Cloud Vision API客户端引发操作系统错误“打开的文件太多”问题的回答

Cloud Vision API客户端引发操作系统错误“打开的文件太多”

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我在使用Python通过Cloud Vision API客户端运行标签检测时遇到了一个错误：“打开的文件太多”。 在本文之前，当我在GitHub上问这个问题时，维护人员给了我一个建议，这个问题是一般的<a href="https://www.cnpython.com/qa/" class="inner-link">python问题</a>，而不是API。 听了这个建议，我还不明白为什么Python抛出了“太多打开的文件”。 我做了日志记录，结果显示urllib3引发了这样的错误，尽管我没有显式地导入该包。 我错了什么？请帮帮我。 我的环境是 <ul> <li>Ubuntu 16.04.3 LTS（GNU/Linux 4.4.0-112-generic x86_64）</li> <li>Python 3.5.2版</li> <li>谷歌云视觉（0.31.1）</li> </ul> 错误日志： <pre><code>[2018-05-25 20:18:46,573] {label_detection.py:60} DEBUG - success open decile_data/image/src/00000814.jpg [2018-05-25 20:18:46,573] {label_detection.py:62} DEBUG - success convert image to types.Image [2018-05-25 20:18:46,657] {requests.py:117} DEBUG - Making request: POST https://accounts.google.com/o/oauth2/token [2018-05-25 20:18:46,657] {connectionpool.py:824} DEBUG - Starting new HTTPS connection (1): accounts.google.com [2018-05-25 20:18:46,775] {connectionpool.py:396} DEBUG - https://accounts.google.com:443 "POST /o/oauth2/token HTTP/1.1" 200 None [2018-05-25 20:18:47,803] {label_detection.py:60} DEBUG - success open decile_data/image/src/00000815.jpg [2018-05-25 20:18:47,803] {label_detection.py:62} DEBUG - success convert image to types.Image [2018-05-25 20:18:47,896] {requests.py:117} DEBUG - Making request: POST https://accounts.google.com/o/oauth2/token [2018-05-25 20:18:47,896] {connectionpool.py:824} DEBUG - Starting new HTTPS connection (1): accounts.google.com [2018-05-25 20:18:47,902] {_plugin_wrapping.py:81} ERROR - AuthMetadataPluginCallback "<google.auth.transport.grpc.AuthMetadataPlugin object at 0x7fcd94eb7dd8>" raised exception! Traceback (most recent call last): File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/util/ssl_.py", line 313, in ssl_wrap_socket OSError: [Errno 24] Too many open files During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/connectionpool.py", line 601, in urlopen File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/connectionpool.py", line 346, in _make_request File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/connectionpool.py", line 850, in _validate_conn File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/connection.py", line 326, in connect File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/util/ssl_.py", line 315, in ssl_wrap_socket urllib3.exceptions.SSLError: [Errno 24] Too many open files During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/requests/adapters.py", line 440, in send File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/connectionpool.py", line 639, in urlopen File "/home/ishiyama/tensorflow/lib/python3.5/site-packages/urllib3/util/retry.py", line 388, in increment urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='accounts.google.com', port=443): Max retries exceeded with url: /o/oauth2/token (Caused by SSLError(OSError(24, 'Too many open files'),)) </code></pre> 上述错误导出的脚本如下： ^{pr2}$

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Cloud Vision API客户端引发操作系统错误“打开的文件太多”

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