我有权访问使用HDP 2.4安装的Hadoop群集2.7.1版。这种集群已安装星火,具体是:在Hadoop 2.7.1群集中使用Spark 1.6.2 for Hadoop 2.6.0的问题
$ cat /usr/hdp/2.4.3.0-227/spark/RELEASE
Spark 1.6.2.2.4.3.0-227 built for Hadoop 2.7.1.2.4.3.0-227
我试图建立一个“客户”机能够remotelly连接到群集和部署星火工作。因此,我需要为上述相同版本安装Spark分发。
首先,我去了官方的Spark下载页面,但1.6.2仅适用于Hadoop 2.6。
然后,我决定下载Spark源代码,并按照this指南构建它。有趣的是Hadoop“2.6.x和更高版本2.x”的required building profile是hadoop-2-6
。即如果我自己创建Spark,我将获得Spark官方下载页面中提供的发行版。
因此,我已经为Hadoop 2.6.0提供了Spark 1.6.2的官方预建版本。
而且它似乎没有正常工作。我已经提交一个Python脚本-a非常简单的只产生火花的上下文并有某种问题(只显示日志中的相关部分):
$ ./bin/spark-submit --master yarn --deploy-mode cluster basic.py
...
17/08/28 13:08:29 INFO Client: Requesting a new application from cluster with 8 NodeManagers
17/08/28 13:08:29 INFO Client: Verifying our application has not requested more than the maximum memory capability of the cluster (24576 MB per container)
17/08/28 13:08:29 INFO Client: Will allocate AM container, with 1408 MB memory including 384 MB overhead
17/08/28 13:08:29 INFO Client: Setting up container launch context for our AM
17/08/28 13:08:29 INFO Client: Setting up the launch environment for our AM container
17/08/28 13:08:29 INFO Client: Preparing resources for our AM container
17/08/28 13:08:36 INFO Client: Uploading resource file:/Users/frb/Applications/spark-1.6.2-bin-hadoop2.6/lib/spark-assembly-1.6.2-hadoop2.6.0.jar -> hdfs://<host>:8020/user/frb/.sparkStaging/application_1495097788339_0066/spark-assembly-1.6.2-hadoop2.6.0.jar
17/08/28 13:14:40 INFO Client: Uploading resource file:basic.py -> hdfs://<host>:8020/user/frb/.sparkStaging/application_1495097788339_0066/basic.py
17/08/28 13:14:40 INFO Client: Uploading resource file:/Users/frb/Applications/spark-1.6.2-bin-hadoop2.6/python/lib/pyspark.zip -> hdfs://<host>:8020/user/frb/.sparkStaging/application_1495097788339_0066/pyspark.zip
17/08/28 13:14:41 INFO Client: Uploading resource file:/Users/frb/Applications/spark-1.6.2-bin-hadoop2.6/python/lib/py4j-0.9-src.zip -> hdfs://<host>:8020/user/frb/.sparkStaging/application_1495097788339_0066/py4j-0.9-src.zip
17/08/28 13:14:42 INFO Client: Uploading resource file:/private/var/folders/cc/p9gx2wnn3dz8g6yf_r4308fm0000gn/T/spark-0d86f1f4-d310-423a-9d2f-90e2ff46f84e/__spark_conf__3704082754178078870.zip -> hdfs://<host>:8020/user/frb/.sparkStaging/application_1495097788339_0066/__spark_conf__3704082754178078870.zip
17/08/28 13:14:42 INFO SecurityManager: Changing view acls to: frb
17/08/28 13:14:42 INFO SecurityManager: Changing modify acls to: frb
17/08/28 13:14:42 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(frb); users with modify permissions: Set(frb)
17/08/28 13:14:42 INFO Client: Submitting application 66 to ResourceManager
17/08/28 13:14:42 INFO YarnClientImpl: Submitted application application_1495097788339_0066
17/08/28 13:14:48 INFO Client: Application report for application_1495097788339_0066 (state: ACCEPTED)
17/08/28 13:14:48 INFO Client:
client token: N/A
diagnostics: N/A
ApplicationMaster host: N/A
ApplicationMaster RPC port: -1
queue: default
start time: 1503918882943
final status: UNDEFINED
tracking URL: <host>:8088/proxy/application_1495097788339_0066/
user: frb
17/08/28 13:14:49 INFO Client: Application report for application_1495097788339_0066 (state: ACCEPTED)
...
17/08/28 13:14:52 INFO Client: Application report for application_1495097788339_0066 (state: RUNNING)
17/08/28 13:14:52 INFO Client:
client token: N/A
diagnostics: N/A
ApplicationMaster host: 10.95.120.6
ApplicationMaster RPC port: 0
queue: default
start time: 1503918882943
final status: UNDEFINED
tracking URL: <host>:8088/proxy/application_1495097788339_0066/
user: frb
17/08/28 13:14:53 INFO Client: Application report for application_1495097788339_0066 (state: RUNNING)
...
17/08/28 13:14:59 INFO Client: Application report for application_1495097788339_0066 (state: ACCEPTED)
17/08/28 13:14:59 INFO Client:
client token: N/A
diagnostics: N/A
ApplicationMaster host: N/A
ApplicationMaster RPC port: -1
queue: default
start time: 1503918882943
final status: UNDEFINED
tracking URL: <host>:8088/proxy/application_1495097788339_0066/
user: frb
17/08/28 13:15:00 INFO Client: Application report for application_1495097788339_0066 (state: ACCEPTED)
17/08/28 13:15:01 INFO Client: Application report for application_1495097788339_0066 (state: RUNNING)
17/08/28 13:15:01 INFO Client:
client token: N/A
diagnostics: N/A
ApplicationMaster host: 10.95.58.21
ApplicationMaster RPC port: 0
queue: default
start time: 1503918882943
final status: UNDEFINED
tracking URL: <host>:8088/proxy/application_1495097788339_0066/
user: frb
17/08/28 13:15:02 INFO Client: Application report for application_1495097788339_0066 (state: RUNNING)
...
17/08/28 13:15:09 INFO Client: Application report for application_1495097788339_0066 (state: FINISHED)
17/08/28 13:15:09 INFO Client:
client token: N/A
diagnostics: Max number of executor failures (4) reached
ApplicationMaster host: 10.95.58.21
ApplicationMaster RPC port: 0
queue: default
start time: 1503918882943
final status: FAILED
tracking URL: <host>:8088/proxy/application_1495097788339_0066/
user: frb
Exception in thread "main" org.apache.spark.SparkException: Application application_1495097788339_0066 finished with failed status
at org.apache.spark.deploy.yarn.Client.run(Client.scala:1034)
at org.apache.spark.deploy.yarn.Client$.main(Client.scala:1081)
at org.apache.spark.deploy.yarn.Client.main(Client.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)
at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
17/08/28 13:15:09 INFO ShutdownHookManager: Shutdown hook called
17/08/28 13:15:09 INFO ShutdownHookManager: Deleting directory /private/var/folders/cc/p9gx2wnn3dz8g6yf_r4308fm0000gn/T/spark-0d86f1f4-d310-423a-9d2f-90e2ff46f84e
如果我检查日志这个工作,我看到:
ERROR:py4j.java_gateway:An error occurred while trying to connect to the Java server
Traceback (most recent call last):
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 690, in start
self.socket.connect((self.address, self.port))
File "/usr/lib64/python2.7/socket.py", line 224, in meth
return getattr(self._sock,name)(*args)
error: [Errno 111] Connection refused
Traceback (most recent call last):
File "basic.py", line 36, in <module>
sc = SparkContext(conf=conf)
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/pyspark.zip/pyspark/context.py", line 115, in __init__
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/pyspark.zip/pyspark/context.py", line 172, in _do_init
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/pyspark.zip/pyspark/context.py", line 235, in _initialize_context
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 1062, in __call__
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 631, in send_command
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 624, in send_command
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 579, in _get_connection
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 585, in _create_connection
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 697, in start
py4j.protocol.Py4JNetworkError: An error occurred while trying to connect to the Java server
ERROR:py4j.java_gateway:An error occurred while trying to connect to the Java server
Traceback (most recent call last):
File "/disk0/hadoop/yarn/local/usercache/frb/appcache/application_1495097788339_0066/container_e03_1495097788339_0066_02_000001/py4j-0.9-src.zip/py4j/java_gateway.py", line 690, in start
self.socket.connect((self.address, self.port))
File "/usr/lib64/python2.7/socket.py", line 224, in meth
return getattr(self._sock,name)(*args)
error: [Errno 111] Connection refused
iee Spark上下文未创建,运行Java网关的JVM与运行Spark上下文的Python驱动程序之间的连接失败。
,因为这必须与我已经安装在我的客户端机器肯定星火分布:
我的客户机的火花分布上传到clsuter,因此它是一个用过的;提交时请记住此日志:
17/08/28 13:08:36信息客户端:上传资源文件:/Users/frb/Applications/spark-1.6.2-bin-hadoop2.6/lib/spark - 装配-1.6.2-hadoop2.6.0.jar - > HDFS://:8020 /用户/ FRB/.sparkStaging/application_1495097788339_0066 /火花组装1.6.2-hadoop2.6.0.jar
相同上述命令在群集内提交时工作,即在使用由HDP安装的Spark的“为Hadoop 2.7.1.2.4.3.0-227”版本构建的“Spark 1.6.2.2.4.3.0-227”时。
有关如何解决这个问题的任何想法?谢谢!