Dear Roman, this is my pom.xml file, which is the file from the template project from the official flink website. Only the main class has been changed.
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See the License for the specific language governing permissions and limitations under the License. --> <project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd";> <modelVersion>4.0.0</modelVersion> <groupId>org.myorg.quickstart</groupId> <artifactId>quickstart</artifactId> <version>0.1</version> <packaging>jar</packaging> <name>Flink Quickstart Job</name> <url>http://www.myorganization.org</url> <repositories> <repository> <id>apache.snapshots</id> <name>Apache Development Snapshot Repository</name> <url>https://repository.apache.org/content/repositories/snapshots/</url> <releases> <enabled>false</enabled> </releases> <snapshots> <enabled>true</enabled> </snapshots> </repository> </repositories> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <flink.version>1.10.0</flink.version> <scala.binary.version>2.11</scala.binary.version> <scala.version>2.11.12</scala.version> </properties> <dependencies> <!-- Apache Flink dependencies --> <!-- These dependencies are provided, because they should not be packaged into the JAR file. --> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-scala_${scala.binary.version}</artifactId> <version>${flink.version}</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-streaming-scala_${scala.binary.version}</artifactId> <version>${flink.version}</version> <scope>provided</scope> </dependency> <!-- Scala Library, provided by Flink as well. --> <dependency> <groupId>org.scala-lang</groupId> <artifactId>scala-library</artifactId> <version>${scala.version}</version> <scope>provided</scope> </dependency> <!-- Add connector dependencies here. They must be in the default scope (compile). --> <!-- Example: <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-connector-kafka-0.10_${scala.binary.version}</artifactId> <version>${flink.version}</version> </dependency> --> <!-- Add logging framework, to produce console output when running in the IDE. --> <!-- These dependencies are excluded from the application JAR by default. --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.7</version> <scope>runtime</scope> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> <scope>runtime</scope> </dependency> </dependencies> <build> <plugins> <!-- We use the maven-shade plugin to create a fat jar that contains all necessary dependencies. --> <!-- Change the value of <mainClass>...</mainClass> if your program entry point changes. --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-shade-plugin</artifactId> <version>3.1.1</version> <executions> <!-- Run shade goal on package phase --> <execution> <phase>package</phase> <goals> <goal>shade</goal> </goals> <configuration> <artifactSet> <excludes> <exclude>org.apache.flink:force-shading</exclude> <exclude>com.google.code.findbugs:jsr305</exclude> <exclude>org.slf4j:*</exclude> <exclude>log4j:*</exclude> </excludes> </artifactSet> <filters> <filter> <!-- Do not copy the signatures in the META-INF folder. Otherwise, this might cause SecurityExceptions when using the JAR. --> <artifact>*:*</artifact> <excludes> <exclude>META-INF/*.SF</exclude> <exclude>META-INF/*.DSA</exclude> <exclude>META-INF/*.RSA</exclude> </excludes> </filter> </filters> <transformers> <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> <mainClass>org.myorg.quickstart.BatchJob</mainClass> </transformer> </transformers> </configuration> </execution> </executions> </plugin> <!-- Java Compiler --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.1</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> <!-- Scala Compiler --> <plugin> <groupId>net.alchim31.maven</groupId> <artifactId>scala-maven-plugin</artifactId> <version>3.2.2</version> <executions> <execution> <goals> <goal>compile</goal> <goal>testCompile</goal> </goals> </execution> </executions> <configuration> <args> <arg>-nobootcp</arg> </args> </configuration> </plugin> <!-- Eclipse Scala Integration --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-eclipse-plugin</artifactId> <version>2.8</version> <configuration> <downloadSources>true</downloadSources> <projectnatures> <projectnature>org.scala-ide.sdt.core.scalanature</projectnature> <projectnature>org.eclipse.jdt.core.javanature</projectnature> </projectnatures> <buildcommands> <buildcommand>org.scala-ide.sdt.core.scalabuilder</buildcommand> </buildcommands> <classpathContainers> <classpathContainer>org.scala-ide.sdt.launching.SCALA_CONTAINER</classpathContainer> <classpathContainer>org.eclipse.jdt.launching.JRE_CONTAINER</classpathContainer> </classpathContainers> <excludes> <exclude>org.scala-lang:scala-library</exclude> <exclude>org.scala-lang:scala-compiler</exclude> </excludes> <sourceIncludes> <sourceInclude>**/*.scala</sourceInclude> <sourceInclude>**/*.java</sourceInclude> </sourceIncludes> </configuration> </plugin> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>build-helper-maven-plugin</artifactId> <version>1.7</version> <executions> <!-- Add src/main/scala to eclipse build path --> <execution> <id>add-source</id> <phase>generate-sources</phase> <goals> <goal>add-source</goal> </goals> <configuration> <sources> <source>src/main/scala</source> </sources> </configuration> </execution> <!-- Add src/test/scala to eclipse build path --> <execution> <id>add-test-source</id> <phase>generate-test-sources</phase> <goals> <goal>add-test-source</goal> </goals> <configuration> <sources> <source>src/test/scala</source> </sources> </configuration> </execution> </executions> </plugin> </plugins> </build> </project> > Am 02.06.2020 um 19:22 schrieb Khachatryan Roman > <khachatryan.ro...@gmail.com>: > > Dear Tom, > > This is likely a scala version issue. > Can you post your pom.xml? > > Regards, > Roman > > > On Tue, Jun 2, 2020 at 6:34 PM Tom Burgert <tom.burg...@gmx.de > <mailto:tom.burg...@gmx.de>> wrote: > Dear all, > > I am trying to set up flink and after hours I still fail to make a simple > program run even though I follow every recommended step in the tutorials. > > My operating system is OSX (therefore everything was installed via brew) and > I am using Maven as a build tool. I used the quick start script for scala to > set up a new project. > Then, I only did two things: > 1) paced the code from word count object to the BatchJob.scala file > (https://ci.apache.org/projects/flink/flink-docs-release-1.10/dev/batch/ > <https://ci.apache.org/projects/flink/flink-docs-release-1.10/dev/batch/>) > 2) alternated the MainClass in the pom.xml file from StreamJob to BatchJob > > Then, I build via "mvn clean package" and run the .jar. file. > > When compiling, I receive the following warning: > > ———————————————————————————————————————————————————————————————————— > Expected all dependencies to require Scala version: 2.11.12 > org.scala-lang:scala-reflect:2.11.12 requires scala version: 2.11.12 > org.apache.flink:flink-scala_2.11:1.10.0 requires scala version: 2.11.12 > org.apache.flink:flink-scala_2.11:1.10.0 requires scala version: 2.11.12 > org.scala-lang:scala-compiler:2.11.12 requires scala version: 2.11.12 > org.scala-lang.modules:scala-xml_2.11:1.0.5 requires scala version: 2.11.7 > Multiple versions of scala libraries detected! > ———————————————————————————————————————————————————————————————————— > > Which is weird, since the pom.xml file should keep all versions the same (at > least the structures seems like it) and by playing around with the pom.xml > file I could not prevent this warning. Either way, I could not find any > information on the internet if the warning might be the reason for the error > I am getting when running the jar file. > > The error I get when I run my .jar file is the following: > > ———————————————————————————————————————————————————————————————————— > The program finished with the following exception: > > org.apache.flink.client.program.ProgramInvocationException: The main method > caused an error: org.apache.flink.client.program.ProgramInvocationException: > Job failed (JobID: 32d249e2b67ef0ecbc72bd164fe1dfb9) > at > org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:335) > at > org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:205) > at > org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:138) > at > org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:662) > at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:210) > at > org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:893) > at > org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:966) > at > org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30) > at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:966) > Caused by: java.util.concurrent.ExecutionException: > org.apache.flink.client.program.ProgramInvocationException: Job failed > (JobID: 32d249e2b67ef0ecbc72bd164fe1dfb9) > at > java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) > at > java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895) > at > org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:73) > at > org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:844) > at org.apache.flink.api.java.DataSet.collect(DataSet.java:413) > at org.apache.flink.api.java.DataSet.print(DataSet.java:1652) > at org.apache.flink.api.scala.DataSet.print(DataSet.scala:1864) > at org.myorg.quickstart.BatchJob$.main(BatchJob.scala:19) > at org.myorg.quickstart.BatchJob.main(BatchJob.scala) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:321) > ... 8 more > Caused by: org.apache.flink.client.program.ProgramInvocationException: Job > failed (JobID: 32d249e2b67ef0ecbc72bd164fe1dfb9) > at > org.apache.flink.client.deployment.ClusterClientJobClientAdapter.lambda$null$6(ClusterClientJobClientAdapter.java:112) > at > java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602) > at > java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) > at > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > at > java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) > at > org.apache.flink.client.program.rest.RestClusterClient.lambda$pollResourceAsync$21(RestClusterClient.java:565) > at > java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) > at > java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) > at > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > at > java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) > at > org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$8(FutureUtils.java:291) > at > java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760) > at > java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736) > at > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > at > java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:561) > at > java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:929) > at > java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: org.apache.flink.runtime.client.JobExecutionException: Job > execution failed. > at > org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:147) > at > org.apache.flink.client.deployment.ClusterClientJobClientAdapter.lambda$null$6(ClusterClientJobClientAdapter.java:110) > ... 19 more > Caused by: org.apache.flink.runtime.JobException: Recovery is suppressed by > NoRestartBackoffTimeStrategy > at > org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:110) > at > org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:76) > at > org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:192) > at > org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:186) > at > org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:180) > at > org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:496) > at > org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:380) > at sun.reflect.GeneratedMethodAccessor47.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:284) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:199) > at > org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152) > at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) > at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) > at scala.PartialFunction.applyOrElse(PartialFunction.scala:123) > at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122) > at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) > at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) > at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172) > at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172) > at akka.actor.Actor.aroundReceive(Actor.scala:517) > at akka.actor.Actor.aroundReceive$(Actor.scala:515) > at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) > at akka.actor.ActorCell.invoke(ActorCell.scala:561) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) > at akka.dispatch.Mailbox.run(Mailbox.scala:225) > at akka.dispatch.Mailbox.exec(Mailbox.scala:235) > at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > Caused by: java.lang.NoSuchMethodError: > scala.Predef$.refArrayOps([Ljava/lang/Object;)Lscala/collection/mutable/ArrayOps; > at org.myorg.quickstart.BatchJob$$anonfun$1.apply(BatchJob.scala:14) > at org.myorg.quickstart.BatchJob$$anonfun$1.apply(BatchJob.scala:14) > at org.apache.flink.api.scala.DataSet$$anon$5.flatMap(DataSet.scala:609) > at > org.apache.flink.runtime.operators.chaining.ChainedFlatMapDriver.collect(ChainedFlatMapDriver.java:80) > at > org.apache.flink.runtime.operators.util.metrics.CountingCollector.collect(CountingCollector.java:35) > at > org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:196) > at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:708) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:533) > at java.lang.Thread.run(Thread.java:745) > > ———————————————————————————————————————————————————————————————————— > > > I would be very glad, if some can help me out with this issue. > > Best, > Tom
