關於 java keep alive ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. Jmeter的客戶端實現與Keep-Alive | IT人

沒有時間的朋友直接讀結論即可。 0. 結論. 當客戶端實現為Java，使用Keep-alive時. Vuser越大，保持的時間越短，且tcp連線會斷不完全，造成雙倍甚至3 ...

#12. What is HTTP Keep Alive | Benefits of Connection ... - Imperva

The HTTP keep-alive header maintains a connection between a client and your server, reducing the time needed to serve files. A persistent connection also ...

#13. java tcp keepalive_两种由java http长连接(keep-alive)导致的问题

两种由http长连接(keep-alive)导致的问题，当然这两种问题都有多种原因导致，这里只分析针对keep-alive相关而产生的异常。1 SocketException: ...

#14. HttpClient Connection Management | Baeldung

Quoting the HttpClient 4.3.3. reference: “If the Keep-Alive header is ... is still allocated at o.a.h.u.Asserts.check(Asserts.java:34) at ...

#15. jodd.http.HttpRequest.keepAlive java code examples | Tabnine

Continues using the same keep-alive connection. Don't use any variant of open() when continuing the communication! First it checks if "Connection" header exist ...

#16. java http长链接(keep-alive)导致的问题 - 码农家园

两种由http长链接(keep-alive)导致的问题，当然这两种问题都有多种原因导致，这里只分析针对keep-alive相关而产生的异常。1 SocketException: ...

#17. 細說Http中的Keep-Alive和Java Http中的Keep-Alive機制

什麼是Keep-Alive 這個詞看着有點熟，不少地方好像都見過。html TCP的KeepAlive，Http的KeepAlive，如今就連一些前端框架都有相似KeepAlive的東西 ...

#18. Set HTTP Keep Alive Timeout in Java HTTP Client

Setting method. The HTTP Client Keep Alive Timeout can be set with the java property jdk.httpclient.keepalive.timeout . -Djdk.

#19. java - JVisualVM 线程调查器中的Keep-Alive-Timer 是什么意思？

这些Keep-Alive-Timer 线程在左侧有白色标签，下面没有描述白色标签的含义。我想知道这些Keep-Alive-Timer 线程是如何创建的以及为什么。

#20. java.net.Socket TCP keep-alive usage - Code Redirect

How to use java.net. ... When the keepalive option is set for a TCP socket and no data has been exchanged across the socket in either direction for 2 hours ...

#21. No keep-alive acks in the process of receiving data #712

RSocketRequester.terminate(RSocketRequester.java:115) at io.rsocket.keepalive.KeepAliveSupport.tryTimeout(KeepAliveSupport.java:110) at ...

#22. Jmeter的客戶端實現與Keep-Alive

之前使用的是HC4+keep-alive 無法一直保持，那麼Java + keep-alive呢？抱著這個想法，我測試了下。

#23. 随手记之TCP Keepalive笔记- 聂永的博客

TCP Keepalive必须在没有任何数据（包括ACK包）接收之后的周期内才会被发送，允许配置，默认值不能够 ... Java程序只能做到设置SO_KEEPALIVE选项， ...

#24. 细说Http 中的Keep-Alive 和Java Http 中的Keep-Alive 机制

什么是Keep-Alive 这个词看着有点熟，不少地方好像都见过。html TCP 的KeepAlive，Http 的KeepAlive，如今就连一些前端框架都有相似KeepAlive 的东西.

#25. TCP keep alive and HTTP keep alive - Java知识

1、 A long connection · 2、http keep-alive · 3、tcp keepalive · 4、nginx keepalive And keep-alive · 5、nginx Network fast fault tolerance

#26. Http——Keep-Alive机制- 曹伟雄 - 博客园

前言HTTP keep-alive 也称为HTTP 长连接。 ... 对于客户端来说，不论是浏览器，还是手机App，或者我们直接在Java代码中使用HttpUrlConnection，只是 ...

#27. Jmeter的客戶端實作與Keep-Alive - 有解無憂

當客戶端實作為Java，使用Keep-alive時. Vuser越大，保持的時間越短，且tcp連接會斷不完全，造成雙倍甚至3倍Vuser連接的情況，.

#28. Disable Keep Alive for Java Client in IBM HTTP Server to ...

Client POST Requests from User-Agent: Java1.6.0.02 client may intermittently fail due to a previous idle keep alive connection being closed ...

#29. Tuning keep-alive connections with Java Servlets - Javamex

As mentioned in our introduction, keep-alive connections is the name for HTTP connections kept open between requests. In principle, keeping connections open ...

#30. 网络编程中，关于Keep-Alive与Idle你了解多少？ - 云+社区

三是不同厂商的路由器可能对keepalive的配置默认是关闭的，这个我不是很了解。 那HTTP协议中的Connection:keep-alive又跟TCP协议的KeepAlive有什么联系呢 ...

#31. tcp与http keep-alive机制的区别_netty教程 - 田守枝Java技术博客

keepalive 已经不是什么新鲜的概念了，HTTP协议中有keep-alive的概念，TCP协议中也有keep-alive的概念。二者的作用是不同的。本文将详细的介绍http中 ...

#32. Apache Tomcat 8 Configuration Reference (8.5.72)

The configuration for both Java connectors is identical, for http and ... Also, with a lot of non keep alive connections, you might want to ...

#33. Tomcat, HTTP Keep-Alive and Java's HttpsUrlConnection

Furthermore Java does honor this timeout.,What I'm trying to figure out is how can I force Tomcat to send the Keep-Alive header.

#34. Connect to MongoDB - GitHub Pages

See the 'does TCP keep-alive time affect MongoDB deployments?' documentation for more information. ... MongoClientOptions; import java.util.Arrays; ...

#35. JDK对Http协议的Keep-Alive的支持，以JDK8为例 - 代码先锋网

1、HttpURLConnection（java.net.HttpURLConnection）使用长连接. ​ JDK自带的HttpURLConnection，默认启用keepAlive，支持HTTP / 1.1和HTTP / 1.0持久连接， 使用后 ...

#36. HttpsUrlConnection and keep-alive | Newbedev

SSL connection establishment is really expensive either for service calls or when getting many resources from a browser. Java Http(s)UrlConnection handles HTTP( ...

#37. Keep-Alive - HTTP - MDN Web Docs

The Keep-Alive general header allows the sender to hint about how the connection may be used to set a timeout and a maximum amount of ...

#38. MqttConnectOptions - Eclipse

public class MqttConnectOptions extends java.lang.Object ... The default keep alive interval in seconds if one is not specified.

#39. Work around a keep-alive bug in clients earlier than 3.3.4

You can avoid this problem by upgrading to Gremlin Java Client version 3.3.4 or above. A workaround is to disable the keep-alive from the client by setting ...

#40. http client 实现keep-alive 源码探究 - 知乎专栏

今天咱们一起来通过java.net.HttpURLConnection源码看看客户端是如何维护这些http连接的。 测试代码. package net.mengkang.demo; import java.io.*; ...

#41. how to Keep Alive outer java application's session when inner ...

Hi, To maintain session timeouts, we would like to keep alive the outer java application's session whenever PRPC application which is ...

#42. How to keep HttpClient Connection Keep-Alive? - java - OStack

10:07:29.746: D/org.apache.http.headers(1529): >> Connection: Keep-Alive. You are requesting keepalive.

#43. 1 Keep-alive in HTTP - Programmer Sought

Explain the difference between the Keep-Alive mechanism in HTTP and TCP, ... in the Java code, it is only responsible for setting Keep-Alive in the request ...

#44. 关于HTTP 和TCP 的keep-alive - 51CTO博客

如果该值是“keep-alive”，网络连接就是持久的，不会关闭， ... 不幸的是，由于TCP 连接是在操作系统级别管理的，Java 不支持在每个套接字级别上配置 ...

#45. http client 实现keep-alive 源码探究 - 周梦康

今天咱们一起来通过 java.net.HttpURLConnection 源码看看客户端是如何维护这些 http 连接的。 测试代码. package net.mengkang.demo; import java.io.*; ...

#46. How to set TCP keep Alive in java from httpclient

Re: Apache HttpClient TCP Keep-Alive (socket keep-alive), The socket API (java and apache) traditionally does not support to configure the keepalive times, they ...

#47. J2ME + Keep-Alive + Chunking = Out-of-the-box + automagically

NetBeans 6.5 and Java 6u12 – A No-No! ... It is a common misconception, that in order to use Keep-Alive, the HttpConnection object should be ...

#48. How to enable SO_KEEPALIVE with the Java HighLevel Rest ...

We are hosting an java microservice application that is using ... in implementing TCP KEEPALIVE with the elastic java client (REST).

#49. Support Keep alive probes in Java 11+ - mongoDB jira

import java.net.Socket;. import jdk.net.ExtendedSocketOptions;. Socket socket = new Socket();. socket.setOption(ExtendedSocketOptions.

#50. HttpURLConnection长连接详解 - 码农的博客

JDK自带的HttpURLConnection，默认启用keepAlive，支持HTTP / 1.1和HTTP ... KeepAliveCache.java中有一个线程，每5秒执行一次，检查缓存的连接的空闲 ...

#51. Apache HttpClient TCP Keep-Alive (socket keep-alive) - py4u

I'm trying to use TCP Keep-Alive in Apache DefaultHttpClient to make connection be ... As I know, it's not possible to set keepalive timeouts in Java code.

#52. How to use setKeepAlive() - CodeRanch

So, I try to work with the "KeepAlive()-Method" from the java.net-library. But I am not able to find any examples with keepAlive() or any ...

#53. 【Java核心面试宝典】Day17、详解“Keep-Alive ... - 华为云社区

Hello，你好呀，我是灰小猿！一个超会写bug的程序猿！用坚持缔造技术、用指尖敲动未来！和很多小伙伴们一样，我也是一名奔波在Java道路上的“创造者”。

#54. Tomcat, HTTP Keep-Alive and Java's HttpsUrlConnection

This link explains that Java honors the Keep-Alive timeout if it is sent by the server, otherwise it uses 5 seconds (direct connections) or 10 seconds (proxy ...

#55. TCP和HTTP中的KeepAlive机制总结 - InfoQ 写作平台

Java Docs里对 SO_KEEPALIVE 的工作机制做了比较详细的说明，具体来说就是，如果某连接开启了TCP KeepAlive，当连接空闲了两个小时（依赖操作系统的 ...

#56. HTTP keep-alive的实验_起一个好听的名字的博客-程序员宝宝

在Java里实现了一段模拟请求的代码：1. ... 而等到10秒之后(代码40行开始)的HTTP请求，又会重新建立连接，证明keep-alive已经过了超时时间。然后在头中加入Keep-Alive: ...

#57. How To Change Keep-Alive Timeout Value In Springboot

java :257 [attoparser2.0.4. KeepAlive On # # MaxKeepAliveRequests: The maximum number of requests to allow # during a persistent. Discarded memory does not ...

#58. HTTP headers | Keep-Alive - GeeksforGeeks

The Keep-Alive header is a general-type header. This header is used to hint at how the connection may be used to set a timeout and a maximum ...

#59. TCP keepalive 和http keep-alive丶Java教程网 - 梁钟霖个人博客

在使用TCP长连接（复用已建立TCP连接）的场景下，需要对TCP连接进行保活，避免被网关干掉连接。 在应用层，可以通过定时发送心跳包的方式实现。而Linux已 ...

#60. Keep alive connections to OpenLDAP | Crowd - JIRA

Crowd should also have a keep alive option to prevent the connection from being terminated. ... getSearchReply(LdapClient.java:611) at com.sun.jndi.ldap.

#61. Timeout Options for ICM - Confluence Mobile - Community Wiki

Timeout for opening connection: icm/conn_timeout; Keepalive timeout for the ... AS ABAP or AS Java), the ICM waits for the server response until the timeout ...

#62. Java Keep-Alive Problem - Post Example - Tiny Vital Systems

This page demonstrates my problem with using Java's HTTP implementation for a keep-alive application. It shows that the Java library issues a disconnect after 5 ...

#63. [JDK-4701299] Keep-Alive-Timer thread management in ...

Java HotSpot(TM) Client VM (build 1.4.0-b92, mixed mode) ... cache with no Keep-Alive-Thread and no chance of ever creating a new one.

#64. Don't Give Up Yet… Keep-Alive! - DZone Performance

How Does HTTP Work? · DNS lookup is made (not in picture) · a new TCP connection is established, · the TLS handshake is performed, · request headers ...

#65. Two problems caused by java http long connection (keep-alive)

Two problems caused by java http long connection (keep-alive) ... SocketException: Connection reset by peer: socket write error at java.net.

#66. HTTP持久連接- 維基百科，自由的百科全書

HTTP持久連接（英語：HTTP persistent connection，也稱作HTTP keep-alive或HTTP connection reuse）是使用同一個TCP連接來傳送和接收多個HTTP請求/應答，而不是為每 ...

#67. Using Keep alive with a java Client

the gSoap service supports keep-alive, since I have checked it with a C++ client. But Java client closes the connection, although I have made changes in the ...

#68. Usage of HTTP keep-alive for outgoing HTTP(S) connection ...

Has this ever been solved, currently having the same issue on 11.0.2 using Oracle java 1.7.0_72? sarris.overbosch@everett.

#69. How to tune keep-alive connection pool on JAX-RS client

"default task-6" #174 prio=5 os_prio=0 tid=0x0000564f49ef0800 nid=0xd0c waiting on condition [0x00007f9c68a0a000] java.lang.Thread.

#70. Tomcat，HTTP Keep-Alive和Java的HttpsUrlConnection - 码农 ...

我有两个Tomcat服务器，需要维护持久连接以减少SSL握手。一个服务器（代理）位于DMZ中，而另一个服务器则安全地位于另一个防火墙后面。

#71. [JENKINS-42513] Increase default keep-alive timeouts

java.io.IOException: java.util.concurrent.TimeoutException: Idle timeout expired: 5000/5000 ms at org.eclipse.jetty.util.

#72. Fa a TCP la connessione socket ha un "keep alive"? - Italiano ...

La Java Socket API espone "keep-alive" alle applicazioni tramite i metodi setKeepAlive e getKeepAlive . EDIT: SO_KEEPALIVE è implementato negli stack del ...

#73. Can I disable the Smarts keep alive protocol? (447832)

A Keep Alive is a method by which EMC Corporation tests ... com.smarts.disable_keepalives Java property for the WebConsole and dashboard.

#74. HttpURLConnection - disable keep alive - Tikal Knowledge

HttpURLConnection - disable keep alive. Sep 13, 2010. I thought to share with you a simple http connection sense and a solution to a very annoying problem ...

#75. HTTP keep-alive 二三事 - 三点水

HTTP keep-alive 也称为HTTP 长连接。它通过重用一个TCP 连接来发送/接收多个HTTP请求，来减少创建/关闭多个TCP 连接的开销。keep-alive 用不用？

#76. Java HTTP ClientでHTTP Keep Alive Timeoutを設定する - Qiita

設定方法. HTTP ClientのKeep Alive Timeoutは、javaプロパティの jdk.httpclient.keepalive.timeout で設定可能です。 - ...

#77. Specifying the Keep-Alive Mode for the Broker Connection

For more information about the Broker keep-alive feature and about shared-state clients, see the webMethods Broker Java Client API Reference.

#78. TCP KeepAlive - NovaOrdis Knowledge Base

TCP Keep-Alive is a mechanism that insures small probe packets are ... If a Java application's socket detects a failed keep-alive exchange, ...

#79. 聊聊HTTP协议的keep-alive

我顺带测试了下 java 和 go 的http client，发现其实它们也都实现了 keep-alive ， ，之前从代码的上来看，一直以为是请求完之后会直接关闭TCP 连接，要 ...

#80. 关于http 1.1 的Keep-Alive 的持久连接以及客户端和服务器端的 ...

关于http 1.1 的Keep-Alive 有以下几点要注意: default 行为; 可设置timeout 和max request 数: Keep-Alive: timeout=5, max=1000. 对于Java 无论 ...

#81. Keep alive | API Reference | Algolia Documentation

Connections to Algolia are kept open by default. Learn how to terminate all remaining open connections with the JavaScript API client.

#82. java — Como manter o HttpClient Connection Keep-Alive? - ti ...

Estou trabalhando com HttpClient POST método. Preciso criar HttpClient uma vez e devo usar o Keep Alive Connection. Mas acho que, no meu caso, ...

#83. Как установить TCP keep Alive в java из httpclient - CodeRoad

Мое приложение java, которое находится в частной подсети AWS, подключается к серверу http через шлюз AWS Nat. Я вызываю запрос POST через httpclient на ...

#84. Highlights22 - 2.8.x - Play Framework

So we've simplified the structure for results in Java and Scala. ... If set to KeepAlive , Play will make a best effort attempt to keep the connection alive ...

#85. Keep-Alive简介及在Tomcat中配置_牛客博客

Keep -Alive功能使客户端到服务器端的连接持续有效，当出现对服务器的后继请求时 ... parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)

#86. Solved: TCP/IP Keep Alive - for java console - Veritas Vox

TCP/IP Keep Alive - for java console ... Networking set up a timeout for tcp/ip, idle connections get disconnected. No problems within NetBackup, but PC not in ...

#87. tomcat对keep-alive的实现逻辑 - 写点什么

doRun(AprEndpoint.java:2442) at org.apache.tomcat.util.net. ... 在说 keep-alive 的实现之前，先贴张之前分享ali-tomcat的ppt的一张图：.

#88. java.util.concurrent.TimeoutException - ServiceNow Support

Edge Encryption log file edgeencryption.log periodically shows "ERROR Received error in response for keep-alive request. Please check the connectivity ...

#89. Socket keep alive with client EJB and RMI over - JBoss.org

Hmm. I don't really know what's happening. On the client side the HTTP transport uses a java.net.HttpURLConnection, and on the server side it ...

#90. Server dies on keep-alive ack timeout - rsocket-java

doCheckTimeout(KeepAliveHandler.java:112) at io.rsocket.keepalive.KeepAliveHandler$Server.onIntervalTick(KeepAliveHandler.java:128) at ...

#91. java编写Http1.1服务器怎么实现keep-alive - 百度知道

2013-10-14 http协议Connection:Keep-alive 是怎... 19; 2017-03-10 java怎么实现http服务器怎么解决; 2014-12-10 服务器怎么用keepalive检测到客户端 ...

#92. java — ¿Cómo mantener HttpClient Connection Keep-Alive?

Estoy trabajando HttpClient POST método. Necesito crear HttpClient una vez y debería usar Keep Alive Connection. Pero creo que en mi caso, ...

#93. Caveats of HttpURLConnection - Bozho's tech blog

The keep.alive property (default: true) indicates that sockets can be reused by subsequent requests. That works by leaving the connection to ...

#94. Как использовать Keep-Alive в Java? - Хабр Q&A

Не уверен, что дело тут вообще в Keep-Alive. Apache http client просто работает быстрее, чем HttpUrlConnection из стандартной библиотеки. Вот, к примеру, ...

#95. The property name Keep-Alive is not a valid Java identifier

[30-5-18 17:13:14:321 CEST] 00001622 SystemOut O WARN [integration.jms.DefaultJmsHeaderMapper] failed to map Message header 'Keep-Alive' to JMS property ...

#96. PSDK connection keep alive - Genesys CTI User Forum

PSDK connection keep alive. ... and T servers without any problem in our test environment however in production I keep getting "java.io.

#97. [Java Core interview Dictionary] Day 17, details the ...

[Java Core interview Dictionary] Day 17, details the Differences between "Keep Alive" and "not keep Alive" and the use Scenarios.