org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 1486.0 failed 4 times, most recent failure: Lost task 0.3 in stage 1486.0 (TID 1665) (10.116.129.142 executor 0): org.apache.spark.SparkException: Failed to store executor broadcast spark_join_relation_469_-315473829 in BlockManager.Feb 6, 2019 · I am new to PySpark. I have been writing my code with a test sample. Once I run the code on the larger file(3gb compressed). My code is only doing some filtering and joins. I keep getting errors org.apache.spark.SparkException: Job aborted due to stage failure: Total size of serialized results of 69 tasks (4.0 GB) is bigger than spark.driver.maxResultSize (4.0 GB) 08-23-2021 07:48 AM. set spark.conf.set ("spark.driver.maxResultSize", "20g") get spark.conf.get ("spark.driver.maxResultSize") // 20g which is expected in notebook , I did ...spark.shuffle.consolidateFiles will only help if you override the default to use HashShuffleManager instead of the default HashShuffleManager enabled by default after Spark 1.2 (which defaults to spark.shuffle.manager=sort), and I think does not even apply to Spark 2.x –Aug 23, 2021 · org.apache.spark.SparkException: Job aborted due to stage failure: Total size of serialized results of 69 tasks (4.0 GB) is bigger than spark.driver.maxResultSize (4.0 GB) 08-23-2021 07:48 AM. set spark.conf.set ("spark.driver.maxResultSize", "20g") get spark.conf.get ("spark.driver.maxResultSize") // 20g which is expected in notebook , I did ... Jan 4, 2019 · Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 2.0 failed 1 times, most recent failure: Lost task 0.0 in stage 2.0 (TID 119, localhost, executor driver): ExecutorLostFailure (executor driver exited caused by one of the running tasks) Reason: Executor heartbeat timed out after 128839 ... org.apache.spark.SparkException: Job aborted due to stage failure: Task in stage failed，Lost task in stage : ExecutorLostFailure (executor 4 lost) 12 org.apache.spark.SparkException: Job aborted due to stage failure: Task 98 in stage 11.0 failed 4 timesFeb 24, 2022 · Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 5 in stage 76.0 failed 4 times, most recent failure: Lost task 5.3 in stage 76.0 (TID 2334) (10.139.64.5 executor 6): com.databricks.sql.io.FileReadException: Error while reading file <File_Path> It is possible the underlying files have been updated. Jun 9, 2020 · Our reports and datasets imports data from Databricks Spark Delta tables using the Spark connector into our Premium P1 capacity. We're using incremental refresh for the larger (fact) tables, but we're having trouble with the initial refresh after publishing the pbix file. When refreshing large datasets it often fails after 30-60 minutes with ... 1 Answer. PySpark DF are lazy loading. When you call .show () you are asking the prior steps to execute and anyone of them may not work, you just can't see it until you call .show () because they haven't executed. I go back to earlier steps and call .collect () on each operation of the DF. This will at least allow you to isolate where the bad ...Dec 29, 2020 · When I run the demo : from pyspark.ml.linalg import Vectors import tempfile conf = SparkConf().setAppName('ansonzhou_test').setAll([ ('spark.executor.memory', '8g ... Nov 11, 2021 · 1 Answer. PySpark DF are lazy loading. When you call .show () you are asking the prior steps to execute and anyone of them may not work, you just can't see it until you call .show () because they haven't executed. I go back to earlier steps and call .collect () on each operation of the DF. This will at least allow you to isolate where the bad ... Nov 1, 2017 · Saved searches Use saved searches to filter your results more quickly You may not have right permissions. I have the same problem when I use a docker image jupyter/pyspark-notebook to run an example code of pyspark, and it was solved by using root within the container.Mar 23, 2014 · FYI in Spark 2.4 a lot of you will probably encounter this issue. Kryo serialization has gotten better but in many cases you cannot use spark.kryo.unsafe=true or the naive kryo serializer. For a quick fix try changing the following in your Spark configuration spark.kryo.unsafe="false" OR. spark.serializer="org.apache.spark.serializer ... Jun 1, 2022 · Collectives™ on Stack Overflow – Centralized & trusted content around the technologies you use the most. I installed apache-spark and pyspark on my machine (Ubuntu), and in Pycharm, I also updated the environment variables (e.g. spark_home, pyspark_python). I'm trying to do: import os, sys os.environ['org.apache.spark.SparkException: Job aborted due to stage failure: Task 2 in stage 0.0 failed 4 times, most recent failure: Lost task 2.3 in stage 0.0 Updating the dependancy in SBT solved the problem.Aug 26, 2018 · Exception logs: 2018-08-26 16:15:02 INFO DAGScheduler:54 - ResultStage 0 (parquet at ReadDb2HDFS.scala:288) failed in 1008.933 s due to Job aborted due to stage failure: Task 0 in stage 0.0 failed 4 times, most recent failure: Lost task 0.3 in stage 0.0 (TID 3, master, executor 4): ExecutorLostFailure (executor 4 exited caused by one of the ... Aug 20, 2018 · 报错如下： : org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 3.0 failed 4 times, most recent failure: ... But failed with 10GB file. My dataproc has 1 master with 4CPU, 26GB memory, 500GB disk. 5 workers with same config. I guess it should've been able to handle 10GB data. My command is toDatabase.repartition (10).write.json ("gs://mypath") Error is. org.apache.spark.SparkException: Job aborted. at org.apache.spark.sql.execution.datasources ...I am trying to run a pyspark job but it is failing on RDD collectAndServe method. I do not have any memory issues. I have all updated jars in my jars folder. Python worker is crashing with below er...Nov 28, 2019 · According to the content of README.md of GitHub repo Azure/azure-cosmosdb-spark as the figure below, you may should switch to use the latest jar file azure-cosmosdb-spark_2.4.0_2.11-1.4.0-uber.jar in it. And the maven repo for Azure CosmosDB Spark has released to 1.4.1 version, as the figure below. Jun 20, 2019 · Here is a method to parallelize serial JDBC reads across multiple spark workers... you can use this as a guide to customize it to your source data ... basically the main prerequisite is to have some kind of unique key to split on. Sep 1, 2022 · use dbr version : 10.4 LTS (includes Apache Spark 3.2.1, Scala 2.12) for spark configuartion edit the spark tab by editing the cluster and use below code there. "spark.sql.ansi.enabled false" Job aborted due to stage failure: Task 5 in stage 3.0 failed 1 times 8 Exception: Java gateway process exited before sending the driver its port number while creating a Spark Session in PythonSparkException: Python worker failed to connect back when execute spark action 4 Pyspark. spark.SparkException: Job aborted due to stage failure: Task 0 in stage 15.0 failed 1 times, java.net.SocketException: Connection resetPyspark. spark.SparkException: Job aborted due to stage failure: Task 0 in stage 15.0 failed 1 times, java.net.SocketException: Connection reset Hot Network Questions Main character is charged an exorbitant computing bill after abusing his uploaded consciousness powersOct 6, 2017 · @Tim, actually no I have set of operations like val source_primary_key = source.map(rec => (rec.split(",")(0), rec)) source_primary_key.persist(StorageLevel.DISK_ONLY) val extra_in_source = source_primary_key.subtractByKey(destination_primary_key) var pureextinsrc = extra_in_source.count() extra_in_source.cache()and so on but before this its throwing out of memory exception while im fetching ... Oct 31, 2022 · I am trying to run a pyspark job but it is failing on RDD collectAndServe method. I do not have any memory issues. I have all updated jars in my jars folder. Python worker is crashing with below er... Mar 24, 2018 · Here is the full list of commands creating the list, writing it to HDFS and finally printing out the results on the console using hdfs: spark-shell. After the shell has started you type: val nums = sc.parallelize (List (1,2,3,4,5)) nums.saveAsTextFile ("/tmp/simple_list") :quit. Now we read the data from HDFS (Hadoop File System): Feb 23, 2022 · I am running spark jobs using datafactory in azure databricks. My cluster vesion is 9.1 LTS ML (includes Apache Spark 3.1.2, Scala 2.12). I am writing data on azure blob storage. While writing job ... Error: org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 1985.0 failed 4 times, most recent failure: Lost task 0.3 in stage 1985.0 (TID 57569, 10.139.64.12, executor 15): com.microsoft.sqlserver.jdbc.SQLServerException: Conversion failed when converting the nvarchar value 'Aug' to data type int.: org.apache.spark.SparkException: Job aborted due to stage failure: Serialized task 302987:27 was 139041896 bytes, which exceeds max allowed: spark.akka.frameSize (134217728 bytes) - reserved (204800 bytes).Apr 19, 2015 · org.apache.spark.SparkException: Job aborted due to stage failure: Task 7 in stage 0.0 failed 4 times, most recent failure: Lost task 7.3 in stage 0.0 (TID 11, fujitsu11.inevm.ru):java.lang.ClassNotFoundException: maven.maven1.Document java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:35... May 2, 2016 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams 1 Answer. PySpark DF are lazy loading. When you call .show () you are asking the prior steps to execute and anyone of them may not work, you just can't see it until you call .show () because they haven't executed. I go back to earlier steps and call .collect () on each operation of the DF. This will at least allow you to isolate where the bad ...SparkException: Python worker failed to connect back when execute spark action 4 Pyspark. spark.SparkException: Job aborted due to stage failure: Task 0 in stage 15.0 failed 1 times, java.net.SocketException: Connection resetorg.apache.spark.SparkException: Job aborted due to stage failure: Task 29 in stage 0.0 failed 4 times, most recent failure: Lost task 29.3 in stage 0.0 (TID 92, 10.252.252.125, executor 23): ExecutorLostFailure (executor 23 exited caused by one of the running tasks) Reason: Remote RPC client disassociated.org.apache.spark.SparkException: Job aborted due to stage failure: Task 29 in stage 0.0 failed 4 times, most recent failure: Lost task 29.3 in stage 0.0 (TID 92, 10.252.252.125, executor 23): ExecutorLostFailure (executor 23 exited caused by one of the running tasks) Reason: Remote RPC client disassociated.Jan 3, 2022 · Based on the code , am not seeing anything wrong . Still you can analysis this issue based on the following data related . Make sure 4th line lines rdd has the data based on the collect(). 2 Answers. df.toPandas () collects all data to the driver node, hence it is very expensive operation. Also there is a spark property called maxResultSize. spark.driver.maxResultSize (default 1G) --> Limit of total size of serialized results of all partitions for each Spark action (e.g. collect) in bytes. Should be at least 1M, or 0 for unlimited.Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsSep 1, 2022 · use dbr version : 10.4 LTS (includes Apache Spark 3.2.1, Scala 2.12) for spark configuartion edit the spark tab by editing the cluster and use below code there. "spark.sql.ansi.enabled false" hello everyone I am working on PySpark Python and I have mentioned the code and getting some issue, I am wondering if someone knows about the following issue? windowSpec = Window.partitionBy(df['id']).orderBy(df_Broadcast['id']) windowSp...Feb 6, 2019 · I am new to PySpark. I have been writing my code with a test sample. Once I run the code on the larger file(3gb compressed). My code is only doing some filtering and joins. I keep getting errors org.apache.spark.SparkException: Job aborted due to stage failure: Task XXX in stage YYY failed 4 times, most recent failure: Lost task XXX in stage YYY (TID ZZZ, ip-xxx-xx-x-xxx.compute.internal, executor NNN): ExecutorLostFailure (executor NNN exited caused by one of the running tasks) Reason: ... 解決方法 理由コードの検索You may not have right permissions. I have the same problem when I use a docker image jupyter/pyspark-notebook to run an example code of pyspark, and it was solved by using root within the container.Oct 30, 2018 · You need to change this parameter in the cluster configuration. Go into the cluster settings, under Advanced select spark and paste spark.driver.maxResultSize 0 (for unlimited) or whatever the value suits you. Using 0 is not recommended. You should optimize the job by re partitioning. Solve : org.apache.spark.SparkException: Job aborted due to stage failure 1 Spark Error: Executor XXX finished with state EXITED message Command exited with code 1 exitStatus 1Go into the cluster settings, under Advanced select spark and paste spark.driver.maxResultSize 0 (for unlimited) or whatever the value suits you. Using 0 is not recommended. You should optimize the job by re partitioning. For more details, refer "Spark Configurations - Application Properties". Hope this helps. Do let us know if you any further ...Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 2.0 failed 1 times, most recent failure: Lost task 0.0 in stage 2.0 (TID 119, localhost, executor driver): ExecutorLostFailure (executor driver exited caused by one of the running tasks) Reason: Executor heartbeat timed out after 128839 ...Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Total size of serialized results of 478 tasks (2026.0 MB) is bigger than spark.driver.maxResultSize (1024.0 MB) 当然可以通过调大spark.driver.maxResultSize的默认配置来解决问题，但如果不能从源头上解决小文件问题，以后还可能遇到 ...Nov 28, 2019 · : org.apache.spark.SparkException: Job aborted due to stage failure: Task 9 in stage 47.0 failed 4 times, most recent failure: Lost task 9.3 in stage 47.0 (TID 2256, ip-172-31-00-00.eu-west-1.compute.internal, executor 10): org.apache.spark.sql.execution.QueryExecutionException: Parquet column cannot be converted in file s3a://bucket/prod ... 1. "Accept timed out" generally points to a problem with your spark instance. It may be overloaded or not enough resources (memory/cpu) to start your job or it might be a temporary network issue. You can monitor you jobs on Spark UI. Also there is some issue with your code.May 11, 2022 · If absolutely necessary you can set the property spark.driver.maxResultSize to a value <X>g higher than the value reported in the exception message in the cluster Spark config ( AWS | Azure ): spark.driver.maxResultSize < X > g. The default value is 4g. For details, see Application Properties. If you set a high limit, out-of-memory errors can ... Nov 12, 2018 · Pyspark. spark.SparkException: Job aborted due to stage failure: Task 0 in stage 15.0 failed 1 times, java.net.SocketException: Connection reset Hot Network Questions Does America, like non-democratic countries like China, also have factions? Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 6 in stage 16.0 failed 4 times, most recent failure: Lost task 6.3 in stage 16.0 (TID 478, idc-sql-dms-13, executor 40): ExecutorLostFailure (executor 40 exited caused by one of the running tasks) Reason: Container killed by YARN for exceeding memory limits. 11.8 ... Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brandFeb 1, 2017 · Pyspark. spark.SparkException: Job aborted due to stage failure: Task 0 in stage 15.0 failed 1 times, java.net.SocketException: Connection reset Hot Network Questions Main character is charged an exorbitant computing bill after abusing his uploaded consciousness powers If absolutely necessary you can set the property spark.driver.maxResultSize to a value <X>g higher than the value reported in the exception message in the cluster Spark config ( AWS | Azure ): spark.driver.maxResultSize < X > g. The default value is 4g. For details, see Application Properties. If you set a high limit, out-of-memory errors can ...spark.shuffle.consolidateFiles will only help if you override the default to use HashShuffleManager instead of the default HashShuffleManager enabled by default after Spark 1.2 (which defaults to spark.shuffle.manager=sort), and I think does not even apply to Spark 2.x –Sep 21, 2021 · I am trying to solve the problems from O'Reilly book of Learning Spark. Below part of code is working fine from pyspark.sql.types import * from pyspark.sql import SparkSession from pyspark.sql.func... strange org.apache.spark.SparkException: Job aborted due to stage failure again. I'm trying to deploy spark application on standalone mode. In this application I'm training Naive Bayes classifier by using tf-idf vectors. I wrote application in similar manner to this post ( Spark MLLib TFIDF implementation for LogisticRegression ) The difference ...Nov 15, 2021 · Job aborted due to stage failure: Task 5 in stage 3.0 failed 1 times 8 Exception: Java gateway process exited before sending the driver its port number while creating a Spark Session in Python Go into the cluster settings, under Advanced select spark and paste spark.driver.maxResultSize 0 (for unlimited) or whatever the value suits you. Using 0 is not recommended. You should optimize the job by re partitioning. For more details, refer "Spark Configurations - Application Properties". Hope this helps. Do let us know if you any further ...May 11, 2022 · If absolutely necessary you can set the property spark.driver.maxResultSize to a value <X>g higher than the value reported in the exception message in the cluster Spark config ( AWS | Azure ): spark.driver.maxResultSize < X > g. The default value is 4g. For details, see Application Properties. If you set a high limit, out-of-memory errors can ... Solution 1. Check your environment variables. You are getting “py4j.protocol.Py4JError: org.apache.spark.api.python.PythonUtils.getEncryptionEnabled does not exist in the JVM” due to Spark environemnt variables are not set right.org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 188.0 failed 4 in Data Engineering a month ago; SparkException: There is no Credential Scope. in Data Governance a month agoorg.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 1486.0 failed 4 times, most recent failure: Lost task 0.3 in stage 1486.0 (TID 1665) (10.116.129.142 executor 0): org.apache.spark.SparkException: Failed to store executor broadcast spark_join_relation_469_-315473829 in BlockManager.org.apache.spark.SparkException: Job aborted due to stage failure: Task XXX in stage YYY failed 4 times, most recent failure: Lost task XXX in stage YYY (TID ZZZ, ip-xxx-xx-x-xxx.compute.internal, executor NNN): ExecutorLostFailure (executor NNN exited caused by one of the running tasks) Reason: ... 解決方法 理由コードの検索SparkException：执行 spark 操作时 Python 工作线程无法连接回spark.SparkException: Python worker failed to connect back.问问题当我尝试在 pyspark 执行此命令行时from pyspark import SparkConf, SparkContext# 创建SparkConf和SparkContextconf = SparkConf().setMaster("local").setAppName("licWhen I run the demo : from pyspark.ml.linalg import Vectors import tempfile conf = SparkConf().setAppName('ansonzhou_test').setAll([ ('spark.executor.memory', '8g ...Nov 1, 2017 · Saved searches Use saved searches to filter your results more quickly org.apache.spark.SparkException: Job aborted due to stage failure: Task 2 in stage 0.0 failed 4 times, most recent failure: Lost task 2.3 in stage 0.0 Updating the dependancy in SBT solved the problem.Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brandHere are some ideas to fix this error: Serializable the class. Declare the instance only within the lambda function passed in map. Make the NotSerializable object as a static and create it once per machine. Call rdd.forEachPartition and create the NotSerializable object in there like this: rdd.forEachPartition (iter -> { NotSerializable ... Oct 6, 2016 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams hello everyone I am working on PySpark Python and I have mentioned the code and getting some issue, I am wondering if someone knows about the following issue? windowSpec = Window.partitionBy(df['id']).orderBy(df_Broadcast['id']) windowSp...Feb 4, 2022 · Currently I'm doing PySpark and working on DataFrame. I've created a DataFrame: from pyspark.sql import * import pandas as pd spark = SparkSession.builder.appName("DataFarme").getOrCreate... Saved searches Use saved searches to filter your results more quicklySolve : org.apache.spark.SparkException: Job aborted due to stage failure 1 Spark Error: Executor XXX finished with state EXITED message Command exited with code 1 exitStatus 1Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Aborting TaskSet 0.0 because task 0 (partition 0) cannot run anywhere due to node and executor blacklist.Aug 20, 2018 · 报错如下： : org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 3.0 failed 4 times, most recent failure: ... Oct 31, 2022 · I am trying to run a pyspark job but it is failing on RDD collectAndServe method. I do not have any memory issues. I have all updated jars in my jars folder. Python worker is crashing with below er... Check the Availability of Free RAM - whether it matches the expectation of the job being executed. Run below on each of the servers in the cluster and check how much RAM & Space they have in offer. free -h. If you are using any HDFS files in the Spark job , make sure to Specify & Correctly use the HDFS URL.
不知道是什么原因。. （利用 Spark-submit 提交 参数都正常）. 但是 集群上的版本是1.5，和2.0都无法跑出来结果，但是1.3就能出结果， 所以目前确定是 Spark 1.5以上的版本对协同过滤算法不兼容引起，具体原因不详。. task倾斜原因比较多，网络io,cpu,mem都有可能造成 .... Buy here pay here anderson sc dollar500 down
Jan 4, 2019 · Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 2.0 failed 1 times, most recent failure: Lost task 0.0 in stage 2.0 (TID 119, localhost, executor driver): ExecutorLostFailure (executor driver exited caused by one of the running tasks) Reason: Executor heartbeat timed out after 128839 ... Mar 30, 2020 · org.apache.spark.SparkException: Job aborted due to stage failure: Task 29 in stage 0.0 failed 4 times, most recent failure: Lost task 29.3 in stage 0.0 (TID 92, 10.252.252.125, executor 23): ExecutorLostFailure (executor 23 exited caused by one of the running tasks) Reason: Remote RPC client disassociated. org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle 0 解决方法：这种问题一般发生在有大量shuffle操作的时候,task不断的failed,然后又重执行，一直循环下去，直到application失败。>>Job aborted due to stage failure: Total size of serialized results of 19 tasks (4.2 GB) is bigger than spark.driver.maxResultSize (4.0 GB)'.. The exception was raised by the IDbCommand interface. Please take a look at following document about maxResultsize issue:Sep 1, 2022 · use dbr version : 10.4 LTS (includes Apache Spark 3.2.1, Scala 2.12) for spark configuartion edit the spark tab by editing the cluster and use below code there. "spark.sql.ansi.enabled false" Nov 28, 2019 · : org.apache.spark.SparkException: Job aborted due to stage failure: Task 9 in stage 47.0 failed 4 times, most recent failure: Lost task 9.3 in stage 47.0 (TID 2256, ip-172-31-00-00.eu-west-1.compute.internal, executor 10): org.apache.spark.sql.execution.QueryExecutionException: Parquet column cannot be converted in file s3a://bucket/prod ... Solve : org.apache.spark.SparkException: Job aborted due to stage failure Load 7 more related questions Show fewer related questions 0org.apache.spark.SparkException: Job aborted due to stage failure: ShuffleMapStage 20 (repartition at data_prep.scala:87) has failed the maximum allowable number of times: 4. Most recent failure reason: org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle 9Job aborted due to stage failure: Task 5 in stage 3.0 failed 1 times 8 Exception: Java gateway process exited before sending the driver its port number while creating a Spark Session in PythonIf absolutely necessary you can set the property spark.driver.maxResultSize to a value <X>g higher than the value reported in the exception message in the cluster Spark config ( AWS | Azure ): spark.driver.maxResultSize < X > g. The default value is 4g. For details, see Application Properties. If you set a high limit, out-of-memory errors can ...Dec 6, 2018 · 1. "Accept timed out" generally points to a problem with your spark instance. It may be overloaded or not enough resources (memory/cpu) to start your job or it might be a temporary network issue. You can monitor you jobs on Spark UI. Also there is some issue with your code. org.apache.spark.SparkException: Job aborted due to stage failure: Task 73 in stage 979.0 failed 1 times, most recent failure: Lost task 73.0 in stage 979.0 (TID 32624, localhost, executor driver): org.apache.spark.SparkException: Failed to execute user defined function($anonfun$4: (struct<other_double_VectorAssembler_a2059b1f0691:double ...Jan 3, 2022 · Based on the code , am not seeing anything wrong . Still you can analysis this issue based on the following data related . Make sure 4th line lines rdd has the data based on the collect(). 不知道是什么原因。. （利用 Spark-submit 提交 参数都正常）. 但是 集群上的版本是1.5，和2.0都无法跑出来结果，但是1.3就能出结果， 所以目前确定是 Spark 1.5以上的版本对协同过滤算法不兼容引起，具体原因不详。. task倾斜原因比较多，网络io,cpu,mem都有可能造成 ....