Also: org.jenkinsci.plugins.workflow.actions.ErrorAction$ErrorId: 18cc0710-bd7b-4011-a192-a79584dfdd9d java.lang.NoSuchMethodError: org.yaml.snakeyaml.constructor.SafeConstructor: method 'void <init>()' not found at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:256) at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:387) at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:353) at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:337) at io.fabric8.kubernetes.client.dsl.internal.OperationSupport.unmarshal(OperationSupport.java:753) at io.fabric8.kubernetes.client.dsl.internal.BaseOperation.load(BaseOperation.java:261) at io.fabric8.kubernetes.client.dsl.internal.BaseOperation.load(BaseOperation.java:93) at org.csanchez.jenkins.plugins.kubernetes.PodTemplateUtils.parseFromYaml(PodTemplateUtils.java:610) at org.csanchez.jenkins.plugins.kubernetes.PodTemplateUtils.validateYamlContainerNames(PodTemplateUtils.java:639) at org.csanchez.jenkins.plugins.kubernetes.PodTemplateUtils.validateYamlContainerNames(PodTemplateUtils.java:629) at org.csanchez.jenkins.plugins.kubernetes.pipeline.PodTemplateStepExecution.start(PodTemplateStepExecution.java:145) at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:322) at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:196) at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:47) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at com.cloudbees.groovy.cps.sandbox.DefaultInvoker.methodCall(DefaultInvoker.java:20)