import jenkins.model.*
import org.jfrog.*
  import org.jfrog.hudson.*
  import org.jfrog.hudson.util.Credentials;

  def inst = Jenkins.getInstance()

  def desc = inst.getDescriptor("org.jfrog.hudson.ArtifactoryBuilder")

  def deployerCredentials = new Credentials("admin", "password")
  def resolverCredentials = new Credentials("", "")

  def sinst = [new ArtifactoryServer(
  "server-id",
  "http://localhost:8081/artifactory",
  deployerCredentials,
  resolverCredentials,
  300,
  false,
  false,
  false,
  1)
  ]
  desc.setArtifactoryServers(sinst)
  desc.save()

groovy.lang.GroovyRuntimeException: Could not find matching constructor for: org.jfrog.hudson.CredentialsConfig(java.lang.String, java.lang.String)
at groovy.lang.MetaClassImpl.invokeConstructor(MetaClassImpl.java:1732)
at groovy.lang.MetaClassImpl.invokeConstructor(MetaClassImpl.java:1532)
at org.codehaus.groovy.runtime.callsite.MetaClassConstructorSite.callConstructor(MetaClassConstructorSite.java:49)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:60)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:235)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:255)
at Script1.run(Script1.groovy:17)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:585)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:623)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:594)
at hudson.util.RemotingDiagnostics$Script.call(RemotingDiagnostics.java:142)
at hudson.util.RemotingDiagnostics$Script.call(RemotingDiagnostics.java:114)
at hudson.remoting.LocalChannel.call(LocalChannel.java:45)
at hudson.util.RemotingDiagnostics.executeGroovy(RemotingDiagnostics.java:111)
at jenkins.model.Jenkins._doScript(Jenkins.java:4350)
at jenkins.model.Jenkins.doScriptText(Jenkins.java:4328)
at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:343)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:184)
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:117)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:129)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:715)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
at org.kohsuke.stapler.Stapler.service(Stapler.java:238)