将 tensorflow 从 2.1.2 升级到 2.3.0 后，Tensorboard 无法使用

分类：编程问答

如何解决将 tensorflow 从 2.1.2 升级到 2.3.0 后，Tensorboard 无法使用

我使用的是 TensorFlow 2.1.2 和 TensorBoard 2.4.1，

import os,shutil
import tensorflow as tf
print(tf.__version__)

SUMMARY_DIR = 'summary/testing_this'
if 1:
    # SUMMARY_DIR is the path of the directory where the tensorboard SummaryWriter files are written
    # the directory is removed,if it already exists
    if os.path.exists(SUMMARY_DIR):
        shutil.rmtree(SUMMARY_DIR)

    train_summary_writer = tf.summary.create_file_writer(os.path.join(SUMMARY_DIR,'train'))
    test_summary_writer  = tf.summary.create_file_writer(os.path.join(SUMMARY_DIR,'test'))
    train_summary_counter = 0

for i in range(100):
    with train_summary_writer.as_default():
        tf.summary.scalar('train/sampled-softmax loss',i+5,step=train_summary_counter)                
        train_summary_counter += 1

上面编写的代码运行良好。但是当我升级到TensorFlow 2.3.0时，抛出了以下错误-

Serving TensorBoard on localhost; to expose to the network,use a proxy or pass --bind_all
TensorBoard 2.4.1 at http://localhost:6006/ (Press CTRL+C to quit)
E0216 07:39:53.581997 140588167055104 _internal.py:113] Error on request:
Traceback (most recent call last):
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",line 124,in read_chunk_len
    _len = int(line.strip(),16)
ValueError: invalid literal for int() with base 16: '------WebKitFormBoundary20rNOiiimzABSId3'

During handling of the above exception,another exception occurred:

Traceback (most recent call last):
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 131,in wrapper
    return f(self,stream,*args,**kwargs)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 253,in _parse_multipart
    form,files = parser.parse(stream,boundary,content_length)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 584,in parse
    return self.cls(form),self.cls(files)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/datastructures.py",line 419,in __init__
    for key,value in mapping or ():
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 582,in <genexpr>
    form = (p[1] for p in formstream if p[0] == "form")
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 537,in parse_parts
    for ellt,ell in self.parse_lines(file,content_length):
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 451,in parse_lines
    terminator = self._find_terminator(iterator)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 368,in _find_terminator
    for line in iterator:
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/wsgi.py",line 721,in make_line_iter
    first_item = next(_iter,"")
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/wsgi.py",line 681,in _make_chunk_iter
    item = _read(buffer_size)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",line 137,in readinto
    self._len = self.read_chunk_len()
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",line 126,in read_chunk_len
    raise IOError("Invalid chunk header")
OSError: Invalid chunk header

During handling of the above exception,another exception occurred:

Traceback (most recent call last):
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",16)
ValueError: invalid literal for int() with base 16: 'Content-Disposition: form-data; name="tag"'

During handling of the above exception,line 323,in run_wsgi
    execute(self.server.app)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",line 312,in execute
    application_iter = app(environ,start_response)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/tensorboard/backend/application.py",line 526,in __call__
    return self._app(environ,line 567,in wrapper
    return wsgi_app(environ,start_response)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/tensorboard/backend/security_validator.py",line 80,in __call__
    return self._application(environ,start_response_proxy)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/tensorboard/backend/path_prefix.py",line 71,start_response)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/tensorboard/backend/experiment_id.py",line 76,start_response)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/tensorboard/backend/empty_path_redirect.py",line 47,line 590,line 549,in _route_request
    return self.exact_routes[clean_path](environ,start_response)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/wrappers/base_request.py",line 238,in application
    resp = f(*args[:-2] + (request,))
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/tensorboard/plugins/scalar/scalars_plugin.py",line 166,in scalars_multirun_route
    tags = request.form.getlist("tag")
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/utils.py",line 90,in __get__
    value = self.func(obj)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/wrappers/base_request.py",line 480,in form
    self._load_form_data()
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/wrappers/base_request.py",line 319,in _load_form_data
    self._get_stream_for_parsing(),mimetype,content_length,options
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 232,in parse
    return parse_func(self,options)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/formparser.py",line 138,in wrapper
    chunk = stream.read(1024 * 64)
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",in read_chunk_len
    raise IOError("Invalid chunk header")
OSError: Invalid chunk header
E0216 07:39:53.585781 140588158662400 _internal.py:113] Error on request:
Traceback (most recent call last):
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",16)
ValueError: invalid literal for int() with base 16: '------WebKitFormBoundary4NW6Hm666U0prn4r'

During handling of the above exception,in read_chunk_len
    raise IOError("Invalid chunk header")
OSError: Invalid chunk header
E0216 07:39:53.721650 140588158662400 _internal.py:113] Error on request:
Traceback (most recent call last):
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",16)
ValueError: invalid literal for int() with base 16: '------WebKitFormBoundaryQo6LrfWENvCGlGD7'

During handling of the above exception,in read_chunk_len
    raise IOError("Invalid chunk header")
OSError: Invalid chunk header
E0216 07:39:53.824328 140588158662400 _internal.py:113] Error on request:
Traceback (most recent call last):
  File "/home/ec2-user/anaconda3/envs/tensorflow2_p36/lib/python3.6/site-packages/werkzeug/serving.py",16)
ValueError: invalid literal for int() with base 16: '------WebKitFormBoundaryPDuqOCLNbMBFkkSo'

During handling of the above exception,in read_chunk_len
    raise IOError("Invalid chunk header")
OSError: Invalid chunk header

有人可以帮我用 tf 2.3.0 运行张量板吗？

解决方法

使用 pip install 'tensorboard<2.4' 降级为我解决了这个问题。

tensorboard 2.4 似乎做出了一些重大改变。

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