tool:
  groovy:
    installations:
      - name: "Groovy1"
        home: "/bin/groovy"

May 17, 2019 11:51:05 AM jenkins.InitReactorRunner$1 onTaskFailed
SEVERE: Failed ConfigurationAsCode.init
java.lang.Error: java.lang.reflect.InvocationTargetException
        at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:110)
        at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:175)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296)
        at jenkins.model.Jenkins$5.runTask(Jenkins.java:1096)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:104)
        ... 8 more
Caused by: io.jenkins.plugins.casc.ConfiguratorException: tool: error configuring 'tool' with class io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator configurator
        at io.jenkins.plugins.casc.ConfigurationAsCode.invokeWith(ConfigurationAsCode.java:633)
        at io.jenkins.plugins.casc.ConfigurationAsCode.checkWith(ConfigurationAsCode.java:665)
        at io.jenkins.plugins.casc.ConfigurationAsCode.configureWith(ConfigurationAsCode.java:649)
        at io.jenkins.plugins.casc.ConfigurationAsCode.configureWith(ConfigurationAsCode.java:548)
        at io.jenkins.plugins.casc.ConfigurationAsCode.configure(ConfigurationAsCode.java:277)
        at io.jenkins.plugins.casc.ConfigurationAsCode.init(ConfigurationAsCode.java:269)
        ... 13 more
Caused by: io.jenkins.plugins.casc.ConfiguratorException: Invalid configuration elements for type class jenkins.tools.ToolConfigurationCategory : groovy.
Available attributes : ant, dockerTool, git, gradle, groovyInstallation, jdk, jgit, jgitapache, maven, mercurialInstallation, oc
        at io.jenkins.plugins.casc.BaseConfigurator.handleUnknown(BaseConfigurator.java:372)
        at io.jenkins.plugins.casc.BaseConfigurator.configure(BaseConfigurator.java:361)
        at io.jenkins.plugins.casc.BaseConfigurator.check(BaseConfigurator.java:282)
        at io.jenkins.plugins.casc.ConfigurationAsCode.lambda$checkWith$6(ConfigurationAsCode.java:665)
        at io.jenkins.plugins.casc.ConfigurationAsCode.invokeWith(ConfigurationAsCode.java:627)
        ... 18 more