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https://issues.apache.org/jira/browse/KAFKA-15012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chris Egerton resolved KAFKA-15012.
-----------------------------------
Fix Version/s: 3.6.0
Resolution: Fixed
> JsonConverter fails when there are leading Zeros in a field
> -----------------------------------------------------------
>
> Key: KAFKA-15012
> URL: https://issues.apache.org/jira/browse/KAFKA-15012
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Affects Versions: 3.4.0, 3.3.2
> Reporter: Ranjan Rao
> Assignee: Yash Mayya
> Priority: Major
> Fix For: 3.6.0
>
> Attachments:
> enable_ALLOW_LEADING_ZEROS_FOR_NUMBERS_in_jackson_object_mapper_.patch
>
>
> When there are leading zeros in a field in the Kakfa Record, a sink connector
> using JsonConverter fails with the below exception
>
> {code:java}
> org.apache.kafka.connect.errors.ConnectException: Tolerance exceeded in error
> handler
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndHandleError(RetryWithToleranceOperator.java:206)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execute(RetryWithToleranceOperator.java:132)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertAndTransformRecord(WorkerSinkTask.java:494)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertMessages(WorkerSinkTask.java:474)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:329)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:232)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:201)
> at
> org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:188)
> at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:237)
> at
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:829)
> Caused by: org.apache.kafka.connect.errors.DataException: Converting byte[]
> to Kafka Connect data failed due to serialization error:
> at
> org.apache.kafka.connect.json.JsonConverter.toConnectData(JsonConverter.java:324)
> at
> org.apache.kafka.connect.storage.Converter.toConnectData(Converter.java:87)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertKey(WorkerSinkTask.java:531)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.lambda$convertAndTransformRecord$1(WorkerSinkTask.java:494)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndRetry(RetryWithToleranceOperator.java:156)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndHandleError(RetryWithToleranceOperator.java:190)
> ... 13 more
> Caused by: org.apache.kafka.common.errors.SerializationException:
> com.fasterxml.jackson.core.JsonParseException: Invalid numeric value: Leading
> zeroes not allowed
> at [Source: (byte[])"00080153032837"; line: 1, column: 2]
> Caused by: com.fasterxml.jackson.core.JsonParseException: Invalid numeric
> value: Leading zeroes not allowed
> at [Source: (byte[])"00080153032837"; line: 1, column: 2]
> at
> com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1840)
> at
> com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:712)
> at
> com.fasterxml.jackson.core.base.ParserMinimalBase.reportInvalidNumber(ParserMinimalBase.java:551)
> at
> com.fasterxml.jackson.core.json.UTF8StreamJsonParser._verifyNoLeadingZeroes(UTF8StreamJsonParser.java:1520)
> at
> com.fasterxml.jackson.core.json.UTF8StreamJsonParser._parsePosNumber(UTF8StreamJsonParser.java:1372)
> at
> com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:855)
> at
> com.fasterxml.jackson.core.json.UTF8StreamJsonParser.nextToken(UTF8StreamJsonParser.java:754)
> at
> com.fasterxml.jackson.databind.ObjectMapper._readTreeAndClose(ObjectMapper.java:4247)
> at
> com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2734)
> at
> org.apache.kafka.connect.json.JsonDeserializer.deserialize(JsonDeserializer.java:64)
> at
> org.apache.kafka.connect.json.JsonConverter.toConnectData(JsonConverter.java:322)
> at
> org.apache.kafka.connect.storage.Converter.toConnectData(Converter.java:87)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertKey(WorkerSinkTask.java:531)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.lambda$convertAndTransformRecord$1(WorkerSinkTask.java:494)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndRetry(RetryWithToleranceOperator.java:156)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execAndHandleError(RetryWithToleranceOperator.java:190)
> at
> org.apache.kafka.connect.runtime.errors.RetryWithToleranceOperator.execute(RetryWithToleranceOperator.java:132)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertAndTransformRecord(WorkerSinkTask.java:494)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.convertMessages(WorkerSinkTask.java:474)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:329)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:232)
> at
> org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:201)
> at
> org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:188)
> at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:237)
> at
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:829) {code}
>
>
> To resolve the issue, we need to add the below line when in the
> JsonSerializer.java and JsonDeserializer.java classes.
> {code:java}
> objectMapper.enable(JsonReadFeature.ALLOWLEADINGZEROSFORNUMBERS.mappedFeature());
> {code}
> Attaching a patch file showing the changes here.
>
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