[英]Jmeter http requests get 400 response code in some random thread
I wrote an test plan by using JMeter. 我用JMeter写了一个测试计划。 it's structured like this:
它的结构如下:
Thread Group 线程组
I run 50 threads, however, some random http request fails with "Response code:400" in a thread, but it's successful for in other threads. 我运行了50个线程,然而,一些随机的http请求在一个线程中失败并带有“响应代码:400”,但它在其他线程中成功。
So I'm don't know how to investigate on this, as it works fine sometimes but it fails once or twice. 所以我不知道如何对此进行调查,因为它有时工作正常,但它失败一次或两次。
Can anyone give me some suggestions? 谁能给我一些建议? I will really appreciate with your help.
在你的帮助下,我将非常感激。
you're possibly over hitting it with 50 threads (wild guess) Gateway Timeout perhaps
. 你有可能用50个线程(狂野猜测)
Gateway Timeout perhaps
来击中它。
Look at http://w3.org/Protocols/rfc2616/rfc2616-sec10.html 请查看http://w3.org/Protocols/rfc2616/rfc2616-sec10.html
Note to implementors: some deployed proxies are known to return 400 or 500 when DNS lookups time out
if decreasing number of threads eliminates issue than it's not a test issue it's elsewhere. 如果线程数量的减少消除了问题,那么它就不是测试问题了。
Resolution details from the user1488025 : user1488025的分辨率详细信息:
We found the bug in mod_jk. 我们在mod_jk中发现了这个bug。 Basically the default configuration of mod_jk doesn't work under high load, it will become slow, unresponsive, causes http error and half closed connections over time.
基本上mod_jk的默认配置在高负载下不起作用,它将变得缓慢,无响应,导致http错误和半封闭连接随着时间的推移。
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