[jira] [Created] (CAMEL-15752) Exception java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/JsonNode

["Paolo Patierno (Jira)" <ji...@apache.org>]

Paolo Patierno created CAMEL-15752:
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             Summary: Exception java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/JsonNode
                 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


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':
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}}

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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