Hi, Flink的connector发现机制是通过java spi服务发现机制的，所以你的services下文件不包含Kafka相关的内容就不会加载到。
> 而且两种打包方式运行时是都能加载到KafkaFactory类文件的 只是类文件是没有用的，没地方引用到它。 你试试[1]中的方法？添加combine.children [1] https://github.com/apache/flink/blob/master/flink-table/flink-table-uber-blink/pom.xml#L104 Best, Jingsong Lee On Thu, Apr 23, 2020 at 10:37 AM 宇张 <zhan...@akulaku.com> wrote: > > 我这面采用shade打包方式进行了尝试，发现依然运行出错，运行错误日志与assembly打包产生的错误日志一致，就是上面提到的错误，而且shade和assembly打包产生的 > > META-INF/services/org.apache.flink.table.factories.TableFactory文件及里面的内容一致，而且两种打包方式运行时是都能加载到KafkaFactory类文件的，所以貌似不是打包导致的问题，而更像是bug > 下面是我maven插件配置： > > <!--<plugin>--> > <!--<groupId>org.apache.maven.plugins</groupId>--> > <!--<artifactId>maven-assembly-plugin</artifactId>--> > <!--<version>3.0.0</version>--> > <!--<configuration>--> > <!--<descriptorRefs>--> > <!--<descriptorRef>jar-with-dependencies</descriptorRef>--> > <!--</descriptorRefs>--> > <!--<archive>--> > <!--<manifest>--> > <!--<mainClass>com.akulaku.data.main.StreamMain</mainClass>--> > <!--</manifest>--> > <!--</archive>--> > <!--</configuration>--> > <!--<executions>--> > <!--<execution>--> > <!--<id>assemble-all</id>--> > <!--<phase>package</phase>--> > <!--<goals>--> > <!--<goal>single</goal>--> > <!--</goals>--> > <!--</execution>--> > <!--</executions>--> > <!--</plugin>--> > <!--<plugin>--> > <!--<groupId>org.apache.maven.plugins</groupId>--> > <!--<artifactId>maven-compiler-plugin</artifactId>--> > <!--<configuration>--> > <!--<source>8</source>--> > <!--<target>8</target>--> > <!--</configuration>--> > <!--</plugin>--> > <plugin> > <groupId>org.apache.maven.plugins</groupId> > <artifactId>maven-shade-plugin</artifactId> > <!--<version>3.2.3</version>--> > <executions> > <execution> > <phase>package</phase> > <goals> > <goal>shade</goal> > </goals> > <configuration> > <transformers> > <transformer > > > implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> > > <mainClass>com.akulaku.data.main.StreamMain</mainClass> > </transformer> > </transformers> > > <filters> > <filter> > <artifact>*:*</artifact> > <excludes> > <exclude>META-INF/*.SF</exclude> > <exclude>META-INF/*.DSA</exclude> > <exclude>META-INF/*.RSA</exclude> > </excludes> > </filter> > </filters> > </configuration> > </execution> > </executions> > </plugin> > > > On Wed, Apr 22, 2020 at 8:00 PM Jingsong Li <jingsongl...@gmail.com> > wrote: > > > Hi, > > > > > > > 如果org.apache.flink.table.factories.TableFactory里面没有KafkaTableSourceSinkFactory，那就是打包有问题。不清楚1.9的是怎么运行起来的，但是所有的jar的meta-inf-services文件都没有KafkaTableSourceSinkFactory，那也不应该能运行起来的。 > > > > 推荐打包方式用shade，shade会merge meta-inf-services的文件的。 > > > > Best, > > Jingsong Lee > > > > On Wed, Apr 22, 2020 at 7:31 PM 宇张 <zhan...@akulaku.com> wrote: > > > > > > > > > > > 》也确认下org.apache.flink.table.factories.TableFactory的内容，里面有没有KafkaTableSourceSinkFactory > > > > > > > > > 这个我看了一下我先前flink1.9的工程，应用程序Jar里面也是没有这个类的，但是程序运行加载是没问题的，这么对比貌似就不是maven打包的问题了。。。。。 > > > > > > On Wed, Apr 22, 2020 at 7:22 PM 宇张 <zhan...@akulaku.com> wrote: > > > > > > > > > > > > > > > > > 》也确认下org.apache.flink.table.factories.TableFactory的内容，里面有没有KafkaTableSourceSinkFactory > > > > 这个没有，只有org.apache.flink.formats.json.JsonRowFormatFactory > > > > 》拿到ClassLoader后看下能不能取到KafkaTableSourceSinkFactory的class > > > > 这个能拿到 > > > > > > > > 这么看来 貌似是 mvn打包有问题： > > > > mvn clean package -DskipTests > > > > 依赖范围为默认 > > > > > > > > > > > > On Wed, Apr 22, 2020 at 7:05 PM Jingsong Li <jingsongl...@gmail.com> > > > > wrote: > > > > > > > >> Hi, > > > >> > > > >> > > > >> > > > > > > 也确认下org.apache.flink.table.factories.TableFactory的内容，里面有没有KafkaTableSourceSinkFactory > > > >> > > > >> > > > 这个指的是打印当前线程的classloader嘛Thread.currentThread().getContextClassLoader() > > > >> 是的，拿到ClassLoader后看下能不能取到KafkaTableSourceSinkFactory的class > > > >> > > > >> Best, > > > >> Jingsong Lee > > > >> > > > >> On Wed, Apr 22, 2020 at 7:00 PM 宇张 <zhan...@akulaku.com> wrote: > > > >> > > > >> > 看下你打包的 UberJar 里有没一个内容包括 > > > >> > 1、下面这个文件是存在的 > > > >> > > > > org.apache.flink.streaming.connectors.kafka.KafkaTableSourceSinkFactory > > > >> > 的文件 > > > >> > META-INF/services/org.apache.flink.table.factories.TableFactory > > > >> > 2、flink版本1.10，Standalone模式启动服务（start-cluster.sh），flink > > > >> > run运行(/software/flink-1.10.0/bin/flink run -c > > com.data.main.StreamMain > > > >> > ./flink_1.10_test-1.0-jar-with-dependencies.jar) > > > >> > 3、再确认下"TableEnvironmentImpl.sqlQuery"调用时候的ThreadClassLoader？ > > > >> > > > 这个指的是打印当前线程的classloader嘛Thread.currentThread().getContextClassLoader() > > > >> > > > > >> > > > > >> > > > > >> > On Wed, Apr 22, 2020 at 6:00 PM Jingsong Li < > jingsongl...@gmail.com > > > > > > >> > wrote: > > > >> > > > > >> > > Hi, > > > >> > > > > > >> > > 先确认下你的Jar包里有没有 meta-inf-services的文件？里面确定有Kafka？ > > > >> > > > > > >> > > 如果有，再确认下"TableEnvironmentImpl.sqlQuery"调用时候的ThreadClassLoader? > > > >> > > 因为现在默认是通过ThreadClassLoader来获取Factory的。 > > > >> > > > > > >> > > Best, > > > >> > > Jingsong Lee > > > >> > > > > > >> > > On Wed, Apr 22, 2020 at 5:30 PM 宇张 <zhan...@akulaku.com> wrote: > > > >> > > > > > >> > > > 我这面使用Standalone模式运行Flink任务，但是Uber > > > >> > > > Jar里面的TableSourceFactory不能被加载，即使设置了classloader.resolve-order: > > > >> > > > child-first，只有放在lib目录才能加载得到，我看发布文档跟改了类加载策略，但是我不知道为什么Uber > > > >> > > Jar里面的Factory不能被加载 > > > >> > > > Flink Client respects Classloading Policy (FLINK-13749 > > > >> > > > <https://issues.apache.org/jira/browse/FLINK-13749>) > > > >> > > > < > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > https://ci.apache.org/projects/flink/flink-docs-release-1.10/release-notes/flink-1.10.html#flink-client-respects-classloading-policy-flink-13749 > > > >> > > > > > > > >> > > > > > > >> > > > The Flink client now also respects the configured classloading > > > >> policy, > > > >> > > > i.e., parent-first or child-first classloading. Previously, > only > > > >> > cluster > > > >> > > > components such as the job manager or task manager supported > > this > > > >> > > setting. > > > >> > > > This does mean that users might get different behaviour in > their > > > >> > > programs, > > > >> > > > in which case they should configure the classloading policy > > > >> explicitly > > > >> > to > > > >> > > > use parent-first classloading, which was the previous > > (hard-coded) > > > >> > > > behaviour. > > > >> > > > > > > >> > > > 异常信息： > > > >> > > > > > > >> > > > rg.apache.flink.client.program.ProgramInvocationException: > The > > > >> main > > > >> > > > method caused an error: findAndCreateTableSource failed. > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:335) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:205) > > > >> > > > at > > > >> > > > > > >> > > org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:138) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:664) > > > >> > > > at > > > org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:213) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:895) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:968) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30) > > > >> > > > at > > > >> org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:968) > > > >> > > > Caused by: org.apache.flink.table.api.TableException: > > > >> > > > findAndCreateTableSource failed. > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.factories.TableFactoryUtil.findAndCreateTableSource(TableFactoryUtil.java:55) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.factories.TableFactoryUtil.findAndCreateTableSource(TableFactoryUtil.java:92) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.plan.schema.CatalogSourceTable.findAndCreateTableSource(CatalogSourceTable.scala:156) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.plan.schema.CatalogSourceTable.tableSource$lzycompute(CatalogSourceTable.scala:65) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.plan.schema.CatalogSourceTable.tableSource(CatalogSourceTable.scala:65) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.plan.schema.CatalogSourceTable.toRel(CatalogSourceTable.scala:76) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.toRel(SqlToRelConverter.java:3328) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertIdentifier(SqlToRelConverter.java:2357) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2051) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2005) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2083) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:646) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:627) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3181) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:563) > > > >> > > > at > org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > $apache$flink$table$planner$calcite$FlinkPlannerImpl$$rel(FlinkPlannerImpl.scala:148) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:135) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.operations.SqlToOperationConverter.toQueryOperation(SqlToOperationConverter.java:522) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlQuery(SqlToOperationConverter.java:436) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:154) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:66) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:464) > > > >> > > > at com.akulaku.data.main.StreamMain.main(StreamMain.java:87) > > > >> > > > 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:321) > > > >> > > > ... 8 more > > > >> > > > Caused by: > > > >> org.apache.flink.table.api.NoMatchingTableFactoryException: > > > >> > > > Could not find a suitable table factory for > > > >> > > > 'org.apache.flink.table.factories.TableSourceFactory' in > > > >> > > > the classpath. > > > >> > > > > > > >> > > > Reason: Required context properties mismatch. > > > >> > > > > > > >> > > > The matching candidates: > > > >> > > > org.apache.flink.table.sources.CsvAppendTableSourceFactory > > > >> > > > Mismatched properties: > > > >> > > > 'connector.type' expects 'filesystem', but is 'kafka' > > > >> > > > 'format.type' expects 'csv', but is 'json' > > > >> > > > > > > >> > > > The following properties are requested: > > > >> > > > connector.properties.bootstrap.servers=centos:9092 > > > >> > > > connector.properties.zookeeper.connect=centos:2181 > > > >> > > > connector.startup-mode=earliest-offset > > > >> > > > connector.topic=test > > > >> > > > connector.type=kafka > > > >> > > > connector.version=0.11 > > > >> > > > format.type=json > > > >> > > > schema.0.data-type=VARCHAR(2147483647) > > > >> > > > schema.0.name=bus > > > >> > > > schema.1.data-type=BIGINT > > > >> > > > schema.1.name=ts > > > >> > > > schema.2.data-type=VARCHAR(2147483647) > > > >> > > > schema.2.name=type > > > >> > > > schema.3.data-type=BIGINT > > > >> > > > schema.3.name=putRowNum > > > >> > > > schema.4.data-type=TIMESTAMP(3) NOT NULL > > > >> > > > schema.4.expr=PROCTIME() > > > >> > > > schema.4.name=proctime > > > >> > > > update-mode=append > > > >> > > > > > > >> > > > The following factories have been considered: > > > >> > > > org.apache.flink.table.sources.CsvBatchTableSourceFactory > > > >> > > > org.apache.flink.table.sources.CsvAppendTableSourceFactory > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.factories.TableFactoryService.filterByContext(TableFactoryService.java:322) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.factories.TableFactoryService.filter(TableFactoryService.java:190) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.factories.TableFactoryService.findSingleInternal(TableFactoryService.java:143) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.factories.TableFactoryService.find(TableFactoryService.java:96) > > > >> > > > at > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > org.apache.flink.table.factories.TableFactoryUtil.findAndCreateTableSource(TableFactoryUtil.java:52) > > > >> > > > > > > >> > > > > > >> > > > > > >> > > -- > > > >> > > Best, Jingsong Lee > > > >> > > > > > >> > > > > >> > > > >> > > > >> -- > > > >> Best, Jingsong Lee > > > >> > > > > > > > > > > > > > -- > > Best, Jingsong Lee > > > -- Best, Jingsong Lee
