GuiSong01 opened a new issue, #10848: URL: https://github.com/apache/skywalking/issues/10848
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/skywalking/issues?q=is%3Aissue) and found no similar issues. ### Apache SkyWalking Component Java Agent (apache/skywalking-java) ### What happened When I use kafka-reporter-plugin to report trace data by [Advanced Reporters](https://skywalking.apache.org/docs/skywalking-java/v8.8.0/en/setup/service-agent/java-agent/advanced-reporters/),I found exception in skywalking-api.log: ``` ERROR 2023-05-23 16:00:59.314 SkywalkingAgent-13-org.apache.skywalking.apm.dependencies.kafkaProducerInitThread-0 KafkaProducerManager : unexpected exception. java.lang.NoClassDefFoundError: com/google/gson/Gson at org.apache.skywalking.apm.agent.core.kafka.KafkaProducerManager.run(KafkaProducerManager.java:109) at org.apache.skywalking.apm.util.RunnableWithExceptionProtection.run(RunnableWithExceptionProtection.java:33) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassNotFoundException: Can't find com.google.gson.Gson at org.apache.skywalking.apm.agent.core.plugin.loader.AgentClassLoader.findClass(AgentClassLoader.java:117) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ... 9 more ``` [discussions](https://github.com/apache/skywalking/discussions/10847) ### What you expected to happen It can work when I config `SW_PLUGIN_KAFKA_PRODUCER_CONFIG_JSON` in `agent.config` ### How to reproduce add `shade`/`relocation` configuration in kafka-reporter-plugin pom.xml ### Anything else _No response_ ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
