EmptyLabel: A DNS label is empty.
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Description
Crash Report
This crash report was reported through the automatic crash reporting system 🤖
Traceback
File "electrum\gui\qt\network_dialog.py", line 408, in set_proxy
File "electrum\network.py", line 358, in run_from_another_thread
File "concurrent\futures\_base.py", line 435, in result
File "concurrent\futures\_base.py", line 384, in __get_result
File "electrum\util.py", line 1037, in wrapper
File "electrum\network.py", line 609, in set_parameters
File "electrum\network.py", line 1126, in _start
File "electrum\network.py", line 577, in _set_proxy
File "electrum\dns_hacks.py", line 35, in configure_dns_depending_on_proxy
File "electrum\dns_hacks.py", line 43, in _prepare_windows_dns_hack
File "site-packages\dns\resolver.py", line 1073, in get_default_resolver
File "site-packages\dns\resolver.py", line 1085, in reset_default_resolver
File "site-packages\dns\resolver.py", line 543, in __init__
File "site-packages\dns\resolver.py", line 720, in read_registry
File "site-packages\dns\resolver.py", line 674, in _config_win32_fromkey
File "site-packages\dns\resolver.py", line 639, in _config_win32_domain
File "site-packages\dns\name.py", line 889, in from_text
File "site-packages\dns\name.py", line 852, in from_unicode
EmptyLabel: A DNS label is empty.
Reporter
This issue was reported by 8 user(s):
| Electrum Version | Python Version | Operating System | Wallet Type | Locale | Stack |
|---|---|---|---|---|---|
| 4.0.1 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-7-6.1.7601-SP1 | standard | de_DE | ℹ |
| 4.0.2 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-10-10.0.18362-SP0 | standard | de_AT | ℹ |
| 4.0.2 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-8.1-6.3.9600-SP0 | standard | ru_RU | ℹ |
| 4.0.2 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-10-10.0.19041-SP0 | standard | en_GB | ℹ |
| 4.0.2 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-10-10.0.19041-SP0 | standard | en_GB | ℹ |
| 4.0.2 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-7-6.1.7601-SP1 | standard | es_MX | ℹ |
| 4.0.2 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-10-10.0.18362-SP0 | standard | fr_FR | ℹ |
| 4.0.2 | 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 09:44:33) [MSC v.1900 32 bit (Intel)] | Windows-10-10.0.18362-SP0 | standard | fr_FR | ℹ |
Additional Information
no connection to any server nodes
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with electrum/gui/qt/network_dialog.py and follow the set_proxy call into electrum/network.py and electrum/dns_hacks.py. Investigate the Windows DNS configuration path shown in the traceback and determine the conditions that produce EmptyLabel. Done means configuring a proxy on the reported Windows setups no longer crashes and the network connection behavior remains functional.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- networking
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100