Caused by: java.lang.NoClassDefFoundError: org/apache/flink/shaded/guava18/com/google/common/util/concurrent/ThreadFactoryBuilder at com.ververica.cdc.debezium.DebeziumSourceFunction.open(DebeziumSourceFunction.java:217) at org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:34) at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:101) at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.initializeStateAndOpenOperators(RegularOperatorChain.java:107) at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreGates(StreamTask.java:734) at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.call(StreamTaskActionExecutor.java:100) at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreInternal(StreamTask.java:709) at org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:675) at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:952) at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:921) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:745) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassNotFoundException: org.apache.flink.shaded.guava18.com.google.common.util.concurrent.ThreadFactoryBuilder at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 13 more 这是什么报错信息

这是一个 Java 异常错误信息。具体来说，这个错误信息表明在程序运行时，Java 找不到一个名为 `org.apache.flink.shaded.guava18.com.google.common.util.concurrent.ThreadFactoryBuilder` 的类。这个类可能是某个依赖库中的类，但是这个依赖库没有被正确地加载或者没有被添加到程序的类路径中。