Gary Yao created FLINK-8894: ------------------------------- Summary: CurrentJobIdsHandler fails to serialize response Key: FLINK-8894 URL: https://issues.apache.org/jira/browse/FLINK-8894 Project: Flink Issue Type: Bug Components: REST Affects Versions: 1.5.0 Reporter: Gary Yao Fix For: 1.5.0
*Description* The non-flip6 {{CurrentJobIdsHandler}} fails to serialize instances of {{JobIdWithStatus}}. *Steps to reproduce* # Add {{mode: old}} to {{flink-conf.yaml}} # {{bin/start-cluster.sh}} # {{nc -l 9001}} # {{bin/flink run examples/streaming/SocketWindowWordCount.jar --port 9001}} # {{curl localhost:8081/jobs}} *Stacktrace* {noformat} java.util.concurrent.CompletionException: org.apache.flink.util.FlinkException: Failed to fetch list of all running jobs. at org.apache.flink.runtime.rest.handler.legacy.CurrentJobIdsHandler.lambda$handleJsonRequest$0(CurrentJobIdsHandler.java:93) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$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$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.flink.util.FlinkException: Failed to fetch list of all running jobs. ... 9 more Caused by: java.lang.IllegalStateException: No ObjectCodec defined for the generator, can only serialize simple wrapper types (type passed org.apache.flink.runtime.messages.webmonitor.JobIdsWithStatusOverview$JobIdWithStatus) at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonGenerator._writeSimpleObject(JsonGenerator.java:1798) at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.base.GeneratorBase.writeObject(GeneratorBase.java:369) at org.apache. {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)