Gevent似乎在当前未访问网络的greenlet中引发了与网络相关的错误。下面是一个示例回溯,为了简洁起见,省略了一些细节:
Traceback (most recent call last):
...
File ".../asyncforms.py", line 95, in _try_to_process_form
self.pool.spawn(self._async_migrate_form, wrapped_form, case_ids)
File ".../lib/python3.6/site-packages/gevent/pool.py", line 391, in spawn
self.start(greenlet)
File ".../lib/python3.6/site-packages/gevent/pool.py", line 601, in start
self.add(greenlet, *args, **kwargs)
File ".../lib/python3.6/site-packages/gevent/pool.py", line 634, in add
if not self._semaphore.acquire(blocking=blocking, timeout=timeout):
File "src/gevent/_semaphore.py", line 100, in gevent.__semaphore.Semaphore.acquire
File "src/gevent/_semaphore.py", line 128, in gevent.__semaphore.Semaphore.acquire
File "src/gevent/_abstract_linkable.py", line 192, in gevent.__abstract_linkable.AbstractLinkable._wait
File "src/gevent/_abstract_linkable.py", line 165, in gevent.__abstract_linkable.AbstractLinkable._wait_core
File "src/gevent/_abstract_linkable.py", line 169, in gevent.__abstract_linkable.AbstractLinkable._wait_core
File "src/gevent/_greenlet_primitives.py", line 60, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
File "src/gevent/_greenlet_primitives.py", line 60, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
File "src/gevent/_greenlet_primitives.py", line 64, in gevent.__greenlet_primitives.SwitchOutGreenletWithLoop.switch
File "src/gevent/__greenlet_primitives.pxd", line 35, in gevent.__greenlet_primitives._greenlet_switch
socket.gaierror: [Errno -9] Address family for hostname not supported
正如您所看到的,当前线程是gevent.pool.Pool
中的spawning a new greenlet,据我所知,它不应该访问网络。我的意思是,生成一个greenlet的行为不应该击中网络,虽然最终在该greenlet中运行的函数可能会击中网络,但是我认为我不需要在这里担心,因为在回溯中没有它的证据。你知道吗
为什么gevent在代码中的这个地方提出这个看似无关的网络错误?我怀疑错误来自另一个正在访问网络的greenlet。有没有办法获取此错误的真实回溯上下文?你知道吗
不确定以下任何一项是否相关,但与上下文有关:
启动时,进程会修补一些东西。这有点简化(实际代码here):
from gevent import monkey
from psycogreen.gevent import patch_psycopg
monkey.patch_all(subprocess=True)
patch_psycopg()
Edit:a bit later它设置gevent.get_hub().SYSTEM_ERROR = BaseException
,使程序在任何greenlet崩溃时立即退出。也许这还有其他意想不到的副作用,比如这些令人困惑的回溯?你知道吗
系统和库版本:
的确,看起来
有意想不到的副作用。
socket.gaierror
,这是间歇性的,但相当频繁,没有发生,因为我评论了这一行。你知道吗相关问题 更多 >
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