webapp container hangs on startup with no error message #646

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dboreham · 2023-11-14T15:26:08Z

dboreham commented

2023-11-14 15:26:08 +00:00

If something goes wrong in /scripts/start-serving-app.sh it seems that the script can hang forever with no error output to any log that could be fed back to the user/admin.

In the case I found, it looks like:

root@7396c0856834:/app# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 14:56 ?        00:00:00 bash /scripts/start-serving-app.sh
root       639     1  0 14:56 ?        00:00:00 tail -n0 -f gen.out
root       640     1  0 14:56 ?        00:00:00 sed /rendered as static HTML/ q
root      1007     0  0 14:58 pts/0    00:00:00 bash
root      1014  1007  0 14:59 pts/0    00:00:00 ps -ef

and:

# cat gen.out

> igloo-home@0.1.0 cerc_generate
> next experimental-generate

- info Linting and checking validity of types...
- info Collecting page data...
unhandledRejection /app/.next/server/chunks/535.js:428
const ALCHEMY_GOERLI_API_KEY = ""aomycOzhlRfNZEtNlZZoE0FAwbYMdlZ5"";
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

SyntaxError: Unexpected identifier 'aomycOzhlRfNZEtNlZZoE0FAwbYMdlZ5'
    at internalCompileFunction (node:internal/vm:73:18)
    at wrapSafe (node:internal/modules/cjs/loader:1153:20)
    at Module._compile (node:internal/modules/cjs/loader:1205:27)
    at Module._extensions..js (node:internal/modules/cjs/loader:1295:10)
    at Module.load (node:internal/modules/cjs/loader:1091:32)
    at Module._load (node:internal/modules/cjs/loader:938:12)
    at Module.require (node:internal/modules/cjs/loader:1115:19)
    at require (node:internal/modules/helpers:130:18)
    at __webpack_require__.f.require (/app/.next/server/webpack-runtime.js:212:28)
    at /app/.next/server/webpack-runtime.js:139:40 {
  type: 'SyntaxError'
}

But that error log output is not sent to stdout for the container.

If something goes wrong in `/scripts/start-serving-app.sh` it seems that the script can hang forever with no error output to any log that could be fed back to the user/admin. In the case I found, it looks like: ``` root@7396c0856834:/app# ps -ef UID PID PPID C STIME TTY TIME CMD root 1 0 0 14:56 ? 00:00:00 bash /scripts/start-serving-app.sh root 639 1 0 14:56 ? 00:00:00 tail -n0 -f gen.out root 640 1 0 14:56 ? 00:00:00 sed /rendered as static HTML/ q root 1007 0 0 14:58 pts/0 00:00:00 bash root 1014 1007 0 14:59 pts/0 00:00:00 ps -ef ``` and: ``` # cat gen.out > igloo-home@0.1.0 cerc_generate > next experimental-generate - info Linting and checking validity of types... - info Collecting page data... unhandledRejection /app/.next/server/chunks/535.js:428 const ALCHEMY_GOERLI_API_KEY = ""aomycOzhlRfNZEtNlZZoE0FAwbYMdlZ5""; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SyntaxError: Unexpected identifier 'aomycOzhlRfNZEtNlZZoE0FAwbYMdlZ5' at internalCompileFunction (node:internal/vm:73:18) at wrapSafe (node:internal/modules/cjs/loader:1153:20) at Module._compile (node:internal/modules/cjs/loader:1205:27) at Module._extensions..js (node:internal/modules/cjs/loader:1295:10) at Module.load (node:internal/modules/cjs/loader:1091:32) at Module._load (node:internal/modules/cjs/loader:938:12) at Module.require (node:internal/modules/cjs/loader:1115:19) at require (node:internal/modules/helpers:130:18) at __webpack_require__.f.require (/app/.next/server/webpack-runtime.js:212:28) at /app/.next/server/webpack-runtime.js:139:40 { type: 'SyntaxError' } ``` But that error log output is not sent to stdout for the container.

dboreham commented

2023-11-14 15:28:35 +00:00

To reproduce this, run the iglootools container supplying the standard .env file without editing to remove quotes.

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Reference: cerc-io/stack-orchestrator#646