I met this build problem, when use order "mvn clean install -Prelease" to build this proj

[panda66666666]

[INFO] Not executing Javadoc as the project is not a Java classpath-capable package [INFO] [INFO] --- maven-gpg-plugin:1.6:sign (default) @ EasyRPC --- Downloading from central: https://repo.maven.apache.org/maven2/org/codehaus/plexus/plexus-utils/3.0.20/plexus-utils-3.0.20.pom Downloaded from central: https://repo.maven.apache.org/maven2/org/codehaus/plexus/plexus-utils/3.0.20/plexus-utils-3.0.20.pom (3.8 kB at 1.4 kB/s) Downloading from central: https://repo.maven.apache.org/maven2/org/sonatype/plexus/plexus-sec-dispatcher/1.4/plexus-sec-dispatcher-1.4.pom Downloaded from central: https://repo.maven.apache.org/maven2/org/sonatype/plexus/plexus-sec-dispatcher/1.4/plexus-sec-dispatcher-1.4.pom (3.0 kB at 2.7 kB/s) Downloading from central: https://repo.maven.apache.org/maven2/org/codehaus/plexus/plexus-utils/3.0.20/plexus-utils-3.0.20.jar Downloading from central: https://repo.maven.apache.org/maven2/org/sonatype/plexus/plexus-sec-dispatcher/1.4/plexus-sec-dispatcher-1.4.jar Downloaded from central: https://repo.maven.apache.org/maven2/org/sonatype/plexus/plexus-sec-dispatcher/1.4/plexus-sec-dispatcher-1.4.jar (28 kB at 12 kB/s) Downloaded from central: https://repo.maven.apache.org/maven2/org/codehaus/plexus/plexus-utils/3.0.20/plexus-utils-3.0.20.jar (243 kB at 15 kB/s) gpg: directory '/home/panda/.gnupg' created gpg: keybox '/home/panda/.gnupg/pubring.kbx' created gpg: no default secret key: No secret key gpg: signing failed: No secret key [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary for EasyRPC 0.0.1: [INFO] [INFO] EasyRPC ............................................ FAILURE [04:46 min] [INFO] EasyRpcClient ...................................... SKIPPED [INFO] EasyRpcServer ...................................... SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 04:46 min [INFO] Finished at: 2024-04-28T14:26:19Z [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-gpg-plugin:1.6:sign (default) on project EasyRPC: Exit code: 2 -> [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/MojoExecutionException