Problems getting started - Failed to execute goal add-license-notice

Describe the issue

I am trying to build and test the source on a new machine as follows:

$ sudo yum install java-1.8.0-openjdk
$ sudo yum install maven
$ git clone https://github.com/OliverGavin/aws-sdk-java-v2.git
cd aws-sdk-java-v2
mvn package

System info:

$ mvn -v
Apache Maven 3.0.5 (Red Hat 3.0.5-17)
Maven home: /usr/share/maven
Java version: 1.8.0_312, vendor: Red Hat, Inc.
Java home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.312.b07-1.amzn2.0.2.x86_64/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.4.196-119.356.amzn2int.x86_64", arch: "amd64", family: "unix"

With mvn compile (also install and package) I am getting this error:

[INFO] ------------------------------------------------------------------------
[INFO] Building AWS Java SDK :: Parent 2.17.232-SNAPSHOT                
[INFO] ------------------------------------------------------------------------
[INFO]                                                            
[INFO] --- maven-checkstyle-plugin:3.1.2:check (checkstyle) @ aws-sdk-java-pom ---
[INFO] Starting audit...                                          
Audit done.                                                       
[INFO] You have 0 Checkstyle violations.                          
[INFO]                                                             
[INFO] --- jacoco-maven-plugin:0.8.7:prepare-agent (default-prepare-agent) @ aws-sdk-java-pom ---
[INFO] argLine set to -javaagent:/home/oligavin/.m2/repository/org/jacoco/org.jacoco.agent/0.8.7/org.jacoco.agent-0.8.7-runtime.jar=destfile=/workplace/oligavin/external/aws-sdk-java-v2/target/jacoco.exec,excludes=software/amazon/awssdk/modulepath/tests/**/*.class:software/amazon/awssdk/nativeimage
test/**/*.class:software/amazon/awssdk/testutils/service/**/*.class:**/*Benchmark.class
[INFO]                                                                 
[INFO] --- build-helper-maven-plugin:3.3.0:add-test-source (add-integ-sources) @ aws-sdk-java-pom ---
[INFO] Test Source directory: /workplace/oligavin/external/aws-sdk-java-v2/src/it/java added.
[INFO]                                                                
[INFO] --- build-helper-maven-plugin:3.3.0:add-test-resource (add-integ-resources) @ aws-sdk-java-pom ---                                                                                                                                                                                                 
[INFO]                                                                
[INFO] --- build-helper-maven-plugin:3.3.0:add-source (add-generated-sources) @ aws-sdk-java-pom ---
[INFO] Source directory: /workplace/oligavin/external/aws-sdk-java-v2/target/generated-sources/sdk added.
[INFO]                                                                
[INFO] --- build-helper-maven-plugin:3.3.0:add-resource (add-license-notice) @ aws-sdk-java-pom ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:                                           
[INFO]                                                            
[INFO] AWS Java SDK :: Build Tools ....................... SUCCESS [0.366s]
[INFO] AWS Java SDK :: Parent ............................ FAILURE [0.920s]                                                                                                                                                                                                                               
[INFO] AWS Java SDK :: Core .............................. SKIPPED
[INFO] AWS Java SDK :: Annotations ....................... SKIPPED
[INFO] AWS Java SDK :: Utilities ......................... SKIPPED
...
...
...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.652s
[INFO] Finished at: Wed Jul 13 19:51:05 UTC 2022
[INFO] Final Memory: 87M/1233M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:build-helper-maven-plugin:3.3.0:add-resource (add-license-notice) on project aws-sdk-java-pom: Execution add-license-notice of goal org.codehaus.mojo:build-helper-maven-plugin:3.3.0:add-resource failed. NullPointerException -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :aws-sdk-java-pom

I am following these steps: https://github.com/aws/aws-sdk-java-v2/blob/master/docs/GettingStarted.md

What am I doing wrong here?

Links

https://github.com/aws/aws-sdk-java-v2/blob/master/docs/GettingStarted.md

[debora-ito]

Thank you for the help @maciejwalkowiak. We should update our instructions to use ./mvnw.

@OliverGavin let us know if you have any further questions.

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