todoui-flask connection refused on todobackend-springboot /todos/Sample #9
Description
Todoui-flask throws a number of connection refused error during startup after running docker compose up.
I'm using Podman as my container runtime on macOS, otherwise I'm using the provided dev container.
todoui-flask-1 | urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='todobackend-springboot', port=8080): Max retries exceeded with url: /todos/Sample (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7ffff4160980>: Failed to establish a new connection: [Errno 111] Connection refused'))
See full log below (cleaned from other components than todoui-flask, todoui-thymeleaf and todobackend-springboot)
todoui-thymeleaf-1 | OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended
todobackend-springboot-1 | OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended
todoui-thymeleaf-1 | [otel.javaagent 2025-01-23 09:57:40:959 +0000] [main] INFO io.opentelemetry.javaagent.tooling.VersionLogger - opentelemetry-javaagent - version: 2.3.0
todobackend-springboot-1 | [otel.javaagent 2025-01-23 09:57:41:037 +0000] [main] INFO io.opentelemetry.javaagent.tooling.VersionLogger - opentelemetry-javaagent - version: 2.3.0
todoui-flask-1 | * Serving Flask app 'app'
todoui-flask-1 | * Debug mode: off
todoui-flask-1 | INFO:werkzeug:_internal:WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
todoui-flask-1 | * Running on all addresses (0.0.0.0)
todoui-flask-1 | * Running on http://127.0.0.1:5000
todoui-flask-1 | * Running on http://172.18.0.3:5000
todoui-flask-1 | INFO:werkzeug:_internal:Press CTRL+C to quit
todoui-thymeleaf-1 |
todoui-thymeleaf-1 | . ____ _ __ _ _
todoui-thymeleaf-1 | /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
todoui-thymeleaf-1 | ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
todoui-thymeleaf-1 | \\/ ___)| |_)| | | | | || (_| | ) ) ) )
todoui-thymeleaf-1 | ' |____| .__|_| |_|_| |_\__, | / / / /
todoui-thymeleaf-1 | =========|_|==============|___/=/_/_/_/
todoui-thymeleaf-1 | :: Spring Boot :: (v2.7.16)
todoui-thymeleaf-1 |
todobackend-springboot-1 |
todobackend-springboot-1 | . ____ _ __ _ _
todobackend-springboot-1 | /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
todobackend-springboot-1 | ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
todobackend-springboot-1 | \\/ ___)| |_)| | | | | || (_| | ) ) ) )
todobackend-springboot-1 | ' |____| .__|_| |_|_| |_\__, | / / / /
todobackend-springboot-1 | =========|_|==============|___/=/_/_/_/
todobackend-springboot-1 | :: Spring Boot :: (v3.2.2)
todobackend-springboot-1 |
todoui-thymeleaf-1 | 2025-01-23 09:57:47.350 INFO 1 --- [ main] io.novatec.todoui.TodouiApplication : Starting TodouiApplication using Java 21.0.2 on 31e62619933f with PID 1 (/opt/todoui/app started by root in /opt/todoui)
todoui-thymeleaf-1 | 2025-01-23 09:57:47.379 INFO 1 --- [ main] io.novatec.todoui.TodouiApplication : No active profile set, falling back to 1 default profile: "default"
todobackend-springboot-1 | 2025-01-23T09:57:48.080Z INFO 1 --- [springboot-backend ] [ main] i.n.todobackend.TodobackendApplication : Starting TodobackendApplication using Java 21.0.2 with PID 1 (/opt/todobackend/app started by root in /opt/todobackend)
todobackend-springboot-1 | 2025-01-23T09:57:48.109Z INFO 1 --- [springboot-backend ] [ main] i.n.todobackend.TodobackendApplication : The following 1 profile is active: "prod"
todoui-thymeleaf-1 | 2025-01-23 09:57:50.932 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8090 (http)
todoui-thymeleaf-1 | 2025-01-23 09:57:51.010 INFO 1 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
todoui-thymeleaf-1 | 2025-01-23 09:57:51.011 INFO 1 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.80]
todoui-thymeleaf-1 | 2025-01-23 09:57:51.133 INFO 1 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
todoui-thymeleaf-1 | 2025-01-23 09:57:51.133 INFO 1 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 3634 ms
todobackend-springboot-1 | 2025-01-23T09:57:52.086Z INFO 1 --- [springboot-backend ] [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
todoui-thymeleaf-1 | 2025-01-23 09:57:52.181 INFO 1 --- [ main] io.novatec.todoui.TodouiApplication : UI initialized for backend at http://todobackend-springboot:8080/
todobackend-springboot-1 | 2025-01-23T09:57:52.187Z INFO 1 --- [springboot-backend ] [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 87 ms. Found 1 JPA repository interface.
todoui-thymeleaf-1 | 2025-01-23 09:57:53.138 INFO 1 --- [ main] o.s.b.a.e.web.EndpointLinksResolver : Exposing 13 endpoint(s) beneath base path '/actuator'
todoui-thymeleaf-1 | 2025-01-23 09:57:53.684 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8090 (http) with context path ''
todoui-thymeleaf-1 | 2025-01-23 09:57:53.758 INFO 1 --- [ main] io.novatec.todoui.TodouiApplication : Started TodouiApplication in 7.405 seconds (JVM running for 14.01)
todobackend-springboot-1 | 2025-01-23T09:57:53.884Z INFO 1 --- [springboot-backend ] [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 8080 (http)
todobackend-springboot-1 | 2025-01-23T09:57:53.938Z INFO 1 --- [springboot-backend ] [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
todobackend-springboot-1 | 2025-01-23T09:57:53.938Z INFO 1 --- [springboot-backend ] [ main] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.18]
todobackend-springboot-1 | 2025-01-23T09:57:54.036Z INFO 1 --- [springboot-backend ] [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
todobackend-springboot-1 | 2025-01-23T09:57:54.038Z INFO 1 --- [springboot-backend ] [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 5734 ms
todoui-flask-1 | INFO:root:app:POST http://todobackend-springboot:8080/todos//todos/Sample
todoui-flask-1 | ERROR:app:app:Exception on /add [POST]
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 198, in _new_conn
todoui-flask-1 | sock = connection.create_connection(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/connection.py", line 85, in create_connection
todoui-flask-1 | raise err
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/connection.py", line 73, in create_connection
todoui-flask-1 | sock.connect(sa)
todoui-flask-1 | ConnectionRefusedError: [Errno 111] Connection refused
todoui-flask-1 |
todoui-flask-1 | The above exception was the direct cause of the following exception:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 793, in urlopen
todoui-flask-1 | response = self._make_request(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 496, in _make_request
todoui-flask-1 | conn.request(
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 400, in request
todoui-flask-1 | self.endheaders()
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1331, in endheaders
todoui-flask-1 | self._send_output(message_body, encode_chunked=encode_chunked)
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1091, in _send_output
todoui-flask-1 | self.send(msg)
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1035, in send
todoui-flask-1 | self.connect()
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 238, in connect
todoui-flask-1 | self.sock = self._new_conn()
todoui-flask-1 | ^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 213, in _new_conn
todoui-flask-1 | raise NewConnectionError(
todoui-flask-1 | urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7ffff4160980>: Failed to establish a new connection: [Errno 111] Connection refused
todoui-flask-1 |
todoui-flask-1 | The above exception was the direct cause of the following exception:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 486, in send
todoui-flask-1 | resp = conn.urlopen(
todoui-flask-1 | ^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/urllib3/__init__.py", line 224, in instrumented_urlopen
todoui-flask-1 | return wrapped(*args, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 847, in urlopen
todoui-flask-1 | retries = retries.increment(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 515, in increment
todoui-flask-1 | raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type]
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='todobackend-springboot', port=8080): Max retries exceeded with url: /todos/Sample (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7ffff4160980>: Failed to establish a new connection: [Errno 111] Connection refused'))
todoui-flask-1 |
todoui-flask-1 | During handling of the above exception, another exception occurred:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 1473, in wsgi_app
todoui-flask-1 | response = self.full_dispatch_request()
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 882, in full_dispatch_request
todoui-flask-1 | rv = self.handle_user_exception(e)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 880, in full_dispatch_request
todoui-flask-1 | rv = self.dispatch_request()
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 865, in dispatch_request
todoui-flask-1 | return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return]
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/app/app.py", line 37, in add
todoui-flask-1 | response = requests.post(app.config['BACKEND_URL']+new_todo)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/api.py", line 115, in post
todoui-flask-1 | return request("post", url, data=data, json=json, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/api.py", line 59, in request
todoui-flask-1 | return session.request(method=method, url=url, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
todoui-flask-1 | resp = self.send(prep, **send_kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/requests/__init__.py", line 303, in instrumented_send
todoui-flask-1 | raise exception.with_traceback(exception.__traceback__)
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/requests/__init__.py", line 221, in instrumented_send
todoui-flask-1 | result = wrapped_send(
todoui-flask-1 | ^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
todoui-flask-1 | r = adapter.send(request, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 519, in send
todoui-flask-1 | raise ConnectionError(e, request=request)
todoui-flask-1 | requests.exceptions.ConnectionError: HTTPConnectionPool(host='todobackend-springboot', port=8080): Max retries exceeded with url: /todos/Sample (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7ffff4160980>: Failed to establish a new connection: [Errno 111] Connection refused'))
todoui-flask-1 | INFO:werkzeug:_internal:172.18.0.4 - - [23/Jan/2025 09:57:55] "POST /add HTTP/1.1" 500 -
todobackend-springboot-1 | 2025-01-23T09:57:55.579Z INFO 1 --- [springboot-backend ] [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]
todobackend-springboot-1 | 2025-01-23T09:57:55.698Z INFO 1 --- [springboot-backend ] [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.4.1.Final
todobackend-springboot-1 | 2025-01-23T09:57:55.769Z INFO 1 --- [springboot-backend ] [ main] o.h.c.internal.RegionFactoryInitiator : HHH000026: Second-level cache disabled
todobackend-springboot-1 | 2025-01-23T09:57:56.250Z INFO 1 --- [springboot-backend ] [ main] o.s.o.j.p.SpringPersistenceUnitInfo : No LoadTimeWeaver setup: ignoring JPA class transformer
todobackend-springboot-1 | 2025-01-23T09:57:56.304Z INFO 1 --- [springboot-backend ] [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
todobackend-springboot-1 | 2025-01-23T09:57:57.421Z INFO 1 --- [springboot-backend ] [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection org.postgresql.jdbc.PgConnection@56ed6e17
todobackend-springboot-1 | 2025-01-23T09:57:57.462Z INFO 1 --- [springboot-backend ] [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
todoui-flask-1 | ERROR:app:app:Exception on / [GET]
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 198, in _new_conn
todoui-flask-1 | sock = connection.create_connection(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/connection.py", line 85, in create_connection
todoui-flask-1 | raise err
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/connection.py", line 73, in create_connection
todoui-flask-1 | sock.connect(sa)
todoui-flask-1 | ConnectionRefusedError: [Errno 111] Connection refused
todoui-flask-1 |
todoui-flask-1 | The above exception was the direct cause of the following exception:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 793, in urlopen
todoui-flask-1 | response = self._make_request(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 496, in _make_request
todoui-flask-1 | conn.request(
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 400, in request
todoui-flask-1 | self.endheaders()
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1331, in endheaders
todoui-flask-1 | self._send_output(message_body, encode_chunked=encode_chunked)
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1091, in _send_output
todoui-flask-1 | self.send(msg)
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1035, in send
todoui-flask-1 | self.connect()
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 238, in connect
todoui-flask-1 | self.sock = self._new_conn()
todoui-flask-1 | ^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 213, in _new_conn
todoui-flask-1 | raise NewConnectionError(
todoui-flask-1 | urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7fffee6cb410>: Failed to establish a new connection: [Errno 111] Connection refused
todoui-flask-1 |
todoui-flask-1 | The above exception was the direct cause of the following exception:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 486, in send
todoui-flask-1 | resp = conn.urlopen(
todoui-flask-1 | ^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/urllib3/__init__.py", line 224, in instrumented_urlopen
todoui-flask-1 | return wrapped(*args, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 847, in urlopen
todoui-flask-1 | retries = retries.increment(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 515, in increment
todoui-flask-1 | raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type]
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='todobackend-springboot', port=8080): Max retries exceeded with url: /todos/ (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7fffee6cb410>: Failed to establish a new connection: [Errno 111] Connection refused'))
todoui-flask-1 |
todoui-flask-1 | During handling of the above exception, another exception occurred:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 1473, in wsgi_app
todoui-flask-1 | response = self.full_dispatch_request()
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 882, in full_dispatch_request
todoui-flask-1 | rv = self.handle_user_exception(e)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 880, in full_dispatch_request
todoui-flask-1 | rv = self.dispatch_request()
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 865, in dispatch_request
todoui-flask-1 | return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return]
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/app/app.py", line 20, in index
todoui-flask-1 | response = requests.get(backend_url)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/api.py", line 73, in get
todoui-flask-1 | return request("get", url, params=params, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/api.py", line 59, in request
todoui-flask-1 | return session.request(method=method, url=url, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
todoui-flask-1 | resp = self.send(prep, **send_kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/requests/__init__.py", line 303, in instrumented_send
todoui-flask-1 | raise exception.with_traceback(exception.__traceback__)
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/requests/__init__.py", line 221, in instrumented_send
todoui-flask-1 | result = wrapped_send(
todoui-flask-1 | ^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
todoui-flask-1 | r = adapter.send(request, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 519, in send
todoui-flask-1 | raise ConnectionError(e, request=request)
todoui-flask-1 | requests.exceptions.ConnectionError: HTTPConnectionPool(host='todobackend-springboot', port=8080): Max retries exceeded with url: /todos/ (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7fffee6cb410>: Failed to establish a new connection: [Errno 111] Connection refused'))
todoui-flask-1 | INFO:werkzeug:_internal:172.18.0.4 - - [23/Jan/2025 09:58:00] "GET / HTTP/1.1" 500 -
todobackend-springboot-1 exited with code 137
otelcol-1 | 2025-01-23T09:58:01.070Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 2}
todobackend-springboot-1 | OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended
todobackend-springboot-1 | [otel.javaagent 2025-01-23 09:58:01:801 +0000] [main] INFO io.opentelemetry.javaagent.tooling.VersionLogger - opentelemetry-javaagent - version: 2.3.0
loadgenerator-1 | % Total % Received % Xferd Average Speed Time Time Time Current
loadgenerator-1 | Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0* Host todoui-flask:5000 was resolved.
loadgenerator-1 | * IPv6: (none)
loadgenerator-1 | * IPv4: 172.18.0.3
loadgenerator-1 | * Trying 172.18.0.3:5000...
loadgenerator-1 | * Connected to todoui-flask (172.18.0.3) port 5000
loadgenerator-1 | > POST /delete HTTP/1.1
loadgenerator-1 | > Host: todoui-flask:5000
loadgenerator-1 | > User-Agent: curl/8.5.0
loadgenerator-1 | > Accept: */*
loadgenerator-1 | > Content-Length: 11
loadgenerator-1 | > Content-Type: application/x-www-form-urlencoded
loadgenerator-1 | >
todoui-flask-1 | INFO:root:app:POST http://todobackend-springboot:8080/todos//todos/Sample
loadgenerator-1 | } [11 bytes data]
todoui-flask-1 | ERROR:app:app:Exception on /delete [POST]
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 198, in _new_conn
todoui-flask-1 | sock = connection.create_connection(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/connection.py", line 85, in create_connection
todoui-flask-1 | raise err
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/connection.py", line 73, in create_connection
todoui-flask-1 | sock.connect(sa)
todoui-flask-1 | ConnectionRefusedError: [Errno 111] Connection refused
todoui-flask-1 |
todoui-flask-1 | The above exception was the direct cause of the following exception:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 793, in urlopen
todoui-flask-1 | response = self._make_request(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^
loadgenerator-1 | <!doctype html>
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 496, in _make_request
loadgenerator-1 | <html lang=en>
todoui-flask-1 | conn.request(
loadgenerator-1 | <title>500 Internal Server Error</title>
loadgenerator-1 | <h1>Internal Server Error</h1>
loadgenerator-1 | <p>The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.</p>
loadgenerator-1 | < HTTP/1.1 500 INTERNAL SERVER ERROR
loadgenerator-1 | < Server: Werkzeug/3.0.2 Python/3.12.3
loadgenerator-1 | < Date: Thu, 23 Jan 2025 09:58:05 GMT
loadgenerator-1 | < Content-Type: text/html; charset=utf-8
loadgenerator-1 | < Content-Length: 265
loadgenerator-1 | < Connection: close
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 400, in request
loadgenerator-1 | <
todoui-flask-1 | self.endheaders()
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1331, in endheaders
todoui-flask-1 | self._send_output(message_body, encode_chunked=encode_chunked)
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1091, in _send_output
todoui-flask-1 | self.send(msg)
loadgenerator-1 | { [265 bytes data]
todoui-flask-1 | File "/usr/local/lib/python3.12/http/client.py", line 1035, in send
100 276 100 265 100 11 6316 262 --:--:-- --:--:-- --:--:-- 7885
todoui-flask-1 | self.connect()
loadgenerator-1 | * Closing connection
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 238, in connect
todoui-flask-1 | self.sock = self._new_conn()
todoui-flask-1 | ^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connection.py", line 213, in _new_conn
todoui-flask-1 | raise NewConnectionError(
todoui-flask-1 | urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7fffed3ae5d0>: Failed to establish a new connection: [Errno 111] Connection refused
todoui-flask-1 |
todoui-flask-1 | The above exception was the direct cause of the following exception:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 486, in send
todoui-flask-1 | resp = conn.urlopen(
todoui-flask-1 | ^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/urllib3/__init__.py", line 224, in instrumented_urlopen
todoui-flask-1 | return wrapped(*args, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 847, in urlopen
todoui-flask-1 | retries = retries.increment(
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 515, in increment
todoui-flask-1 | raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type]
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='todobackend-springboot', port=8080): Max retries exceeded with url: /todos/Sample (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7fffed3ae5d0>: Failed to establish a new connection: [Errno 111] Connection refused'))
todoui-flask-1 |
todoui-flask-1 | During handling of the above exception, another exception occurred:
todoui-flask-1 |
todoui-flask-1 | Traceback (most recent call last):
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 1473, in wsgi_app
todoui-flask-1 | response = self.full_dispatch_request()
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 882, in full_dispatch_request
todoui-flask-1 | rv = self.handle_user_exception(e)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 880, in full_dispatch_request
todoui-flask-1 | rv = self.dispatch_request()
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 865, in dispatch_request
todoui-flask-1 | return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return]
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/app/app.py", line 47, in delete
todoui-flask-1 | response = requests.delete(app.config['BACKEND_URL']+delete_todo)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/api.py", line 157, in delete
todoui-flask-1 | return request("delete", url, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/api.py", line 59, in request
todoui-flask-1 | return session.request(method=method, url=url, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
todoui-flask-1 | resp = self.send(prep, **send_kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/requests/__init__.py", line 303, in instrumented_send
todoui-flask-1 | raise exception.with_traceback(exception.__traceback__)
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/opentelemetry/instrumentation/requests/__init__.py", line 221, in instrumented_send
todoui-flask-1 | result = wrapped_send(
todoui-flask-1 | ^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
todoui-flask-1 | r = adapter.send(request, **kwargs)
todoui-flask-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
todoui-flask-1 | File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 519, in send
todoui-flask-1 | raise ConnectionError(e, request=request)
todoui-flask-1 | requests.exceptions.ConnectionError: HTTPConnectionPool(host='todobackend-springboot', port=8080): Max retries exceeded with url: /todos/Sample (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7fffed3ae5d0>: Failed to establish a new connection: [Errno 111] Connection refused'))
todoui-flask-1 | INFO:werkzeug:_internal:172.18.0.4 - - [23/Jan/2025 09:58:05] "POST /delete HTTP/1.1" 500 -
loadgenerator-1 | % Total % Received % Xferd Average Speed Time Time Time Current
loadgenerator-1 | Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0* Host todoui-thymeleaf:8090 was resolved.
loadgenerator-1 | * IPv6: (none)
loadgenerator-1 | * IPv4: 172.18.0.5
loadgenerator-1 | * Trying 172.18.0.5:8090...
loadgenerator-1 | * Connected to todoui-thymeleaf (172.18.0.5) port 8090
loadgenerator-1 | > POST / HTTP/1.1
loadgenerator-1 | > Host: todoui-thymeleaf:8090
loadgenerator-1 | > User-Agent: curl/8.5.0
loadgenerator-1 | > Accept: */*
loadgenerator-1 | > Content-Length: 11
loadgenerator-1 | > Content-Type: application/x-www-form-urlencoded
loadgenerator-1 | >
loadgenerator-1 | } [11 bytes data]
otelcol-1 | 2025-01-23T09:58:05.884Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 2}
todoui-thymeleaf-1 | 2025-01-23 09:58:05.956 INFO 1 --- [nio-8090-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet'
todoui-thymeleaf-1 | 2025-01-23 09:58:05.956 INFO 1 --- [nio-8090-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'
todoui-thymeleaf-1 | 2025-01-23 09:58:05.961 INFO 1 --- [nio-8090-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 4 ms
todoui-thymeleaf-1 | 2025-01-23 09:58:06.084 INFO 1 --- [nio-8090-exec-1] io.novatec.todoui.TodouiApplication : POST http://todobackend-springboot:8080//todos/Sample
todoui-thymeleaf-1 | 2025-01-23 09:58:06.248 ERROR 1 --- [nio-8090-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.web.client.ResourceAccessException: I/O error on POST request for "http://todobackend-springboot:8080/todos/Sample": Connection refused; nested exception is java.net.ConnectException: Connection refused] with root cause
todoui-thymeleaf-1 |
todoui-thymeleaf-1 | java.net.ConnectException: Connection refused
todoui-thymeleaf-1 | at java.base/sun.nio.ch.Net.connect0(Native Method) ~[na:na]
todoui-thymeleaf-1 | at java.base/sun.nio.ch.Net.connect(Net.java:589) ~[na:na]
todoui-thymeleaf-1 | at java.base/sun.nio.ch.Net.connect(Net.java:578) ~[na:na]
todoui-thymeleaf-1 | at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:583) ~[na:na]
todoui-thymeleaf-1 | at java.base/java.net.Socket.connect(Socket.java:751) ~[na:na]
todoui-thymeleaf-1 | at java.base/java.net.Socket.connect(Socket.java:686) ~[na:na]
todoui-thymeleaf-1 | at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:183) ~[na:na]