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https://issues.apache.org/jira/browse/NIFI-1764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15291062#comment-15291062
]
ASF subversion and git services commented on NIFI-1764:
-------------------------------------------------------
Commit 640b70214f9e40706bd880a877c9ba82770c1b83 in nifi's branch refs/heads/0.x
from [~ozhurakousky]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=640b702 ]
NIFI-1296, NIFI-1680, NIFI-1764, NIFI-1837, NIFI-1827, NIFI-1699 implemented
new Kafka processors that leverage Kafka 0.9 API
- Improved StreamScanner for better performance
- Renamed StreamScanner to StreamDemarcator as suggested by Joe
- Added failure handling logic to ensure both processors can be reset to their
initial state (as if they were just started)
- Provided comprehensive test suite to validate various aspects of both Publish
and Consume from Kafka
- Added relevant javadocs
- Added initial additionalDetails docs
- Addressed NPE reported by NIFI-1764
- Life-cycle refactoring for the existing PutKafka to ensure producer restart
after errors
- Incorporated code changes contributed by Ralph Perko (see NIFI-1837)
- Addressed partition issue in RoundRobinPartitioner discussed in NIFI-1827
- Updated PropertyDescriptor descriptions to reflect their purpose
NIFI-1296 added @Ignore on some Kafka tests to improve test time
NIFI-1296 reworked tests to avoid dependency on embedded Kafka
NIFI-1296 fixed spelling error
NIFI-1296 fixed trailing whitespaces in non-java files
This closes #366
NIFI-1296 fixed pom files for 0.x branch
NIFI-1296 removed trailing white spaces in non-Java files
> NullPointerException in PutKafka for failed segments with no delimiter and
> insufficient producer handling
> ---------------------------------------------------------------------------------------------------------
>
> Key: NIFI-1764
> URL: https://issues.apache.org/jira/browse/NIFI-1764
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.0.0, 0.7.0
> Reporter: Christopher McDermott
> Assignee: Oleg Zhurakousky
> Labels: patch
> Fix For: 1.0.0, 0.7.0
>
> Attachments: 0001-NIFI-1764-numerous-edits-from-reviewing-PR-366.patch
>
>
> This NPE can happen during certain failure cases and it appears to be related
> to the lack of guarding of the failed segments attribute addition in the case
> there is no delimiter. Further, we have observed the PutKafka processor
> becoming ineffective if the established kafka client starts seeing failed
> acks/timeouts. We need to catch those cases and teardown the old client and
> create a new one instead.
> {code}
> java.lang.NullPointerException: null
> at java.lang.String.<init>(String.java:503) ~[na:1.8.0_45]
> at
> org.apache.nifi.processors.kafka.PutKafka.buildFailedFlowFileAttributes(PutKafka.java:396)
> ~[na:na]
> at org.apache.nifi.processors.kafka.PutKafka.onTrigger(PutKafka.java:308)
> ~[na:na]
> at
> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> ~[nifi-api-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1059)
> ~[nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:136)
> [nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
> [nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:123)
> [nifi-framework-core-0.7.0-SNAPSHOT.jar:0.7.0-SNAPSHOT]
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_45]
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> [na:1.8.0_45]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> [na:1.8.0_45]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> [na:1.8.0_45]
> {code}
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