Elkhan Dadashov created SPARK-18288:
---------------------------------------
Summary: SparkLauncer 2.0.1 version working incosistently in
yarn-client mode
Key: SPARK-18288
URL: https://issues.apache.org/jira/browse/SPARK-18288
Project: Spark
Issue Type: Bug
Components: Spark Submit
Affects Versions: 2.0.1
Environment: I'm running Spark 2.0.1 version with Spark Launcher 2.0.1
version on Yarn cluster. Deploy mode is yarn-client.
Reporter: Elkhan Dadashov
I'm running Spark 2.0.1 version with Spark Launcher 2.0.1 version on Yarn
cluster. I launch map task which spawns Spark job via
SparkLauncher#startApplication().
Deploy mode is yarn-client. I'm running in Mac laptop.
I have this snippet of code:
SparkAppHandle appHandle = sparkLauncher.startApplication();
while (appHandle.getState() == null || !appHandle.getState().isFinal()) {
if (appHandle.getState() != null) {
log.info("while: Spark job state is : " +
appHandle.getState());//highlighted
if (appHandle.getAppId() != null) {
log.info("\t App id: " + appHandle.getAppId() + "\tState: " +
appHandle.getState());
}
}
}
The above snippet of code works fine, both spark job and the map task which
spawns that Spark job successfully completes.
But if i comment out the red highlighted line, then the Spark job launches and
finishes successfully, but the map task hangs for a while (in Running state)
and then fails with the exception below.
I run exact same code in exact same environment except that one line commented
out.
When the highlighted line is commented out, I even do not see the 2nd log line
in the stderr either, it seems appHandle hook never returns back anything
(neither app id nor app state), even though spark application starts, runs and
finishes successfully. Inside the same stderr, i can see Spark job related
logs, and spark job results printed, and application report indicating status.
You can see the exception below (this is from the stderr of the mapper
container which launches Spark job):
---
INFO: Communication exception: java.net.ConnectException: Call From
<my-hostname>/10.3.8.118 to <my-hostname>:53567 failed on connection exception:
java.net.ConnectException: Connection refused;
Caused by: java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)
at
org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:614)
at
org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:712)
at org.apache.hadoop.ipc.Client$Connection.access$2900(Client.java:375)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1528)
at org.apache.hadoop.ipc.Client.call(Client.java:1451)
... 5 more
---
Nov 05, 2016 2:41:54 AM org.apache.hadoop.ipc.Client handleConnectionFailure
INFO: Retrying connect to server: <my-hostname>/10.3.8.118:53567. Already tried
9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1000 MILLISECONDS)
Nov 05, 2016 2:41:54 AM org.apache.hadoop.mapred.Task run
INFO: Communication exception: java.net.ConnectException: Call From
<my-hostname>/10.3.8.118 to <my-hostname>:53567 failed on connection exception:
java.net.ConnectException: Connection refused; For more details see:
http://wiki.apache.org/hadoop/ConnectionRefused
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:792)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:732)
at org.apache.hadoop.ipc.Client.call(Client.java:1479)
at org.apache.hadoop.ipc.Client.call(Client.java:1412)
at
org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:242)
at com.sun.proxy.$Proxy9.ping(Unknown Source)
at org.apache.hadoop.mapred.Task$TaskReporter.run(Task.java:767)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)
at
org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:614)
at
org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:712)
at org.apache.hadoop.ipc.Client$Connection.access$2900(Client.java:375)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1528)
at org.apache.hadoop.ipc.Client.call(Client.java:1451)
... 5 more
---
Nov 05, 2016 2:41:54 AM org.apache.hadoop.mapred.Task logThreadInfo
INFO: Process Thread Dump: Communication exception
10 active threads
Thread 24 (org.apache.hadoop.hdfs.PeerCache@4763c727):
State: TIMED_WAITING
Blocked count: 0
Waited count: 79
Stack:
java.lang.Thread.sleep(Native Method)
org.apache.hadoop.hdfs.PeerCache.run(PeerCache.java:255)
org.apache.hadoop.hdfs.PeerCache.access$000(PeerCache.java:46)
org.apache.hadoop.hdfs.PeerCache$1.run(PeerCache.java:124)
java.lang.Thread.run(Thread.java:745)
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