I am trying to run Spark Job server on a multi node server.
I have set master="yarn-client" on the namenode
When I run server_start.sh
I get an error
Error: Exception thrown by the agent : java.lang.NullPointerException
The error is not coming due to used port. Port 8090 is free
Related
I'm having an error when running yarn on a job. HDFS and Yarn both start up fine, jps shows everything normal, pseudo-distributed mode on HDFS works perfectly, and I have triple and quadruple checked my configuration files. Whenever I attempt to run Yarn, however, this happens:
INFO retry.RetryInvocationHandler: java.net.ConnectException: Call From serverA/IPaddress to serverB:30170 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused, while invoking ApplicationClientProtocolPBClientImpl.getNewApplication over null after 6 failover attempts. Trying to failover after sleeping for 44428ms.
Yarn then attempts to connect over and over again until I forcefully quit the process. Any ideas why this is happening?
Can you see yarn web ui?
How did you start hdfs and yarn?
You can try ./sbin/start-all.sh
worker which is in one of the supervisor is getting restarted continuously and getting Closedchannel exception . But if run the same topology in another storm cluster which is in another environment , it is running without giving any errors.
Below is the error i can see from Storm UI.
java.lang.RuntimeException: java.nio.channels.ClosedChannelException at org.apache.storm.kafka.ZkCoordinator.refresh(ZkCoordinator.java:103) at org.apache.storm.kafka.ZkCoordinator.getMyManagedPartitions(ZkCoordinator.java:69) at org.apache.storm.kafka.KafkaSpout.nextTuple(KafkaSpout.java:129) at org.apache.storm.daemon.executor$fn__7990$fn__8005$fn__8036.invoke(executor.clj:648) at org.apache.storm.util$async_loop$fn__624.invoke(util.clj:484) at clojure.lang.AFn.run(AFn.java:22) at java.lang.Thread.run(Thread.java:745) Caused by: java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.consumer.SimpleConsumer.liftedTree1$1(SimpleConsumer.scala:78) at kafka.consumer.SimpleConsumer.kafka$consumer$SimpleConsumer$$sendRequest(SimpleConsumer.scala:68) at kafka.consumer.SimpleConsumer.getOffsetsBefore(SimpleConsumer.scala:127) at kafka.javaapi.consumer.SimpleConsumer.getOffsetsBefore(SimpleConsumer.scala:79) at org.apache.storm.kafka.KafkaUtils.getOffset(KafkaUtils.java:75) at org.apache.storm.kafka.KafkaUtils.getOffset(KafkaUtils.java:65) at org.apache.storm.kafka.PartitionManager.(PartitionManager.java:94) at org.apache.storm.kafka.ZkCoordinator.refresh(ZkCoordinator.java:98) ... 6 mo
Can any one please help me to find out the exact issue.Please let me know if need any more information.
I faced this issue and problem was that ZooKeeper host names not being resolved from worker host.
I have a remote spark on yarn cluster that if I use rstudio server(web version) hosted on that cluster to connect in client mode I can do the following:
sc <- SparkR::sparkR.init(master = "yarn-client")
However if I try to use rstudio on my local machine to connect to that spark cluster the same way then I have errors:
ERROR SparkContext: Error initializing SparkContext.
org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application master
...
ERROR Utils: Uncaught exception in thread nioEventLoopGroup-2-2
java.lang.NullPointerException
...
ERROR RBackendHandler: createSparkContext on org.apache.spark.api.r.RRDD failed
Error in invokeJava(isStatic = TRUE, className, methodName, ...) :
org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application master.
A more detailed error message on hadoop application tracking page is like this:
User: blueivy
Name: SparkR
Application Type: SPARK
Application Tags:
State: FAILED
FinalStatus: FAILED
Started: 27-Oct-2015 11:07:09
Elapsed: 4mins, 39sec
Tracking URL: History
Diagnostics:
Application application_1445628650748_0027 failed 2 times due to AM Container for appattempt_1445628650748_0027_000002 exited with exitCode: 10
For more detailed output, check application tracking page:http://master:8088/proxy/application_1445628650748_0027/Then, click on links to logs of each attempt.
Diagnostics: Exception from container-launch.
Container id: container_1445628650748_0027_02_000001
Exit code: 10
Stack trace: ExitCodeException exitCode=10:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:538)
at org.apache.hadoop.util.Shell.run(Shell.java:455)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:715)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:211)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
at java.util.concurrent.FutureTask.run(FutureTask.java:267)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:618)
at java.lang.Thread.run(Thread.java:785)
Container exited with a non-zero exit code 10
Failing this attempt. Failing the application.
I have the same configurations and environment for hadoop and spark with remote cluster: spark 1.5.1, hadoop 2.6.0 and ubuntu 14.04. Anyone can help me find what's my mistake here?
I have build a hadoop cluster on ECS on Aliyun of Alibaba.com( it's like AWS）. The OS is Ubuntu12.04 . The version of Hadoop is 2.7.1
The cluster is consisted of one master and two slaves.
I can start it successfully. Every node can work well, and I
can use ssh to access two slave node from master node.
Every node is started.
But when I run the wordcount program, there is something wrong. The
error is as following:
exception: java.net.ConnectException: Call From master/10.144.52.189 to localhost:38635 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
When I added Port 38635 in the file /etc/ssh/sshd_config, I run the wordcount program again. The error is still existed, the only difference is the Port 38635 changed.
exception: java.net.ConnectException: Call From master/10.144.52.189 to localhost:46656 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
How to fix this problem? The ports 38635 and 46656 are added in /etc/ssh/sshd_config, the error occurs when run the wordcount program with a new port in the error information.
Mapreduce job failed because of container failed with below log.
15/03/21 20:18:25 INFO mapreduce.Job: Job job_1426295876693_0015 failed with state FAILED due to: Application application_1426295876693_0015 failed 2 times due to Error launching appattempt_1426295876693_0015_000002. Got exception: org.apache.hadoop.yarn.exceptions.YarnException: Unauthorized request to start container.
This token is expired. current time is 1426996344559 found 1426969281613
It means that your cluster is not synced with same system time. Install NTP server. It will fix your issue.