java.net.SocketTimeoutException: Read timed out的解決辦法
阿新 • • 發佈:2018-12-03
產生問題的環境:ssm+mysql+gridFS+tomcat
問題程式碼段:
public void write(OutputStream os, InputStream is) { try (BufferedOutputStream bos = new BufferedOutputStream(os); BufferedInputStream bis = new BufferedInputStream(is)) { int count; byte[] buffer = new byte[1024]; while ((count = bis.read(buffer)) > 0) { bos.write(buffer, 0, count); } os.flush(); } catch (IOException e) { e.printStackTrace(); } }
其中輸出流是使用的response.getOutPutStream();
問題原因:由於mongodb與專案部署在不同伺服器,讀取大檔案耗時較長,超過了tomcat限制的一條連線的生存時間,導致tomcat判定連線超時
解決方案:在tomcat中修改server.xml,配置如下:
<Connector executor="tomcatThreadPool" port="8080" protocol="HTTP/1.1" connectionTimeout="20000" disableUploadTimeout="false" redirectPort="8443" />
增加 disableUploadTimeout="false",取消讀寫連線超時設定
或者
<Connector executor="tomcatThreadPool"
port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
keepAliveTimeout="100000"
redirectPort="8443" />
增加keepAliveTimeout="100000",增大連線生存時間