Thanks Igal the application runs perfectly now!

Le

On Mon, Jan 4, 2021 at 9:13 AM Igal Shilman <i...@ververica.com> wrote:

> Hi Le,
>
> Looking at your pom.xml, you are pointing to the wrong main method here:
>
> https://github.com/flint-stone/flink-statefun/blob/lx-base/statefun-examples/statefun-flink-datastream-example/pom.xml#L161
>
> You need to change it to your Example class, this should work.
>
>
> On Tue, Dec 29, 2020 at 5:06 AM Le Xu <sharonx...@gmail.com> wrote:
>
>> Hi Igal:
>>
>> Thanks for pointing that out. I was able to add the dependency in and
>> submit the job. For statefun-greeter example [1] I was able to submit the
>> job to the cluster . But when I try out the statefun-data-stream example
>> [2] I got the complaints saying that "There are no ingress defined" (I'm
>> adding the full trace to the end of the email). (I'm also adding my pom to
>> [3] and source file to [4].) From the example it appears the job uses the
>> Datastream as ingress [5] so ideally the job should be able to receive
>> events as trigger periodically (the job works fine with local environment).
>> I also came across this issue [6] but I don't think it helps solving my
>> problem. By any chance you'd know what's going on?
>>
>>
>> [1]
>> https://github.com/apache/flink-statefun/tree/master/statefun-examples/statefun-greeter-example
>> [2]
>> https://github.com/flint-stone/flink-statefun/blob/3aba506242300d69e95ef339afeac8e561dc7a2d/statefun-examples/statefun-flink-datastream-example/src/main/java/org/apache/flink/statefun/examples/datastream/Example.java#L82
>> [3]
>> https://github.com/flint-stone/flink-statefun/blob/lx-base/statefun-examples/statefun-flink-datastream-example/pom.xml
>> [4]
>> https://github.com/flint-stone/flink-statefun/blob/lx-base/statefun-examples/statefun-flink-datastream-example/src/main/java/org/apache/flink/statefun/examples/datastream/Example.java
>> [5]
>> https://github.com/flint-stone/flink-statefun/blob/3aba506242300d69e95ef339afeac8e561dc7a2d/statefun-examples/statefun-flink-datastream-example/src/main/java/org/apache/flink/statefun/examples/datastream/Example.java#L82
>> [6]
>> https://stackoverflow.com/questions/61578082/flink-statefun-co-located-functions-communication
>>
>> Error Trace:
>>  The program finished with the following exception:
>>
>> org.apache.flink.client.program.ProgramInvocationException: The main
>> method caused an error: There are no ingress defined.
>> at
>> org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:302)
>> 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
>> org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30)
>> at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:992)
>> Caused by: java.lang.IllegalStateException: There are no ingress defined.
>> at
>> org.apache.flink.statefun.flink.core.StatefulFunctionsUniverseValidator.validate(StatefulFunctionsUniverseValidator.java:25)
>> at
>> org.apache.flink.statefun.flink.core.StatefulFunctionsJob.main(StatefulFunctionsJob.java:76)
>> at
>> org.apache.flink.statefun.flink.core.StatefulFunctionsJob.main(StatefulFunctionsJob.java:52)
>> 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)
>> ... 8 more
>>
>>
>> Thanks for the help!
>>
>> Le
>>
>>
>> On Mon, Dec 28, 2020 at 6:24 AM Igal Shilman <i...@ververica.com> wrote:
>>
>>> Hi Le,
>>> Indeed you have added the dependency correctly. But the resulting
>>> artifact doesn't contain the dependencies. You need to create a jar with
>>> dependencies ( via [1] or [2])
>>> Take a look at [3] for a usage example of the maven shade plugin.
>>>
>>> I hope this helps,
>>> Igal.
>>>
>>> [1] https://maven.apache.org/plugins/maven-assembly-plugin/usage.html
>>> [2] https://maven.apache.org/plugins/maven-shade-plugin/
>>> [3]
>>> https://github.com/apache/flink-statefun/blob/master/statefun-flink/statefun-flink-distribution/pom.xml#L126,L199
>>>
>>> On Sat, Dec 26, 2020 at 11:52 PM Le Xu <sharonx...@gmail.com> wrote:
>>>
>>>> Thanks Igal! I might be missing something here. I did place
>>>> statefun-flink-distribution as part of my dependency in the pom (see
>>>> line 46 at [1]).  Is there a correct way to include the jar? I'm having the
>>>> same problem across many examples I'm running.
>>>>
>>>> [1]
>>>> https://gist.github.com/flint-stone/059f00832d8b99af433a446771f4f740#file-pom-xml-L64
>>>>
>>>> Thanks!
>>>>
>>>> Le
>>>>
>>>> On Sat, Dec 26, 2020 at 2:23 PM Igal Shilman <i...@ververica.com>
>>>> wrote:
>>>>
>>>>> Hello :-)
>>>>>
>>>>> It seems like in your attached pom you are not bundling the
>>>>> dependencies. Check out the docs here [1].
>>>>>
>>>>>
>>>>> [1]
>>>>> https://ci.apache.org/projects/flink/flink-statefun-docs-release-2.2/deployment-and-operations/packaging.html#flink-jar
>>>>>
>>>>>
>>>>> On Wed, Dec 23, 2020 at 3:07 AM Le Xu <sharonx...@gmail.com> wrote:
>>>>>
>>>>>> Hello!
>>>>>> I'm trying to deploy a Flink stateful function as a flink jar and I
>>>>>> followed the instruction here
>>>>>> <https://github.com/apache/flink-statefun>. However I'm getting the
>>>>>> error saying that the program entry point class was not found in the jar
>>>>>> even after I added the dependency in my pom.
>>>>>>
>>>>>> Running:
>>>>>>
>>>>>> bin/flink run -c 
>>>>>> org.apache.flink.statefun.flink.core.StatefulFunctionsJob 
>>>>>> flink-statefun/statefun-examples/statefun-greeter-example/target/statefun-greeter-example-2.3-SNAPSHOT.jar
>>>>>>
>>>>>> Producing the following error:
>>>>>>
>>>>>> org.apache.flink.client.program.ProgramInvocationException: The 
>>>>>> program's entry point class 
>>>>>> 'org.apache.flink.statefun.flink.core.StatefulFunctionsJob' was not 
>>>>>> found in the jar file.
>>>>>>     at 
>>>>>> org.apache.flink.client.program.PackagedProgram.loadMainClass(PackagedProgram.java:389)
>>>>>>     at 
>>>>>> org.apache.flink.client.program.PackagedProgram.<init>(PackagedProgram.java:139)
>>>>>>     at 
>>>>>> org.apache.flink.client.program.PackagedProgram.<init>(PackagedProgram.java:61)
>>>>>>     at 
>>>>>> org.apache.flink.client.program.PackagedProgram$Builder.build(PackagedProgram.java:557)
>>>>>>     at 
>>>>>> org.apache.flink.client.cli.CliFrontend.buildProgram(CliFrontend.java:726)
>>>>>>     at 
>>>>>> org.apache.flink.client.cli.CliFrontend.getPackagedProgram(CliFrontend.java:242)
>>>>>>     at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:223)
>>>>>>     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 
>>>>>> org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30)
>>>>>>     at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:992)
>>>>>> Caused by: java.lang.ClassNotFoundException: 
>>>>>> org.apache.flink.statefun.flink.core.StatefulFunctionsJob
>>>>>>     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:61)
>>>>>>     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)
>>>>>>     at java.lang.Class.forName0(Native Method)
>>>>>>     at java.lang.Class.forName(Class.java:348)
>>>>>>     at 
>>>>>> org.apache.flink.client.program.PackagedProgram.loadMainClass(PackagedProgram.java:387)
>>>>>>     ... 10 more
>>>>>> Here is my modified pom.xml 
>>>>>> <https://gist.github.com/flint-stone/059f00832d8b99af433a446771f4f740>. 
>>>>>> The original version of the pom file can be found here here 
>>>>>> <https://github.com/apache/flink-statefun/blob/master/statefun-examples/statefun-greeter-example/pom.xml>.
>>>>>>  It seems that adding the extra dependency of 
>>>>>> statefun-flink-distribution has no effect. Any suggestions?
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>> Le
>>>>>>
>>>>>>
>>>>>>
>>>>>>

Reply via email to