привет, ребята, не могли бы вы помочь мне с ошибкой ниже (не удается установить Дженкинс на Windows)

к вашему сведению: я установил jenkins из -> mirrors.jenkins.io/war я установил 1.454 в windows 

INFO: Winstone shutdown successfully
←[31mMar 01, 2018 12:11:00 PM winstone.Logger logInternal
SEVERE: Container startup failed
java.io.IOException: Failed to start a listener: winstone.HttpListener
        at winstone.Launcher.spawnListener(Launcher.java:229)
        at winstone.Launcher.<init>(Launcher.java:181)
        at winstone.Launcher.main(Launcher.java:384)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at Main._main(Main.java:273)
        at Main.main(Main.java:98)
Caused by: java.io.IOException: Failed to listen on port 8081
        at winstone.HttpListener.getServerSocket(HttpListener.java:119)
        at winstone.HttpListener.start(HttpListener.java:72)
        at winstone.Launcher.spawnListener(Launcher.java:220)
        ... 8 more
Caused by: java.net.BindException: Address already in use: JVM_Bind
        at java.net.DualStackPlainSocketImpl.bind0(Native Method)
        at java.net.DualStackPlainSocketImpl.socketBind(Unknown Source)
        at java.net.AbstractPlainSocketImpl.bind(Unknown Source)
        at java.net.PlainSocketImpl.bind(Unknown Source)
        at java.net.ServerSocket.bind(Unknown Source)
        at java.net.ServerSocket.<init>(Unknown Source)
        at java.net.ServerSocket.<init>(Unknown Source)
        at winstone.HttpListener.getServerSocket(HttpListener.java:114)
        ... 10 more

←[0m←[31mMar 01, 2018 12:11:00 PM hudson.WebAppMain$2 run
SEVERE: Failed to initialize Jenkins
java.lang.InterruptedException
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:503)
        at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:244)
        at jenkins.InitReactorRunner.run(InitReactorRunner.java:43)
        at jenkins.model.Jenkins.executeReactor(Jenkins.java:825)
        at jenkins.model.Jenkins.<init>(Jenkins.java:737)
        at hudson.model.Hudson.<init>(Hudson.java:81)
        at hudson.model.Hudson.<init>(Hudson.java:77)
        at hudson.WebAppMain$2.run(WebAppMain.java:217)

←[0mException in thread "pool-2-thread-1" java.lang.NullPointerException
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:185)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Exception in thread "pool-2-thread-2" java.lang.NullPointerException
        at org.jvnet.hudson.reactor.Reactor$1.run(Reactor.java:153)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)

после того, как я пытаюсь изменить свой номер порта: java -jar jenkins.war --httpport = 8800

я получаю следующую ошибку:

webroot: $ user.home/.jenkins Исключение в потоке "main" java.lang.reflect.InvocationTargetException в sun.reflect.NativeMethodAccessorImpl.invoke0(родной метод) в sun.reflect.NativeMethodAccessorImpl.invoke(Неизвестный источник) в sun.reflect.DelegatingMethodAccessorImpl.invoke(Неизвестный источник) на java.lang.reflect.Method.invoke(Неизвестный источник) в Main._main(Main.java:273) в Main.main(Main.java:98) Причина: java.lang.IllegalArgumentException: Нераспознанная опция: --httpport = 9 119 в winstone.cmdline.CmdLineParser.parse(CmdLineParser.java:53) в winstone.Launcher.getArgsFromCommandLine(Launcher.java:391) в winstone.Launcher.main(Launcher.java:359) ... и еще 6

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