Flink CDC里提交两个任务读取sqlserver cdc,java.lang.RuntimeException: One or more fetchers have encountered exception是要设置debezium 的servername吗?sqlserver 没有server id可配。报错2024-04-16 17:22:17
java.lang.RuntimeException: One or more fetchers have encountered exception
at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcherManager.checkErrors(SplitFetcherManager.java:225)
at org.apache.flink.connector.base.source.reader.SourceReaderBase.getNextFetch(SourceReaderBase.java:169)
at org.apache.flink.connector.base.source.reader.SourceReaderBase.pollNext(SourceReaderBase.java:130)
at org.apache.flink.streaming.api.operators.SourceOperator.emitNext(SourceOperator.java:389)
at org.apache.flink.streaming.runtime.io.StreamTaskSourceInput.emitNext(StreamTaskSourceInput.java:68)
at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65)
at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:545)
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231)
at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:836)
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:785)
at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:935)
at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:914)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:728)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:550)
at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.NoClassDefFoundError: org/apache/kafka/connect/errors/ConnectException
at com.ververica.cdc.connectors.sqlserver.source.reader.fetch.SqlServerSourceFetchTaskContext.loadStartingOffsetState(SqlServerSourceFetchTaskContext.java:173)
at com.ververica.cdc.connectors.sqlserver.source.reader.fetch.SqlServerSourceFetchTaskContext.configure(SqlServerSourceFetchTaskContext.java:121)
at com.ververica.cdc.connectors.base.source.reader.external.IncrementalSourceScanFetcher.submitTask(IncrementalSourceScanFetcher.java:90)
at com.ververica.cdc.connectors.base.source.reader.IncrementalSourceSplitReader.checkSplitOrStartNext(IncrementalSourceSplitReader.java:148)
at com.ververica.cdc.connectors.base.source.reader.IncrementalSourceSplitReader.fetch(IncrementalSourceSplitReader.java:78)
at org.apache.flink.connector.base.source.reader.fetcher.FetchTask.run(FetchTask.java:58)
at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:142)
at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.run(SplitFetcher.java:105)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
... 1 more
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.connect.errors.ConnectException
at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 13 more即使这里放了,工程里面也不能provider
参考
https://github.com/apache/flink-cdc/issues/709
有相关issue。此回答来自钉群Flink CDC 社区。
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