Question 82517 in Docker Question posted in
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unable to start container process: exec: "mvnw": executable file not found in $PATH: unknown – Docker

This is my source code https://github.com/donhuvy/springboot-docker . I follow guide at tutorial video https://www.youtube.com/watch?v=7BCtc9cAS6o . File Dockerfile

# syntax=docker/dockerfile:1
#Which "official Java image" ?
FROM openjdk:oraclelinux8
#working directory
WORKDIR /app
#copy from your Host(PC, laptop) to container
COPY .mvn/ .mvn
COPY mvnw pom.xml ./
#Run this inside the image
RUN ./mvnw dependency:go-offline
COPY src ./src
#run inside container
CMD [ "mvnw", "spring-boot:run" ]

Log

C:Usersdonhu>docker pull donhuvy/springboot-docker:v1.0.0
v1.0.0: Pulling from donhuvy/springboot-docker
e54b73e95ef3: Pull complete
e6e62647f09f: Pull complete
da8e06a8884e: Pull complete
d8cbf9b4e6de: Pull complete
9971eb650313: Pull complete
366b24bf882f: Pull complete
35b5c085babf: Pull complete
b51a76bbfa65: Pull complete
Digest: sha256:f637c16c3b2a930d048e95f89f2a7aa53754f349e08e0c5a86398c5481eb07f1
Status: Downloaded newer image for donhuvy/springboot-docker:v1.0.0
docker.io/donhuvy/springboot-docker:v1.0.0

C:Usersdonhu>docker run donhuvy/springboot-docker:v1.0.0
docker: Error response from daemon: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: exec: "mvnw": executable file not found in $PATH: unknown.

C:Usersdonhu>

How to fix it?

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3

Answers


  1. 0

    add springboot-docker dir to your $PATH variable.

    basically the shell is not able to find the mvnw command, it looks for all the locations in the $PATH var. since your mvnw binary is located in your project dir you need to add it.

    if this was in a linux environment it would be done like this
    export PATH=$PATH:./springboot-docker

    for windows you can search online how this can be edited.

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  2. 0

    Change CMD [ "mvnw", "spring-boot:run" ] to CMD [ "./mvnw", "spring-boot:run" ]

    When your docker want to execute command mvnw springboot:run, it needs to find file mvnw in environment $PATH， but find none.

    Change mvnw to ./mvnw which will tell docker to execute the mvnw file in current work directory(where you have copied mvnw before).

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  3. 0

    it’s a permission problem, common on linux docker compose.
    In my case it worked when I REMOVED sudo.

    i.e

    docker-compose up instead of sudo docker-compose up

    you can also try adding sudo chmod -R a+rwx to the working directory in Dockerfile

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