CDC(Change Data Capture) is made up of two components, the CDD and the CDT. CDD is stand for Change Data Detection and CDT is stand for Change Data Transfer.
org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0. #12
2022-12-01 18:34:34,845 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:34:44,904 WARN akka.remote.transport.netty.NettyTransport [] - Remote connection to [null] failed with java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587
2022-12-01 18:34:44,911 WARN akka.remote.ReliableDeliverySupervisor [] - Association with remote system [akka.tcp://flink@vm116:20587] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@vm116:20587]] Caused by: [java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587]
2022-12-01 18:34:44,944 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:34:54,999 WARN akka.remote.transport.netty.NettyTransport [] - Remote connection to [null] failed with java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587
2022-12-01 18:34:55,007 WARN akka.remote.ReliableDeliverySupervisor [] - Association with remote system [akka.tcp://flink@vm116:20587] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@vm116:20587]] Caused by: [java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587]
2022-12-01 18:34:55,016 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:35:05,049 WARN akka.remote.transport.netty.NettyTransport [] - Remote connection to [null] failed with java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587
2022-12-01 18:35:05,054 WARN akka.remote.ReliableDeliverySupervisor [] - Association with remote system [akka.tcp://flink@vm116:20587] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@vm116:20587]] Caused by: [java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587]
2022-12-01 18:35:05,058 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:35:15,101 WARN akka.remote.transport.netty.NettyTransport [] - Remote connection to [null] failed with java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587
2022-12-01 18:35:15,102 WARN akka.remote.ReliableDeliverySupervisor [] - Association with remote system [akka.tcp://flink@vm116:20587] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@vm116:20587]] Caused by: [java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587]
2022-12-01 18:35:15,112 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:35:25,155 WARN akka.remote.transport.netty.NettyTransport [] - Remote connection to [null] failed with java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587
2022-12-01 18:35:25,166 WARN akka.remote.ReliableDeliverySupervisor [] - Association with remote system [akka.tcp://flink@vm116:20587] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@vm116:20587]] Caused by: [java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587]
2022-12-01 18:35:25,172 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:35:35,233 WARN akka.remote.transport.netty.NettyTransport [] - Remote connection to [null] failed with java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587
2022-12-01 18:35:35,237 WARN akka.remote.ReliableDeliverySupervisor [] - Association with remote system [akka.tcp://flink@vm116:20587] has failed, address is now gated for [50] ms. Reason: [Association failed with [akka.tcp://flink@vm116:20587]] Caused by: [java.net.ConnectException: Connection refused: vm116/192.168.56.116:20587]
2022-12-01 18:35:35,258 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Could not resolve ResourceManager address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0, retrying in 10000 ms: Could not connect to rpc endpoint under address akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:35:41,913 INFO org.apache.flink.runtime.taskexecutor.TaskManagerRunner [] - RECEIVED SIGNAL 15: SIGTERM. Shutting down as requested.
2022-12-01 18:35:41,916 INFO org.apache.flink.runtime.blob.PermanentBlobCache [] - Shutting down BLOB cache
2022-12-01 18:35:41,917 INFO org.apache.flink.runtime.state.TaskExecutorStateChangelogStoragesManager [] - Shutting down TaskExecutorStateChangelogStoragesManager.
2022-12-01 18:35:41,917 INFO org.apache.flink.runtime.blob.TransientBlobCache [] - Shutting down BLOB cache
2022-12-01 18:35:41,925 INFO org.apache.flink.runtime.io.disk.FileChannelManagerImpl [] - FileChannelManager removed spill file directory /tmp/flink-netty-shuffle-bb3718ae-c8d9-4ea8-9a45-4291121d3390
2022-12-01 18:35:41,928 INFO org.apache.flink.runtime.filecache.FileCache [] - removed file cache directory /tmp/flink-dist-cache-1b30d5af-a75b-4674-b228-dcaa90ffb588
2022-12-01 18:35:41,937 INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager [] - Shutting down TaskExecutorLocalStateStoresManager.
2022-12-01 18:35:41,977 INFO org.apache.flink.runtime.io.disk.FileChannelManagerImpl [] - FileChannelManager removed spill file directory /tmp/flink-io-e310b450-98fc-4966-a847-8006ee938f1e
2022-12-01 18:35:41,989 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Stopping TaskExecutor akka.tcp://flink@localhost:7955/user/rpc/taskmanager_0.
2022-12-01 18:35:41,990 INFO org.apache.flink.runtime.taskexecutor.TaskExecutor [] - Terminating registration attempts towards ResourceManager akka.tcp://flink@vm116:20587/user/rpc/resourcemanager_0.
2022-12-01 18:35:42,008 INFO org.apache.flink.runtime.taskexecutor.DefaultJobLeaderService [] - Stop job leader service.
2022-12-01 18:35:42,008 INFO org.apache.flink.runtime.leaderretrieval.DefaultLeaderRetrievalService [] - Stopping DefaultLeaderRetrievalService.
2022-12-01 18:35:42,009 INFO org.apache.flink.runtime.leaderretrieval.ZooKeeperLeaderRetrievalDriver [] - Closing ZookeeperLeaderRetrievalDriver{connectionInformationPath='/resource_manager/connection_info'}.
2022-12-01 18:35:42,042 INFO org.apache.flink.runtime.io.network.NettyShuffleEnvironment [] - Shutting down the network environment and its components.
2022-12-01 18:35:42,289 INFO akka.remote.RemoteActorRefProvider$RemotingTerminator [] - Shutting down remote daemon.
2022-12-01 18:35:42,291 INFO akka.remote.RemoteActorRefProvider$RemotingTerminator [] - Remote daemon shut down; proceeding with flushing remote transports.
2022-12-01 18:35:42,328 INFO akka.remote.RemoteActorRefProvider$RemotingTerminator [] - Remoting shut down.
2022-12-01 18:35:42,353 WARN akka.actor.CoordinatedShutdown [] - Could not addJvmShutdownHook, due to: Shutdown in progress
2022-12-01 18:35:42,360 INFO akka.remote.RemoteActorRefProvider$RemotingTerminator [] - Shutting down remote daemon.
2022-12-01 18:35:42,361 INFO akka.remote.RemoteActorRefProvider$RemotingTerminator [] - Remote daemon shut down; proceeding with flushing remote transports.
2022-12-01 18:35:42,381 INFO akka.remote.RemoteActorRefProvider$RemotingTerminator [] - Remoting shut down.