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Posted to issues@camel.apache.org by "Andrea Cosentino (Jira)" <ji...@apache.org> on 2020/10/26 14:04:00 UTC
[jira] [Resolved] (CAMEL-15752) Camel-Kafka: Exception
java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/JsonNode on
Camel-Kafka component
[ https://issues.apache.org/jira/browse/CAMEL-15752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrea Cosentino resolved CAMEL-15752.
--------------------------------------
Resolution: Fixed
> Camel-Kafka: Exception java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/JsonNode on Camel-Kafka component
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-15752
> URL: https://issues.apache.org/jira/browse/CAMEL-15752
> Project: Camel
> Issue Type: Bug
> Components: camel-kafka
> Affects Versions: 3.6.0
> Reporter: Paolo Patierno
> Assignee: Andrea Cosentino
> Priority: Major
> Fix For: 3.7.0
>
>
> Hi,
> I have an application using camel-kafka 3.4.4 (which has kafka 2.5.0 as dependency).
> When I switch to use camel-kafka 3.6.0 (which has kafka 2.6.0 as dependency), I get the following exception.
> {{020-10-24 19:23:45 ERROR KafkaThread:49 - Uncaught exception in thread 'kafka-producer-network-thread | raw-packets':
> {noformat}
> java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/JsonNode
> at org.apache.kafka.common.requests.ApiVersionsRequest$Builder.<clinit>(ApiVersionsRequest.java:36)
> at org.apache.kafka.clients.NetworkClient.handleConnections(NetworkClient.java:910)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:555)
> at org.apache.kafka.clients.producer.internals.Sender.runOnce(Sender.java:325)
> at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:240)
> at java.base/java.lang.Thread.run(Thread.java:834)
> Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.JsonNode
> at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
> at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
> ... 6 more}}{noformat}
> Adding the explicit dependency to jackson-databind as following solves the problem
> {code:java}
> <dependency>
> <groupId>com.fasterxml.jackson.core</groupId>
> <artifactId>jackson-databind</artifactId>
> <version>2.11.3</version>
> </dependency>
> {code}
> As reference, this is the parent pom.xml in my project where I set camel-kafka version (but even Kafka version, which is used in other modules).
> [https://github.com/ppatierno/formula1-telemetry-kafka/blob/master/pom.xml]
> and following the pom.xml of the specific application using camel-kafka (where I have to add the jackson-databind reference for fixing the exception).
> [https://github.com/ppatierno/formula1-telemetry-kafka/blob/master/f1-telemetry-udp-kafka/pom.xml]
>
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