# \#s3 **URL:** https://ask.lenses.io/tag/s3/6.md [Latest](https://ask.lenses.io/latest.md) · [Categories](https://ask.lenses.io/categories.md) · [Tags](https://ask.lenses.io/tags.md) --- ## [Issue: Incomplete and duplicated topic restore from S3 to AWS MSK using Lenses S3 Source Connector](https://ask.lenses.io/t/issue-incomplete-and-duplicated-topic-restore-from-s3-to-aws-msk-using-lenses-s3-source-connector/459)
**Author:** [@Barnabas\_Lukacs](https://ask.lenses.io/u/Barnabas_Lukacs)\ **Replies:** 2\ **Last updated:** [January 23, 2026, 10:33pm UTC](https://ask.lenses.io/t/issue-incomplete-and-duplicated-topic-restore-from-s3-to-aws-msk-using-lenses-s3-source-connector/459 "2026-01-23T22:33:51Z")
I am backing up all topics from an AWS MSK cluster to Amazon S3 using the Lenses Kafka Connect AWS S3 connector (kafka-connect-aws-s3-8.1.33.zip). Backup configuration I use the following S3 Sink Connector configuratio… --- ## [S3 sink connector fails with "invalid version id specified" error](https://ask.lenses.io/t/s3-sink-connector-fails-with-invalid-version-id-specified-error/420)
**Author:** [@APA](https://ask.lenses.io/u/APA)\ **Replies:** 0\ **Last updated:** [August 22, 2025, 8:48am UTC](https://ask.lenses.io/t/s3-sink-connector-fails-with-invalid-version-id-specified-error/420 "2025-08-22T08:48:35Z")
I have a s3 sink connector (10.0.0) configured to basically make a golden copy of my messages on our pure storage system. It runs but after a while it fails with the error „invalid version id specified (Service: S3, Sta… --- ## [Lenses S3 Sink Connector: Regex to restore multiple Kafka topics in one configuration](https://ask.lenses.io/t/lenses-s3-sink-connector-regex-to-restore-multiple-kafka-topics-in-one-configuration/383)
**Author:** [@dplater](https://ask.lenses.io/u/dplater)\ **Replies:** 1\ **Last updated:** [June 18, 2025, 9:36am UTC](https://ask.lenses.io/t/lenses-s3-sink-connector-regex-to-restore-multiple-kafka-topics-in-one-configuration/383 "2025-06-18T09:36:07Z")
Following a discussion here: Slack I’d like to have the possibility of restoring topics in s3 to topics named the same (or possibly other) using regex. For example it’s possible to backup topics using "INSERT INTO my-… --- ## [S3 Source Kafka Connector fails to write tombstone event to kafka with byteArrayConverter](https://ask.lenses.io/t/s3-source-kafka-connector-fails-to-write-tombstone-event-to-kafka-with-bytearrayconverter/361)
**Author:** [@Miaw7](https://ask.lenses.io/u/Miaw7)\ **Replies:** 0\ **Last updated:** [April 25, 2025, 3:01pm UTC](https://ask.lenses.io/t/s3-source-kafka-connector-fails-to-write-tombstone-event-to-kafka-with-bytearrayconverter/361 "2025-04-25T15:01:45Z")
Hi I’m using S3 Kafka connectors ver. 8.1.32 from stream-reactor (lensesio) I deploy them as MSK connector. Sink writes to s3 bucket, source restores back to MSK This is my config for sink connector: { "connector.… --- ## [S3 Source CSV to Avro](https://ask.lenses.io/t/s3-source-csv-to-avro/357)
**Author:** [@dharvey](https://ask.lenses.io/u/dharvey)\ **Replies:** 0\ **Last updated:** [April 16, 2025, 8:55am UTC](https://ask.lenses.io/t/s3-source-csv-to-avro/357 "2025-04-16T08:55:53Z")
I have some data stored in S3 in CSV format and I’m looking to use the S3 source connector to ingest this data into Kafka. The Kafka topic I’m looking to ingest into has an Avro schema stored in my Confluent schema regi… --- ## [S3 source connector not grabbing all events in bucket](https://ask.lenses.io/t/s3-source-connector-not-grabbing-all-events-in-bucket/307)
**Author:** [@fejiwack](https://ask.lenses.io/u/fejiwack)\ **Replies:** 1\ **Last updated:** [November 22, 2024, 1:56pm UTC](https://ask.lenses.io/t/s3-source-connector-not-grabbing-all-events-in-bucket/307 "2024-11-22T13:56:56Z")
(reposting discussion from Slack) I’m noticing that the s3 source connector is not actually grabbing all data in the bucket for some reason. It seems nearly half is being ignored and never makes it into the topic. This … --- ## [Why there is no reference to the necessary .indexes prefix in the S3 Sink connector documentation?](https://ask.lenses.io/t/why-there-is-no-reference-to-the-necessary-indexes-prefix-in-the-s3-sink-connector-documentation/267)
**Author:** [@mauro-dellachiesa-bl](https://ask.lenses.io/u/mauro-dellachiesa-bl)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 8:40am UTC](https://ask.lenses.io/t/why-there-is-no-reference-to-the-necessary-indexes-prefix-in-the-s3-sink-connector-documentation/267 "2024-10-17T08:40:41Z")
While I was trying to setup the S3 Sink connector and tightening as much as possible the permissions on the S3 bucket and the prefix I wanted the connector to use, I came to realize that there is a non documented (at lea… --- ## [Error "Bytes must be provided" on S3 sink](https://ask.lenses.io/t/error-bytes-must-be-provided-on-s3-sink/265)
**Author:** [@mauro-dellachiesa-bl](https://ask.lenses.io/u/mauro-dellachiesa-bl)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 8:38am UTC](https://ask.lenses.io/t/error-bytes-must-be-provided-on-s3-sink/265 "2024-10-17T08:38:08Z")
Hello everyone! I’m trying to use the S3 Sink connector and after several attempts I got it running. The problem is that a few moments after it started, I see this error in the logs: Encountered error \[requirement fail… --- ## [No space left on device error when using S3 Connector On Strimzi](https://ask.lenses.io/t/no-space-left-on-device-error-when-using-s3-connector-on-strimzi/262)
**Author:** [@Xian\_Ding\_Lu](https://ask.lenses.io/u/Xian_Ding_Lu)\ **Replies:** 1\ **Last updated:** [July 18, 2024, 7:23am UTC](https://ask.lenses.io/t/no-space-left-on-device-error-when-using-s3-connector-on-strimzi/262 "2024-07-18T07:23:34Z")
My configuration: { "connector.class": "io.lenses.streamreactor.connect.aws.s3.sink.S3SinkConnector", "key.converter.schemas.enable": "false", "flush.count": "100", "connect.s3.kcql": "INSERT INTO kafka-s3-sink:lens… --- ## [Reset offset files in S3 for Lenses s3 sink connector](https://ask.lenses.io/t/reset-offset-files-in-s3-for-lenses-s3-sink-connector/195)
**Author:** [@shaik\_ahmed](https://ask.lenses.io/u/shaik_ahmed)\ **Replies:** 3\ **Last updated:** [February 23, 2024, 9:41am UTC](https://ask.lenses.io/t/reset-offset-files-in-s3-for-lenses-s3-sink-connector/195 "2024-02-23T09:41:35Z")
Hi Team! I have added s3 sink connector in MSK connect. When I remove and create the connector again, the .indexes folder in s3 bucket for offsets are not removed. Is there any configuration to automatically remove the .…