Org.apache.spark.sparkexception exception thrown in awaitresult - I have an app where after doing various processes in pyspark I have a smaller dataset which I need to convert to pandas before uploading to elasticsearch. I have res = result.select("*").toPandas() On my local when I use spark-submit --master "local[*]" app.py It works perfectly fine. I also ...

 
Sep 26, 2017 · I'm deploying a Spark Apache application using standalone cluster manager. My architecture uses 2 Windows machines: one set as a master, and another set as a slave (worker). Master: on which I run: \bin>spark-class org.apache.spark.deploy.master.Master and this is what the web UI shows: . Cheap apartments in nj under dollar600

"org.apache.spark.SparkException: Exception thrown in awaitResult" failing intermittently a Spark mapping that accesses Hive tables ERROR: "java.lang.OutOfMemoryError: Java heap space" while running a mapping in Spark Execution mode using InformaticaYarn throws the following exception in cluster mode when the application is really small: My program runs fine in client mode ,but when I try to run in cluster mode if fails ,the reason for that is the python version on the cluster nodes is different I am trying to set the python driver...这样再用这16个TPs取分别执行其 c.seekToEnd (TP)时,遇到这8个已经分配到consumer-B的TPs,就会抛此异常; 个人理解: 这个实现应是Spark-Streaming-Kafak这个框架的要求,即每个Spark-kafak任务, consumerGroup必须是专属 (唯一的); 相关原理和源码. DirectKafkaInputDStream.latestOffsets(){ val parts ...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. However, after running for a couple of days in production, the spark application faces some network hiccups from S3 that causes an exception to be thrown and stops the application. It's also worth mentioning that this application runs on Kubernetes using GCP's Spark k8s Operator . Aug 31, 2019 · Used Spark version Spark:2.2.0 (in Ambari) Used Spark Job Server version (Released version, git branch or docker image version) Spark-Job-Server:0.9 / 0.8 Deployed mode (client/cluster on Spark Sta... I am trying to setup hadoop 3.1.2 with spark in windows. i have started hdfs cluster and i am able to create,copy files in hdfs. When i try to start spark-shell with yarn i am facing ERROR cluster.Converting a dataframe to Panda data frame using toPandas() fails. Spark 3.0.0 Running in stand-alone mode using docker containers based on jupyter docker stack here: ...Nov 2, 2020 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Dec 12, 2022 · The cluster version Im using is the latest: 3.3.1\Hadoop 3. The master node is starting without an issue and Im able to register the workers on each worker node using the following comand: spark-class org.apache.spark.deploy.worker.Worker spark://<Master-IP>:7077 --host <Worker-IP>. When I register the worker , its able to connect and register ... Jul 18, 2020 · I am trying to run a pyspark program by using spark-submit: from pyspark import SparkConf, SparkContext from pyspark.sql import SQLContext from pyspark.sql.types import * from pyspark.sql import What's going on in the driver at the time of this failure? It could be due to memory pressure on the driver causing it to be unresponsive. If I recall correctly, the MapOutputTracker that it's trying to get to when it calls GetMapOutputStatuses is running in the Spark driver driver process.What's going on in the driver at the time of this failure? It could be due to memory pressure on the driver causing it to be unresponsive. If I recall correctly, the MapOutputTracker that it's trying to get to when it calls GetMapOutputStatuses is running in the Spark driver driver process.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.Jul 5, 2017 · @Hugo Felix. Thank you for sharing the tutorial. I was able to replicate the issue and I found the issue to be with incompatible jars. I am using the following precise versions that I pass to spark-shell. public static <T> T awaitResult(scala.concurrent.Awaitable<T> awaitable, scala.concurrent.duration.Duration atMost) throws SparkException Preferred alternative to Await.result() . This method wraps and re-throws any exceptions thrown by the underlying Await call, ensuring that this thread's stack trace appears in logs.I want to create an empty dataframe out of an existing spark dataframe. I use pyarrow support (enabled in spark conf). When I try to create an empty dataframe out of an empty RDD and the same schem...Nov 9, 2021 · Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 43.0 failed 1 times, most recent failure: Lost task 0.0 in stage 43.0 (TID 97) (ip-10-172-188- 62.us-west-2.compute.internal executor driver): java.lang.OutOfMemoryError: Java heap space. May 3, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. 它提供了低级别、轻量级、高保真度的2D渲染。. 该框架可以用于基于路径的绘图、变换、颜色管理、脱屏渲染，模板、渐变、遮蔽、图像数据管理、图像的创建、遮罩以及PDF文档的创建、显示和分析等。. 为了从感官上对这些概念做一个入门的认识，你可以运行 ... Jul 25, 2020 · Exception message: Exception thrown in awaitResult: .Retrying 1 more times. 2020-07-24 22:01:18,988 WARN [Thread-9] redshift.RedshiftWriter (RedshiftWriter.scala:retry$1(135)) - Sleeping 30000 milliseconds before proceeding to retry redshift copy 2020-07-24 22:01:45,785 INFO [spark-dynamic-executor-allocation] spark.ExecutorAllocationManager ... My program runs fine in client mode ,but when I try to run in cluster mode if fails ,the reason for that is the python version on the cluster nodes is different I am trying to set the python driver...spark-shell exception org.apache.spark.SparkException: Exception thrown in awaitResult Ask Question Asked 1 year, 10 months ago Modified 1 year, 5 months ago Viewed 1k times 2 Facing below error while starting spark-shell with yarn master. Shell is working with spark local master.Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Serialized task 2:0 was 155731289 bytes, which exceeds max allowed: spark.rpc.message.maxSize (134217728 bytes). Consider increasing spark.rpc.message.maxSize or using broadcast variables for large values.Check Apache Spark installation on Windows 10 steps. Use different versions of Apache Spark (tried 2.4.3 / 2.4.2 / 2.3.4). Disable firewall windows and antivirus that I have installed. Tried to initialize the SparkContext manually with sc = spark.sparkContext (found this possible solution at this question here in Stackoverflow, didn´t work for ...Nov 24, 2021 · An Azure analytics service that brings together data integration, enterprise data warehousing, and big data analytics. Previously known as Azure SQL Data Warehouse. Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Serialized task 2:0 was 155731289 bytes, which exceeds max allowed: spark.rpc.message.maxSize (134217728 bytes). Consider increasing spark.rpc.message.maxSize or using broadcast variables for large values.In the traceback it says: Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 43.0 failed 1 times, most recent failure: Lost task 0.0 in stage 43.0 (TID 97) (ip-10-172-188- 62.us-west-2.compute.internal executor driver): java.lang.OutOfMemoryError: Java heap spaceApr 15, 2021 · An Azure service that provides an enterprise-wide hyper-scale repository for big data analytic workloads and is integrated with Azure Blob Storage. I am trying to store a data frame to HDFS using the following Spark Scala code. All the columns in the data frame are nullable = true Intermediate_data_final.coalesce(100).write .option("...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. I run this command: display(df), but when I try to download the dataframe I obtain the following error: SparkException: Exception thrown in awaitResult: Caused by: java.io. Stack Overflow AboutMy program runs fine in client mode ,but when I try to run in cluster mode if fails ,the reason for that is the python version on the cluster nodes is different I am trying to set the python driver...Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.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. Apr 23, 2020 · 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. 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(&quot;DataFarme&quot;).getOrCreate...Mar 29, 2020 · Check Apache Spark installation on Windows 10 steps. Use different versions of Apache Spark (tried 2.4.3 / 2.4.2 / 2.3.4). Disable firewall windows and antivirus that I have installed. Tried to initialize the SparkContext manually with sc = spark.sparkContext (found this possible solution at this question here in Stackoverflow, didn´t work for ... Jul 18, 2020 · I am trying to run a pyspark program by using spark-submit: from pyspark import SparkConf, SparkContext from pyspark.sql import SQLContext from pyspark.sql.types import * from pyspark.sql import Spark报错处理. 1、 问题： org.apache.spark.SparkException: Exception thrown in awaitResult. 分析：出现这个情况的原因是spark启动的时候设置的是hostname启动的，导致访问的时候DNS不能解析主机名导致。 问题解决： Jul 28, 2016 · I am running SPARK locally (I am not using Mesos), and when running a join such as d3=join(d1,d2) and d5=(d3, d4) am getting the following exception "org.apache.spark.SparkException: Exception thrown in awaitResult”. Googling for it, I found the following two related links: May 3, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. org.apache.spark.SparkException: Job aborted due to stage failure: Hot Network Questions How to draw 3 equal circles inside a circle in tikz or other way?Jul 25, 2020 · Exception message: Exception thrown in awaitResult: .Retrying 1 more times. 2020-07-24 22:01:18,988 WARN [Thread-9] redshift.RedshiftWriter (RedshiftWriter.scala:retry$1(135)) - Sleeping 30000 milliseconds before proceeding to retry redshift copy 2020-07-24 22:01:45,785 INFO [spark-dynamic-executor-allocation] spark.ExecutorAllocationManager ... Apr 8, 2019 · Create cluster with spark memory settings that change the ratio of memory to CPU: gcloud dataproc clusters create --properties spark:spark.executor.cores=1 for example will change each executor to only run one task at a time with the same amount of memory, whereas Dataproc normally runs 2 executors per machine and divides CPUs accordingly. On 4 ... Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Serialized task 2:0 was 155731289 bytes, which exceeds max allowed: spark.rpc.message.maxSize (134217728 bytes). Consider increasing spark.rpc.message.maxSize or using broadcast variables for large values.org.apache.spark.SparkException: Exception thrown in awaitResult: at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:205) at org.apache.spark.rpc.RpcEnv.setupEndpointRefByURI(RpcEnv.scala:100) 6066 is an HTTP port but via Jobserver config it's making an RPC call to 6066. I am not sure if I have missed anything or is an issue.An error occurred while calling o466.getResult. : org.apache.spark.SparkException: Exception thrown in awaitResult: at org.apache.spark.util.ThreadUtils$.awaitResult (ThreadUtils.scala:428) at org.apache.spark.security.SocketAuthServer.getResult (SocketAuthServer.scala:107) at org.apache.spark.security.SocketAuthServer.getResult (SocketAuthSe...Here is a method to parallelize serial JDBC reads across multiple spark workers... you can use this as a guide to customize it to your source data ... basically the main prerequisite is to have some kind of unique key to split on.Hi! I run 2 to spark an option SPARK_MAJOR_VERSION=2 pyspark --master yarn --verbose spark starts, I run the SC and get an error, the field in the table exactly there. not the problem SPARK_MAJOR_VERSION=2 pyspark --master yarn --verbose SPARK_MAJOR_VERSION is set to 2, using Spark2 Python 2.7.12 ...Summary. org.apache.spark.SparkException: Exception thrown in awaitResult and java.util.concurrent.TimeoutException: Futures timed out after [300 seconds] while running huge spark sql job. The cluster version Im using is the latest: 3.3.1\Hadoop 3. The master node is starting without an issue and Im able to register the workers on each worker node using the following comand: spark-class org.apache.spark.deploy.worker.Worker spark://<Master-IP>:7077 --host <Worker-IP>. When I register the worker , its able to connect and register ...An error occurred while calling o466.getResult. : org.apache.spark.SparkException: Exception thrown in awaitResult: at org.apache.spark.util.ThreadUtils$.awaitResult (ThreadUtils.scala:428) at org.apache.spark.security.SocketAuthServer.getResult (SocketAuthServer.scala:107) at org.apache.spark.security.SocketAuthServer.getResult (SocketAuthSe...What's going on in the driver at the time of this failure? It could be due to memory pressure on the driver causing it to be unresponsive. If I recall correctly, the MapOutputTracker that it's trying to get to when it calls GetMapOutputStatuses is running in the Spark driver driver process.Apr 11, 2016 · Yes, this solved my problem. I was using spark-submit --deploy-mode cluster, but when I changed it to client, it worked fine. In my case, I was executing SQL scripts using a python code, so my code was not "spark dependent", but I am not sure what will be the implications of doing this when you want multiprocessing. – org.apache.spark.sql.execution.joins.BroadcastHashJoin.doExecute(BroadcastHashJoin.scala:110) BroadcastHashJoin physical operator in Spark SQL uses a broadcast variable to distribute the smaller dataset to Spark executors (rather than shipping a copy of it with every task).org.apache.spark.SparkException: **Job aborted due to stage failure: Task 0 in stage 1.0 failed 1 times, most recent failure: Lost task 0.0 in stage 1.0 (TID 1 ...The cluster version Im using is the latest: 3.3.1\Hadoop 3. The master node is starting without an issue and Im able to register the workers on each worker node using the following comand: spark-class org.apache.spark.deploy.worker.Worker spark://<Master-IP>:7077 --host <Worker-IP>. When I register the worker , its able to connect and register ...My first reaction would be to forget about it as you're running your Spark app in sbt so there could be a timing issue between threads of the driver and the executors. Unless you show what led to Nonzero exit code: 1, there's nothing I'd worry about. – Jacek Laskowski. Jan 28, 2019 at 18:07. Ok thanks but my app don't read a file like that.Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsConverting a dataframe to Panda data frame using toPandas() fails. Spark 3.0.0 Running in stand-alone mode using docker containers based on jupyter docker stack here: ...Aug 31, 2019 · Used Spark version Spark:2.2.0 (in Ambari) Used Spark Job Server version (Released version, git branch or docker image version) Spark-Job-Server:0.9 / 0.8 Deployed mode (client/cluster on Spark Sta... Solution When the Spark engine runs applications and broadcast join is enabled, Spark Driver broadcasts the cache to the Spark executors running on data nodes in the Hadoop cluster. The 'autoBroadcastJoinThreshold' will help in the scenarios, when one small table and one big table is involved.org.apache.spark.sql.execution.joins.BroadcastHashJoin.doExecute(BroadcastHashJoin.scala:110) BroadcastHashJoin physical operator in Spark SQL uses a broadcast variable to distribute the smaller dataset to Spark executors (rather than shipping a copy of it with every task).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.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(Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsCheck 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. I have Spark 2.3.1 running on my local windows 10 machine. I haven't tinkered around with any settings in the spark-env or spark-defaults.As I'm trying to connect to spark using spark-shell, I get a failed to connect to master localhost:7077 warning.Sep 27, 2019 · 2. Caused by: org.apache.spark.SparkException: Exception thrown in awaitResult: The default spark.sql.broadcastTimeout is 300 Timeout in seconds for the broadcast wait time in broadcast joins. To overcome this problem increase the timeout time as per required example--conf "spark.sql.broadcastTimeout= 1200" 3. “org.apache.spark.rpc ... Nov 7, 2017 · org.apache.spark.SparkException: **Job aborted due to stage failure: Task 0 in stage 1.0 failed 1 times, most recent failure: Lost task 0.0 in stage 1.0 (TID 1 ... Converting a dataframe to Panda data frame using toPandas() fails. Spark 3.0.0 Running in stand-alone mode using docker containers based on jupyter docker stack here: ... I have followed java.lang.IllegalArgumentException: The servlets named [X] and [Y] are both mapped to the url-pattern [/url] which is not permitted this and it works!!!!! I have an app where after doing various processes in pyspark I have a smaller dataset which I need to convert to pandas before uploading to elasticsearch. I have res = result.select("*").toPandas() On my local when I use spark-submit --master "local[*]" app.py It works perfectly fine. I also ...Add the dependencies on the /jars directory on your SPARK_HOME for each worker in the cluster and the driver (if you didn't do so). I used the second approach. During my docker image creation, I added the libs so when I start my cluster, all containers already have the libraries required.Jan 28, 2019 · My first reaction would be to forget about it as you're running your Spark app in sbt so there could be a timing issue between threads of the driver and the executors. Unless you show what led to Nonzero exit code: 1, there's nothing I'd worry about. – Jacek Laskowski. Jan 28, 2019 at 18:07. Ok thanks but my app don't read a file like that. 解决方案：. 先telnet 10.45.66.176:7077是否能连通？. 检查在master主机检查7077端口属于什么IP，eg. 如下的7077端口则属于127.0.0.1，需要将其修改成其他主机能访问的ip；. image.png. 修改/etc/hosts文件即可，如下：. 127.0.0.1 iotsparkmaster localhost localhost.localdomain localhost4 localhost4 ...May 18, 2022 · "org.apache.spark.SparkException: Exception thrown in awaitResult" failing intermittently a Spark mapping that accesses Hive tables ERROR: "java.lang.OutOfMemoryError: Java heap space" while running a mapping in Spark Execution mode using Informatica Sep 22, 2016 · The above scenario works with spark 1.6 (which is quite surprising that what's wrong with spark 2.0 (or with my installation , I will reinstall, check and update here)). Has anybody tried this on spark 2.0 and got success , by following Yaron's answer below??? Nov 7, 2017 · org.apache.spark.SparkException: **Job aborted due to stage failure: Task 0 in stage 1.0 failed 1 times, most recent failure: Lost task 0.0 in stage 1.0 (TID 1 ... Sep 22, 2016 · The above scenario works with spark 1.6 (which is quite surprising that what's wrong with spark 2.0 (or with my installation , I will reinstall, check and update here)). Has anybody tried this on spark 2.0 and got success , by following Yaron's answer below??? org.apache.spark.sql.execution.joins.BroadcastHashJoin.doExecute(BroadcastHashJoin.scala:110) BroadcastHashJoin physical operator in Spark SQL uses a broadcast variable to distribute the smaller dataset to Spark executors (rather than shipping a copy of it with every task).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 errorsIn the traceback it says: Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 43.0 failed 1 times, most recent failure: Lost task 0.0 in stage 43.0 (TID 97) (ip-10-172-188- 62.us-west-2.compute.internal executor driver): java.lang.OutOfMemoryError: Java heap spaceI want to create an empty dataframe out of an existing spark dataframe. I use pyarrow support (enabled in spark conf). When I try to create an empty dataframe out of an empty RDD and the same schem...What's going on in the driver at the time of this failure? It could be due to memory pressure on the driver causing it to be unresponsive. If I recall correctly, the MapOutputTracker that it's trying to get to when it calls GetMapOutputStatuses is running in the Spark driver driver process.Feb 4, 2019 · I have Spark 2.3.1 running on my local windows 10 machine. I haven't tinkered around with any settings in the spark-env or spark-defaults.As I'm trying to connect to spark using spark-shell, I get a failed to connect to master localhost:7077 warning. Yarn throws the following exception in cluster mode when the application is really small:install the spark chart. port-forward the master port. submit the app. Output of helm version: Write the 127.0.0.1 r-spark-master-svc into /etc/hosts. Execute kubectl port-forward --namespace default svc/r-spark-master-svc 7077:7077.

Dec 28, 2017 · setting spark.driver.maxResultSize = 0 solved my problem in pyspark. I was using pyspark standalone on a single machine, and I believed it was okay to set unlimited size. – Thamme Gowda . Goodwill outlet center and donation center

org.apache.spark.sparkexception exception thrown in awaitresult

Aug 28, 2018 · Pyarrow 4.0.1. Jupyter notebook. Spark cluster on GCS. When I try to enable Pyarrow optimization like this: spark.conf.set ('spark.sql.execution.arrow.enabled', 'true') I get the following warning: createDataFrame attempted Arrow optimization because 'spark.sql.execution.arrow.enabled' is set to true; however failed by the reason below ... Dec 12, 2022 · The cluster version Im using is the latest: 3.3.1\Hadoop 3. The master node is starting without an issue and Im able to register the workers on each worker node using the following comand: spark-class org.apache.spark.deploy.worker.Worker spark://<Master-IP>:7077 --host <Worker-IP>. When I register the worker , its able to connect and register ... 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. Jul 26, 2022 · We are trying to implement master and slave in 2 different laptops using apache spark, however the worker is not connecting to the master, even though it is on the same network and the following er... Sep 26, 2017 · I'm deploying a Spark Apache application using standalone cluster manager. My architecture uses 2 Windows machines: one set as a master, and another set as a slave (worker). Master: on which I run: \bin>spark-class org.apache.spark.deploy.master.Master and this is what the web UI shows: 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.Jan 14, 2023 · org.apache.spark.SparkException: 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) (10.139.64.6 executor 0): org.apache.spark.SparkException: Exception thrown in awaitResult: Go to the Executor 0 and check why it failed Nov 3, 2021 · Check the YARN application logs for more details. 21/11/03 15:52:35 ERROR YarnClientSchedulerBackend: Diagnostics message: Uncaught exception: org.apache.spark.SparkException: Exception thrown in awaitResult: at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:226) at org.apache.spark.rpc.RpcTimeout.awaitResult(RpcTimeout.scala ... Nov 5, 2016 · A guess: your Spark master (on 10.20.30.50:7077) runs a different Spark version (perhaps 1.6?): your driver code uses Spark 2.0.1, which (I think) doesn't even use Akka, and the message on the master says something about failing to decode Akka protocol - can you check the version used on master? Spark报错处理. 1、 问题： org.apache.spark.SparkException: Exception thrown in awaitResult. 分析：出现这个情况的原因是spark启动的时候设置的是hostname启动的，导致访问的时候DNS不能解析主机名导致。 问题解决： 1、查找原因. 网上有很多的解决方法，但是基本都不太符合我的情况。. 罗列一下其他的解决方法. sparkSql的需要手动添加 。. option ("driver", "com.mysql.jdbc.Driver" ) 就是驱动的名字写错了（逗号 、分号、等等）. 驱动缺失，去spark集群添加mysql的驱动，或者提交任务的 ....

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