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From Matei Zaharia <matei.zaha...@gmail.com>
Subject Re: Transitive dependency incompatibility
Date Thu, 20 Mar 2014 18:14:00 GMT
Hi Jaka,

I’d recommend rebuilding Spark with a new version of the HTTPClient dependency. In the future
we want to add a “put the user’s classpath first” option to let users overwrite dependencies.

Matei

On Mar 20, 2014, at 8:42 AM, Jaka Jančar <jaka@kubje.org> wrote:

> 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
>> 
>> 
>> 
>> 
> 


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