lk-1984 opened a new issue, #12507: URL: https://github.com/apache/iceberg/issues/12507
### Apache Iceberg version 1.8.1 (latest release) ### Query engine None ### Please describe the bug 🐞 This class is in the `iceberg-api` which is the compile time dependency for `iceberg-kafka-connect` and `iceberg-kafka-connect-events`, but when I load those, the IcebergBuild class is missing. When cp-kafka-connect-base starts... ``` 2025-03-12 20:46:16 [2025-03-12 18:46:16,354] INFO Loading plugin from: /data/connect-jars/iceberg-kafka-connect-1.8.1.jar (org.apache.kafka.connect.runtime.isolation.PluginScanner:76) 2025-03-12 20:46:16 [2025-03-12 18:46:16,355] ERROR Failed to get plugin version for class org.apache.iceberg.connect.IcebergSinkConnector (org.apache.kafka.connect.runtime.isolation.PluginScanner:202) 2025-03-12 20:46:16 java.lang.NoClassDefFoundError: org/apache/iceberg/IcebergBuild 2025-03-12 20:46:16 at org.apache.iceberg.connect.IcebergSinkConfig.version(IcebergSinkConfig.java:107) 2025-03-12 20:46:16 at org.apache.iceberg.connect.IcebergSinkConnector.version(IcebergSinkConnector.java:37) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.PluginScanner.versionFor(PluginScanner.java:199) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.PluginScanner.getServiceLoaderPluginDesc(PluginScanner.java:149) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.ServiceLoaderScanner.scanPlugins(ServiceLoaderScanner.java:59) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.PluginScanner.scanUrlsAndAddPlugins(PluginScanner.java:80) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.PluginScanner.discoverPlugins(PluginScanner.java:68) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.Plugins.initLoaders(Plugins.java:84) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.Plugins.<init>(Plugins.java:76) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.Plugins.<init>(Plugins.java:65) 2025-03-12 20:46:16 at org.apache.kafka.connect.cli.AbstractConnectCli.startConnect(AbstractConnectCli.java:121) 2025-03-12 20:46:16 at org.apache.kafka.connect.cli.AbstractConnectCli.run(AbstractConnectCli.java:95) 2025-03-12 20:46:16 at org.apache.kafka.connect.cli.ConnectDistributed.main(ConnectDistributed.java:112) 2025-03-12 20:46:16 Caused by: java.lang.ClassNotFoundException: org.apache.iceberg.IcebergBuild 2025-03-12 20:46:16 at java.base/java.net.URLClassLoader.findClass(Unknown Source) 2025-03-12 20:46:16 at java.base/java.lang.ClassLoader.loadClass(Unknown Source) 2025-03-12 20:46:16 at org.apache.kafka.connect.runtime.isolation.PluginClassLoader.loadClass(PluginClassLoader.java:124) 2025-03-12 20:46:16 at java.base/java.lang.ClassLoader.loadClass(Unknown Source) 2025-03-12 20:46:16 ... 13 more ``` When I try to start the connector, then obviously... ``` 2025-03-12 21:00:41 [2025-03-12 19:00:41,299] INFO 192.168.65.1 - - [12/Mar/2025:19:00:41 +0000] "POST /connectors HTTP/1.1" 201 613 "-" "curl/8.7.1" 42 (org.apache.kafka.connect.runtime.rest.RestServer:62) 2025-03-12 21:00:41 [2025-03-12 19:00:41,302] ERROR [iceberg-sink-connector|worker] [Worker clientId=connect-kafka-connect:8083, groupId=kafka-connect] Failed to start connector 'iceberg-sink-connector' (org.apache.kafka.connect.runtime.distributed.DistributedHerder:2133) 2025-03-12 21:00:41 org.apache.kafka.connect.errors.ConnectException: Failed to start connector: iceberg-sink-connector 2025-03-12 21:00:41 at org.apache.kafka.connect.runtime.distributed.DistributedHerder.lambda$startConnector$43(DistributedHerder.java:2103) 2025-03-12 21:00:41 at org.apache.kafka.connect.runtime.Worker.startConnector(Worker.java:340) 2025-03-12 21:00:41 at org.apache.kafka.connect.runtime.distributed.DistributedHerder.startConnector(DistributedHerder.java:2125) 2025-03-12 21:00:41 at org.apache.kafka.connect.runtime.distributed.DistributedHerder.lambda$getConnectorStartingCallable$45(DistributedHerder.java:2131) 2025-03-12 21:00:41 at java.base/java.util.concurrent.FutureTask.run(Unknown Source) 2025-03-12 21:00:41 at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) 2025-03-12 21:00:41 at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 2025-03-12 21:00:41 at java.base/java.lang.Thread.run(Unknown Source) 2025-03-12 21:00:41 Caused by: java.lang.NoClassDefFoundError: org/apache/iceberg/IcebergBuild 2025-03-12 21:00:41 at org.apache.iceberg.connect.IcebergSinkConfig.version(IcebergSinkConfig.java:107) 2025-03-12 21:00:41 at org.apache.iceberg.connect.IcebergSinkConnector.version(IcebergSinkConnector.java:37) 2025-03-12 21:00:41 at org.apache.kafka.connect.runtime.WorkerConnector$ConnectorMetricsGroup.<init>(WorkerConnector.java:467) 2025-03-12 21:00:41 at org.apache.kafka.connect.runtime.WorkerConnector.<init>(WorkerConnector.java:100) 2025-03-12 21:00:41 at org.apache.kafka.connect.runtime.Worker.startConnector(Worker.java:333) 2025-03-12 21:00:41 ... 6 more 2025-03-12 21:00:41 Caused by: java.lang.ClassNotFoundException: org.apache.iceberg.IcebergBuild 2025-03-12 21:00:41 ... 11 more 2025-03-12 21:00:41 [2025-03-12 19:00:41,302] INFO [Worker clientId=connect-kafka-connect:8083, groupId=kafka-connect] Finished starting connectors and tasks (org.apache.kafka.connect.runtime.distributed.DistributedHerder:2008) ``` ### Willingness to contribute - [ ] I can contribute a fix for this bug independently - [ ] I would be willing to contribute a fix for this bug with guidance from the Iceberg community - [x] I cannot contribute a fix for this bug at this time -- This is an automated message from the Apache Git Service. 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