babyblue94520 opened a new pull request, #645:
URL: https://github.com/apache/tomcat/pull/645
__HttpClient__ judges how many connections are cached by the __keepalive__
header max value, but __Http11Processor__ doesn't provide it, so __HttpClient__
__keepAliveConnections__ is always __5__.
## sun.net.www.http.HttpClient
Parse keepalive headers for max connections.
* __parseHTTPHeader__
```java
HeaderParser p = new HeaderParser(responses.findValue("Keep-Alive"));
/* default should be larger in case of proxy */
keepAliveConnections = p.findInt("max", usingProxy?50:5);
keepAliveTimeout = p.findInt("timeout", usingProxy?60:5);
```
* __finished__
```java
public void finished() {
if (reuse) /* will be reused */
return;
keepAliveConnections--;
poster = null;
if (keepAliveConnections > 0 && isKeepingAlive() &&
!(serverOutput.checkError())) {
/* This connection is keepingAlive && still valid.
* Return it to the cache.
*/
putInKeepAliveCache();
} else {
closeServer();
}
}
```
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