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https://issues.apache.org/jira/browse/FLINK-18663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chesnay Schepler closed FLINK-18663.
------------------------------------
Fix Version/s: 1.11.2
1.12.0
1.10.2
Resolution: Fixed
master:
ee4b27f96e8156c6a1c4b825484d238055cecf5f
7619db019181347a16fd37f0e4e04c420f75eee9
1.11:
4c2f7c44fc7085edfd3f910135fbf7f54d5eadf1
862ac0f6921a7cf0a1f7fabfd3cff11292817fb0
1.10:
bda138361e55437c84ea000fe38a6bce69cf7520
52a77e695ea9dea79f67f6b6a7281ceb1079f65e
> Fix Flink On YARN AM not exit
> -----------------------------
>
> Key: FLINK-18663
> URL: https://issues.apache.org/jira/browse/FLINK-18663
> Project: Flink
> Issue Type: Bug
> Components: Runtime / REST
> Affects Versions: 1.10.0, 1.10.1, 1.11.0
> Reporter: tartarus
> Assignee: tartarus
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.10.2, 1.12.0, 1.11.2
>
> Attachments: 110.png, 111.png,
> C49A7310-F932-451B-A203-6D17F3140C0D.png,
> e18e00dd6664485c2ff55284fe969474.png, jobmanager.log.noyarn.tar.gz
>
>
> AbstractHandler throw NPE cause by FlinkHttpObjectAggregator is null
> when rest throw exception, it will do this code
> {code:java}
> private CompletableFuture<Void> handleException(Throwable throwable,
> ChannelHandlerContext ctx, HttpRequest httpRequest) {
> FlinkHttpObjectAggregator flinkHttpObjectAggregator =
> ctx.pipeline().get(FlinkHttpObjectAggregator.class);
> int maxLength = flinkHttpObjectAggregator.maxContentLength() -
> OTHER_RESP_PAYLOAD_OVERHEAD;
> if (throwable instanceof RestHandlerException) {
> RestHandlerException rhe = (RestHandlerException) throwable;
> String stackTrace = ExceptionUtils.stringifyException(rhe);
> String truncatedStackTrace = Ascii.truncate(stackTrace,
> maxLength, "...");
> if (log.isDebugEnabled()) {
> log.error("Exception occurred in REST handler.", rhe);
> } else {
> log.error("Exception occurred in REST handler: {}",
> rhe.getMessage());
> }
> return HandlerUtils.sendErrorResponse(
> ctx,
> httpRequest,
> new ErrorResponseBody(truncatedStackTrace),
> rhe.getHttpResponseStatus(),
> responseHeaders);
> } else {
> log.error("Unhandled exception.", throwable);
> String stackTrace = String.format("<Exception on server
> side:%n%s%nEnd of exception on server side>",
> ExceptionUtils.stringifyException(throwable));
> String truncatedStackTrace = Ascii.truncate(stackTrace,
> maxLength, "...");
> return HandlerUtils.sendErrorResponse(
> ctx,
> httpRequest,
> new ErrorResponseBody(Arrays.asList("Internal server
> error.", truncatedStackTrace)),
> HttpResponseStatus.INTERNAL_SERVER_ERROR,
> responseHeaders);
> }
> }
> {code}
> but flinkHttpObjectAggregator some case is null,so this will throw NPE,but
> this method called by AbstractHandler#respondAsLeader
> {code:java}
> requestProcessingFuture
> .whenComplete((Void ignored, Throwable throwable) -> {
> if (throwable != null) {
>
> handleException(ExceptionUtils.stripCompletionException(throwable), ctx,
> httpRequest)
> .whenComplete((Void ignored2, Throwable
> throwable2) -> finalizeRequestProcessing(finalUploadedFiles));
> } else {
> finalizeRequestProcessing(finalUploadedFiles);
> }
> });
> {code}
> the result is InFlightRequestTracker Cannot be cleared.
> so the CompletableFuture does‘t complete that handler's closeAsync returned
> !C49A7310-F932-451B-A203-6D17F3140C0D.png!
> !e18e00dd6664485c2ff55284fe969474.png!
>
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