euannliu opened a new issue, #23647:
URL: https://github.com/apache/beam/issues/23647
I'm getting an error initializing Apache Beam for my Go service deployed to
kubernetes. The error in question is:
```panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0xb94949]
goroutine 1 [running]:
github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime/xlangx/expansionx.newJarGetter()
/go/src/groups/vendor/github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime/xlangx/expansionx/download.go:50
+0x29
github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime/xlangx/expansionx.init()
/go/src/groups/vendor/github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime/xlangx/expansionx/download.go:40
+0x17
```
Looking at the code, it seems like the culprit is `usr` in
```
cacheDir := filepath.Join(usr.HomeDir, jarCache[2:])
```
I am wondering if there is a potential bug or problem with `usr, _ :=
user.Current()` in the line before.
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