麻烦安装Pyspark [英] Trouble installing Pyspark
问题描述
我想用一个pyspark本地机器上运行的火花。从这里 我用的命令:
I want to run Spark on a local machine using pyspark. From here I use the commands:
sbt/sbt assembly
$ ./bin/pyspark
安装完成,但pyspark无法运行,导致下面的错误(全称):
The install completes, but pyspark is unable to run, resulting in the following error (in full):
138:spark-0.9.1 comp_name$ ./bin/pyspark
Python 2.7.6 |Anaconda 1.9.2 (x86_64)| (default, Jan 10 2014, 11:23:15)
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
Traceback (most recent call last):
File "/Users/comp_name/Downloads/spark-0.9.1/python/pyspark/shell.py", line 32, in <module>
sc = SparkContext(os.environ.get("MASTER", "local"), "PySparkShell", pyFiles=add_files)
File "/Users/comp_name/Downloads/spark-0.9.1/python/pyspark/context.py", line 123, in __init__
self._jsc = self._jvm.JavaSparkContext(self._conf._jconf)
File "/Users/comp_name/Downloads/spark-0.9.1/python/lib/py4j-0.8.1-src.zip/py4j/java_gateway.py", line 669, in __call__
File "/Users/comp_name/Downloads/spark-0.9.1/python/lib/py4j-0.8.1-src.zip/py4j/protocol.py", line 300, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.
: java.net.UnknownHostException: 138.7.100.10.in-addr.arpa: 138.7.100.10.in-addr.arpa: nodename nor servname provided, or not known
at java.net.InetAddress.getLocalHost(InetAddress.java:1466)
at org.apache.spark.util.Utils$.findLocalIpAddress(Utils.scala:355)
at org.apache.spark.util.Utils$.localIpAddress$lzycompute(Utils.scala:347)
at org.apache.spark.util.Utils$.localIpAddress(Utils.scala:347)
at org.apache.spark.util.Utils$.localIpAddressHostname$lzycompute(Utils.scala:348)
at org.apache.spark.util.Utils$.localIpAddressHostname(Utils.scala:348)
at org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:395)
at org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:395)
at scala.Option.getOrElse(Option.scala:120)
at org.apache.spark.util.Utils$.localHostName(Utils.scala:395)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:124)
at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:47)
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 py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:379)
at py4j.Gateway.invoke(Gateway.java:214)
at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
at py4j.GatewayConnection.run(GatewayConnection.java:207)
at java.lang.Thread.run(Thread.java:724)
Caused by: java.net.UnknownHostException: 138.7.100.10.in-addr.arpa: nodename nor servname provided, or not known
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:894)
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1286)
at java.net.InetAddress.getLocalHost(InetAddress.java:1462)
... 22 more
任何想法我做错了吗?我不知道在哪里的IP地址 138.7.100.10
从何而来。
我用的时候(或没有)MAMP创建一个本地主机得到这个错误。
在此先感谢!
Any ideas what I am doing wrong? I don't know where the IP address 138.7.100.10
comes from.
I get this error when using (or not) MAMP to create a localhost.
Thanks in advance!
推荐答案
我证明,我使用的是Java版本为1.7。
我使用的是一台MacBook Air,运行10.9.2
I turns out, the Java version I was using was 1.7. I'm using a Macbook Air, running 10.9.2
$ java -version
给我:
java version "1.7.0_25"
Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode)
要降级到1.6:
$ cd /Library/Java/JavaVirtualMachines
$ ls
返回:
jdk1.7.0_25.jdk
要删除该文件(和降级java和解决我的问题):
To delete that file (and downgrade java and fix my issue):
$ sudo rm -rf jdk1.7.0_25.jdk
然后,我有:
$ java -version
这给了输出:
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)
最后,我能够运行星火:
And finally, I am able to run Spark:
$ ./bin/pyspark
和一切是幸福的:
Welcome to
____ __
/ __/__ ___ _____/ /__
_\ \/ _ \/ _ `/ __/ '_/
/__ / .__/\_,_/_/ /_/\_\ version 0.9.1
/_/
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