org.apache.kafka.common.errors.SerializationException: Can't convert value of class [B to class org.apache.kafka.common.serialization.StringSerializer specified in value.serializer Blockquote Message History RouteId ProcessorId Processor Elapsed (ms) [toEnrichEmail ] [toEnrichEmail ] [direct://toEnrichEmail ] [ 57] [toEnrichEmail ] [marshal1 ] [marshal[org.apache.camel.model.dataformat.JsonDataFormat@142a2fec] ] [ 10] [toEnrichEmail ] [log4 ] [log ] [ 15] [toEnrichEmail ] [to3 ] [kafka:localhost:9092?topic=enrich-email&requestRequiredAcks=-1 ] [ 25] Stacktrace ---------------------------------------------------------------------------------------------------------------------------------------: org.apache.kafka.common.errors.SerializationException: Can't convert value of class [B to class org.apache.kafka.common.serialization.StringSerializer specified in value.serializer 16:32:21,011 INFO [stdout] (default task-12) 2017-02-07T16:32:21,010 INFO com.sial.notifications.common.rest.NotificationExceptionResponseMapper - Mapping Exception org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12) 2017-02-07T16:32:21,014 ERROR com.sial.notifications.common.rest.NotificationExceptionResponseMapper - Mapped exception org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12) org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12)

Stack Overflow | whomer | 1 month ago
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    Camel Kafka serialization error

    Stack Overflow | 1 month ago | whomer
    org.apache.kafka.common.errors.SerializationException: Can't convert value of class [B to class org.apache.kafka.common.serialization.StringSerializer specified in value.serializer Blockquote Message History RouteId ProcessorId Processor Elapsed (ms) [toEnrichEmail ] [toEnrichEmail ] [direct://toEnrichEmail ] [ 57] [toEnrichEmail ] [marshal1 ] [marshal[org.apache.camel.model.dataformat.JsonDataFormat@142a2fec] ] [ 10] [toEnrichEmail ] [log4 ] [log ] [ 15] [toEnrichEmail ] [to3 ] [kafka:localhost:9092?topic=enrich-email&requestRequiredAcks=-1 ] [ 25] Stacktrace ---------------------------------------------------------------------------------------------------------------------------------------: org.apache.kafka.common.errors.SerializationException: Can't convert value of class [B to class org.apache.kafka.common.serialization.StringSerializer specified in value.serializer 16:32:21,011 INFO [stdout] (default task-12) 2017-02-07T16:32:21,010 INFO com.sial.notifications.common.rest.NotificationExceptionResponseMapper - Mapping Exception org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12) 2017-02-07T16:32:21,014 ERROR com.sial.notifications.common.rest.NotificationExceptionResponseMapper - Mapped exception org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12) org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12)
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    Root Cause Analysis

    1. org.apache.kafka.common.errors.SerializationException

      Can't convert value of class [B to class org.apache.kafka.common.serialization.StringSerializer specified in value.serializer Blockquote Message History RouteId ProcessorId Processor Elapsed (ms) [toEnrichEmail ] [toEnrichEmail ] [direct://toEnrichEmail ] [ 57] [toEnrichEmail ] [marshal1 ] [marshal[org.apache.camel.model.dataformat.JsonDataFormat@142a2fec] ] [ 10] [toEnrichEmail ] [log4 ] [log ] [ 15] [toEnrichEmail ] [to3 ] [kafka:localhost:9092?topic=enrich-email&requestRequiredAcks=-1 ] [ 25] Stacktrace ---------------------------------------------------------------------------------------------------------------------------------------: org.apache.kafka.common.errors.SerializationException: Can't convert value of class [B to class org.apache.kafka.common.serialization.StringSerializer specified in value.serializer 16:32:21,011 INFO [stdout] (default task-12) 2017-02-07T16:32:21,010 INFO com.sial.notifications.common.rest.NotificationExceptionResponseMapper - Mapping Exception org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12) 2017-02-07T16:32:21,014 ERROR com.sial.notifications.common.rest.NotificationExceptionResponseMapper - Mapped exception org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12) org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[ID-STLDEEPX06-sial-com-49604-1486506685312-1-2] 16:32:21,021 INFO [stdout] (default task-12)

      at org.apache.camel.util.ObjectHelper.wrapCamelExecutionException()
    2. Camel :: Core
      DefaultProducerTemplate.sendBodyAndHeaders
      1. org.apache.camel.util.ObjectHelper.wrapCamelExecutionException(ObjectHelper.java:1779)[camel-core-2.18.2.jar:2.18.2]
      2. org.apache.camel.util.ExchangeHelper.extractResultBody(ExchangeHelper.java:677)[camel-core-2.18.2.jar:2.18.2]
      3. org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:515)[camel-core-2.18.2.jar:2.18.2]
      4. org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:511)[camel-core-2.18.2.jar:2.18.2]
      5. org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeaders(DefaultProducerTemplate.java:259)[camel-core-2.18.2.jar:2.18.2]
      6. org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeaders(DefaultProducerTemplate.java:253)[camel-core-2.18.2.jar:2.18.2]
      6 frames
    3. com.sial.notifications
      NotificationMessageServiceImpl.submitMessageToRoute
      1. com.sial.notifications.messages.rest.NotificationMessageServiceImpl.submitMessageToRoute(NotificationMessageServiceImpl.java:66)[classes:?]
      1 frame