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Posted to issues@nifi.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2020/03/04 09:37:00 UTC
[jira] [Commented] (NIFI-4970) EOF Exception in InvokeHttp when
body's response is empty
[ https://issues.apache.org/jira/browse/NIFI-4970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17051046#comment-17051046 ]
ASF subversion and git services commented on NIFI-4970:
-------------------------------------------------------
Commit bad254ec5b3ea6ab70a9aed673158a21ec40c378 in nifi's branch refs/heads/master from Eduardo Fontes
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=bad254e ]
NIFI-4970 - EOF Exception in InvokeHttp when body's response is empty with gzip
Signed-off-by: Pierre Villard <pi...@gmail.com>
This closes #4109.
> EOF Exception in InvokeHttp when body's response is empty
> ----------------------------------------------------------
>
> Key: NIFI-4970
> URL: https://issues.apache.org/jira/browse/NIFI-4970
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.5.0, 1.11.3
> Environment: Apache NiFi - Version 1.5.0.3.1.1.0-35
> Reporter: Francois Brillon
> Assignee: Eduardo Mota Fontes
> Priority: Major
> Fix For: 1.12.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> *Description*
> A POST to an API that returns an empty body on success (status code 200) will generate an EOF Exception, causing the processor to always remain in error and routing all flow files to failures, even if the API call succeeded.
> An example of such API is the Streaming API of PowerBI: [https://docs.microsoft.com/en-us/power-bi/service-real-time-streaming]
> *Exception Stack Traces*
> When the +property "Put Response Body In Attribute" is not set+, the exception is as follows:
> {code:java}
> rocessor.exception.FlowFileAccessException: Unable to create ContentClaim due to java.io.EOFException: org.apache.nifi.pro
> cessor.exception.FlowFileAccessException: Failed to import data from buffer(okio.GzipSource@159311b9).inputStream() for St
> andardFlowFileRecord[uuid=05a89e7b-d500-4d48-b034-52c7324fa6e6,claim=,offset=0,name=rtm-vehicle-position-20180313-182039.p
> b,size=0] due to org.apache.nifi.processor.exception.FlowFileAccessException: Unable to create ContentClaim due to java.io
> .EOFException
> org.apache.nifi.processor.exception.FlowFileAccessException: Failed to import data from buffer(okio.GzipSource@159311b9).i
> nputStream() for StandardFlowFileRecord[uuid=05a89e7b-d500-4d48-b034-52c7324fa6e6,claim=,offset=0,name=rtm-vehicle-positio
> n-20180313-182039.pb,size=0] due to org.apache.nifi.processor.exception.FlowFileAccessException: Unable to create ContentC
> laim due to java.io.EOFException
> at org.apache.nifi.controller.repository.StandardProcessSession.importFrom(StandardProcessSession.java:2942)
> at org.apache.nifi.processors.standard.InvokeHTTP.onTrigger(InvokeHTTP.java:817)
> at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1122)
> at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:147)
> at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
> at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:128)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> 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.nifi.processor.exception.FlowFileAccessException: Unable to create ContentClaim due to java.io.EOFException
> at org.apache.nifi.controller.repository.StandardProcessSession.importFrom(StandardProcessSession.java:2935)
> ... 13 common frames omitted
> Caused by: java.io.EOFException: null
> at okio.RealBufferedSource.require(RealBufferedSource.java:59)
> at okio.GzipSource.consumeHeader(GzipSource.java:114)
> at okio.GzipSource.read(GzipSource.java:73)
> at okio.RealBufferedSource$1.read(RealBufferedSource.java:409)
> at java.io.InputStream.read(InputStream.java:101)
> at org.apache.nifi.stream.io.StreamUtils.copy(StreamUtils.java:35)
> at org.apache.nifi.controller.repository.FileSystemRepository.importFrom(FileSystemRepository.java:734)
> at org.apache.nifi.controller.repository.StandardProcessSession.importFrom(StandardProcessSession.java:2932)
> ... 13 common frames omitted
> {code}
> When +"Put Body Response in Attribute" property is set+, the exception is as follows :
> {code:java}
> 2018-03-13 18:32:13,165 ERROR [Timer-Driven Process Thread-3] o.a.nifi.processors.standard.InvokeHTTP InvokeHTTP[id=5aae3a34-35d9-1268-6e6d-b774d4467e5a] Routing to Failure due to exception: java.io.EOFException: java.io.EOFException
> java.io.EOFException: null
> at okio.RealBufferedSource.require(RealBufferedSource.java:59)
> at okio.GzipSource.consumeHeader(GzipSource.java:114)
> at okio.GzipSource.read(GzipSource.java:73)
> at okio.RealBufferedSource$1.read(RealBufferedSource.java:409)
> at org.apache.nifi.stream.io.StreamUtils.fillBuffer(StreamUtils.java:89)
> at org.apache.nifi.processors.standard.InvokeHTTP.onTrigger(InvokeHTTP.java:844)
> at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1122)
> at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:147)
> at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
> at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:128)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> 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)
> {code}
>
> *Possible Solution*
> * Wrap calls to *fillBuffer* and *importFrom* into a try-catch
> * Catch the EOF exception
> * Generate an empty response (empty attribute or empty flow file) when this case occurs
> *Alternative Solution*
> * Add a property indicating to the processor to ignore the body response
> *Additional Notes*
> * There is currently an attempt to handle such case in the code, but it is not sufficient.
> **
> {code:java}
> boolean bodyExists = responseBody != null; {code}
> * The variable bodyExists is true in the above case, even if no body has been returned by the REST API.
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