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Li Wang commented on FLINK-20645: --------------------------------- Here is the stacktrace - {code:java} 2020-12-17 07:08:49,220 ERROR org.apache.flink.runtime.taskexecutor.TaskManagerRunner [] - TaskManager initialization failed.2020-12-17 07:08:49,220 ERROR org.apache.flink.runtime.taskexecutor.TaskManagerRunner [] - TaskManager initialization failed.org.apache.flink.configuration.IllegalConfigurationException: Failed to create TaskExecutorResourceSpec at org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils.resourceSpecFromConfig(TaskExecutorResourceUtils.java:72) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.startTaskManager(TaskManagerRunner.java:360) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.<init>(TaskManagerRunner.java:158) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManager(TaskManagerRunner.java:306) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.lambda$runTaskManagerSecurely$2(TaskManagerRunner.java:330) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_161] at javax.security.auth.Subject.doAs(Subject.java:422) ~[?:1.8.0_161] at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1768) ~[hadoop-common-2.7.3.6.jar:?] at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManagerSecurely(TaskManagerRunner.java:329) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManagerSecurely(TaskManagerRunner.java:314) [flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.main(TaskManagerRunner.java:298) [flink-dist_2.11-1.11.2.jar:1.11.2]Caused by: org.apache.flink.configuration.IllegalConfigurationException: The required configuration option Key: 'taskmanager.cpu.cores' , default: null (fallback keys: []) is not set at org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils.checkConfigOptionIsSet(TaskExecutorResourceUtils.java:90) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils.lambda$checkTaskExecutorResourceConfigSet$0(TaskExecutorResourceUtils.java:84) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at java.util.Arrays$ArrayList.forEach(Arrays.java:3880) ~[?:1.8.0_161] at org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils.checkTaskExecutorResourceConfigSet(TaskExecutorResourceUtils.java:84) ~[flink-dist_2.11-1.11.2.jar:1.11.2] at org.apache.flink.runtime.taskexecutor.TaskExecutorResourceUtils.resourceSpecFromConfig(TaskExecutorResourceUtils.java:70) ~[flink-dist_2.11-1.11.2.jar:1.11.2] ... 11 more {code} > Extra space typo when assembling dynamic configs > ------------------------------------------------ > > Key: FLINK-20645 > URL: https://issues.apache.org/jira/browse/FLINK-20645 > Project: Flink > Issue Type: Bug > Reporter: Li Wang > Priority: Major > Labels: pull-request-available > > while starting task manager, I got the error below > {code:java} > "Caused by: org.apache.flink.configuration.IllegalConfigurationException: The > required configuration option Key: 'taskmanager.cpu.cores' , default: null > (fallback keys: []) is not set > {code} > > Checking TM starting command I got something like > {code:java} > -D taskmanager.memory.framework.off-heap.size=134217728b -D > taskmanager.memory.network.max=67108864b -D > taskmanager.memory.network.min=67108864b -D > taskmanager.memory.framework.heap.size=134217728b -D > taskmanager.memory.managed.size=57346620b -D taskmanager.cpu.cores=1.0 -D > taskmanager.memory.task.heap.size=1518663108b -D > taskmanager.memory.task.off-heap.size=0b > {code} > Looks like the extra spaces between "-D" and parameters causes those dynamic > options can't be passed in correctly. > Related code is > [here|https://github.com/apache/flink/blob/2ad92169a4a4ffc92d32783f8777a132e1dac7c4/flink-core/src/main/java/org/apache/flink/configuration/ConfigurationUtils.java#L180] > > -- This message was sent by Atlassian Jira (v8.3.4#803005)