This error may able to occur when SparkContext got some error to connect to Spark cluster.
Could you share how you configured Zeppelin? Have you export SPARK_HOME and set 'master' property in 'Interpreter' page? Thanks, moon On Fri, Nov 6, 2015 at 1:03 AM Bill Sparks <jspa...@cray.com> wrote: > Hello. > > I'm trying to run the master branch on CentOS6.5. > > My compile completes and the server start successfully, in the log file I > see the following warnings. Question, are these expected? Also I'm uses > spark with Mesos, I've followed the wiki instruction s but get the > following stack trace on a simple inspection of the spark contect variable > sc. Note the spark-shell executes successfully. I'm thinking it has > something to do with the thrift server not running or … not even getting to > executing the spark job. > > Regards > -Bill > > Startup Warnings (running as root): > > [root@maryann4 incubator-zeppelin]# ./bin/zeppelin.sh > OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=1024m; > support was removed in 8.0 > SLF4J: Class path contains multiple SLF4J bindings. > SLF4J: Found binding in > [jar:file:/mnt/lustre/notebooks/zeppelin/incubator-zeppelin/zeppelin-server/target/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: Found binding in > [jar:file:/mnt/lustre/notebooks/zeppelin/incubator-zeppelin/zeppelin-zengine/target/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: Found binding in > [jar:file:/mnt/lustre/notebooks/zeppelin/incubator-zeppelin/zeppelin-interpreter/target/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an > explanation. > SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] > Nov 05, 2015 9:59:13 AM com.sun.jersey.api.core.PackagesResourceConfig init > INFO: Scanning for root resource and provider classes in the packages: > org.apache.zeppelin.rest > Nov 05, 2015 9:59:13 AM com.sun.jersey.api.core.ScanningResourceConfig > logClasses > INFO: Root resource classes found: > class org.apache.zeppelin.rest.NotebookRestApi > class org.apache.zeppelin.rest.ZeppelinRestApi > class org.apache.zeppelin.rest.InterpreterRestApi > Nov 05, 2015 9:59:13 AM com.sun.jersey.api.core.ScanningResourceConfig init > INFO: No provider classes found. > Nov 05, 2015 9:59:13 AM > com.sun.jersey.server.impl.application.WebApplicationImpl _initiate > INFO: Initiating Jersey application, version 'Jersey: 1.13 06/29/2012 > 05:14 PM' > Nov 05, 2015 9:59:14 AM com.sun.jersey.spi.inject.Errors > processErrorMessages > WARNING: The following warnings have been detected with resource and/or > provider classes: > WARNING: A sub-resource method, public javax.ws.rs.core.Response > org.apache.zeppelin.rest.NotebookRestApi.createNote(java.lang.String) > throws java.io.IOException, with URI template, "/", is treated as a > resource method > WARNING: A sub-resource method, public javax.ws.rs.core.Response > org.apache.zeppelin.rest.NotebookRestApi.getNotebookList() throws > java.io.IOException, with URI template, "/", is treated as a resource method > WARNING: A HTTP GET method, public javax.ws.rs.core.Response > org.apache.zeppelin.rest.InterpreterRestApi.listInterpreter(java.lang.String), > should not consume any entity. > > Error via spark interpreter … > > java.net.ConnectException: Connection refused at > java.net.PlainSocketImpl.socketConnect(Native Method) at > java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345) > at > java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) > at > java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at > java.net.Socket.connect(Socket.java:589) at > org.apache.thrift.transport.TSocket.open(TSocket.java:182) at > org.apache.zeppelin.interpreter.remote.ClientFactory.create(ClientFactory.java:51) > at > org.apache.zeppelin.interpreter.remote.ClientFactory.create(ClientFactory.java:37) > at > org.apache.commons.pool2.BasePooledObjectFactory.makeObject(BasePooledObjectFactory.java:60) > at > org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:861) > at > org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435) > at > org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess.getClient(RemoteInterpreterProcess.java:139) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreter.init(RemoteInterpreter.java:137) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreter.getFormType(RemoteInterpreter.java:257) > at > org.apache.zeppelin.interpreter.LazyOpenInterpreter.getFormType(LazyOpenInterpreter.java:104) > at org.apache.zeppelin.notebook.Paragraph.jobRun(Paragraph.java:197) at > org.apache.zeppelin.scheduler.Job.run(Job.java:170) at > org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.run(RemoteScheduler.java:304) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > -- > Jonathan (Bill) Sparks > Software Architecture > >
