Java heap space打开图片时可能图片太大加载时间比较长报错

flydream

查看图片页面闪一下就跳回到登录页面了，控制台报错如下：
五月 15, 2018 10:44:53 上午 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet WeX5_Baas_Servlet threw exception
java.lang.OutOfMemoryError: Java heap space
        at com.alibaba.fastjson.serializer.SerializeWriter.expandCapacity(SerializeWriter.java:200)
        at com.alibaba.fastjson.serializer.SerializeWriter.writeStringWithDoubleQuote(SerializeWriter.java:606)
        at com.alibaba.fastjson.serializer.SerializeWriter.writeFieldName(SerializeWriter.java:1332)
        at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:144)
        at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:164)
        at com.alibaba.fastjson.serializer.ListSerializer.write(ListSerializer.java:126)
        at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:169)
        at com.alibaba.fastjson.serializer.JSONSerializer.write(JSONSerializer.java:367)
        at com.alibaba.fastjson.JSON.toJSONString(JSON.java:556)
        at com.justep.baas.data.DataUtils.writeJsonToResponse(Unknown Source)
        at com.justep.baas.servlet.BaasServlet.execService(Unknown Source)
        at com.justep.baas.servlet.BaasServlet.service(Unknown Source)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:745)

页面报错如图：

liangyongfei

报错是内存溢出，是否你自己写代码 对图片进行IO 流操作的？？
代码怎么写的，定义的存储空间太小吗？是不是

你是怎么打开图片的。能说下实现方法吗？？
500错误肯定就是后台服务器错误导致

flydream

liangyongfei 发表于 2018-5-29 14:08
报错是内存溢出，是否你自己写代码 对图片进行IO 流操作的？？
代码怎么写的，定义的存储空间太小吗？是不 ...

结贴