I have a CSV file "test.csv" that I'm trying to have copied to all nodes on the cluster. I have a 4 node apache-spark 1.5.2 standalone cluster.spark_submit.system_info(): Collects Spark related system information, such as versions of spark-submit, Scala, Java, PySpark, Python and OS. spark_submit.SparkJob.kill(): Kills the running Spark job (cluster mode only) spark_submit.SparkJob.get_code(): Gets the spark-submit return code. spark_submit.SparkJob.get_output(): Gets the spark-submit ...So, I am trying to redirect the output of an apache spark-submit command to text file but some output fails to populate file. Here is the command I am using: spark-submit something.py > results.txt I can see the output in the terminal but I do not see it in the file. What am I forgetting or doing wrong here? Edit: If I useThe spark-submit script in Spark’s bin directory is used to launch applications on a cluster. It can use all of Spark’s supported cluster managers through a uniform interface so you don’t have to configure your application especially for each one. Bundling Your Application’s Dependencies Oct 1, 2020 · I have four python files , out of four files 1 file has spark entry code defined and that file drives and calls rest other python files . for now I have provided four python files with --py-files option in spark submit command , but instead of submitting this way I want to create zip file and pack these all four python files and submit with ... Aug 3, 2023 · The second precedence goes to spark-submit options. Finally, properties specified in spark-defaults.conf file. When you are setting jars in different places, remember the precedence it takes. Use spark-submit with --verbose option to get more details about what jars Spark has used. 2.1 Add jars to the classpath using –jar Option Submit Spark workload by submitting Spark batch applications by using the cluster management console, RESTful APIs, or the CLI. A Spark batch application is launched by only the spark-submit command from the following ways: cluster management console (immediately or by scheduling the submission). ascd Spark application RESTful APIs.Actually When using spark-submit, the application jar along with any jars included with the --jars option will be automatically transferred to the cluster. Your extra jars could be added to --jars, they will be copied to cluster automatically. please refer to "Advanced Dependency Management" section in below link:1 You could put the file on a network mount that is accessible by all the nodes on the cluster. This way you can just read from that mount in your driver program. You could expose a simple endpoint that returns the file. This way your driver program can make an http call. – Alex Naspo Jan 20, 2016 at 20:39 True enough, @AlexNaspo, but redundant. We are using Spark 2.3.0 on Yarn in pseudo distributed mode. We need to query a postgres table from spark whose configurations are defined in a properties file. I passed the property file using --files attribute of spark submit. To read the file in my code I simply used java.util.Properties.PropertiesReader class.I have an AWS CLI cluster creation command that I am trying to modify so that it enables my driver and executor to work with a customized log4j.properties file. With Spark stand-alone clusters I have successfully used the approach of using the --files <log4j.file> switch together with setting -Dlog4j.configuration=<log4j.file> specified via ...So, I am trying to redirect the output of an apache spark-submit command to text file but some output fails to populate file. Here is the command I am using: spark-submit something.py > results.txt I can see the output in the terminal but I do not see it in the file. What am I forgetting or doing wrong here? Edit: If I useThe spark-submit job will setup and configure Spark as per our instructions, execute the program we pass to it, then cleanly release the resources that were being used. A simply Python program passed to spark-submit might look like this: """ spark_submit_example.py An example of the kind of script we might want to run. The modules and functions ...Oct 1, 2020 · I have four python files , out of four files 1 file has spark entry code defined and that file drives and calls rest other python files . for now I have provided four python files with --py-files option in spark submit command , but instead of submitting this way I want to create zip file and pack these all four python files and submit with ... 1 Answer. One way is to have a main driver program for your Spark application as a python file (.py) that gets passed to spark-submit. This primary script has the main method to help the Driver identify the entry point. This file will customize configuration properties as well initialize the SparkContext. The ones bundled in the egg executables ...spark.yarn.submit.file.replication: The default HDFS replication (usually 3) HDFS replication level for the files uploaded into HDFS for the application. These include things like the Spark jar, the app jar, and any distributed cache files/archives. spark.yarn.stagingDir: Current user's home directory in the filesystem I forgot to look inside spark-submit --help. And this is what it says: --files FILES Comma-separated list of files to be placed in the working directory of each executor. File paths of these files in executors can be accessed via SparkFiles.get (fileName). Sometimes it's right under ones own nose..Nov 26, 2018 · spark-submit --master yarn --jars <comma-separated-jars> --conf <spark-properties> --name <job_name> <python_file> <argument 1> <argument 2> eg: spark-submit --master yarn --jars example.jar --conf spark.executor.instances=10 --name example_job example.py arg1 arg2 For mnistOnSpark.py you should pass arguments as mentioned in the command above ... Spark environment provides a command to execute the application file, be it in Scala or Java(need a Jar format), Python and R programming file. The command is, $ spark-submit --master <url> <SCRIPTNAME>.py. I'm running spark in windows 64bit architecture system with JDK 1.8 version. P.S find a screenshot of my terminal window. Code snippetTo make files on the client available to SparkContext.addJar, include them with the --jars option in the launch command. $ ./bin/spark-submit --class my.main.Class \ --master yarn \ --deploy-mode cluster \ --jars my-other-jar.jar,my-other-other-jar.jar \ my-main-jar.jar \ app_arg1 app_arg2.To do so, specify the spark properties spark.kubernetes.driver.podTemplateFile and spark.kubernetes.executor.podTemplateFile to point to local files accessible to the spark-submit process. To allow the driver pod access the executor pod template file, the file will be automatically mounted onto a volume in the driver pod when it’s created.The Spark shell and spark-submit tool support two ways to load configurations dynamically. The first is command line options, such as --master, as shown above. spark-submit can accept any Spark property using the --conf/-c flag, but uses special flags for properties that play a part in launching the Spark application. The spark-submit compatible command in Data Flow , is the rub-submit command. If you already have a working Spark application in any cluster, you are familiar with the spark-submit syntax. For example: spark-submit --master spark://<IP-address>:port \ --deploy-mode cluster \ --conf spark.sql.crossJoin.enabled=true \ --files oci://file1.json ...1. --files comma-separated files list. Comma-separated list of files that are deposited in the working directory of each and every Executor using YARN Cluster Mode if memory serves correctly. Use case is (although never used myself) is configuration info that you can read in as opposed to using args [x] approach. Share. The spark-submit script in Spark’s bin directory is used to launch applications on a cluster. It can use all of Spark’s supported cluster managers through a uniform interface so you don’t have to configure your application specially for each one. Bundling Your Application’s Dependencies The spark-submit script in Spark’s bin directory is used to launch applications on a cluster. It can use all of Spark’s supported cluster managers through a uniform interface so you don’t have to configure your application specially for each one. Bundling Your Application’s Dependencies We are using Spark 2.3.0 on Yarn in pseudo distributed mode. We need to query a postgres table from spark whose configurations are defined in a properties file. I passed the property file using --files attribute of spark submit. To read the file in my code I simply used java.util.Properties.PropertiesReader class.To do so, specify the spark properties spark.kubernetes.driver.podTemplateFile and spark.kubernetes.executor.podTemplateFile to point to local files accessible to the spark-submit process. To allow the driver pod access the executor pod template file, the file will be automatically mounted onto a volume in the driver pod when it’s created. Apr 12, 2021 · I have an AWS CLI cluster creation command that I am trying to modify so that it enables my driver and executor to work with a customized log4j.properties file. With Spark stand-alone clusters I have successfully used the approach of using the --files <log4j.file> switch together with setting -Dlog4j.configuration=<log4j.file> specified via ... For a comprehensive list of all configurations that can be passed with spark-submit, just run spark-submit --help. In this link provided by @suj1th, they say that: configuration values explicitly set on a SparkConf take the highest precedence, then flags passed to spark-submit, then values in the defaults file. spark.yarn.submit.file.replication: The default HDFS replication (usually 3) HDFS replication level for the files uploaded into HDFS for the application. These include things like the Spark jar, the app jar, and any distributed cache files/archives. spark.yarn.stagingDir: Current user's home directory in the filesystem rdd = sc.textFile ("file:///path/to/file") If your file isn’t already on all nodes in the cluster, you can load it locally on the driver without going through Spark and then call parallelize to distribute the contents to workers. Take care to put file:// in front and the use of "/" or "\" according to OS. Share.For Python, you can use the --py-files argument of spark-submit to add .py, .zip or .egg files to be distributed with your application. If you depend on multiple Python files we recommend packaging them into a .zip or .egg. Launching Applications with spark-submit. Once a user application is bundled, it can be launched using the bin/spark ...Sep 25, 2015 · With the --files option you put the file in your working directory on the executor. You are trying to point to the file using an absolute path which is not what files option does for you. Can you use just the name "rule2.xml" and not a path. When you read the documentation for the files. See the important note at the bottom of the page running ... Using addPyFiles() seems to not be adding desiered files to spark job nodes (new to spark so may be missing some basic usage knowledge here). Attempting to run a script using pyspark and was seeing errors that certain modules are not found for import.1 Answer. One way is to have a main driver program for your Spark application as a python file (.py) that gets passed to spark-submit. This primary script has the main method to help the Driver identify the entry point. This file will customize configuration properties as well initialize the SparkContext. The ones bundled in the egg executables ...The spark-submit compatible command in Data Flow , is the rub-submit command. If you already have a working Spark application in any cluster, you are familiar with the spark-submit syntax. For example: spark-submit --master spark://<IP-address>:port \ --deploy-mode cluster \ --conf spark.sql.crossJoin.enabled=true \ --files oci://file1.json ... Pass system property to spark-submit and read file from classpath or custom path. 2 adding external property file to classpath in spark. 0 ...We are using Spark 2.3.0 on Yarn in pseudo distributed mode. We need to query a postgres table from spark whose configurations are defined in a properties file. I passed the property file using --files attribute of spark submit. To read the file in my code I simply used java.util.Properties.PropertiesReader class. The spark-submit command is a utility to run or submit a Spark or PySpark application program (or job) to the cluster by specifying options and configurations, the application you are submitting can be written in Scala, Java, or Python (PySpark). spark-submit command supports the following. 2. In my Spark job I read some additional data from resources files. Some example Resources.getResource ("/more-data") It works great locally, and when I run from spark-submit master=local [*] I only to need to add --conf=spark.driver.extraClassPath=moredata. Moving to cluster mode (Yarn) it is no longer able to find the folder.For a comprehensive list of all configurations that can be passed with spark-submit, just run spark-submit --help. In this link provided by @suj1th, they say that: configuration values explicitly set on a SparkConf take the highest precedence, then flags passed to spark-submit, then values in the defaults file. I want to store the Spark arguments such as input file, output file into a Java property files and pass that file into Spark Driver. I'm using spark-submit for submitting the job but couldn't find a parameter to pass the properties file.Actually When using spark-submit, the application jar along with any jars included with the --jars option will be automatically transferred to the cluster. Your extra jars could be added to --jars, they will be copied to cluster automatically. please refer to "Advanced Dependency Management" section in below link:I have four python files , out of four files 1 file has spark entry code defined and that file drives and calls rest other python files . for now I have provided four python files with --py-files option in spark submit command , but instead of submitting this way I want to create zip file and pack these all four python files and submit with ...Apr 15, 2020 · The spark-submit job will setup and configure Spark as per our instructions, execute the program we pass to it, then cleanly release the resources that were being used. A simply Python program passed to spark-submit might look like this: """ spark_submit_example.py An example of the kind of script we might want to run. The modules and functions ... Pass system property to spark-submit and read file from classpath or custom path. 2 adding external property file to classpath in spark. 0 ...Spark-Submit Compatibility. You can use spark-submit compatible options to run your applications using Data Flow. Spark-submit is an industry standard command for running applications on Spark clusters. The following spark-submit compatible options are supported by Data Flow: --conf. --files. --py-files. --jars.rdd = sc.textFile ("file:///path/to/file") If your file isn’t already on all nodes in the cluster, you can load it locally on the driver without going through Spark and then call parallelize to distribute the contents to workers. Take care to put file:// in front and the use of "/" or "\" according to OS. Share.Jul 26, 2021 · In Short : · Using spark-submit, the user submits an application. · In spark-submit, we invoke the main () method that the user specifies. It also launches the driver program. · The driver ... Jul 2, 2020 · I have a pyspark code stored both on the master node of an AWS EMR cluster and in an s3 bucket that fetches over 140M rows from a MySQL database and stores the sum of a column back in the log files on s3. When I spark-submit the pyspark code on the master node, the job gets completed successfully and the output is stored in the log files on the ... For the 5th process I am using a spark-submit command as this process needs to leverage spark because of the size of the data being processed. I am running into issues with JDBC and Kerberos Authnetication with the spark-submit command. The Oracle @Configuration is the same for all of these processes. It works fine and authenticates fine with a ...Jun 23, 2020 · Pass system property to spark-submit and read file from classpath or custom path. 2 adding external property file to classpath in spark. 0 ... To download the log files for an application, issue the spark-submit.sh command with the --download-app-logs option. Display the contents of a single log file: To display the contents of a single cluster log file, issue the spark-submit.sh command with the --display-cluster-log option.Apr 21, 2017 · It turned out that since I'm submitting my application in client mode, then the machine I run the spark-submit command from will run the driver program and will need to access the module files. I added my module to the PYTHONPATH environment variable on the node I'm submitting my job from by adding the following line to my .bashrc file (or ... For Python, you can use the --py-files argument of spark-submit to add .py, .zip or .egg files to be distributed with your application. If you depend on multiple Python files we recommend packaging them into a .zip or .egg. Launching Applications with spark-submit. Once a user application is bundled, it can be launched using the bin/spark ...The Spark shell and spark-submit tool support two ways to load configurations dynamically. The first is command line options, such as --master, as shown above. spark-submit can accept any Spark property using the --conf/-c flag, but uses special flags for properties that play a part in launching the Spark application.Jun 29, 2015 · I want to store the Spark arguments such as input file, output file into a Java property files and pass that file into Spark Driver. I'm using spark-submit for submitting the job but couldn't find a parameter to pass the properties file. For Python, you can use the --py-files argument of spark-submit to add .py, .zip or .egg files to be distributed with your application. If you depend on multiple Python files we recommend packaging them into a .zip or .egg. Launching Applications with spark-submit. Once a user application is bundled, it can be launched using the bin/spark ...command options. You specify spark-submit options using the form --option value instead of --option=value . (Use a space instead of an equals sign.) Option. Description. class. For Java and Scala applications, the fully qualified classname of the class containing the main method of the application. For example, org.apache.spark.examples.SparkPi.From the GitHub repository’s local copy, run the following command, which will execute a Python script to load the three spark-submit commands from JSON-format file, job_flow_steps/job_flow ...for me, run spark on yarn,just add --files log4j.properties makes everything ok. 1. make sure the directory where you run spark-submit contains file "log4j.properties". 2. run spark-submit ... --files log4j.properties. let's see why this work. 1.spark-submit will upload log4j.properties to hdfs like this command options. You specify spark-submit options using the form --option value instead of --option=value . (Use a space instead of an equals sign.) Option. Description. class. For Java and Scala applications, the fully qualified classname of the class containing the main method of the application. For example, org.apache.spark.examples.SparkPi.This will let you create an .egg file which is similar to java jar file. You can then specify the path of this egg file using --py-files. spark-submit --py-files path_to_egg_file path_to_spark_driver_file. Create zip files (example- abc.zip) containing all your dependencies.1. I am using spark 2.4.1 version and java8. I am trying to load external property file while submitting my spark job using spark-submit. As I am using below TypeSafe to load my property file. <groupId>com.typesafe</groupId> <artifactId>config</artifactId> <version>1.3.1</version>. In my code I am using.Mar 29, 2022 · article Spark spark.sql.files.maxPartitionBytes Explained in Detail article Spark 2.x to 3.x - Date, Timestamp and Int96 Rebase Modes article Spark Schema Merge (Evolution) for Orc Files article Spark Dynamic and Static Partition Overwrite article Differences between spark.sql.shuffle.partitions and spark.default.parallelism Read more (8) For Python, you can use the --py-files argument of spark-submit to add .py, .zip or .egg files to be distributed with your application. If you depend on multiple Python files we recommend packaging them into a .zip or .egg. Launching Applications with spark-submit. Once a user application is bundled, it can be launched using the bin/spark ... Jul 24, 2022 · Note that files passed through --files and --archives are available for Spark executors only. This behavior is consistent with spark-submit. If you need the files to be accessible by Spark driver, consider using an init action to put the files somewhere in the local filesystem explictly. The second precedence goes to spark-submit options. Finally, properties specified in spark-defaults.conf file. When you are setting jars in different places, remember the precedence it takes. Use spark-submit with --verbose option to get more details about what jars Spark has used. 2.1 Add jars to the classpath using –jar OptionJul 21, 2020 · For the 5th process I am using a spark-submit command as this process needs to leverage spark because of the size of the data being processed. I am running into issues with JDBC and Kerberos Authnetication with the spark-submit command. The Oracle @Configuration is the same for all of these processes. It works fine and authenticates fine with a ... Dec 25, 2014 · This will let you create an .egg file which is similar to java jar file. You can then specify the path of this egg file using --py-files. spark-submit --py-files path_to_egg_file path_to_spark_driver_file. Create zip files (example- abc.zip) containing all your dependencies. java.io.FileNotFoundException for a file sent in Spark-submit --files. 1. How to pass arguments to spark-submit using docker. 0. Running Scala Jar with Spark-Submit. 4.Aug 1, 2023 · Spark-Submit Compatibility. You can use spark-submit compatible options to run your applications using Data Flow. Spark-submit is an industry standard command for running applications on Spark clusters. The following spark-submit compatible options are supported by Data Flow: --conf. --files. --py-files. --jars. --py-files PY_FILES Comma-separated list of .zip, .egg, or .py files to place on the PYTHONPATH for Python apps. So your command will look as follow spark-submit --master local --driver-memory 2g --executor-memory 2g --py-files s3_path\file2.py,s3_path\file3.py,s3_path\file4.py s3_path\file1.py2. In my Spark job I read some additional data from resources files. Some example Resources.getResource ("/more-data") It works great locally, and when I run from spark-submit master=local [*] I only to need to add --conf=spark.driver.extraClassPath=moredata. Moving to cluster mode (Yarn) it is no longer able to find the folder.1. I have a SPARK cluster with Yarn, and I want to put my job's jar into a S3 100% compatible Object Store. If I want to submit the job, I search from google and seems that just simply as this way: spark-submit --master yarn --deploy-mode cluster <...other parameters...> s3://my_ bucket/jar_file However the S3 Object Store required user name ...Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsPass --jars with the path of jar files separated by , to spark-submit.. For reference:--driver-class-path is used to mention "extra" jars to add to the "driver" of the spark job --driver-library-path is used to "change" the default library path for the jars needed for the spark driver --driver-class-path will only push the jars to the driver machine.For Python, you can use the --py-files argument of spark-submit to add .py, .zip or .egg files to be distributed with your application. If you depend on multiple Python files we recommend packaging them into a .zip or .egg. Launching Applications with spark-submit. Once a user application is bundled, it can be launched using the bin/spark ... Mar 1, 2019 · I have a Java-spark code that reads certain properties files. These properties are being passed with spark-submit like: spark-submit --master yarn \\ --deploy-mode cluster \\ --files /home/aiman/ 2. In my Spark job I read some additional data from resources files. Some example Resources.getResource ("/more-data") It works great locally, and when I run from spark-submit master=local [*] I only to need to add --conf=spark.driver.extraClassPath=moredata. Moving to cluster mode (Yarn) it is no longer able to find the folder.I have a CSV file "test.csv" that I'm trying to have copied to all nodes on the cluster. I have a 4 node apache-spark 1.5.2 standalone cluster.This is a JSON protocol to submit Spark application, to submit Spark application to cluster manager, we should use HTTP POST request to send above JSON protocol to Livy Server: curl -H "Content-Type: application/json" -X POST -d ‘<JSON Protocol>’ <livy-host>:<port>/batches. As you can see most of the arguments are the same, but there still ...Dec 18, 2020 · With Spark 3.4, spark.files, spark.jars, and spark.pyfiles all are placed in the current working directory of Driver & Executor while using K8s resource manager. With 3.5 all these will be available on classpath as well. The spark-submit compatible command in Data Flow , is the rub-submit command. If you already have a working Spark application in any cluster, you are familiar with the spark-submit syntax. For example: spark-submit --master spark://<IP-address>:port \ --deploy-mode cluster \ --conf spark.sql.crossJoin.enabled=true \ --files oci://file1.json ... Jun 4, 2017 · Usage: spark-submit --status [submission ID] --master [spark://...] Usage: spark-submit run-example [options] example-class [example args] As you can see in the first Usage spark-submit requires <app jar | python file>. The app jar argument is a Spark application's jar with the main object (SimpleApp in your case). You can build the app jar ... Apr 19, 2023 · Python manager for spark-submit jobs. Spark-submit. TL;DR: Python manager for spark-submit jobs Description. This package allows for submission and management of Spark jobs in Python scripts via Apache Spark's spark-submit functionality.
For the 5th process I am using a spark-submit command as this process needs to leverage spark because of the size of the data being processed. I am running into issues with JDBC and Kerberos Authnetication with the spark-submit command. The Oracle @Configuration is the same for all of these processes. It works fine and authenticates fine with a .... Jillian
For deploy-mode cluster. As previous answers mentioned, if you want to pass env variable to spark master, you want to use: --conf spark.yarn.appMasterEnv.FOO=bar // pass bar value to FOO variable --conf spark.yarn.appMasterEnv.FOO=$ {FOO} // passing current FOO env variable --conf spark.yarn.appMasterEnv.FOO2=bar2 // multiple variables are ... rdd = sc.textFile ("file:///path/to/file") If your file isn’t already on all nodes in the cluster, you can load it locally on the driver without going through Spark and then call parallelize to distribute the contents to workers. Take care to put file:// in front and the use of "/" or "\" according to OS. Share.java.io.FileNotFoundException for a file sent in Spark-submit --files. 1. How to pass arguments to spark-submit using docker. 0. Running Scala Jar with Spark-Submit. 4.0. spark-submit is a utility to submit your spark program (or job) to Spark clusters. If you open the spark-submit utility, it eventually calls a Scala program. org.apache.spark.deploy.SparkSubmit. On the other hand, pyspark or spark-shell is REPL ( read–eval–print loop) utility which allows the developer to run/execute their spark code as ...I have an AWS CLI cluster creation command that I am trying to modify so that it enables my driver and executor to work with a customized log4j.properties file. With Spark stand-alone clusters I have successfully used the approach of using the --files <log4j.file> switch together with setting -Dlog4j.configuration=<log4j.file> specified via ...for me, run spark on yarn,just add --files log4j.properties makes everything ok. 1. make sure the directory where you run spark-submit contains file "log4j.properties". 2. run spark-submit ... --files log4j.properties. let's see why this work. 1.spark-submit will upload log4j.properties to hdfs like thisSo, I am trying to redirect the output of an apache spark-submit command to text file but some output fails to populate file. Here is the command I am using: spark-submit something.py > results.txt I can see the output in the terminal but I do not see it in the file. What am I forgetting or doing wrong here? Edit: If I useThe spark-submit compatible command in Data Flow , is the rub-submit command. If you already have a working Spark application in any cluster, you are familiar with the spark-submit syntax. For example: spark-submit --master spark://<IP-address>:port \ --deploy-mode cluster \ --conf spark.sql.crossJoin.enabled=true \ --files oci://file1.json ... using the --files option to copy a text file "foo.txt" (which is located in the project root) from the "submitting" Windows machine (which is also running Spark 1.6.0 and Scala 2.10.5) to the working directories of executors (as described by spark-submit -h) passing the textfile as first argument to my applicationJul 21, 2020 · For the 5th process I am using a spark-submit command as this process needs to leverage spark because of the size of the data being processed. I am running into issues with JDBC and Kerberos Authnetication with the spark-submit command. The Oracle @Configuration is the same for all of these processes. It works fine and authenticates fine with a ... Dec 25, 2014 · This will let you create an .egg file which is similar to java jar file. You can then specify the path of this egg file using --py-files. spark-submit --py-files path_to_egg_file path_to_spark_driver_file. Create zip files (example- abc.zip) containing all your dependencies. Mar 23, 2017 · I am currently running spark 2.1.0. I have worked most of the time in PYSPARK shell, but I need to spark-submit a python file(similar to spark-submit jar in java) . For the 5th process I am using a spark-submit command as this process needs to leverage spark because of the size of the data being processed. I am running into issues with JDBC and Kerberos Authnetication with the spark-submit command. The Oracle @Configuration is the same for all of these processes. It works fine and authenticates fine with a ...I have an AWS CLI cluster creation command that I am trying to modify so that it enables my driver and executor to work with a customized log4j.properties file. With Spark stand-alone clusters I have successfully used the approach of using the --files <log4j.file> switch together with setting -Dlog4j.configuration=<log4j.file> specified via ....