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  1. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

  2. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

Solutions on the web

via GitHub by blbradley
, 1 year ago
For input string: "streaming"
via Coderanch by Praneet Mirchandani, 1 year ago
via Coderanch by Vladimir Razov, 1 year ago
java.lang.NumberFormatException: For input string: "streaming"	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)	at java.lang.Integer.parseInt(Integer.java:580)	at java.lang.Integer.parseInt(Integer.java:615)	at io.confluent.connect.hdfs.filter.TopicPartitionCommittedFileFilter.accept(TopicPartitionCommittedFileFilter.java:37)	at io.confluent.connect.hdfs.FileUtils.fileStatusWithMaxOffset(FileUtils.java:141)	at io.confluent.connect.hdfs.FileUtils.fileStatusWithMaxOffset(FileUtils.java:130)	at io.confluent.connect.hdfs.TopicPartitionWriter.readOffset(TopicPartitionWriter.java:390)	at io.confluent.connect.hdfs.TopicPartitionWriter.resetOffsets(TopicPartitionWriter.java:453)	at io.confluent.connect.hdfs.TopicPartitionWriter.recover(TopicPartitionWriter.java:203)	at io.confluent.connect.hdfs.DataWriter.recover(DataWriter.java:239)	at io.confluent.connect.hdfs.DataWriter.open(DataWriter.java:281)	at io.confluent.connect.hdfs.HdfsSinkTask.open(HdfsSinkTask.java:104)	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$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)