Bug report #18515

Updated by Jürgen Fischer about 6 years ago

Just installed and opened up 3.0.0-Girona. Connected to a `PostgreSQL 9.6.6 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.2 20140120 (Red Hat 4.8.2-16), 64-bit` remote instance, was offered to store my credentials so I accepted. I can connected to the instance and see schemas.

<pre>
I opened the DB Manager to open a SQL Window, when I click on SQL Window it says I'm not connected so I refresh connection:

```WARNING Traceback (most recent call last):
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_model.py", line 441, in rowCount
self._refreshIndex(parent, True)
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_model.py", line 490, in _refreshIndex
if item.populate():
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_model.py", line 167, in populate
if not connection.connect():
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_plugins\postgis\plugin.py", line 103, in connect
return self.connectToUri(uri)
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_plugins\plugin.py", line 109, in connectToUri
self.db = self.databasesFactory(self, uri)
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_plugins\postgis\plugin.py", line 70, in databasesFactory
return PGDatabase(connection, uri)
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_plugins\postgis\plugin.py", line 111, in __init__
Database.__init__(self, connection, uri)
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_plugins\plugin.py", line 218, in __init__
self.connector = self.connectorsFactory(uri)
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_plugins\postgis\plugin.py", line 114, in connectorsFactory
return PostGisDBConnector(uri)
File "C:/PROGRA~1/QGIS3~1.0/apps/qgis/./python/plugins\db_manager\db_plugins\postgis\connector.py", line 128, in __init__
os.remove(sslCAFile)
PermissionError: [WinError 5] Access is denied: 'C:/Users/username/AppData/Local/Temp/tmp_basic_{alphanumeric_values}.pem'
```

Python version: 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)]
QGIS version: 3.0.0-Girona Girona, 001c80b0c3

</pre>

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