Flink CDC里不同机器的TaskManagerRunner，如何指定端口？

Flink CDC里不同机器的TaskManagerRunner，如何指定端口，我看现在的端口是随机的，现在的端口都是这种随机的。2024-04-26 12:09:39,298 WARN org.apache.flink.runtime.jobmaster.slotpool.DeclarativeSlotPoolBridge [] - Could not acquire the minimum required resources, failing slot requests. Acquired: [ResourceRequirement{resourceProfile=ResourceProfile{cpuCores=1, taskHeapMemory=1009.200mb (1058222878 bytes), taskOffHeapMemory=0 bytes, managedMemory=1012.160mb (1061326698 bytes), networkMemory=253.040mb (265331674 bytes)}, numberOfRequiredSlots=1}]. Current slot pool status: Registered TMs: 1, registered slots: 1 free slots: 0
2024-04-26 12:09:39,303 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source: Flink CDC Event Source: mysql -> SchemaOperator -> PrePartition (1/2) (0338d48bfd91255840887a522cfcfb39_cbc357ccb763df2852fee8c4fc7d55f2_0_0) switched from SCHEDULED to FAILED on [unassigned resource].
org.apache.flink.runtime.jobmanager.scheduler.NoResourceAvailableException: Could not acquire the minimum required resources.资源不够吗？2024-04-26 12:29:14,185 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source: Flink CDC Event Source: mysql -> SchemaOperator -> PrePartition (2/2) (6c19762a48b678d316854d51c1e698a2_cbc357ccb763df2852fee8c4fc7d55f2_1_0) switched from RUNNING to FAILED on 172.21.48.3:41475-2155b8 @ VM-48-3-tencentos (dataPort=41717).
org.apache.flink.util.SerializedThrowable: java.lang.IllegalStateException: Failed to send request to coordinator: com.ververica.cdc.runtime.operators.schema.event.SchemaChangeRequest@4a3ec56c
at com.ververica.cdc.runtime.operators.schema.SchemaOperator.sendRequestToCoordinator(SchemaOperator.java:126) ~[?:?]
at com.ververica.cdc.runtime.operators.schema.SchemaOperator.requestSchemaChange(SchemaOperator.java:110) ~[?:?]
at com.ververica.cdc.runtime.operators.schema.SchemaOperator.handleSchemaChangeEvent(SchemaOperator.java:95) ~[?:?]
at com.ververica.cdc.runtime.operators.schema.SchemaOperator.processElement(SchemaOperator.java:85) ~[?:?]
at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:75) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:50) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:29) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.tasks.SourceOperatorStreamTask$AsyncDataOutputToOutput.emitRecord(SourceOperatorStreamTask.java:309) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.api.operators.source.SourceOutputWithWatermarks.collect(SourceOutputWithWatermarks.java:110) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.api.operators.source.SourceOutputWithWatermarks.collect(SourceOutputWithWatermarks.java:101) ~[flink-dist-1.18.0.jar:1.18.0]
at com.ververica.cdc.connectors.mysql.source.reader.MySqlPipelineRecordEmitter.sendCreateTableEvent(MySqlPipelineRecordEmitter.java:125) ~[?:?]
at com.ververica.cdc.connectors.mysql.source.reader.MySqlPipelineRecordEmitter.processElement(MySqlPipelineRecordEmitter.java:109) ~[?:?]
at com.ververica.cdc.connectors.mysql.source.reader.MySqlRecordEmitter.emitRecord(MySqlRecordEmitter.java:82) ~[?:?]
at com.ververica.cdc.connectors.mysql.source.reader.MySqlRecordEmitter.emitRecord(MySqlRecordEmitter.java:55) ~[?:?]
at org.apache.flink.connector.base.source.reader.SourceReaderBase.pollNext(SourceReaderBase.java:160) ~[flink-connector-files-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.api.operators.SourceOperator.emitNext(SourceOperator.java:419) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.io.StreamTaskSourceInput.emitNext(StreamTaskSourceInput.java:68) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:562) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:858) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:807) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:953) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:932) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:746) ~[flink-dist-1.18.0.jar:1.18.0]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562) ~[flink-dist-1.18.0.jar:1.18.0]
at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_391]
Caused by: org.apache.flink.util.SerializedThrowable: java.util.concurrent.ExecutionException: java.util.concurrent.TimeoutException: Invocation of [RemoteRpcInvocation(JobMasterOperatorEventGateway.sendRequestToCoordinator(OperatorID, SerializedValue))] at recipient [pekko.tcp://flink@172.21.48.3:6123/user/rpc/jobmanager_2] timed out. This is usually caused by: 1) Pekko failed sending the message silently, due to problems like oversized payload or serialization failures. In that case, you should find detailed error information in the logs. 2) The recipient needs more time for responding, due to problems like slow machines or network jitters. In that case, you can try to increase pekko.ask.timeout.