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记录create broker时遇到的一个问题，也许对其他人有帮助，顺便求解释。

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赵柯的教授

#1 Created at ... [Delete] [Delete and Lock User]

1. 按照教程create broker时，遇到如下问题：

$ artemis create jms-data

Creating ActiveMQ Artemis instance at: F:\www\spring-intergration-jms\jms-data

--user: is a mandatory property!

Please provide the default username:

admin

--password: is mandatory with this configuration:

Please provide the default password:

java.lang.NullPointerException: Cannot invoke "java.io.Console.readPassword()" b

        at org.apache.activemq.artemis.cli.commands.InputAbstract.inputPassword(

        at org.apache.activemq.artemis.cli.commands.Create.getPassword(Create.ja

        at org.apache.activemq.artemis.cli.commands.Create.run(Create.java:640)

        at org.apache.activemq.artemis.cli.commands.Create.execute(Create.java:5

        at org.apache.activemq.artemis.cli.Artemis.internalExecute(Artemis.java:

        at org.apache.activemq.artemis.cli.Artemis.execute(Artemis.java:102)

        at org.apache.activemq.artemis.cli.Artemis.execute(Artemis.java:129)

        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Nativ

        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Native

        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(De

        at java.base/java.lang.reflect.Method.invoke(Method.java:564)

        at org.apache.activemq.artemis.boot.Artemis.execute(Artemis.java:134)

        at org.apache.activemq.artemis.boot.Artemis.main(Artemis.java:50)

1.1 能看懂是什么问题，但是没有解决思路，必应了也没查到办法，但是看到可以带参数，于是我的解决办法如下：

$ artemis create jms-data --user admin --password admin

Creating ActiveMQ Artemis instance at: F:\www\spring-intergration-jms\jms-data

--allow-anonymous | --require-login: is a mandatory property!

Allow anonymous access?, valid values are Y,N,True,False

n

Auto tuning journal ...

done! Your system can make 0.04 writes per millisecond, your journal-buffer-timeout will be 25964000

希望能对遇到相同问题的人有个帮助，顺便也请大牛解释下，谢谢。

ps：我的环境是windows，java环境是：

$ java -version

java version "15.0.1" 2020-10-20

Java(TM) SE Runtime Environment (build 15.0.1+9-18)

Java HotSpot(TM) 64-Bit Server VM (build 15.0.1+9-18, mixed mode, sharing)

格格巫92190

#2 Created at ... [Delete] [Delete and Lock User]

我在win7上使用Cgwin64 Terminal安装出现一样的问题，换成cmd安装就好了

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