[CI][C++] JNI jobs build nothing

[kou]

Describe the bug, including details regarding any error messages, version, and platform.

https://github.com/apache/arrow/actions/runs/18845935319/job/53769991556?pr=47958#step:6:96

  #19 resolving provenance for metadata file
  #19 DONE 0.0s
   cpp-jni  Built
time="2025-10-27T15:16:05Z" level=warning msg="The \"PYTHON_PATCH_VERSION\" variable is not set. Defaulting to a blank string."
time="2025-10-27T15:16:05Z" level=warning msg="The \"PYTHON_PATCH_VERSION\" variable is not set. Defaulting to a blank string."
 Network arrow_default  Creating
 Network arrow_default  Created
 Volume "arm64v8-cpp-jni-ccache"  Creating
 Volume "arm64v8-cpp-jni-ccache"  Created
bash: cannot set terminal process group (-1): Inappropriate ioctl for device
bash: no job control in this shell

It seems that

arrow/docker-compose.yml

Line 798 in 08b3cc9

command: *cpp-command

isn't used.

Component(s)

Continuous Integration, C++