C:\Anaconda3\python.exe C:/pycharm.z/neo.py Traceback (most recent call last): File "C:\Anaconda3\lib\site-packages\py2neo\client\__init__.py", line 806, in acquire cx = self._free_list.popleft() IndexError: pop from an empty deque During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Anaconda3\lib\site-packages\py2neo\client\bolt.py", line 810, in _audit task.audit() File "C:\Anaconda3\lib\site-packages\py2neo\client\bolt.py", line 1303, in audit raise self._failure py2neo.errors.ClientError: [Security.Unauthorized] The client is unauthorized due to authentication failure. During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\pycharm.z\neo.py", line 4, in <module> graph = Graph("bolt://localhost:7687", auth=("neo4j", "password")) File "C:\Anaconda3\lib\site-packages\py2neo\database.py", line 288, in __init__ self.service = GraphService(profile, **settings) File "C:\Anaconda3\lib\site-packages\py2neo\database.py", line 119, in __init__ self._connector = Connector(profile, **connector_settings) File "C:\Anaconda3\lib\site-packages\py2neo\client\__init__.py", line 960, in __init__ self._add_pools(*self._initial_routers) File "C:\Anaconda3\lib\site-packages\py2neo\client\__init__.py", line 982, in _add_pools pool = ConnectionPool.open( File "C:\Anaconda3\lib\site-packages\py2neo\client\__init__.py", line 649, in open seeds = [pool.acquire() for _ in range(init_size or cls.default_init_size)] File "C:\Anaconda3\lib\site-packages\py2neo\client\__init__.py", line 649, in <listcomp> seeds = [pool.acquire() for _ in range(init_size or cls.default_init_size)] File "C:\Anaconda3\lib\site-packages\py2neo\client\__init__.py", line 813, in acquire cx = self._connect() File "C:\Anaconda3\lib\site-packages\py2neo\client\__init__.py", line 764, in _connect cx = Connection.open(self.profile, user_agent=self怎么解决
时间: 2023-07-22 11:07:48 浏览: 375
根据您提供的错误信息,出现了两个异常:IndexError和ClientError。IndexError表示连接池中没有可用的连接,而ClientError表示由于身份验证失败而导致未经授权的客户端。
解决这些问题的步骤如下:
1. 确保您提供的Neo4j数据库URL和凭据是正确的。检查URL中的主机名、端口号以及凭据的用户名和密码是否与您在Neo4j中设置的一致。
2. 确保Neo4j数据库正在运行并监听正确的端口。您可以尝试通过浏览器访问Neo4j的管理界面来验证数据库是否可用。
3. 检查防火墙设置,确保允许连接到Neo4j数据库所使用的端口。
4. 如果您在使用用户名和密码进行身份验证时仍然遇到问题,可以尝试更改身份验证方法。例如,您可以尝试使用Kerberos或LDAP进行身份验证,具体取决于您在Neo4j中的配置。
5. 确保您的py2neo库版本是最新的。您可以使用以下命令升级py2neo库:
```
pip install --upgrade py2neo
```
如果问题仍然存在,请检查您的代码是否有其他问题,并考虑向Neo4j社区寻求更多帮助。
相关问题
(base) root@4235009d9f30:/home/coder# /root/anaconda3/bin/python /home/coder/project/词云生成.py Traceback (most recent call last): File "/home/coder/project/词云生成.py", line 9, in <module> wordcloud = WordCloud(width=800, height=400, background_color='white').generate(text) File "/root/anaconda3/lib/python3.8/site-packages/wordcloud/wordcloud.py", line 639, in generate return self.generate_from_text(text) File "/root/anaconda3/lib/python3.8/site-packages/wordcloud/wordcloud.py", line 621, in generate_from_text self.generate_from_frequencies(words) File "/root/anaconda3/lib/python3.8/site-packages/wordcloud/wordcloud.py", line 453, in generate_from_frequencies self.generate_from_frequencies(dict(frequencies[:2]), File "/root/anaconda3/lib/python3.8/site-packages/wordcloud/wordcloud.py", line 508, in generate_from_frequencies box_size = draw.textbbox((0, 0), word, font=transposed_font, anchor="lt") File "/root/anaconda3/lib/python3.8/site-packages/PIL/ImageDraw.py", line 657, in textbbox bbox = font.getbbox( AttributeError: 'TransposedFont' object has no attribute 'getbbox'
这个错误通常是由于`wordcloud`库的一个已知问题引起的,该问题会在使用某些字体时导致属性错误。
为了解决这个问题,你可以尝试使用另一个字体来生成词云。你可以通过指定`font_path`参数来选择一个字体文件,该文件应该是你系统上可用的字体文件之一。
以下是更新后的代码示例:
```python
from wordcloud import WordCloud
import matplotlib.pyplot as plt
# 读取文本文件
with open('/home/coder/project/比亚迪汉关键词', 'r', encoding='utf-8') as file:
text = file.read()
# 创建词云对象并指定字体文件路径
font_path = "/path/to/your/font.ttf" # 替换为你系统上可用的字体文件路径
wordcloud = WordCloud(width=800, height=400, background_color='white', font_path=font_path).generate(text)
# 绘制词云图像
plt.figure(figsize=(10, 5))
plt.imshow(wordcloud, interpolation='bilinear')
plt.axis('off')
plt.show()
```
请确保将`font_path`替换为你系统上可用的字体文件路径。你可以在系统字体目录中查找可用的字体文件。如果你不确定字体文件的路径,可以尝试使用绝对路径。
如果问题仍然存在,请尝试使用不同的字体文件或更新`wordcloud`库的版本。
希望这能解决你的问题!如有其他疑问,请随时提问。
Traceback (most recent call last): File "xian.py", line 6, in <module> data = pd.read_csv('/home/w123/Documents/data-analysis/40-0-data/ratio/40-10-ratio.txt', sep=',', header=None) File "/home/w123/anaconda3/envs/face/lib/python3.7/site-packages/pandas/util/_decorators.py", line 311, in wrapper return func(*args, **kwargs) File "/home/w123/anaconda3/envs/face/lib/python3.7/site-packages/pandas/io/parsers/readers.py", line 586, in read_csv return _read(filepath_or_buffer, kwds) File "/home/w123/anaconda3/envs/face/lib/python3.7/site-packages/pandas/io/parsers/readers.py", line 488, in _read return parser.read(nrows) File "/home/w123/anaconda3/envs/face/lib/python3.7/site-packages/pandas/io/parsers/readers.py", line 1047, in read index, columns, col_dict = self._engine.read(nrows) File "/home/w123/anaconda3/envs/face/lib/python3.7/site-packages/pandas/io/parsers/c_parser_wrapper.py", line 224, in read chunks = self._reader.read_low_memory(nrows) File "pandas/_libs/parsers.pyx", line 801, in pandas._libs.parsers.TextReader.read_low_memory File "pandas/_libs/parsers.pyx", line 857, in pandas._libs.parsers.TextReader._read_rows File "pandas/_libs/parsers.pyx", line 843, in pandas._libs.parsers.TextReader._tokenize_rows File "pandas/_libs/parsers.pyx", line 1925, in pandas._libs.parsers.raise_parser_error pandas.errors.ParserError: Error tokenizing data. C error: Expected 1 fields in line 2, saw 3
这个错误提示是由于 pandas 在读取 csv 文件时,无法正确地分隔数据。具体来说,它在读取第二行时期望只有一个字段,但实际上有三个字段。这通常是因为数据中包含了一些不规则的内容,例如特殊字符或文本中的逗号。建议你检查一下数据文件,确保每行的字段数都是一致的,并且没有不必要的空格或特殊字符。另外,你可以尝试使用不同的分隔符或引号字符来读取数据,以便正确地解析文件。
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