Could the executor use isolated classloaders, in order not to pullute the environment with it's own stuff?
On Wednesday, March 19, 2014 at 8:30 AM, Jaka Jančar wrote: > Hi, > > I'm getting the following error: > > java.lang.NoSuchMethodError: > org.apache.http.impl.conn.DefaultClientConnectionOperator.<init>(Lorg/apache/http/conn/scheme/SchemeRegistry;Lorg/apache/http/conn/DnsResolver;)V > at > org.apache.http.impl.conn.PoolingClientConnectionManager.createConnectionOperator(PoolingClientConnectionManager.java:140) > at > org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:114) > at > org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:99) > at > org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:85) > at > org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:93) > at > com.amazonaws.http.ConnectionManagerFactory.createPoolingClientConnManager(ConnectionManagerFactory.java:26) > at > com.amazonaws.http.HttpClientFactory.createHttpClient(HttpClientFactory.java:96) > at com.amazonaws.http.AmazonHttpClient.<init>(AmazonHttpClient.java:155) > at > com.amazonaws.AmazonWebServiceClient.<init>(AmazonWebServiceClient.java:119) > at > com.amazonaws.AmazonWebServiceClient.<init>(AmazonWebServiceClient.java:103) > at com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:334) > at com.celtra.analyzer.TrackingLogRDD.createClient(TrackingLogRDD.scala:131) > at com.celtra.analyzer.TrackingLogRDD.compute(TrackingLogRDD.scala:117) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:237) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:226) > at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:107) > at org.apache.spark.scheduler.Task.run(Task.scala:53) > at > org.apache.spark.executor.Executor$TaskRunner$$anonfun$run$1.apply$mcV$sp(Executor.scala:215) > at org.apache.spark.deploy.SparkHadoopUtil.runAsUser(SparkHadoopUtil.scala:50) > at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:182) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:744) > > My app uses the AWS SDK, which requires > org.apache.httpcomponents:httpclient:4.2. > > I believe the error is caused by the fact that an older version of the > package is already present on the classpath: > > Spark -> Akka -> sjson -> org.apache.httpcomponents:httpclient:4.1 > Spark -> jets3t -> commons-httpclient:commons-httpclient:3.1 > > > What are my options if I need to use a newer version of the library in my app? > > Thanks, > Jaka > > > > >
