Django
django.db.utils.DatabaseError: ORA-12154: TNS: 無法解析 OCI 中指定的連接標識符
django.db.utils.DatabaseError: ORA-12154: TNS:could not resolve the connect identifier specified在 OCI 中反複收到錯誤連接數據庫 ADW（自治數據庫倉庫 19c）以在 Oracle 雲基礎設施中部署 Django 項目
uname -a Linux instance-20210913-1957 5.4.17-2102.204.4.4.el7uek.x86_64 #2 SMP Tue Aug 17 20:25:28 PDT 2021 x86_64 x86_64 x86_64 GNU/Linux pip freeze asgiref==3.4.1 cx-Oracle==8.0.0 Django==3.2.7 pytz==2021.1 sqlparse==0.4.2 typing-extensions==3.10.0.2我在 /usr/lib/oracle/21/client64/lib/network/admin 中解壓了區域錢封包件
我的sttings.py
DATABASES={ 'default': { 'ENGINE':'django.db.backends.oracle', 'NAME':'potatodbname', 'USER':'ADMIN', 'PASSWORD':'wieredpassword',#Please provide the db password here } }完全錯誤：
python manage.py migrate Traceback (most recent call last): File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 219, in ensure_connection self.connect() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/utils/asyncio.py", line 26, in inner return func(*args, **kwargs) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 200, in connect self.connection = self.get_new_connection(conn_params) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/utils/asyncio.py", line 26, in inner return func(*args, **kwargs) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/oracle/base.py", line 233, in get_new_connection **conn_params, cx_Oracle.DatabaseError: ORA-12154: TNS:could not resolve the connect identifier specified The above exception was the direct cause of the following exception: Traceback (most recent call last): File "manage.py", line 22, in <module> main() File "manage.py", line 18, in main execute_from_command_line(sys.argv) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/core/management/__init__.py", line 419, in execute_from_command_line utility.execute() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/core/management/__init__.py", line 413, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/core/management/base.py", line 354, in run_from_argv self.execute(*args, **cmd_options) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/core/management/base.py", line 398, in execute output = self.handle(*args, **options) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/core/management/base.py", line 89, in wrapped res = handle_func(*args, **kwargs) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/core/management/commands/migrate.py", line 92, in handle executor = MigrationExecutor(connection, self.migration_progress_callback) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/migrations/executor.py", line 18, in __init__ self.loader = MigrationLoader(self.connection) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/migrations/loader.py", line 53, in __init__ self.build_graph() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/migrations/loader.py", line 220, in build_graph self.applied_migrations = recorder.applied_migrations() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/migrations/recorder.py", line 77, in applied_migrations if self.has_table(): File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/migrations/recorder.py", line 55, in has_table with self.connection.cursor() as cursor: File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/utils/asyncio.py", line 26, in inner return func(*args, **kwargs) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 259, in cursor return self._cursor() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 235, in _cursor self.ensure_connection() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/utils/asyncio.py", line 26, in inner return func(*args, **kwargs) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 219, in ensure_connection self.connect() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/utils.py", line 90, in __exit__ raise dj_exc_value.with_traceback(traceback) from exc_value File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 219, in ensure_connection self.connect() File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/utils/asyncio.py", line 26, in inner return func(*args, **kwargs) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 200, in connect self.connection = self.get_new_connection(conn_params) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/utils/asyncio.py", line 26, in inner return func(*args, **kwargs) File "/var/www/cgi-bin/trydjango-dev/lib64/python3.6/site-packages/django/db/backends/oracle/base.py", line 233, in get_new_connection **conn_params, django.db.utils.DatabaseError: ORA-12154: TNS:could not resolve the connect identifier specified我錯過了什麼來得到那個錯誤？
settings.py 中的修復：
DATABASES={ 'default': { 'ENGINE':'django.db.backends.oracle', 'NAME':'servicename', # must be the servicename eg. dbname_high,dbname_low,dbname_medium etc. 'USER':'ADMIN', 'PASSWORD':'bhouguspassword',#Please provide the db password here but it can cause issue if you were using '@' } }小路：
ls -lart /usr/lib/oracle/21/我已經解壓縮
?/network/admin文件夾中的錢包並將組權限更改為 apache，chown -R :apache /usr/lib/oracle/21/確保您正確設置了 TNS_ADMIN、LD_LIBRARY_PATHpython manage.py migrate Operations to perform: Apply all migrations: admin, auth, contenttypes, sessions Running migrations: Applying contenttypes.0001_initial... OK Applying auth.0001_initial... OK Applying admin.0001_initial... OK Applying admin.0002_logentry_remove_auto_add... OK Applying admin.0003_logentry_add_action_flag_choices... OK Applying contenttypes.0002_remove_content_type_name... OK Applying auth.0002_alter_permission_name_max_length... OK Applying auth.0003_alter_user_email_max_length... OK Applying auth.0004_alter_user_username_opts... OK Applying auth.0005_alter_user_last_login_null... OK Applying auth.0006_require_contenttypes_0002... OK Applying auth.0007_alter_validators_add_error_messages... OK Applying auth.0008_alter_user_username_max_length... OK Applying auth.0009_alter_user_last_name_max_length... OK Applying auth.0010_alter_group_name_max_length... OK Applying auth.0011_update_proxy_permissions... OK Applying auth.0012_alter_user_first_name_max_length... OK Applying sessions.0001_initial... OK如果啟用了 ACL，則使用您的 IP 和 CIDR 和 vcn 進行編輯
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