启动azkaban时出现User xml file conf/azkaban-users.xml doesn't exist问题解决（图文详解）

 　　问题详情

[hadoop@master azkaban]$ ll
total
drwxrwxr-x   hadoop hadoop  May   : azkaban-2.5.
drwxrwxr-x  hadoop hadoop  May   : azkaban-executor-2.5.
drwxrwxr-x   hadoop hadoop  May   : azkaban-web-2.5.
[hadoop@master azkaban]$ cd azkaban-web-2.5./
[hadoop@master azkaban-web-2.5.]$ ll
total
-rw-rw-r--  hadoop hadoop  May  : azkaban-access.log
-rw-r--r--  hadoop hadoop    Apr    azkaban.version
-rw-rw-r--  hadoop hadoop  May  : azkaban-webserver.log
drwxr-xr-x  hadoop hadoop   Apr    bin
drwxr-xr-x  hadoop hadoop   May   : conf
-rw-rw-r--  hadoop hadoop      May  : currentpid
drwxr-xr-x  hadoop hadoop   May   : extlib
-rw-rw-r--  hadoop hadoop   May   : keystore
drwxr-xr-x  hadoop hadoop   May   : lib
drwxr-xr-x  hadoop hadoop   Apr    plugins
drwxrwxr-x  hadoop hadoop   May  : temp
drwxr-xr-x  hadoop hadoop   May   : web
[hadoop@master azkaban-web-2.5.]$ cd bin/
[hadoop@master bin]$ ll
total
-rwxr-xr-x  hadoop hadoop   Apr    azkaban-web-shutdown.sh
-rwxr-xr-x  hadoop hadoop  Apr    azkaban-web-start.sh
-rwxr-xr-x  hadoop hadoop   Apr    schedule2trigger.sh
-rwxr-xr-x  hadoop hadoop   Apr    start-web.sh
[hadoop@master bin]$ ./azkaban-web-start.sh

lib/commons-dbcp-1.4.jar:./../lib/commons-dbutils-1.5.jar:./../lib/commons-email-1.2.jar:./../lib/commons-fileupload-1.2..jar:./../lib/commons-io-2.4.jar:./../lib/commons-jexl-2.1..jar:./../lib/commons-lang-2.6.jar:./../lib/commons-logging-1.1..jar:./../lib/commons-pool-1.6.jar:./../lib/guava-13.0..jar:./../lib/h2-1.3..jar:./../lib/httpclient-4.2..jar:./../lib/httpcore-4.2..jar:./../lib/jackson-core-asl-1.9..jar:./../lib/jackson-mapper-asl-1.9..jar:./../lib/jetty-6.1..jar:./../lib/jetty-util-6.1..jar:./../lib/joda-time-2.0.jar:./../lib/jopt-simple-4.3.jar:./../lib/junit-4.8.jar:./../lib/log4j-1.2..jar:./../lib/mail-1.4..jar:./../lib/mysql-connector-java-5.1..jar:./../lib/servlet-api-2.5.jar:./../lib/slf4j-api-1.6..jar:./../lib/slf4j-log4j12-1.6..jar:./../lib/velocity-1.7.jar:./../lib/velocity-tools-2.0.jar:./../extlib/mysql-connector-java-5.1..jar:./../plugins/*/*.jar:/home/hadoop/app/hadoop-2.6.0/conf:/home/hadoop/app/hadoop-2.6.0/*:/home/hadoop/app/hive/conf:/home/hadoop/app/hive/lib/*
[hadoop@master bin]$ 2017/07/05 23:58:24.545 +0800 ERROR [AzkabanWebServer] [Azkaban] Starting Jetty Azkaban Executor...
2017/07/05 23:58:24.633 +0800 INFO [AzkabanServer] [Azkaban] Loading azkaban settings file from ./../conf
2017/07/05 23:58:24.634 +0800 INFO [AzkabanServer] [Azkaban] Loading azkaban properties file
2017/07/05 23:58:24.967 +0800 INFO [AzkabanWebServer] [Azkaban] Setting up Jetty Https Server with port:8443 and numThreads:25
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/hadoop/app/azkaban/azkaban-web-2.5.0/lib/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/hadoop/app/hive-1.0.0/lib/hive-jdbc-1.0.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
2017/07/05 23:58:25.362 +0800 INFO [log] [Azkaban] Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
2017/07/05 23:58:26.426 +0800 INFO [AzkabanWebServer] [Azkaban] Loading user manager class azkaban.user.XmlUserManager
2017/07/05 23:58:26.427 +0800 ERROR [AzkabanWebServer] [Azkaban] Could not instantiate UserManager azkaban.user.XmlUserManager
Exception in thread "main" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
    at azkaban.webapp.AzkabanWebServer.loadUserManager(AzkabanWebServer.java:230)
    at azkaban.webapp.AzkabanWebServer.<init>(AzkabanWebServer.java:181)
    at azkaban.webapp.AzkabanWebServer.main(AzkabanWebServer.java:726)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    at azkaban.webapp.AzkabanWebServer.loadUserManager(AzkabanWebServer.java:226)
    ... 2 more
Caused by: java.lang.IllegalArgumentException: User xml file conf/azkaban-users.xml doesn't exist.
    at azkaban.user.XmlUserManager.parseXMLFile(XmlUserManager.java:87)
    at azkaban.user.XmlUserManager.<init>(XmlUserManager.java:81)
    ... 7 more

　　先ctrl + c停止它，

[hadoop@master conf]$ pwd
/home/hadoop/app/azkaban/azkaban-web-2.5./conf
[hadoop@master conf]$ ll
total
-rw-r--r--  hadoop hadoop  May   : azkaban.properties
-rw-r--r--  hadoop hadoop   May   : azkaban-users.xml
[hadoop@master conf]$ 

user.manager.xml.file=/home/hadoop/app/azkaban/azkaban-web-2.5./conf/azkaban-users.xml

　　然后，接着

[hadoop@master ~]$ su root
Password:
[root@master hadoop]# cd
[root@master ~]# service mysqld start
Starting mysqld:                                           [  OK  ]
[root@master ~]# 

// ::17.988 + INFO [log] [Azkaban] jetty-6.1.
// ::18.228 + WARN [log] [Azkaban] failed SslSocketConnector@0.0.0.0:8443: java.io.FileNotFoundException: /home/hadoop/app/azkaban/azkaban-web-2.5.0/bin/keystore (No such file or directory)
2017/07/06 00:06:18.228 +0800 WARN [log] [Azkaban] failed Server@294a671: java.io.FileNotFoundException: /home/hadoop/app/azkaban/azkaban-web-2.5.0/bin/keystore (No such file or directory)
2017/07/06 00:06:18.228 +0800 WARN [AzkabanWebServer] [Azkaban] java.io.FileNotFoundException: /home/hadoop/app/azkaban/azkaban-web-2.5.0/bin/keystore (No such file or directory)
/home/hadoop/app/azkaban/azkaban-web-2.5.0/bin/keystore (No such file or directory)

　　方法一：

# Azkaban Jetty server properties.
jetty.maxThreads=
jetty.ssl.port=
jetty.port=
jetty.keystore=/home/hadoop/app/azkaban/azkaban-web-2.5./keystore
jetty.password=mysteel
jetty.keypassword=mysteel
jetty.truststore=/home/hadoop/app/azkaban/azkaban-web-2.5./keystore
jetty.trustpassword=mysteel

　　接着，出现，这界面怎么这么丑，跟平常不一样。

　　具体解决，见

azkaban web ui界面出现异常诡异“丑”界面的问题解决（图文详解）

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