动页面快速来回切换时,容易OutOfMemoryError,查看报错信息

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)

定位到具体方法:

<span style="font-size:12px;">JSONArray resultArray = JSONArray.parseArray(jsonObj.getString("responseList"));</span>

又是getString内存崩了,WTF

查了一下获取的json串,足足8.7MB,不tm崩都怪了。

上网查了一下,当数据量过大时,解析json都会崩,没什么特别好解决办法。

解决方案:

1、瘦身json,和服务端沟通,把没用数据屏蔽掉,不发给客户端。

2、分页请求,每次请求10条,每上拉刷新一次加载10条数据

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转载自blog.csdn.net/jbb0403/article/details/51907682