Flink开发中社区也有人提问：
开始遇到这个问题，Flink lib下的包：
java.lang.NoClassDefFoundError: org/apache/flink/streaming/connectors/kafka/KafkaTableSourceSinkFactoryBase
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
at org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:61)
at org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:48)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:370)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
at java.util.Iterator.forEachRemaining(Iterator.java:116)
at org.apache.flink.table.factories.TableFactoryService.discoverFactories(TableFactoryService.java:214)
at org.apache.flink.table.factories.TableFactoryService.findAllInternal(TableFactoryService.java:170)
at org.apache.flink.table.factories.TableFactoryService.findAll(TableFactoryService.java:125)
at org.apache.flink.table.factories.ComponentFactoryService.find(ComponentFactoryService.java:48)
at org.apache.flink.table.api.bridge.java.internal.StreamTableEnvironmentImpl.lookupExecutor(StreamTableEnvironmentImpl.java:148)
at org.apache.flink.table.api.bridge.java.internal.StreamTableEnvironmentImpl.create(StreamTableEnvironmentImpl.java:126)
at org.apache.flink.table.api.bridge.java.StreamTableEnvironment.create(StreamTableEnvironment.java:111)
at flink_sql.ReadCsv2kafka.main(ReadCsv2kafka.java:50)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:288)
at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:198)
at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:149)
at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:699)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:232)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:916)
at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:992)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:992)
Caused by: java.lang.ClassNotFoundException: org.apache.flink.streaming.connectors.kafka.KafkaTableSourceSinkFactoryBase
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 45 more
代码加入依赖包：
java.lang.NoClassDefFoundError: org/apache/kafka/common/errors/InvalidTxnStateException
at org.apache.flink.streaming.connectors.kafka.table.KafkaDynamicSink.createKafkaProducer(KafkaDynamicSink.java:59)
at org.apache.flink.streaming.connectors.kafka.table.KafkaDynamicSinkBase.getSinkRuntimeProvider(KafkaDynamicSinkBase.java:84)
at org.apache.flink.table.planner.plan.nodes.common.CommonPhysicalSink.createSinkTransformation(CommonPhysicalSink.scala:68)
at org.apache.flink.table.planner.plan.nodes.physical.stream.StreamExecSink.translateToPlanInternal(StreamExecSink.scala:103)
at org.apache.flink.table.planner.plan.nodes.physical.stream.StreamExecSink.translateToPlanInternal(StreamExecSink.scala:43)
at org.apache.flink.table.planner.plan.nodes.exec.ExecNode$class.translateToPlan(ExecNode.scala:58)
at org.apache.flink.table.planner.plan.nodes.physical.stream.StreamExecSink.translateToPlan(StreamExecSink.scala:43)
at org.apache.flink.table.planner.delegation.StreamPlanner$$anonfun$translateToPlan$1.apply(StreamPlanner.scala:67)
at org.apache.flink.table.planner.delegation.StreamPlanner$$anonfun$translateToPlan$1.apply(StreamPlanner.scala:66)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.Iterator$class.foreach(Iterator.scala:891)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
at scala.collection.AbstractTraversable.map(Traversable.scala:104)
at org.apache.flink.table.planner.delegation.StreamPlanner.translateToPlan(StreamPlanner.scala:66)
at org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:166)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:1248)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:694)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeOperation(TableEnvironmentImpl.java:781)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeSql(TableEnvironmentImpl.java:684)
at flink_sql.ReadCsv2kafka.main(ReadCsv2kafka.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:288)
at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:198)
at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:149)
at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:699)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:232)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:916)
at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:992)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:992)
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.common.errors.InvalidTxnStateException
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 40 more
现在报这个包不存在，我觉得是方向出现错误了，及时加了这个下面的包也不行 ：
java.lang.NoClassDefFoundError: org/apache/kafka/clients/producer/Producer
at org.apache.flink.streaming.connectors.kafka.table.KafkaDynamicSink.createKafkaProducer(KafkaDynamicSink.java:59)
at org.apache.flink.streaming.connectors.kafka.table.KafkaDynamicSinkBase.getSinkRuntimeProvider(KafkaDynamicSinkBase.java:84)
at org.apache.flink.table.planner.plan.nodes.common.CommonPhysicalSink.createSinkTransformation(CommonPhysicalSink.scala:68)
at org.apache.flink.table.planner.plan.nodes.physical.stream.StreamExecSink.translateToPlanInternal(StreamExecSink.scala:103)
at org.apache.flink.table.planner.plan.nodes.physical.stream.StreamExecSink.translateToPlanInternal(StreamExecSink.scala:43)
at org.apache.flink.table.planner.plan.nodes.exec.ExecNode$class.translateToPlan(ExecNode.scala:58)
at org.apache.flink.table.planner.plan.nodes.physical.stream.StreamExecSink.translateToPlan(StreamExecSink.scala:43)
at org.apache.flink.table.planner.delegation.StreamPlanner$$anonfun$translateToPlan$1.apply(StreamPlanner.scala:67)
at org.apache.flink.table.planner.delegation.StreamPlanner$$anonfun$translateToPlan$1.apply(StreamPlanner.scala:66)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.Iterator$class.foreach(Iterator.scala:891)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
at scala.collection.AbstractTraversable.map(Traversable.scala:104)
at org.apache.flink.table.planner.delegation.StreamPlanner.translateToPlan(StreamPlanner.scala:66)
at org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:166)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:1248)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:694)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeOperation(TableEnvironmentImpl.java:781)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeSql(TableEnvironmentImpl.java:684)
at flink_sql.ReadCsv2kafka.main(ReadCsv2kafka.java:59)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:288)
at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:198)
at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:149)
at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:699)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:232)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:916)
at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:992)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:992)
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.clients.producer.Producer
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 40 more
最后饶了一圈看官网，解决方案：
https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/table/connectors/kafka.html
只导入下面一个kafka相关性的包，pom里面 集群都不要跟kafka相关系的包就可以了。
