I have a problem. I checking my database connection, and i was using this application on my localhost, and it was okay. but when i deploy this web application, i always facing 502 error. i was tried modify security group and etc, but it never work. and i get a some last 100 line log message from elastic beanstalk log, so if you can solve problem, plz help me. thank you.
this is the log.
enter code here ----------------------------------------
/var/log/nginx/error.log
----------------------------------------
2021/01/06 07:23:24 [error] 3544#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 222.108.35.81, server: , request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:5000/", host: "couponservice-env.eba-7apfigmx.ap-northeast-2.elasticbeanstalk.com"
2021/01/06 07:23:24 [error] 3544#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 222.108.35.81, server: , request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:5000/favicon.ico", host: "couponservice-env.eba-7apfigmx.ap-northeast-2.elasticbeanstalk.com", referrer: "http://couponservice-env.eba-7apfigmx.ap-northeast-2.elasticbeanstalk.com/"
2021/01/06 07:24:50 [error] 3544#0: *5 connect() failed (111: Connection refused) while connecting to upstream, client: 222.108.35.81, server: , request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:5000/", host: "couponservice-env.eba-7apfigmx.ap-northeast-2.elasticbeanstalk.com"
2021/01/06 07:24:50 [error] 3544#0: *5 connect() failed (111: Connection refused) while connecting to upstream, client: 222.108.35.81, server: , request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:5000/favicon.ico", host: "couponservice-env.eba-7apfigmx.ap-northeast-2.elasticbeanstalk.com", referrer: "http://couponservice-env.eba-7apfigmx.ap-northeast-2.elasticbeanstalk.com/"
2021/01/06 07:25:11 [error] 3544#0: *9 connect() failed (111: Connection refused) while connecting to upstream, client: 222.108.35.81, server: , request: "POST /couponapi/coupons HTTP/1.1", upstream: "http://127.0.0.1:5000/couponapi/coupons", host: "couponservice-env.eba-7apfigmx.ap-northeast-2.elasticbeanstalk.com"
----------------------------------------
/var/log/eb-engine.log
----------------------------------------
2021/01/06 07:21:09.211870 [INFO] Running command /bin/sh -c systemctl show -p PartOf healthd.service
2021/01/06 07:21:09.216802 [INFO] Running command /bin/sh -c systemctl is-active healthd.service
2021/01/06 07:21:09.220123 [INFO] Running command /bin/sh -c systemctl start healthd.service
2021/01/06 07:21:09.259532 [INFO] Copying file /opt/elasticbeanstalk/config/private/healthd/healthd_logformat.conf to /var/proxy/staging/nginx/conf.d/healthd_logformat.conf
2021/01/06 07:21:09.260732 [INFO] Copying file /opt/elasticbeanstalk/config/private/healthd/healthd_nginx.conf to /var/proxy/staging/nginx/conf.d/elasticbeanstalk/healthd.conf
2021/01/06 07:21:09.262012 [INFO] Executing instruction: configure log streaming
2021/01/06 07:21:09.262023 [INFO] log streaming is not enabled
2021/01/06 07:21:09.262027 [INFO] disable log stream
2021/01/06 07:21:09.262046 [INFO] Running command /bin/sh -c systemctl show -p PartOf amazon-cloudwatch-agent.service
2021/01/06 07:21:09.270643 [INFO] Running command /bin/sh -c systemctl stop amazon-cloudwatch-agent.service
2021/01/06 07:21:09.281164 [INFO] Executing instruction: GetToggleForceRotate
2021/01/06 07:21:09.281181 [INFO] Checking if logs need forced rotation
2021/01/06 07:21:09.281203 [INFO] Running command /bin/sh -c /opt/aws/bin/cfn-get-metadata -s arn:aws:cloudformation:ap-northeast-2:908803455527:stack/awseb-e-parj2s23pb-stack/810a0e30-4fef-11eb-ab7d-02ea5112e8c2 -r AWSEBAutoScalingGroup --region ap-northeast-2
2021/01/06 07:21:09.852882 [INFO] Running command /bin/sh -c /opt/aws/bin/cfn-get-metadata -s arn:aws:cloudformation:ap-northeast-2:908803455527:stack/awseb-e-parj2s23pb-stack/810a0e30-4fef-11eb-ab7d-02ea5112e8c2 -r AWSEBBeanstalkMetadata --region ap-northeast-2
2021/01/06 07:21:10.418675 [INFO] Generating rsyslog config from Procfile
2021/01/06 07:21:10.420226 [INFO] Running command /bin/sh -c systemctl restart rsyslog.service
2021/01/06 07:21:10.437082 [INFO] Executing instruction: PostBuildEbExtension
2021/01/06 07:21:10.437101 [INFO] Starting executing the config set Infra-EmbeddedPostBuild.
2021/01/06 07:21:10.437120 [INFO] Running command /bin/sh -c /opt/aws/bin/cfn-init -s arn:aws:cloudformation:ap-northeast-2:908803455527:stack/awseb-e-parj2s23pb-stack/810a0e30-4fef-11eb-ab7d-02ea5112e8c2 -r AWSEBAutoScalingGroup --region ap-northeast-2 --configsets Infra-EmbeddedPostBuild
2021/01/06 07:21:10.805240 [INFO] Finished executing the config set Infra-EmbeddedPostBuild.
2021/01/06 07:21:10.805258 [INFO] Executing instruction: CleanEbExtensions
2021/01/06 07:21:10.805287 [INFO] Cleaned ebextensions subdirectories from app staging directory.
2021/01/06 07:21:10.805292 [INFO] Executing instruction: RunAppDeployPreDeployHooks
2021/01/06 07:21:10.805300 [INFO] The dir .platform/hooks/predeploy/ does not exist in the application. Skipping this step...
2021/01/06 07:21:10.805316 [INFO] Executing instruction: stop X-Ray
2021/01/06 07:21:10.805320 [INFO] stop X-Ray ...
2021/01/06 07:21:10.805343 [INFO] Running command /bin/sh -c systemctl show -p PartOf xray.service
2021/01/06 07:21:10.811931 [WARN] stopProcess Warning: process xray is not registered
2021/01/06 07:21:10.811961 [INFO] Running command /bin/sh -c systemctl stop xray.service
2021/01/06 07:21:10.819094 [INFO] Executing instruction: stop proxy
2021/01/06 07:21:10.819116 [INFO] Running command /bin/sh -c systemctl show -p PartOf httpd.service
2021/01/06 07:21:10.823306 [WARN] deregisterProcess Warning: process httpd is not registered, skipping...
2021/01/06 07:21:10.823337 [INFO] Running command /bin/sh -c systemctl show -p PartOf nginx.service
2021/01/06 07:21:10.829206 [WARN] deregisterProcess Warning: process nginx is not registered, skipping...
2021/01/06 07:21:10.829230 [INFO] Executing instruction: FlipApplication
2021/01/06 07:21:10.829235 [INFO] Fetching environment variables...
2021/01/06 07:21:10.829325 [INFO] Purge old process...
2021/01/06 07:21:10.829370 [INFO] Register application processes...
2021/01/06 07:21:10.829376 [INFO] Registering the proc: web
2021/01/06 07:21:10.829389 [INFO] Running command /bin/sh -c systemctl show -p PartOf web.service
2021/01/06 07:21:10.835429 [INFO] Running command /bin/sh -c systemctl daemon-reload
2021/01/06 07:21:10.908738 [INFO] Running command /bin/sh -c systemctl reset-failed
2021/01/06 07:21:10.912741 [INFO] Running command /bin/sh -c systemctl is-enabled eb-app.target
2021/01/06 07:21:10.916222 [INFO] Copying file /opt/elasticbeanstalk/config/private/aws-eb.target to /etc/systemd/system/eb-app.target
2021/01/06 07:21:10.917734 [INFO] Running command /bin/sh -c systemctl enable eb-app.target
2021/01/06 07:21:11.000983 [INFO] Running command /bin/sh -c systemctl start eb-app.target
2021/01/06 07:21:11.006200 [INFO] Running command /bin/sh -c systemctl enable web.service
2021/01/06 07:21:11.093044 [INFO] Running command /bin/sh -c systemctl show -p PartOf web.service
2021/01/06 07:21:11.097989 [INFO] Running command /bin/sh -c systemctl is-active web.service
2021/01/06 07:21:11.101314 [INFO] Running command /bin/sh -c systemctl start web.service
2021/01/06 07:21:11.115896 [INFO] Executing instruction: start X-Ray
2021/01/06 07:21:11.115910 [INFO] X-Ray is not enabled.
2021/01/06 07:21:11.115915 [INFO] Executing instruction: start proxy with new configuration
2021/01/06 07:21:11.115939 [INFO] Running command /bin/sh -c /usr/sbin/nginx -t -c /var/proxy/staging/nginx/nginx.conf
2021/01/06 07:21:11.136081 [INFO] Running command /bin/sh -c cp -rp /var/proxy/staging/nginx/* /etc/nginx
2021/01/06 07:21:11.139384 [INFO] Running command /bin/sh -c systemctl show -p PartOf nginx.service
2021/01/06 07:21:11.147234 [INFO] Running command /bin/sh -c systemctl daemon-reload
2021/01/06 07:21:11.235279 [INFO] Running command /bin/sh -c systemctl reset-failed
2021/01/06 07:21:11.244986 [INFO] Running command /bin/sh -c systemctl show -p PartOf nginx.service
2021/01/06 07:21:11.254903 [INFO] Running command /bin/sh -c systemctl is-active nginx.service
2021/01/06 07:21:11.262544 [INFO] Running command /bin/sh -c systemctl start nginx.service
2021/01/06 07:21:11.344371 [INFO] Executing instruction: configureSqsd
2021/01/06 07:21:11.344388 [INFO] This is a web server environment instance, skip configure sqsd daemon ...
2021/01/06 07:21:11.344393 [INFO] Executing instruction: startSqsd
2021/01/06 07:21:11.344397 [INFO] This is a web server environment instance, skip start sqsd daemon ...
2021/01/06 07:21:11.344401 [INFO] Executing instruction: Track pids in healthd
2021/01/06 07:21:11.344405 [INFO] This is an enhanced health env...
2021/01/06 07:21:11.344424 [INFO] Running command /bin/sh -c systemctl show -p ConsistsOf aws-eb.target | cut -d= -f2
2021/01/06 07:21:11.359446 [INFO] cfn-hup.service healthd.service nginx.service
2021/01/06 07:21:11.359494 [INFO] Running command /bin/sh -c systemctl show -p ConsistsOf eb-app.target | cut -d= -f2
2021/01/06 07:21:11.378785 [INFO] web.service
2021/01/06 07:21:11.378913 [INFO] Executing instruction: RunAppDeployPostDeployHooks
2021/01/06 07:21:11.378925 [INFO] The dir .platform/hooks/postdeploy/ does not exist in the application. Skipping this step...
2021/01/06 07:21:11.378930 [INFO] Executing cleanup logic
2021/01/06 07:21:11.379030 [INFO] CommandService Response: {"status":"SUCCESS","api_version":"1.0","results":[{"status":"SUCCESS","msg":"Engine execution has succeeded.","returncode":0,"events":[{"msg":"Instance deployment successfully detected a JAR file in your source bundle.","timestamp":1609917668,"severity":"INFO"},{"msg":"Instance deployment successfully generated a 'Procfile'.","timestamp":1609917668,"severity":"INFO"},{"msg":"Instance deployment completed successfully.","timestamp":1609917671,"severity":"INFO"}]}]}
2021/01/06 07:21:11.379165 [INFO] Platform Engine finished execution on command: app-deploy
2021/01/06 07:25:23.304531 [INFO] Starting...
2021/01/06 07:25:23.304584 [INFO] Starting EBPlatform-PlatformEngine
2021/01/06 07:25:23.304608 [INFO] reading event message file
2021/01/06 07:25:23.304721 [INFO] no eb envtier info file found, skip loading env tier info.
2021/01/06 07:25:23.304787 [INFO] Engine received EB command cfn-hup-exec
2021/01/06 07:25:23.422026 [INFO] Running command /bin/sh -c /opt/aws/bin/cfn-get-metadata -s arn:aws:cloudformation:ap-northeast-2:908803455527:stack/awseb-e-parj2s23pb-stack/810a0e30-4fef-11eb-ab7d-02ea5112e8c2 -r AWSEBAutoScalingGroup --region ap-northeast-2
2021/01/06 07:25:24.160493 [INFO] Running command /bin/sh -c /opt/aws/bin/cfn-get-metadata -s arn:aws:cloudformation:ap-northeast-2:908803455527:stack/awseb-e-parj2s23pb-stack/810a0e30-4fef-11eb-ab7d-02ea5112e8c2 -r AWSEBBeanstalkMetadata --region ap-northeast-2
2021/01/06 07:25:24.503333 [INFO] checking whether command tail-log is applicable to this instance...
2021/01/06 07:25:24.503346 [INFO] this command is applicable to the instance, thus instance should execute command
2021/01/06 07:25:24.503350 [INFO] Engine command: (tail-log)
2021/01/06 07:25:24.503401 [INFO] Executing instruction: GetTailLogs
2021/01/06 07:25:24.503406 [INFO] Tail Logs...
2021/0
