PROSAGA码农传奇-IOT-MQTTUtils.createPairedStream（）不是org.apache.bahir的成员

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    这将是您的系统的问题。关于错误相关，有很多原因导致
     <code>
 javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException
 </code>
    。其中一个原因是由于请求主机URL（包括IP地址）和证书（通常包括DNS主机名）之间不匹配，请求失败。这是由于证书缺少别名这一事实造成的（使用与默认名称不同的名称访问服务器时主机的主题备用名称。
  
  
    问题可以通过多种方式解决。请在以下链接中找到一些替代方案：
  
  
    <a href="https://support.mulesoft.com/s/article/CertificateException-No-Subject-Alternative-Names-Present" rel="nofollow noreferrer">
      https://support.mulesoft.com/s/article/CertificateException-No-Subject-Alternative-Names-Present
    </A>
  
  
    <a href =“https://support.cloudbees.com/hc/en-us/articles/360017693231-Why-am-I-getting-No-subject-alternative-DNS-name-matching-XXX-when-connecting -through-ldaps-“rel =”nofollow noreferrer“>
      https://support.cloudbees.com/hc/en-us/articles/360017693231-Why-am-I-getting-No-subject-alternative-DNS-name-matching-XXX-when-connecting-through-ldaps-
    </A>
  
  
    <a href =“https://confluence.atlassian.com/confkb/java-security-cert-certificateexception-no-subject-alternative-dns-name-matching-hostname-found-452100730.html"rel =”nofollow noreferrer “>
      https://confluence.atlassian.com/confkb/java-security-cert-certificateexception-no-subject-alternative-dns-name-matching-hostname-found-452100730.html
    </A>
  
  
    <a href =“https://confluence.atlassian.com/jirakb/java-security-cert-certificateexception-no-subject-alternative-dns-name-matching-hostname-found-297669411.html"rel =”nofollow noreferrer “>
      https://confluence.atlassian.com/jirakb/java-security-cert-certificateexception-no-subject-alternative-dns-name-matching-hostname-found-297669411.html
    </A>
  
  
    我可以向Spark-Shell添加模块。请在下面找到代码片段。
  
   <pre>
 <code>
 C:\Users\XYzUser>spark-shell --repositories http://central.maven.org/maven2/org/apache/bahir/spark-streaming-mqtt_2.11/2.3.0/ --packages org.apache.bahir:spark-streaming-mqtt_2.11:2.3.0
http://central.maven.org/maven2/org/apache/bahir/spark-streaming-mqtt_2.11/2.3.0/ added as a remote repository with the name: repo-1
Ivy Default Cache set to: C:\Users\..\.ivy2\cache
The jars for the packages stored in: C:\Users\..\.ivy2\jars
:: loading settings :: url = jar:file:/C:/Tools/spark/jars/ivy-2.4.0.jar!/org/apache/ivy/core/settings/ivysettings.xml
org.apache.bahir#spark-streaming-mqtt_2.11 added as a dependency
:: resolving dependencies :: org.apache.spark#spark-submit-parent-73c724b4-c15c-45a8-89df-f492b2eb6feb;1.0
 confs: [default]
 found org.apache.bahir#spark-streaming-mqtt_2.11;2.3.0 in central
 found org.eclipse.paho#org.eclipse.paho.client.mqttv3;1.1.0 in central
 found org.spark-project.spark#unused;1.0.0 in user-list
:: resolution report :: resolve 7200ms :: artifacts dl 16ms
 :: modules in use:
 org.apache.bahir#spark-streaming-mqtt_2.11;2.3.0 from central in [default]
 org.eclipse.paho#org.eclipse.paho.client.mqttv3;1.1.0 from central in [default]
 org.spark-project.spark#unused;1.0.0 from user-list in [default]
 ---------------------------------------------------------------------
 | | modules || artifacts |
 | conf | number| search|dwnlded|evicted|| number|dwnlded|
 ---------------------------------------------------------------------
 | default | 3 | 1 | 1 | 0 || 3 | 0 |
 ---------------------------------------------------------------------

:: problems summary ::
:::: ERRORS
        unknown resolver null

:: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS
:: retrieving :: org.apache.spark#spark-submit-parent-73c724b4-c15c-45a8-89df-f492b2eb6feb
        confs: [default]
        0 artifacts copied, 3 already retrieved (0kB/31ms)
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
Spark context Web UI available at http://...:4040
Spark context available as 'sc' (master = local[*], app id = local-1552454258705).
Spark session available as 'spark'.
Welcome to
      ____              __
     / __/__  ___ _____/ /__
    _\ \/ _ \/ _ `/ __/  '_/
   /___/ .__/\_,_/_/ /_/\_\   version 2.4.0
      /_/

</code>
 </pre>
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