CDAP setup on Kubernetes Error in Preview
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Khurram Noor
Oct 26, 2022, 5:55:56 AM10/26/22
to CDAP User
Hi Team
I am trying to deploy cdap on Kubernetes but unable to successfully run the preview feature of CDAP, i am attaching log of preview pod and app_fabric pod , noticed some errors in it,
it would be nice if someone help to resolve the issue,
Pods details
NAME READY STATUS RESTARTS AGE
cdap-cdap-appfabric-0 1/1 Running 0 141m
cdap-cdap-logs-0 1/1 Running 0 141m
cdap-cdap-messaging-0 1/1 Running 0 141m
cdap-cdap-metadata-8656c676d7-572s8 1/1 Running 0 141m
cdap-cdap-metrics-0 1/1 Running 0 141m
cdap-cdap-preview-0 1/1 Running 0 141m
cdap-cdap-router-7d6fc94c95-ts5qd 1/1 Running 0 141m
cdap-cdap-runtime-0 1/1 Running 0 141m
cdap-cdap-service-system-dataprep-service-60135721-54fe-11kh57v 1/1 Running 0 139m
cdap-cdap-service-system-pipeline-studio-6029c552-54fe-11ekwwrt 1/1 Running 0 139m
cdap-cdap-spark-default-test-datastreamssparkstreaming-21dmsbjj 1/1 Running 0 33s
cdap-cdap-userinterface-764b7886b-zvtx2 1/1 Running 0 141m
es-cluster-es-default-0 1/1 Running 0 3h1m
hadoop 1/1 Running 0 167m
postgres-postgresql-0 1/1 Running 0 3h5m
i have tried with the flag in config
preview.runner.artifact.localizer.enabled: "true" but with no effect ,
Regards
Khurram Shahzad
I am trying to deploy cdap on Kubernetes but unable to successfully run the preview feature of CDAP, i am attaching log of preview pod and app_fabric pod , noticed some errors in it,
it would be nice if someone help to resolve the issue,
Pods details
NAME READY STATUS RESTARTS AGE
cdap-cdap-appfabric-0 1/1 Running 0 141m
cdap-cdap-logs-0 1/1 Running 0 141m
cdap-cdap-messaging-0 1/1 Running 0 141m
cdap-cdap-metadata-8656c676d7-572s8 1/1 Running 0 141m
cdap-cdap-metrics-0 1/1 Running 0 141m
cdap-cdap-preview-0 1/1 Running 0 141m
cdap-cdap-router-7d6fc94c95-ts5qd 1/1 Running 0 141m
cdap-cdap-runtime-0 1/1 Running 0 141m
cdap-cdap-service-system-dataprep-service-60135721-54fe-11kh57v 1/1 Running 0 139m
cdap-cdap-service-system-pipeline-studio-6029c552-54fe-11ekwwrt 1/1 Running 0 139m
cdap-cdap-spark-default-test-datastreamssparkstreaming-21dmsbjj 1/1 Running 0 33s
cdap-cdap-userinterface-764b7886b-zvtx2 1/1 Running 0 141m
es-cluster-es-default-0 1/1 Running 0 3h1m
hadoop 1/1 Running 0 167m
postgres-postgresql-0 1/1 Running 0 3h5m
i have tried with the flag in config
preview.runner.artifact.localizer.enabled: "true" but with no effect ,
Regards
Khurram Shahzad
Khurram Noor
Nov 3, 2022, 3:41:32 AM11/3/22
to CDAP User
Hi Team
In Preview POD i am getting the following error
2022-11-03 07:26:11,981 - DEBUG [PreviewRunnerService:i.c.c.i.a.w.s.ArtifactLocalizerClient@98] - Sending request to http://localhost:11021/v3Internal/worker/artifact/namespaces/system/artifacts/cdap-data-pipeline/versions/6.9.0-SNAPSHOT?unpack=false
2022-11-03 07:26:11,982 - DEBUG [PreviewRunnerService:i.c.c.i.a.p.DefaultPreviewRunner@296] - Setting preview status for program:default.ca10e071-5b48-11ed-8ac1-be1edaf9bb0a.-SNAPSHOT.workflow.DataPipelineWorkflow to DEPLOY_FAILED
2022-11-03 07:26:11,989 - ERROR [PreviewRunnerService:i.c.c.i.a.p.PreviewRunnerService@123] - Failed to execute preview
java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
at sun.net.www.http.HttpClient.New(HttpClient.java:339)
at sun.net.www.http.HttpClient.New(HttpClient.java:357)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1228)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1162)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:990)
at io.cdap.common.http.HttpRequests.execute(HttpRequests.java:65)
at io.cdap.common.http.HttpRequests.execute(HttpRequests.java:126)
at io.cdap.cdap.internal.app.worker.sidecar.ArtifactLocalizerClient.sendRequest(ArtifactLocalizerClient.java:103)
at io.cdap.cdap.internal.app.worker.sidecar.ArtifactLocalizerClient.getArtifactLocation(ArtifactLocalizerClient.java:71)
at io.cdap.cdap.internal.app.runtime.artifact.RemoteArtifactRepositoryReaderWithLocalization.getArtifactLocation(RemoteArtifactRepositoryReaderWithLocalization.java:50)
at io.cdap.cdap.internal.app.runtime.artifact.RemoteArtifactRepositoryReader.getArtifactDetails(RemoteArtifactRepositoryReader.java:166)
at io.cdap.cdap.internal.app.runtime.artifact.RemoteArtifactRepository.getArtifactDetails(RemoteArtifactRepository.java:202)
at io.cdap.cdap.internal.app.services.ApplicationLifecycleService.deployApp(ApplicationLifecycleService.java:864)
at io.cdap.cdap.internal.app.preview.DefaultPreviewRunner.startPreview(DefaultPreviewRunner.java:190)
at io.cdap.cdap.internal.app.preview.PreviewRunnerService.run(PreviewRunnerService.java:105)
at com.google.common.util.concurrent.AbstractExecutionThreadService$1$1.run(AbstractExecutionThreadService.java:52)
at java.lang.Thread.run(Thread.java:750)
2022-11-03 07:26:13,169 - WARN [PreviewDataSubscriberService:i.c.c.c.s.AbstractRetryableScheduledService@207] - Failed to execute task for scheduled service PreviewDataSubscriberService
java.lang.NullPointerException: null
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.emitRunTimeMetric(PreviewDataSubscriberService.java:186)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.access$300(PreviewDataSubscriberService.java:60)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService$PreviewStatusWriter.processMessage(PreviewDataSubscriberService.java:245)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.processMessages(PreviewDataSubscriberService.java:153)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.lambda$processMessages$0(AbstractMessagingSubscriberService.java:146)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.lambda$run$1(TransactionRunners.java:165)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.lambda$run$0(NoSqlTransactionRunner.java:67)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.finishExecute(NoSQLTransactionals.java:71)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.execute(NoSQLTransactionals.java:50)
at io.cdap.cdap.data2.transaction.Transactions$2.executeInternal(Transactions.java:261)
at io.cdap.cdap.data2.transaction.Transactions$2.execute(Transactions.java:248)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.run(NoSqlTransactionRunner.java:66)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.run(TransactionRunners.java:165)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.processMessages(AbstractMessagingSubscriberService.java:142)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.fetchAndProcessMessages(AbstractMessagingPollingService.java:206)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.runTask(AbstractMessagingPollingService.java:154)
at io.cdap.cdap.common.service.AbstractRetryableScheduledService.runOneIteration(AbstractRetryableScheduledService.java:162)
at com.google.common.util.concurrent.AbstractScheduledService$1$1.run(AbstractScheduledService.java:170)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:355)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:321)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
2022-11-03 07:26:13,170 - WARN [PreviewDataSubscriberService:i.c.c.m.s.AbstractMessagingPollingService@141] - Failed to get and process notifications. Will retry in next run
java.lang.NullPointerException: null
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.emitRunTimeMetric(PreviewDataSubscriberService.java:186)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.access$300(PreviewDataSubscriberService.java:60)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService$PreviewStatusWriter.processMessage(PreviewDataSubscriberService.java:245)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.processMessages(PreviewDataSubscriberService.java:153)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.lambda$processMessages$0(AbstractMessagingSubscriberService.java:146)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.lambda$run$1(TransactionRunners.java:165)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.lambda$run$0(NoSqlTransactionRunner.java:67)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.finishExecute(NoSQLTransactionals.java:71)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.execute(NoSQLTransactionals.java:50)
at io.cdap.cdap.data2.transaction.Transactions$2.executeInternal(Transactions.java:261)
at io.cdap.cdap.data2.transaction.Transactions$2.execute(Transactions.java:248)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.run(NoSqlTransactionRunner.java:66)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.run(TransactionRunners.java:165)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.processMessages(AbstractMessagingSubscriberService.java:142)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.fetchAndProcessMessages(AbstractMessagingPollingService.java:206)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.runTask(AbstractMessagingPollingService.java:154)
at io.cdap.cdap.common.service.AbstractRetryableScheduledService.runOneIteration(AbstractRetryableScheduledService.java:162)
at com.google.common.util.concurrent.AbstractScheduledService$1$1.run(AbstractScheduledService.java:170)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:355)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:321)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
look like its trying to access the service on localhost:11021 which is not running in preview pod,
any idea , i am block due to preview issue on the cdap UI.
Regards
In Preview POD i am getting the following error
2022-11-03 07:26:11,981 - DEBUG [PreviewRunnerService:i.c.c.i.a.w.s.ArtifactLocalizerClient@98] - Sending request to http://localhost:11021/v3Internal/worker/artifact/namespaces/system/artifacts/cdap-data-pipeline/versions/6.9.0-SNAPSHOT?unpack=false
2022-11-03 07:26:11,982 - DEBUG [PreviewRunnerService:i.c.c.i.a.p.DefaultPreviewRunner@296] - Setting preview status for program:default.ca10e071-5b48-11ed-8ac1-be1edaf9bb0a.-SNAPSHOT.workflow.DataPipelineWorkflow to DEPLOY_FAILED
2022-11-03 07:26:11,989 - ERROR [PreviewRunnerService:i.c.c.i.a.p.PreviewRunnerService@123] - Failed to execute preview
java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
at sun.net.www.http.HttpClient.New(HttpClient.java:339)
at sun.net.www.http.HttpClient.New(HttpClient.java:357)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1228)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1162)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:990)
at io.cdap.common.http.HttpRequests.execute(HttpRequests.java:65)
at io.cdap.common.http.HttpRequests.execute(HttpRequests.java:126)
at io.cdap.cdap.internal.app.worker.sidecar.ArtifactLocalizerClient.sendRequest(ArtifactLocalizerClient.java:103)
at io.cdap.cdap.internal.app.worker.sidecar.ArtifactLocalizerClient.getArtifactLocation(ArtifactLocalizerClient.java:71)
at io.cdap.cdap.internal.app.runtime.artifact.RemoteArtifactRepositoryReaderWithLocalization.getArtifactLocation(RemoteArtifactRepositoryReaderWithLocalization.java:50)
at io.cdap.cdap.internal.app.runtime.artifact.RemoteArtifactRepositoryReader.getArtifactDetails(RemoteArtifactRepositoryReader.java:166)
at io.cdap.cdap.internal.app.runtime.artifact.RemoteArtifactRepository.getArtifactDetails(RemoteArtifactRepository.java:202)
at io.cdap.cdap.internal.app.services.ApplicationLifecycleService.deployApp(ApplicationLifecycleService.java:864)
at io.cdap.cdap.internal.app.preview.DefaultPreviewRunner.startPreview(DefaultPreviewRunner.java:190)
at io.cdap.cdap.internal.app.preview.PreviewRunnerService.run(PreviewRunnerService.java:105)
at com.google.common.util.concurrent.AbstractExecutionThreadService$1$1.run(AbstractExecutionThreadService.java:52)
at java.lang.Thread.run(Thread.java:750)
2022-11-03 07:26:13,169 - WARN [PreviewDataSubscriberService:i.c.c.c.s.AbstractRetryableScheduledService@207] - Failed to execute task for scheduled service PreviewDataSubscriberService
java.lang.NullPointerException: null
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.emitRunTimeMetric(PreviewDataSubscriberService.java:186)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.access$300(PreviewDataSubscriberService.java:60)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService$PreviewStatusWriter.processMessage(PreviewDataSubscriberService.java:245)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.processMessages(PreviewDataSubscriberService.java:153)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.lambda$processMessages$0(AbstractMessagingSubscriberService.java:146)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.lambda$run$1(TransactionRunners.java:165)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.lambda$run$0(NoSqlTransactionRunner.java:67)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.finishExecute(NoSQLTransactionals.java:71)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.execute(NoSQLTransactionals.java:50)
at io.cdap.cdap.data2.transaction.Transactions$2.executeInternal(Transactions.java:261)
at io.cdap.cdap.data2.transaction.Transactions$2.execute(Transactions.java:248)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.run(NoSqlTransactionRunner.java:66)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.run(TransactionRunners.java:165)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.processMessages(AbstractMessagingSubscriberService.java:142)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.fetchAndProcessMessages(AbstractMessagingPollingService.java:206)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.runTask(AbstractMessagingPollingService.java:154)
at io.cdap.cdap.common.service.AbstractRetryableScheduledService.runOneIteration(AbstractRetryableScheduledService.java:162)
at com.google.common.util.concurrent.AbstractScheduledService$1$1.run(AbstractScheduledService.java:170)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:355)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:321)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
2022-11-03 07:26:13,170 - WARN [PreviewDataSubscriberService:i.c.c.m.s.AbstractMessagingPollingService@141] - Failed to get and process notifications. Will retry in next run
java.lang.NullPointerException: null
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.emitRunTimeMetric(PreviewDataSubscriberService.java:186)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.access$300(PreviewDataSubscriberService.java:60)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService$PreviewStatusWriter.processMessage(PreviewDataSubscriberService.java:245)
at io.cdap.cdap.internal.app.preview.PreviewDataSubscriberService.processMessages(PreviewDataSubscriberService.java:153)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.lambda$processMessages$0(AbstractMessagingSubscriberService.java:146)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.lambda$run$1(TransactionRunners.java:165)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.lambda$run$0(NoSqlTransactionRunner.java:67)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.finishExecute(NoSQLTransactionals.java:71)
at io.cdap.cdap.spi.data.nosql.dataset.NoSQLTransactionals$1.execute(NoSQLTransactionals.java:50)
at io.cdap.cdap.data2.transaction.Transactions$2.executeInternal(Transactions.java:261)
at io.cdap.cdap.data2.transaction.Transactions$2.execute(Transactions.java:248)
at io.cdap.cdap.spi.data.nosql.NoSqlTransactionRunner.run(NoSqlTransactionRunner.java:66)
at io.cdap.cdap.spi.data.transaction.TransactionRunners.run(TransactionRunners.java:165)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingSubscriberService.processMessages(AbstractMessagingSubscriberService.java:142)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.fetchAndProcessMessages(AbstractMessagingPollingService.java:206)
at io.cdap.cdap.messaging.subscriber.AbstractMessagingPollingService.runTask(AbstractMessagingPollingService.java:154)
at io.cdap.cdap.common.service.AbstractRetryableScheduledService.runOneIteration(AbstractRetryableScheduledService.java:162)
at com.google.common.util.concurrent.AbstractScheduledService$1$1.run(AbstractScheduledService.java:170)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:355)
at com.google.common.util.concurrent.AbstractScheduledService$CustomScheduler$ReschedulableCallable.call(AbstractScheduledService.java:321)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
look like its trying to access the service on localhost:11021 which is not running in preview pod,
any idea , i am block due to preview issue on the cdap UI.
Regards
Khurram Shahzad
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