ruanwenjun edited a comment on issue #1463:
URL:
https://github.com/apache/incubator-seatunnel/issues/1463#issuecomment-1066303445
I test on 2.1.0, this happened due to miss `flink-connector-jdbc_xx`.
```java
java.lang.NoClassDefFoundError:
org/apache/flink/connector/jdbc/JdbcInputFormat
at
org.apache.seatunnel.flink.source.JdbcSource.prepare(JdbcSource.java:163)
at
org.apache.seatunnel.flink.source.JdbcSource.prepare(JdbcSource.java:60)
at org.apache.seatunnel.Seatunnel.lambda$prepare$0(Seatunnel.java:160)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at org.apache.seatunnel.Seatunnel.prepare(Seatunnel.java:160)
at org.apache.seatunnel.Seatunnel.entryPoint(Seatunnel.java:104)
at org.apache.seatunnel.Seatunnel.run(Seatunnel.java:65)
at org.apache.seatunnel.SeatunnelFlink.main(SeatunnelFlink.java:29)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:355)
at
org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:222)
at
org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114)
at
org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:812)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:246)
at
org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1054)
at
org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132)
at
org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132)
Caused by: java.lang.ClassNotFoundException:
org.apache.flink.connector.jdbc.JdbcInputFormat
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at
org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:64)
at
org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:65)
at
org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:48)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 21 more
```
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