OS Manuals

/opt/flink/bin/kubernetes-taskmanager.sh

Apache Flink is an open source stream processing framework with powerful stream- and batch-processing capabilities.

From flink-1.19 1.19.3-r8 (enterprise-packages), captured 2026-11-09 by running kubernetes-taskmanager.sh --help (exit 1) · terse output. permalink

Starting kubernetes-taskmanager as a console application on host localhost.
WARNING: Unknown module: jdk.compiler specified to --add-exports
WARNING: Unknown module: jdk.compiler specified to --add-exports
WARNING: Unknown module: jdk.compiler specified to --add-exports
WARNING: Unknown module: jdk.compiler specified to --add-exports
WARNING: Unknown module: jdk.compiler specified to --add-exports
2026-11-09T14:46:28.818503Z main ERROR Unable to create file /opt/flink/log/flink-nobody-kubernetes-taskmanager-0-localhost.log
java.io.IOException: Read-only file system
	at java.base/java.io.UnixFileSystem.createFileExclusively(Native Method)
	at java.base/java.io.File.createNewFile(Unknown Source)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager$RollingFileManagerFactory.createManager(RollingFileManager.java:864)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager$RollingFileManagerFactory.createManager(RollingFileManager.java:844)
	at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:146)
	at org.apache.logging.log4j.core.appender.OutputStreamManager.getManager(OutputStreamManager.java:112)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getFileManager(RollingFileManager.java:307)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:144)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:65)
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:124)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1206)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1125)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1117)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:715)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:271)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:324)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:697)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:786)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:808)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:311)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:160)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:48)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:139)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:138)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:58)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:32)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:363)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:388)
	at org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner.<clinit>(KubernetesTaskExecutorRunner.java:39)

2026-11-09T14:46:28.826967Z main ERROR Could not create plugin of type class org.apache.logging.log4j.core.appender.RollingFileAppender for element RollingFile: java.lang.IllegalStateException: ManagerFactory [org.apache.logging.log4j.core.appender.rolling.RollingFileManager$RollingFileManagerFactory@38cee291] unable to create manager for [/opt/flink/log/flink-nobody-kubernetes-taskmanager-0-localhost.log] with data [org.apache.logging.log4j.core.appender.rolling.RollingFileManager$FactoryData@4b45a2f5[pattern=/opt/flink/log/flink-nobody-kubernetes-taskmanager-0-localhost.log.%i, append=true, bufferedIO=true, bufferSize=8192, policy=CompositeTriggeringPolicy(policies=[OnStartupTriggeringPolicy, SizeBasedTriggeringPolicy(size=104857600)]), strategy=DefaultRolloverStrategy(min=1, max=10, useMax=true), advertiseURI=null, layout=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n, filePermissions=null, fileOwner=null]]
java.lang.IllegalStateException: ManagerFactory [org.apache.logging.log4j.core.appender.rolling.RollingFileManager$RollingFileManagerFactory@38cee291] unable to create manager for [/opt/flink/log/flink-nobody-kubernetes-taskmanager-0-localhost.log] with data [org.apache.logging.log4j.core.appender.rolling.RollingFileManager$FactoryData@4b45a2f5[pattern=/opt/flink/log/flink-nobody-kubernetes-taskmanager-0-localhost.log.%i, append=true, bufferedIO=true, bufferSize=8192, policy=CompositeTriggeringPolicy(policies=[OnStartupTriggeringPolicy, SizeBasedTriggeringPolicy(size=104857600)]), strategy=DefaultRolloverStrategy(min=1, max=10, useMax=true), advertiseURI=null, layout=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n, filePermissions=null, fileOwner=null]]
	at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:148)
	at org.apache.logging.log4j.core.appender.OutputStreamManager.getManager(OutputStreamManager.java:112)
	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getFileManager(RollingFileManager.java:307)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:144)
	at org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:65)
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:124)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1206)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1125)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1117)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:715)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:271)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:324)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:697)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:786)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:808)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:311)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:160)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:48)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:139)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:138)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:58)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:32)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:363)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:388)
	at org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner.<clinit>(KubernetesTaskExecutorRunner.java:39)

2026-11-09T14:46:28.829613Z main ERROR Unable to invoke factory method in class org.apache.logging.log4j.core.appender.RollingFileAppender for element RollingFile: java.lang.IllegalStateException: No factory method found for class org.apache.logging.log4j.core.appender.RollingFileAppender
java.lang.IllegalStateException: No factory method found for class org.apache.logging.log4j.core.appender.RollingFileAppender
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.findFactoryMethod(PluginBuilder.java:268)
	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:140)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1206)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1125)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1117)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:715)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:271)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:324)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:697)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:786)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:808)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:311)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:160)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:48)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:139)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:138)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:58)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:32)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:363)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:388)
	at org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner.<clinit>(KubernetesTaskExecutorRunner.java:39)

2026-11-09T14:46:28.847806Z main ERROR Null object returned for RollingFile in Appenders.
2026-11-09T14:46:28.849236Z main ERROR Unable to locate appender "RollingFileAppender" for logger config "root"
2026-11-09 14:46:28,901 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] - --------------------------------------------------------------------------------
2026-11-09 14:46:28,906 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  Starting Kubernetes TaskExecutor runner (Version: 1.19.3, Scala: 2.12, Rev:4105f8d, Date:2025-06-12T18:34:28+02:00)
2026-11-09 14:46:28,906 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  OS current user: ?
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  Current Hadoop/Kerberos user: <no hadoop dependency found>
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  JVM: OpenJDK 64-Bit Server VM - wolfi - 11/11.0.33+0-wolfi-r0
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  Arch: amd64
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  Maximum heap size: 30688 MiBytes
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  JAVA_HOME:
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  No Hadoop Dependency available
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  JVM Options:
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     -XX:+IgnoreUnrecognizedVMOptions
2026-11-09 14:46:28,907 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=java.base/sun.net.util=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=java.rmi/sun.rmi.registry=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-exports=java.security.jgss/sun.security.krb5=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.lang=ALL-UNNAMED
2026-11-09 14:46:28,908 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.net=ALL-UNNAMED
2026-11-09 14:46:28,909 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.io=ALL-UNNAMED
2026-11-09 14:46:28,909 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.nio=ALL-UNNAMED
2026-11-09 14:46:28,909 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/sun.nio.ch=ALL-UNNAMED
2026-11-09 14:46:28,909 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.lang.reflect=ALL-UNNAMED
2026-11-09 14:46:28,909 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.text=ALL-UNNAMED
2026-11-09 14:46:28,909 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.time=ALL-UNNAMED
2026-11-09 14:46:28,909 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.util=ALL-UNNAMED
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.util.concurrent=ALL-UNNAMED
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --add-opens=java.base/java.util.concurrent.locks=ALL-UNNAMED
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     -Dlog.file=/opt/flink/log/flink-nobody-kubernetes-taskmanager-0-localhost.log
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     -Dlog4j.configuration=file:/opt/flink/conf/log4j-console.properties
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     -Dlog4j.configurationFile=file:/opt/flink/conf/log4j-console.properties
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     -Dlogback.configurationFile=file:/opt/flink/conf/logback-console.xml
2026-11-09 14:46:28,910 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  Program Arguments:
2026-11-09 14:46:28,913 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --configDir
2026-11-09 14:46:28,913 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     /opt/flink/conf
2026-11-09 14:46:28,913 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -     --help
2026-11-09 14:46:28,913 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] -  Classpath: /opt/flink/lib/flink-cep-1.19.3.jar:/opt/flink/lib/flink-connector-files-1.19.3.jar:/opt/flink/lib/flink-csv-1.19.3.jar:/opt/flink/lib/flink-json-1.19.3.jar:/opt/flink/lib/flink-scala_2.12-1.19.3.jar:/opt/flink/lib/flink-table-api-java-uber-1.19.3.jar:/opt/flink/lib/flink-table-planner-loader-1.19.3.jar:/opt/flink/lib/flink-table-runtime-1.19.3.jar:/opt/flink/lib/log4j-1.2-api-2.25.4.jar:/opt/flink/lib/log4j-api-2.25.4.jar:/opt/flink/lib/log4j-core-2.25.4.jar:/opt/flink/lib/log4j-slf4j-impl-2.25.4.jar:/opt/flink/lib/flink-dist-1.19.3.jar::::
2026-11-09 14:46:28,913 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] - --------------------------------------------------------------------------------
2026-11-09 14:46:28,914 INFO  org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner [] - Registered UNIX signal handlers for [TERM, HUP, INT]
2026-11-09 14:46:28,940 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Using standard YAML parser to load flink configuration file from /opt/flink/conf/config.yaml.
2026-11-09 14:46:29,037 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: taskmanager.memory.process.size, 1728m
2026-11-09 14:46:29,037 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: taskmanager.bind-host, 0.0.0.0
2026-11-09 14:46:29,037 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: jobmanager.execution.failover-strategy, region
2026-11-09 14:46:29,037 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: jobmanager.rpc.address, 0.0.0.0
2026-11-09 14:46:29,037 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: jobmanager.memory.process.size, 1600m
2026-11-09 14:46:29,037 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: jobmanager.rpc.port, 6123
2026-11-09 14:46:29,037 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: rest.bind-address, 0.0.0.0
2026-11-09 14:46:29,038 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: jobmanager.bind-host, 0.0.0.0
2026-11-09 14:46:29,038 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: taskmanager.host, 0.0.0.0
2026-11-09 14:46:29,038 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: parallelism.default, 1
2026-11-09 14:46:29,038 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: taskmanager.numberOfTaskSlots, 1
2026-11-09 14:46:29,038 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: rest.address, 0.0.0.0
2026-11-09 14:46:29,038 INFO  org.apache.flink.configuration.GlobalConfiguration           [] - Loading configuration property: env.java.opts.all, --add-exports=java.base/sun.net.util=ALL-UNNAMED --add-exports=java.rmi/sun.rmi.registry=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED --add-exports=java.security.jgss/sun.security.krb5=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.nio=ALL-UNNAMED --add-opens=java.base/sun.nio.ch=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.text=ALL-UNNAMED --add-opens=java.base/java.time=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.locks=ALL-UNNAMED
Exception in thread "main" java.lang.IllegalStateException: The environment variable _POD_NODE_ID is not set, which is used to identify the node where the task manager is located.
	at org.apache.flink.util.Preconditions.checkState(Preconditions.java:215)
	at org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner.runTaskManagerSecurely(KubernetesTaskExecutorRunner.java:55)
	at org.apache.flink.kubernetes.taskmanager.KubernetesTaskExecutorRunner.main(KubernetesTaskExecutorRunner.java:46)

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.