I'm running Flink (1.12.0) on a Kubernetes standalone deployment
(Kubernetes Cluster Session Mode).
What's the link to Flink's JIRA?
On Fri, Jan 15, 2021 at 12:19 PM Timo Walther <twal...@apache.org
<mailto:twal...@apache.org>> wrote:
maybe Godfrey in CC knows more?
On 15.01.21 18:10, Timo Walther wrote:
> How are you running the Flink cluster? What is your deplyment?
>
> The exception clearly indicates that you found a bug. Could you
open an
> ticket in Flink's JIRA? We need details how to reproduce it.
>
> Thanks,
> Timo
>
>
> On 15.01.21 17:57, Robert Cullen wrote:
>> Timo,
>>
>> Here it is:
>>
>> |2021-01-15 16:52:00,628 WARN
>> org.apache.flink.runtime.webmonitor.handlers.JarRunHandler [] -
>> Configuring the job submission via query parameters is deprecated.
>> Please migrate to submitting a JSON request instead. 2021-01-15
>> 16:52:00,640 INFO org.apache.flink.client.ClientUtils [] - Starting
>> program (detached: true) 2021-01-15 16:52:00,678 INFO
>>
org.apache.flink.client.deployment.application.executors.EmbeddedExecutor
>> [] - Job 84c9f12fe943bc7f32ee637666ed3bc1 is submitted. 2021-01-15
>> 16:52:00,678 INFO
>>
org.apache.flink.client.deployment.application.executors.EmbeddedExecutor
>> [] - Submitting Job with JobId=84c9f12fe943bc7f32ee637666ed3bc1.
>> 2021-01-15 16:52:00,830 INFO
>> org.apache.flink.runtime.dispatcher.StandaloneDispatcher [] -
Received
>> JobGraph submission 84c9f12fe943bc7f32ee637666ed3bc1 (collect).
>> 2021-01-15 16:52:00,830 INFO
>> org.apache.flink.runtime.dispatcher.StandaloneDispatcher [] -
>> Submitting job 84c9f12fe943bc7f32ee637666ed3bc1 (collect).
2021-01-15
>> 16:52:00,831 INFO
org.apache.flink.runtime.rpc.akka.AkkaRpcService []
>> - Starting RPC endpoint for
>> org.apache.flink.runtime.jobmaster.JobMaster at
>> akka://flink/user/rpc/jobmanager_68 . 2021-01-15 16:52:00,831 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Initializing job
>> collect (84c9f12fe943bc7f32ee637666ed3bc1). 2021-01-15 16:52:00,832
>> INFO org.apache.flink.runtime.jobmaster.JobMaster [] - Using
restart
>> back off time strategy NoRestartBackoffTimeStrategy for collect
>> (84c9f12fe943bc7f32ee637666ed3bc1). 2021-01-15 16:52:00,832 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Running
>> initialization on master for job collect
>> (84c9f12fe943bc7f32ee637666ed3bc1). 2021-01-15 16:52:00,836 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Successfully ran
>> initialization on master in 3 ms. 2021-01-15 16:52:00,836 INFO
>>
org.apache.flink.runtime.scheduler.adapter.DefaultExecutionTopology []
>> - Built 1 pipelined regions in 0 ms 2021-01-15 16:52:00,836 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Using job/cluster
>> config to configure application-defined state backend: File State
>> Backend (checkpoints: 's3://flink/checkpoints', savepoints:
>> 's3://flink/savepoints', asynchronous: TRUE, fileStateThreshold:
>> 20480) 2021-01-15 16:52:00,836 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Using
>> application-defined state backend: File State Backend (checkpoints:
>> 's3://flink/checkpoints', savepoints: 's3://flink/savepoints',
>> asynchronous: TRUE, fileStateThreshold: 20480) 2021-01-15
16:52:06,865
>> INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator
[] - No
>> checkpoint found during restore. 2021-01-15 16:52:06,866 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Using failover
>> strategy
>>
org.apache.flink.runtime.executiongraph.failover.flip1.RestartPipelinedRegionFailoverStrategy@39b9ad24
>> for collect (84c9f12fe943bc7f32ee637666ed3bc1). 2021-01-15
>> 16:52:06,866 INFO
>> org.apache.flink.runtime.jobmaster.JobManagerRunnerImpl [] -
>> JobManager runner for job collect
(84c9f12fe943bc7f32ee637666ed3bc1)
>> was granted leadership with session id
>> 00000000-0000-0000-0000-000000000000 at
>> akka.tcp://flink@flink-jobmanager:6123/user/rpc/jobmanager_68.
>> 2021-01-15 16:52:06,866 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Starting
execution
>> of job collect (84c9f12fe943bc7f32ee637666ed3bc1) under job
master id
>> 00000000000000000000000000000000. 2021-01-15 16:52:06,866 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Starting
scheduling
>> with scheduling strategy
>>
[org.apache.flink.runtime.scheduler.strategy.PipelinedRegionSchedulingStrategy]
>> 2021-01-15 16:52:06,866 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Job
>> collect (84c9f12fe943bc7f32ee637666ed3bc1) switched from state
CREATED
>> to RUNNING. 2021-01-15 16:52:06,866 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source:
>> JdbcTableSource(msg_id, hostname, last_updated) ->
>>
SourceConversion(table=[default_catalog.default_database.log_counts,
>> source: [JdbcTableSource(msg_id, hostname, last_updated)]],
>> fields=[msg_id, hostname, last_updated]) ->
>> WatermarkAssigner(rowtime=[last_updated],
watermark=[(last_updated -
>> 5000:INTERVAL SECOND)]) -> Calc(select=[msg_id, hostname,
>> last_updated], where=[(hostname <> _UTF-16LE'')]) (1/1)
>> (d22b3ac56f07e182ba5b74d68fa74fb1) switched from CREATED to
SCHEDULED.
>> 2021-01-15 16:52:06,866 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] -
>> GroupWindowAggregate(groupBy=[msg_id, hostname],
>> window=[TumblingGroupWindow('w, last_updated, 300000)],
>> select=[msg_id, hostname, COUNT(msg_id) AS EXPR$0]) ->
>> Calc(select=[msg_id, hostname, EXPR$0 AS cnt]) ->
>> SinkConversionToTuple2 -> Sink: Select table sink (1/1)
>> (09cee06206ad355b327cb8487773cd39) switched from CREATED to
SCHEDULED.
>> 2021-01-15 16:52:06,866 INFO
>> org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl [] -
Cannot
>> serve slot request, no ResourceManager connected. Adding as pending
>> request [SlotRequestId{b3f1b6b4eaab427305ec15f92a39531e}]
2021-01-15
>> 16:52:06,866 INFO org.apache.flink.runtime.jobmaster.JobMaster [] -
>> Connecting to ResourceManager
>>
akka.tcp://flink@flink-jobmanager:6123/user/rpc/resourcemanager_*(00000000000000000000000000000000)
>> 2021-01-15 16:52:06,867 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Resolved
>> ResourceManager address, beginning registration 2021-01-15
>> 16:52:06,867 INFO
>>
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager []
>> - Registering job manager
>>
00000000000000000000000000000...@akka.tcp://flink@flink-jobmanager:6123/user/rpc/jobmanager_68
>> for job 84c9f12fe943bc7f32ee637666ed3bc1. 2021-01-15
16:52:06,867 INFO
>>
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager []
>> - Registered job manager
>>
00000000000000000000000000000...@akka.tcp://flink@flink-jobmanager:6123/user/rpc/jobmanager_68
>> for job 84c9f12fe943bc7f32ee637666ed3bc1. 2021-01-15
16:52:06,867 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - JobManager
>> successfully registered at ResourceManager, leader id:
>> 00000000000000000000000000000000. 2021-01-15 16:52:06,867 INFO
>> org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl [] -
>> Requesting new slot
[SlotRequestId{b3f1b6b4eaab427305ec15f92a39531e}]
>> and profile ResourceProfile{UNKNOWN} with allocation id
>> b0559997a428b1d31d9e57d6532e026b from resource manager. 2021-01-15
>> 16:52:06,868 INFO
>>
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager []
>> - Request slot with profile ResourceProfile{UNKNOWN} for job
>> 84c9f12fe943bc7f32ee637666ed3bc1 with allocation id
>> b0559997a428b1d31d9e57d6532e026b. 2021-01-15 16:52:06,874 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source:
>> JdbcTableSource(msg_id, hostname, last_updated) ->
>>
SourceConversion(table=[default_catalog.default_database.log_counts,
>> source: [JdbcTableSource(msg_id, hostname, last_updated)]],
>> fields=[msg_id, hostname, last_updated]) ->
>> WatermarkAssigner(rowtime=[last_updated],
watermark=[(last_updated -
>> 5000:INTERVAL SECOND)]) -> Calc(select=[msg_id, hostname,
>> last_updated], where=[(hostname <> _UTF-16LE'')]) (1/1)
>> (d22b3ac56f07e182ba5b74d68fa74fb1) switched from SCHEDULED to
>> DEPLOYING. 2021-01-15 16:52:06,882 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] -
Deploying
>> Source: JdbcTableSource(msg_id, hostname, last_updated) ->
>>
SourceConversion(table=[default_catalog.default_database.log_counts,
>> source: [JdbcTableSource(msg_id, hostname, last_updated)]],
>> fields=[msg_id, hostname, last_updated]) ->
>> WatermarkAssigner(rowtime=[last_updated],
watermark=[(last_updated -
>> 5000:INTERVAL SECOND)]) -> Calc(select=[msg_id, hostname,
>> last_updated], where=[(hostname <> _UTF-16LE'')]) (1/1) (attempt
#0)
>> with attempt id d22b3ac56f07e182ba5b74d68fa74fb1 to
>> 10.42.1.148:6122-9b9553 @ 10.42.1.148 (dataPort=40391) with
allocation
>> id b0559997a428b1d31d9e57d6532e026b 2021-01-15 16:52:06,883 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] -
>> GroupWindowAggregate(groupBy=[msg_id, hostname],
>> window=[TumblingGroupWindow('w, last_updated, 300000)],
>> select=[msg_id, hostname, COUNT(msg_id) AS EXPR$0]) ->
>> Calc(select=[msg_id, hostname, EXPR$0 AS cnt]) ->
>> SinkConversionToTuple2 -> Sink: Select table sink (1/1)
>> (09cee06206ad355b327cb8487773cd39) switched from SCHEDULED to
>> DEPLOYING. 2021-01-15 16:52:06,883 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] -
Deploying
>> GroupWindowAggregate(groupBy=[msg_id, hostname],
>> window=[TumblingGroupWindow('w, last_updated, 300000)],
>> select=[msg_id, hostname, COUNT(msg_id) AS EXPR$0]) ->
>> Calc(select=[msg_id, hostname, EXPR$0 AS cnt]) ->
>> SinkConversionToTuple2 -> Sink: Select table sink (1/1) (attempt
#0)
>> with attempt id 09cee06206ad355b327cb8487773cd39 to
>> 10.42.1.148:6122-9b9553 @ 10.42.1.148 (dataPort=40391) with
allocation
>> id b0559997a428b1d31d9e57d6532e026b 2021-01-15 16:52:07,038 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] -
>> GroupWindowAggregate(groupBy=[msg_id, hostname],
>> window=[TumblingGroupWindow('w, last_updated, 300000)],
>> select=[msg_id, hostname, COUNT(msg_id) AS EXPR$0]) ->
>> Calc(select=[msg_id, hostname, EXPR$0 AS cnt]) ->
>> SinkConversionToTuple2 -> Sink: Select table sink (1/1)
>> (09cee06206ad355b327cb8487773cd39) switched from DEPLOYING to
RUNNING.
>> 2021-01-15 16:52:07,038 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source:
>> JdbcTableSource(msg_id, hostname, last_updated) ->
>>
SourceConversion(table=[default_catalog.default_database.log_counts,
>> source: [JdbcTableSource(msg_id, hostname, last_updated)]],
>> fields=[msg_id, hostname, last_updated]) ->
>> WatermarkAssigner(rowtime=[last_updated],
watermark=[(last_updated -
>> 5000:INTERVAL SECOND)]) -> Calc(select=[msg_id, hostname,
>> last_updated], where=[(hostname <> _UTF-16LE'')]) (1/1)
>> (d22b3ac56f07e182ba5b74d68fa74fb1) switched from DEPLOYING to
RUNNING.
>> 2021-01-15 16:52:07,057 INFO
>>
org.apache.flink.streaming.api.operators.collect.CollectSinkOperatorCoordinator
>> [] - Received sink socket server address: /10.42.1.148:39303
<http://10.42.1.148:39303>
>> <http://10.42.1.148:39303 <http://10.42.1.148:39303>> 2021-01-15
16:52:07,060 WARN
>> org.apache.flink.runtime.taskmanager.TaskManagerLocation [] - No
>> hostname could be resolved for the IP address 10.42.1.148, using IP
>> address as host name. Local input split assignment (such as for
HDFS
>> files) may be impacted. 2021-01-15 16:52:07,988 WARN
>>
org.apache.flink.client.deployment.application.DetachedApplicationRunner
>> [] - Could not execute application:
>> org.apache.flink.client.program.ProgramInvocationException: The
main
>> method caused an error: Failed to execute sql at
>>
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:330)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:198)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.client.deployment.application.DetachedApplicationRunner.tryExecuteJobs(DetachedApplicationRunner.java:78)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.client.deployment.application.DetachedApplicationRunner.run(DetachedApplicationRunner.java:67)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.runtime.webmonitor.handlers.JarRunHandler.lambda$handleRequest$0(JarRunHandler.java:100)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
>> [?:1.8.0_275] at
>>
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[?:1.8.0_275]
>> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>> [?:1.8.0_275] at
>>
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
>> [?:1.8.0_275] at
>>
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>> [?:1.8.0_275] at
>>
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>> [?:1.8.0_275] at
>>
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>> [?:1.8.0_275] at java.lang.Thread.run(Thread.java:748)
[?:1.8.0_275]
>> Caused by: org.apache.flink.table.api.TableException: Failed to
>> execute sql at
>>
org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:719)
>> ~[flink-table-blink_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.table.api.internal.TableImpl.execute(TableImpl.java:570)
>> ~[flink-table-blink_2.12-1.12.0.jar:1.12.0] at
>>
io.cmdaa.streaming.java.jdbc.TableConsumer.main(TableConsumer.java:192)
~[?:?]
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> ~[?:1.8.0_275] at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>> ~[?:1.8.0_275] at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>> ~[?:1.8.0_275] at java.lang.reflect.Method.invoke(Method.java:498)
>> ~[?:1.8.0_275] at
>>
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:316)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] ... 13 more Caused by:
>> java.lang.IllegalArgumentException: Job client must be a
>> CoordinationRequestGateway. This is a bug. at
>>
org.apache.flink.util.Preconditions.checkArgument(Preconditions.java:142)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.streaming.api.operators.collect.CollectResultFetcher.setJobClient(CollectResultFetcher.java:95)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.streaming.api.operators.collect.CollectResultIterator.setJobClient(CollectResultIterator.java:98)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.table.planner.sinks.SelectTableSinkBase$1.setJobClient(SelectTableSinkBase.java:93)
>> ~[flink-table-blink_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:709)
>> ~[flink-table-blink_2.12-1.12.0.jar:1.12.0] at
>>
org.apache.flink.table.api.internal.TableImpl.execute(TableImpl.java:570)
>> ~[flink-table-blink_2.12-1.12.0.jar:1.12.0] at
>>
io.cmdaa.streaming.java.jdbc.TableConsumer.main(TableConsumer.java:192)
~[?:?]
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> ~[?:1.8.0_275] at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>> ~[?:1.8.0_275] at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>> ~[?:1.8.0_275] at java.lang.reflect.Method.invoke(Method.java:498)
>> ~[?:1.8.0_275] at
>>
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:316)
>> ~[flink-dist_2.12-1.12.0.jar:1.12.0] ... 13 more 2021-01-15
>> 16:52:07,989 ERROR
>> org.apache.flink.runtime.webmonitor.handlers.JarRunHandler [] -
>> Exception occurred in REST handler: Could not execute application.
>> 2021-01-15 16:52:08,462 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Source:
>> JdbcTableSource(msg_id, hostname, last_updated) ->
>>
SourceConversion(table=[default_catalog.default_database.log_counts,
>> source: [JdbcTableSource(msg_id, hostname, last_updated)]],
>> fields=[msg_id, hostname, last_updated]) ->
>> WatermarkAssigner(rowtime=[last_updated],
watermark=[(last_updated -
>> 5000:INTERVAL SECOND)]) -> Calc(select=[msg_id, hostname,
>> last_updated], where=[(hostname <> _UTF-16LE'')]) (1/1)
>> (d22b3ac56f07e182ba5b74d68fa74fb1) switched from RUNNING to
FINISHED.
>> 2021-01-15 16:52:08,465 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] -
>> GroupWindowAggregate(groupBy=[msg_id, hostname],
>> window=[TumblingGroupWindow('w, last_updated, 300000)],
>> select=[msg_id, hostname, COUNT(msg_id) AS EXPR$0]) ->
>> Calc(select=[msg_id, hostname, EXPR$0 AS cnt]) ->
>> SinkConversionToTuple2 -> Sink: Select table sink (1/1)
>> (09cee06206ad355b327cb8487773cd39) switched from RUNNING to
FINISHED.
>> 2021-01-15 16:52:08,465 INFO
>> org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Job
>> collect (84c9f12fe943bc7f32ee637666ed3bc1) switched from state
RUNNING
>> to FINISHED. 2021-01-15 16:52:08,466 INFO
>> org.apache.flink.runtime.checkpoint.CheckpointCoordinator [] -
>> Stopping checkpoint coordinator for job
>> 84c9f12fe943bc7f32ee637666ed3bc1. 2021-01-15 16:52:08,466 INFO
>>
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore
>> [] - Shutting down 2021-01-15 16:52:08,466 INFO
>> org.apache.flink.runtime.dispatcher.StandaloneDispatcher [] - Job
>> 84c9f12fe943bc7f32ee637666ed3bc1 reached globally terminal state
>> FINISHED. 2021-01-15 16:52:08,467 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Stopping the
>> JobMaster for job collect(84c9f12fe943bc7f32ee637666ed3bc1).
>> 2021-01-15 16:52:08,467 INFO
>> org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl [] -
>> Suspending SlotPool. 2021-01-15 16:52:08,468 INFO
>> org.apache.flink.runtime.jobmaster.JobMaster [] - Close
>> ResourceManager connection a76a3c5321498f13d0552421928c6062:
Stopping
>> JobMaster for job collect(84c9f12fe943bc7f32ee637666ed3bc1)..
>> 2021-01-15 16:52:08,468 INFO
>> org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl [] -
Stopping
>> SlotPool. 2021-01-15 16:52:08,468 INFO
>>
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager []
>> - Disconnect job manager
>>
00000000000000000000000000000...@akka.tcp://flink@flink-jobmanager:6123/user/rpc/jobmanager_68
>> for job 84c9f12fe943bc7f32ee637666ed3bc1 from the resource
manager. |
>>
>> On Fri, Jan 15, 2021 at 11:32 AM Timo Walther twal...@apache.org
<mailto:twal...@apache.org>
>> <http://mailto:twal...@apache.org
<http://mailto:twal...@apache.org>> wrote:
>>
>> Hi Robert,
>>
>> could you send us the error/stacktrace that is printed?
>>
>> An example how it should work is shown here:
>>
>>
>>
https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/UpdatingTopCityExample.java
<https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/UpdatingTopCityExample.java>
>>
>>
>>
<https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/UpdatingTopCityExample.java
<https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/UpdatingTopCityExample.java>>
>>
>>
>>
>>
https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/GettingStartedExample.java
<https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/GettingStartedExample.java>
>>
>>
>>
<https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/GettingStartedExample.java
<https://github.com/apache/flink/blob/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics/GettingStartedExample.java>>
>>
>>
>> Regards,
>> Timo
>>
>> On 15.01.21 16:46, Robert Cullen wrote:
>> > I’m using a query to gather results:
>> >
>> > |Table log_counts = tEnv.from("log_counts")
>> > .filter($("hostname").isNotNull()
>> .and($("hostname").isNotEqual("")))
>> > .window(Tumble .over(lit(30).seconds())
>> .on($("last_updated")).as("w"))
>> > .groupBy($("msg_id"), $("hostname"), $("w"))
.select($("msg_id"),
>> > $("hostname"), $("msg_id").count().as("cnt")); |
>> >
>> > I’d like to iterate over the results but using this
causes an
>> error:
>> >
>> > |log_counts.execute().collect();
>> > |
>> >
>> > Has there been an update in how to traverse results?
>> >
>> >
>> > Robert Cullen
>> > 240-475-4490
>> >
>>
>> --
>> Robert Cullen
>> 240-475-4490
>
--
Robert Cullen
240-475-4490
