Pipeline fails due to `hijack: Backend error`

Question

I'm following Stark & Wayne tutorial and got into a problem:

Pipeline fails with

hijack: Backend error: Exit status: 500, message {"Type":"","Message": "
runc exec: exit status 1: exec failed: container_linux.go:247:
starting container process caused \"exec format error\"\n","Handle":""}

I have one git resource and one job with one task:

- task: test
  file: resource-ci/ci/test.yml

test.yml file:

platform: linux

image_resource:
  type: docker-image
  source:
    repository: busybox
    tag: latest

inputs:
- name: resource-tool

run:
  path: resource-tool/scripts/deploy.sh

deploy.sh is simple dummy file with one echo command

echo [+] Testing in the process ...

So what could it be?

yes is here: https://stackoverflow.com/questions/50029181/how-run-concourse-task — Carlos Patricio Colin, Apr 25 '18 at 20:58

score 4 · Accepted Answer · answered Mar 15 '17 at 17:20

4

This error means that the shell it's trying to invoke in your script is unavailable on the container running your task.

Busybox doesn't come with bash, it only comes with /bin/sh, check the shebang in deploy.sh, making sure it looks like:

#!/bin/sh
# rest of script

answered Mar 15 '17 at 17:20

materialdesigner

1,492
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also chmod +x deploy.sh – Tito Mar 15 '17 at 21:38

score 0 · Answer 2 · answered Aug 25 '17 at 20:38

0

I also ran into this error when I forgot to add a ! at the top of my pipelines shell script:

#/bin/bash
# rest of script

answered Aug 25 '17 at 20:38

Alex Cohen

5,596
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54
104

Pipeline fails due to `hijack: Backend error`

2 Answers2

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