[GH-ISSUE #487] `act` unhandled panic #335

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opened 2026-03-01 21:42:27 +03:00 by kerem · 1 comment

kerem commented

2026-03-01 21:42:27 +03:00

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Originally created by @catthehacker on GitHub (Jan 18, 2021).
Original GitHub issue: https://github.com/nektos/act/issues/487

Did not found yet where or why it does that, but it would be good to show proper error instead of panic

name: workflow
on:
  workflow_dispatch:

jobs:
  job-test:
    strategy:
      fail-fast: false
      matrix:
        container: [foo]
    runs-on: ubuntu-latest
    steps:
      - name: step-in-job
        with:
          args: ${{ matrix.container }}

Panic error

  panic: runtime error: index out of range [1] with length 0
  
  goroutine 50 [running]:
  github.com/nektos/act/pkg/runner.newRemoteAction(0x0, 0x0, 0x0)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/step_context.go:399 +0x1b9
  github.com/nektos/act/pkg/runner.(*githubContext).isLocalCheckout(0xc0005b23c0, 0xc000416480, 0x8)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/run_context.go:508 +0x65
  github.com/nektos/act/pkg/runner.(*RunContext).localCheckoutPath(0xc0004165a0, 0xc000005fe0, 0xc0005ca520, 0x17)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/run_context.go:596 +0xca
  github.com/nektos/act/pkg/runner.(*RunContext).startJobContainer.func1(0x134be20, 0xc0004a6660, 0x0, 0x0)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/run_context.go:114 +0xe96
  github.com/nektos/act/pkg/common.Executor.Then.func1(0x134be20, 0xc0004a6660, 0xc000493560, 0xc0005ede18)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:146 +0x189
  github.com/nektos/act/pkg/common.Executor.Then.func1(0x134be20, 0xc0004a6660, 0xc00022efc0, 0xc0004934d0)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:133 +0x53
  github.com/nektos/act/pkg/common.Executor.Then.func1(0x134be20, 0xc0004a6660, 0x1, 0x1816b60)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:133 +0x53
  github.com/nektos/act/pkg/common.Executor.If.func1(0x134be20, 0xc0004a6660, 0xc0005ca340, 0x13)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:154 +0x71
  github.com/nektos/act/pkg/runner.(*runnerImpl).NewPlanExecutor.func1(0x134be20, 0xc0003facf0, 0xc000005ce0, 0xc0004d7f70)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/runner.go:79 +0x244
  github.com/nektos/act/pkg/common.Executor.ChannelError.func1(0x134be20, 0xc0003facf0, 0xc000005ce0, 0x0)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:125 +0x4c
  github.com/nektos/act/pkg/common.NewParallelExecutor.func1.1(0xc000005ca0, 0xc00003b5c0, 0x134be20, 0xc0003facf0)
          C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:101 +0x62
  created by github.com/nektos/act/pkg/common.NewParallelExecutor.func1
          C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:100 +0xbe

Originally created by @catthehacker on GitHub (Jan 18, 2021). Original GitHub issue: https://github.com/nektos/act/issues/487 Did not found yet where or why it does that, but it would be good to show proper error instead of panic ```yaml name: workflow on: workflow_dispatch: jobs: job-test: strategy: fail-fast: false matrix: container: [foo] runs-on: ubuntu-latest steps: - name: step-in-job with: args: ${{ matrix.container }} ``` <details> <summary>Panic error</summary> panic: runtime error: index out of range [1] with length 0 goroutine 50 [running]: github.com/nektos/act/pkg/runner.newRemoteAction(0x0, 0x0, 0x0) C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/step_context.go:399 +0x1b9 github.com/nektos/act/pkg/runner.(*githubContext).isLocalCheckout(0xc0005b23c0, 0xc000416480, 0x8) C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/run_context.go:508 +0x65 github.com/nektos/act/pkg/runner.(*RunContext).localCheckoutPath(0xc0004165a0, 0xc000005fe0, 0xc0005ca520, 0x17) C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/run_context.go:596 +0xca github.com/nektos/act/pkg/runner.(*RunContext).startJobContainer.func1(0x134be20, 0xc0004a6660, 0x0, 0x0) C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/run_context.go:114 +0xe96 github.com/nektos/act/pkg/common.Executor.Then.func1(0x134be20, 0xc0004a6660, 0xc000493560, 0xc0005ede18) C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:146 +0x189 github.com/nektos/act/pkg/common.Executor.Then.func1(0x134be20, 0xc0004a6660, 0xc00022efc0, 0xc0004934d0) C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:133 +0x53 github.com/nektos/act/pkg/common.Executor.Then.func1(0x134be20, 0xc0004a6660, 0x1, 0x1816b60) C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:133 +0x53 github.com/nektos/act/pkg/common.Executor.If.func1(0x134be20, 0xc0004a6660, 0xc0005ca340, 0x13) C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:154 +0x71 github.com/nektos/act/pkg/runner.(*runnerImpl).NewPlanExecutor.func1(0x134be20, 0xc0003facf0, 0xc000005ce0, 0xc0004d7f70) C:/Users/cat/go/src/github.com/nektos/act/pkg/runner/runner.go:79 +0x244 github.com/nektos/act/pkg/common.Executor.ChannelError.func1(0x134be20, 0xc0003facf0, 0xc000005ce0, 0x0) C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:125 +0x4c github.com/nektos/act/pkg/common.NewParallelExecutor.func1.1(0xc000005ca0, 0xc00003b5c0, 0x134be20, 0xc0003facf0) C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:101 +0x62 created by github.com/nektos/act/pkg/common.NewParallelExecutor.func1 C:/Users/cat/go/src/github.com/nektos/act/pkg/common/executor.go:100 +0xbe </details>

kerem closed this issue

2026-03-01 21:42:28 +03:00

kerem commented

2026-03-01 21:42:28 +03:00

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@lufia commented on GitHub (Jan 21, 2021):

Related to #402

@lufia commented on GitHub (Jan 21, 2021): Related to #402

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[GH-ISSUE #487] act unhandled panic #335

[GH-ISSUE #487] `act` unhandled panic #335