在启用Kerberos的Hadoop集群中运行Livy作业
我使用在启用Kerberos的Hadoop集群中运行Livy作业,hadoop,authentication,kerberos,cloudera,livy,Hadoop,Authentication,Kerberos,Cloudera,Livy,我使用com.cloudera.Livy.Job类创建了一个示例Livy(Spark)应用程序,用于计算Pi的近似值(源代码:),作为jar文件导出到例如C:/path/to/the/pijob.jar 实际上,我是从另一个Main类运行此作业的,就像这样(也是从上面的链接复制并改编的): 该应用程序在外部(从我的客户机开始)的不安全Hadoop集群中完美工作。但当我尝试在支持Kerberos的集群上运行它时,它失败了 我试图在LivyClientBuilder类中设置相应的Kerberos属性
com.cloudera.Livy.Job
类创建了一个示例Livy(Spark)应用程序,用于计算Pi的近似值(源代码:),作为jar文件导出到例如C:/path/to/the/pijob.jar
实际上,我是从另一个Main
类运行此作业的,就像这样(也是从上面的链接复制并改编的):
该应用程序在外部(从我的客户机开始)的不安全Hadoop集群中完美工作。但当我尝试在支持Kerberos的集群上运行它时,它失败了
我试图在LivyClientBuilder
类中设置相应的Kerberos属性:
Properties props = new Properties();
props.put("livy.environment", "production");
props.put("livy.impersonation.enabled", "true");
props.put("livy.server.auth.kerberos.keytab", "/etc/security/keytabs/spnego.service.keytab");
props.put("livy.server.auth.kerberos.principal", "HTTP/_HOST@MYCLUSTER.DE");
props.put("livy.server.auth.type", "kerberos");
props.put("livy.server.csrf_protection.enabled", "true");
props.put("livy.server.kerberos.keytab", "/etc/security/keytabs/livy.service.keytab");
props.put("livy.server.kerberos.principal", "livy/_HOST@MYCLUSTER.DE");
props.put("livy.server.port", "8998");
props.put("livy.server.session.timeout", "3600000");
props.put("livy.superusers", "zeppelin-MyCluster");
LivyClient client = new LivyClientBuilder().setAll(props).setURI(new URI(livyUrl)).build();
但我仍然得到一个例外,即需要身份验证:
Exception in thread "main" java.lang.RuntimeException: java.io.IOException: Authentication required: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 401 </title>
</head>
<body>
<h2>HTTP ERROR: 401</h2>
<p>Problem accessing /sessions/. Reason:
<pre> Authentication required</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>
</body>
</html>
at com.cloudera.livy.client.http.HttpClient.propagate(HttpClient.java:185)
at com.cloudera.livy.client.http.HttpClient.<init>(HttpClient.java:85)
at com.cloudera.livy.client.http.HttpClientFactory.createClient(HttpClientFactory.java:38)
at com.cloudera.livy.LivyClientBuilder.build(LivyClientBuilder.java:124)
at livy.Main.main(Main.java:34)
Caused by: java.io.IOException: Authentication required: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 401 </title>
</head>
<body>
<h2>HTTP ERROR: 401</h2>
<p>Problem accessing /sessions/. Reason:
<pre> Authentication required</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>
</body>
</html>
at com.cloudera.livy.client.http.LivyConnection.sendRequest(LivyConnection.java:230)
at com.cloudera.livy.client.http.LivyConnection.sendJSONRequest(LivyConnection.java:204)
at com.cloudera.livy.client.http.LivyConnection.post(LivyConnection.java:180)
at com.cloudera.livy.client.http.HttpClient.<init>(HttpClient.java:82)
... 3 more
线程“main”java.lang.RuntimeException中的异常:java.io.IOException:需要身份验证:
错误401
HTTP错误:401
访问/sessions/时出现问题。原因:
需要身份验证
由码头提供动力://
位于com.cloudera.livy.client.http.HttpClient.propagate(HttpClient.java:185)
位于com.cloudera.livy.client.http.HttpClient.(HttpClient.java:85)
位于com.cloudera.livy.client.http.HttpClientFactory.createClient(HttpClientFactory.java:38)
位于com.cloudera.livy.LivyClientBuilder.build(LivyClientBuilder.java:124)
在livy.Main.Main(Main.java:34)
原因:java.io.IOException:需要身份验证:
错误401
HTTP错误:401
访问/sessions/时出现问题。原因:
需要身份验证
由码头提供动力://
位于com.cloudera.livy.client.http.LivyConnection.sendRequest(LivyConnection.java:230)
位于com.cloudera.livy.client.http.LivyConnection.sendJSONRequest(LivyConnection.java:204)
位于com.cloudera.livy.client.http.LivyConnection.post(LivyConnection.java:180)
位于com.cloudera.livy.client.http.HttpClient.(HttpClient.java:82)
... 3个以上
这一点上的问题对我来说是:
- 这些都是我需要的Kerberos设置吗?
- 或者我必须添加更多内容才能登录
- 我是否必须在我的客户机上提供配置文件/键表?
- 或者我仍然可以使用服务器路径(就像我到目前为止所做的那样)
- 是否有一些关于Kerberos的有用文档可供Livy使用
Exception in thread "main" java.lang.RuntimeException: java.io.IOException: Authentication required: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 401 </title>
</head>
<body>
<h2>HTTP ERROR: 401</h2>
<p>Problem accessing /sessions/. Reason:
<pre> Authentication required</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>
</body>
</html>
at com.cloudera.livy.client.http.HttpClient.propagate(HttpClient.java:185)
at com.cloudera.livy.client.http.HttpClient.<init>(HttpClient.java:85)
at com.cloudera.livy.client.http.HttpClientFactory.createClient(HttpClientFactory.java:38)
at com.cloudera.livy.LivyClientBuilder.build(LivyClientBuilder.java:124)
at livy.Main.main(Main.java:34)
Caused by: java.io.IOException: Authentication required: <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 401 </title>
</head>
<body>
<h2>HTTP ERROR: 401</h2>
<p>Problem accessing /sessions/. Reason:
<pre> Authentication required</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>
</body>
</html>
at com.cloudera.livy.client.http.LivyConnection.sendRequest(LivyConnection.java:230)
at com.cloudera.livy.client.http.LivyConnection.sendJSONRequest(LivyConnection.java:204)
at com.cloudera.livy.client.http.LivyConnection.post(LivyConnection.java:180)
at com.cloudera.livy.client.http.HttpClient.<init>(HttpClient.java:82)
... 3 more