NoClassDefFoundError: org/yaml/snakeyaml/inspector/TagInspector -Bamboo 9.3.1

[jerry]

Hello Experts, I am getting the below error while generating a Plan for Mettleci. I am new to Bamboo and I trying to integrate Mettelci & Bamboo. My reference link

C:\Users\Administrator> mettleci deploy devops-pipeline -bamboo http://localhost:8085/ -username admin -password admin -source-repository mettleci -bamboo-shared-credentials bambooDS117v -plan-name Pla1 -plan-key PLA1 -datastage-install DataStagev117
(C) 2018-2020 Data Migrators Pty Ltd
2023-10-03 00:34:26,468 INFO [BambooServer] Publishing plan MCI-PLA1
Exception in thread "main" java.lang.RuntimeException: java.lang.NoClassDefFoundError: org/yaml/snakeyaml/inspector/TagInspector
at com.atlassian.bamboo.specs.util.IsolatedYamlizator.execute(IsolatedYamlizator.java:24)
at com.atlassian.bamboo.specs.util.BambooSpecSerializer.dump(BambooSpecSerializer.java:19)
at com.atlassian.bamboo.specs.util.BambooServer.publish(BambooServer.java:73)
at com.datamigrators.mettle.bamboo.commands.DevOpsPipelineCommand.execute(SourceFile:142)
at com.datamigrators.mettle.shell.Shell.executeCommand(Shell.java:170)
at com.datamigrators.mettle.shell.Shell.run(Shell.java:45)
at com.datamigrators.mettle.shell.MainClass.main(MainClass.java:162)
Caused by: java.lang.NoClassDefFoundError: org/yaml/snakeyaml/inspector/TagInspector
at com.atlassian.bamboo.specs.util.IsolatedYamlizator.lambda$static$0(IsolatedYamlizator.java:9)
at com.atlassian.bamboo.specs.util.IsolatedExecutor$1.run(IsolatedExecutor.java:50)
Caused by: java.lang.ClassNotFoundException: org.yaml.snakeyaml.inspector.TagInspector
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:476)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:594)
at java.base/java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:904)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:527)
... 2 more
PS C:\Users\Administrator>

[Nicolas Grossi]

@jerry welcome! Is this question still "active" ?

Nicolas