虽说这个算是正常现象，等的时间也太久了吧。分钟级了。这个RECOVERY里面的WAL有点多余。有这么久的时间，早从新读取kafka写入hdfs了。纯属个人见解。
@SuppressWarnings("fallthrough")
public boolean recover() {
try {
switch (state) {
case RECOVERY_STARTED:
log.info("Started recovery for topic partition {}", tp);
pause();
nextState();
case RECOVERY_PARTITION_PAUSED:
applyWAL();
nextState();
case WAL_APPLIED:
truncateWAL();
nextState();
case WAL_TRUNCATED:
resetOffsets();
nextState();
case OFFSET_RESET:
resume();
nextState();
log.info("Finished recovery for topic partition {}", tp);
break;
default:
log.error("{} is not a valid state to perform recovery for topic partition {}.", state, tp);
}
} catch (ConnectException e) {
log.error("Recovery failed at state {}", state, e);
setRetryTimeout(timeoutMs);
return false;
}
return true;
}
2017-08-18 01:35:53,716 ERROR [io.confluent.connect.hdfs.TopicPartitionWriter][215] - <Recovery failed at state RECOVERY_PARTITION_PAUSED> org.apache.kafka.connect.errors.ConnectException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.RecoveryInProgressException): Failed to close file ******/log. Lease recovery is in progress. Try again later. at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:3113) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2905) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:3189) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:3153) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:612) at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.append(AuthorizationProviderProxyClientProtocol.java:125) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:414) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2086) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2082) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2080) at io.confluent.connect.hdfs.wal.FSWAL.acquireLease(FSWAL.java:88) at io.confluent.connect.hdfs.wal.FSWAL.apply(FSWAL.java:105) at io.confluent.connect.hdfs.TopicPartitionWriter.applyWAL(TopicPartitionWriter.java:550) at io.confluent.connect.hdfs.TopicPartitionWriter.recover(TopicPartitionWriter.java:198) at io.confluent.connect.hdfs.DataWriter.recover(DataWriter.java:247) at io.confluent.connect.hdfs.DataWriter.open(DataWriter.java:289) at io.confluent.connect.hdfs.HdfsSinkTask.open(HdfsSinkTask.java:118) at org.apache.kafka.connect.runtime.WorkerSinkTask.openPartitions(WorkerSinkTask.java:428) at org.apache.kafka.connect.runtime.WorkerSinkTask.access$1000(WorkerSinkTask.java:54) at org.apache.kafka.connect.runtime.WorkerSinkTask$HandleRebalance.onPartitionsAssigned(WorkerSinkTask.java:464) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:234) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$2.onSuccess(AbstractCoordinator.java:255) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$2.onSuccess(AbstractCoordinator.java:250) at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:133) at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:107) at org.apache.kafka.clients.consumer.internals.RequestFuture$2.onSuccess(RequestFuture.java:182) at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:133) at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:107) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$SyncGroupResponseHandler.handle(AbstractCoordinator.java:459) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$SyncGroupResponseHandler.handle(AbstractCoordinator.java:445) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:702) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:681) at org.apache.kafka.clients.consumer.internals.RequestFuture$1.onSuccess(RequestFuture.java:167) at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:133) at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:107) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler.onComplete(ConsumerNetworkClient.java:426) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:278) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:163) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:266) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.ensurePartitionAssignment(ConsumerCoordinator.java:366) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:975) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:938) at org.apache.kafka.connect.runtime.WorkerSinkTask.pollConsumer(WorkerSinkTask.java:316) at org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:222) at org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:170) at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:142) at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:140) at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:175) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.RecoveryInProgressException): Failed to close file ******/log. Lease recovery is in progress. Try again later. at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:3113) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2905) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:3189) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:3153) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:612) at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.append(AuthorizationProviderProxyClientProtocol.java:125) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:414) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2086) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2082) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2080) at org.apache.hadoop.ipc.Client.call(Client.java:1468) at org.apache.hadoop.ipc.Client.call(Client.java:1399) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232) at com.sun.proxy.$Proxy50.append(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:313) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) at com.sun.proxy.$Proxy51.append(Unknown Source) at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1767) at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1803) at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1796) at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:323) at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:319) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319) at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1173) at io.confluent.connect.hdfs.wal.WALFile$Writer.<init>(WALFile.java:221) at io.confluent.connect.hdfs.wal.WALFile.createWriter(WALFile.java:67) at io.confluent.connect.hdfs.wal.FSWAL.acquireLease(FSWAL.java:73) ... 45 more