You can find more information about the re-worked deployment model here:
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=65147077 TaskManagers are started and shut down according to the slot requirements of the jobs. It is possible to return to the old behavior by setting mode: old in flink-conf.yaml. However, this mode is deprecated and will be removed soon. Can you explain why you need to have a static set of TMs? On Tue, Aug 7, 2018 at 12:07 PM, Florian Simond <florian.sim...@hotmail.fr> wrote: > Indeed, that's the solution. > > > It was done automatically before with 1.4.2, that's why I missed that > part... > > > Do you have any pointer about the dynamic number of TaskManagers ? I'm > curious to know how it works. Is it possible to still fix it ? > > > Thank you, > > Florian > > > ------------------------------ > *De :* Gary Yao <g...@data-artisans.com> > *Envoyé :* mardi 7 août 2018 11:55 > *À :* Florian Simond > *Cc :* vino yang; user@flink.apache.org > *Objet :* Re: Could not build the program from JAR file. > > Hi Florian, > > Can you run > > export HADOOP_CLASSPATH=`hadoop classpath` > > before submitting the job [1]? > > Moreover, you should not use the -yn parameter. Beginning with Flink 1.5, > the > number of TaskManagers is not fixed anymore. > > Best, > Gary > > > [1] https://ci.apache.org/projects/flink/flink-docs- > release-1.5/ops/deployment/hadoop.html#configuring-flink- > with-hadoop-classpaths > Apache Flink 1.5 Documentation: Hadoop Integration > <https://ci.apache.org/projects/flink/flink-docs-release-1.5/ops/deployment/hadoop.html#configuring-flink-with-hadoop-classpaths> > ci.apache.org > Deployment & Operations; Clusters & Deployment; Hadoop Integration; Hadoop > Integration. Configuring Flink with Hadoop Classpaths; Configuring Flink > with Hadoop Classpaths > > > > On Tue, Aug 7, 2018 at 9:22 AM, Florian Simond <florian.sim...@hotmail.fr> > wrote: > > In the log, I can see that: > > > First exception is a warning, not sure if it is important. > > > Second one seems to be the one. It tries to find the file "-yn" ??? > > > 2018-08-07 09:16:04,776 WARN org.apache.flink.client.cli.CliFrontend > - Could not load CLI class org.apache.flink.yarn.cli.Flin > kYarnSessionCli. > java.lang.NoClassDefFoundError: org/apache/hadoop/conf/Configuration > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:264) > at org.apache.flink.client.cli.CliFrontend.loadCustomCommandLin > e(CliFrontend.java:1208) > at org.apache.flink.client.cli.CliFrontend.loadCustomCommandLin > es(CliFrontend.java:1164) > at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.jav > a:1090) > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.conf.Configuration > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > ... 5 more > 2018-08-07 09:16:04,789 INFO org.apache.flink.core.fs.FileSystem > - Hadoop is not in the classpath/dependencies. The > extended set of supported File Systems via Hadoop is not available. > 2018-08-07 09:16:04,967 INFO org.apache.flink.runtime.secur > ity.modules.HadoopModuleFactory - Cannot create Hadoop Security Module > because Hadoop cannot be found in the Classpath. > 2018-08-07 09:16:04,991 INFO org.apache.flink.runtime.security.SecurityUtils > - Cannot install HadoopSecurityContext because Hadoop cannot > be found in the Classpath. > 2018-08-07 09:16:05,041 INFO org.apache.flink.client.cli.CliFrontend > - Running 'run' command. > 2018-08-07 09:16:05,046 INFO org.apache.flink.client.cli.CliFrontend > - Building program from JAR file > 2018-08-07 09:16:05,046 ERROR org.apache.flink.client.cli.CliFrontend > - Invalid command line arguments. > org.apache.flink.client.cli.CliArgsException: Could not build the program > from JAR file. > at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java > :208) > at org.apache.flink.client.cli.CliFrontend.parseParameters(CliF > rontend.java:1025) > at org.apache.flink.client.cli.CliFrontend.lambda$main$9(CliFro > ntend.java:1101) > at org.apache.flink.runtime.security.NoOpSecurityContext.runSec > ured(NoOpSecurityContext.java:30) > at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.jav > a:1101) > Caused by: java.io.FileNotFoundException: JAR file does not exist: -yn > at org.apache.flink.client.cli.CliFrontend.buildProgram(CliFron > tend.java:828) > at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java > :205) > ... 4 more > > > > ------------------------------ > *De :* vino yang <yanghua1...@gmail.com> > *Envoyé :* mardi 7 août 2018 09:01 > *À :* Gary Yao > *Cc :* Florian Simond; user@flink.apache.org > *Objet :* Re: Could not build the program from JAR file. > > Hi Florian, > > The error message is because of a FileNotFoundException, see here[1]. Is > there any more information about the exception. Do you make sure the jar > exist? > > [1]: https://github.com/apache/flink/blob/master/flink- > clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java#L209 > > <https://github.com/apache/flink/blob/master/flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java#L209> > apache/flink > <https://github.com/apache/flink/blob/master/flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java#L209> > github.com > flink - Apache Flink > > > Thanks, vino. > > 2018-08-07 14:28 GMT+08:00 Gary Yao <g...@data-artisans.com>: > > Hi Florian, > > You write that Flink 1.4.2 works but what version is not working for you? > > Best, > Gary > > > > On Tue, Aug 7, 2018 at 8:25 AM, Florian Simond <florian.sim...@hotmail.fr> > wrote: > > Hi all, > > > I'm trying to run the wordCount example on my YARN cluster and this is not > working.. I get the error message specified in title: Could not build the > program from JAR file. > > > > > $ ./bin/flink run -m yarn-cluster -yn 4 -yjm 1024 -ytm 4096 > ./examples/batch/WordCount.jar > > Setting HADOOP_CONF_DIR=/etc/hadoop/conf because no HADOOP_CONF_DIR was > set. > > Could not build the program from JAR file. > > > Use the help option (-h or --help) to get help on the command. > > > I also have the same problem with a custom JAR... > > > > With Flink 1.4.2, I have no problem at all. Both the WordCount example and > my custom JAR are working... > > > > What do I do wrong ? > > > > > > >
