[
https://issues.apache.org/jira/browse/SPARK-10189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ABHISHEK CHOUDHARY updated SPARK-10189:
---------------------------------------
Description:
I am trying to use wholeTextFiles with pyspark , and now I am getting the same
error -
```
textFiles = sc.wholeTextFiles('/file/content')
textFiles.take(1)
```
```
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/rdd.py",
line 1277, in take
res = self.context.runJob(self, takeUpToNumLeft, p, True)
File
"/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/context.py",
line 898, in runJob
return list(_load_from_socket(port, mappedRDD._jrdd_deserializer))
File
"/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/rdd.py",
line 138, in _load_from_socket
raise Exception("could not open socket")
Exception: could not open socket
>>> 15/08/24 20:09:27 ERROR PythonRDD: Error while sending iterator
java.net.SocketTimeoutException: Accept timed out
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:404)
at java.net.ServerSocket.implAccept(ServerSocket.java:545)
at java.net.ServerSocket.accept(ServerSocket.java:513)
at org.apache.spark.api.python.PythonRDD$$anon$2.run(PythonRDD.scala:623)
```
Current piece of code in rdd.py-
```
def _load_from_socket(port, serializer):
sock = None
# Support for both IPv4 and IPv6.
# On most of IPv6-ready systems, IPv6 will take precedence.
for res in socket.getaddrinfo("localhost", port, socket.AF_UNSPEC,
socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
sock = socket.socket(af, socktype, proto)
sock.settimeout(3)
sock.connect(sa)
except socket.error:
sock = None
continue
break
if not sock:
raise Exception("could not open socket")
try:
rf = sock.makefile("rb", 65536)
for item in serializer.load_stream(rf):
yield item
finally:
sock.close()
```
On further investigate the issue , i realized that in context.py , runJob is
not actually triggering the server and so there is nothing to connect -
```
port = self._jvm.PythonRDD.runJob(self._jsc.sc(), mappedRDD._jrdd, partitions)
```
was:
I am trying to use wholeTextFiles with pyspark , and now I am getting the same
error -
```
textFiles = sc.wholeTextFiles('/file/content')
textFiles.take(1)
```
```
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/rdd.py",
line 1277, in take
res = self.context.runJob(self, takeUpToNumLeft, p, True)
File
"/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/context.py",
line 898, in runJob
return list(_load_from_socket(port, mappedRDD._jrdd_deserializer))
File
"/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/rdd.py",
line 138, in _load_from_socket
raise Exception("could not open socket")
Exception: could not open socket
>>> 15/08/24 20:09:27 ERROR PythonRDD: Error while sending iterator
java.net.SocketTimeoutException: Accept timed out
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:404)
at java.net.ServerSocket.implAccept(ServerSocket.java:545)
at java.net.ServerSocket.accept(ServerSocket.java:513)
at org.apache.spark.api.python.PythonRDD$$anon$2.run(PythonRDD.scala:623)
```
Current piece of code in rdd.py-
```
def _load_from_socket(port, serializer):
sock = None
# Support for both IPv4 and IPv6.
# On most of IPv6-ready systems, IPv6 will take precedence.
for res in socket.getaddrinfo("localhost", port, socket.AF_UNSPEC,
socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
sock = socket.socket(af, socktype, proto)
sock.settimeout(3)
sock.connect(sa)
except socket.error:
sock = None
continue
break
if not sock:
raise Exception("could not open socket")
try:
rf = sock.makefile("rb", 65536)
for item in serializer.load_stream(rf):
yield item
finally:
sock.close()
```
> python rdd socket connection problem
> ------------------------------------
>
> Key: SPARK-10189
> URL: https://issues.apache.org/jira/browse/SPARK-10189
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 1.4.1
> Reporter: ABHISHEK CHOUDHARY
> Labels: pyspark, socket
>
> I am trying to use wholeTextFiles with pyspark , and now I am getting the
> same error -
> ```
> textFiles = sc.wholeTextFiles('/file/content')
> textFiles.take(1)
> ```
> ```
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File
> "/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/rdd.py",
> line 1277, in take
> res = self.context.runJob(self, takeUpToNumLeft, p, True)
> File
> "/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/context.py",
> line 898, in runJob
> return list(_load_from_socket(port, mappedRDD._jrdd_deserializer))
> File
> "/Volumes/work/bigdata/CHD5.4/spark-1.4.1-bin-hadoop2.6/python/pyspark/rdd.py",
> line 138, in _load_from_socket
> raise Exception("could not open socket")
> Exception: could not open socket
> >>> 15/08/24 20:09:27 ERROR PythonRDD: Error while sending iterator
> java.net.SocketTimeoutException: Accept timed out
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at
> java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:404)
> at java.net.ServerSocket.implAccept(ServerSocket.java:545)
> at java.net.ServerSocket.accept(ServerSocket.java:513)
> at org.apache.spark.api.python.PythonRDD$$anon$2.run(PythonRDD.scala:623)
> ```
> Current piece of code in rdd.py-
> ```
> def _load_from_socket(port, serializer):
> sock = None
> # Support for both IPv4 and IPv6.
> # On most of IPv6-ready systems, IPv6 will take precedence.
> for res in socket.getaddrinfo("localhost", port, socket.AF_UNSPEC,
> socket.SOCK_STREAM):
> af, socktype, proto, canonname, sa = res
> try:
> sock = socket.socket(af, socktype, proto)
> sock.settimeout(3)
> sock.connect(sa)
> except socket.error:
> sock = None
> continue
> break
> if not sock:
> raise Exception("could not open socket")
> try:
> rf = sock.makefile("rb", 65536)
> for item in serializer.load_stream(rf):
> yield item
> finally:
> sock.close()
> ```
> On further investigate the issue , i realized that in context.py , runJob is
> not actually triggering the server and so there is nothing to connect -
> ```
> port = self._jvm.PythonRDD.runJob(self._jsc.sc(), mappedRDD._jrdd, partitions)
> ```
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