[ 
https://issues.apache.org/jira/browse/NIFI-2902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15583427#comment-15583427
 ] 

ASF subversion and git services commented on NIFI-2902:
-------------------------------------------------------

Commit b9a940bbd1c7afede946e2e7db948cc38582208f in nifi's branch 
refs/heads/master from [~jameswing]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=b9a940b ]

NIFI-2902 Fix for S3 Signer v4 Override

This closes #1140.


> S3 Processor Signer Override for v4 Throws Exception
> ----------------------------------------------------
>
>                 Key: NIFI-2902
>                 URL: https://issues.apache.org/jira/browse/NIFI-2902
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>            Reporter: James Wing
>            Priority: Minor
>             Fix For: 1.1.0
>
>
> NIFI-2763 introduced optional signer overrides for S3 processors - default, 
> v2, and v4.  The signer type for the "Signature v4" is wrong, and throws an 
> IllegalArgumentException when the processor attempts to start.  The failing 
> type is {{AWSS3V4Signer}}.  The correct type is {{AWSS3V4SignerType}}.
> The impact is low for now - the feature has not been released, and the 
> unconfigured default is v4 in the AWS SDK included with NiFi.  The "Signature 
> v2" value works OK.  But the option does not work as advertised, and should 
> be fixed before release.
> {code}
> 2016-10-14 17:46:28,685 ERROR [StandardProcessScheduler Thread-3] 
> org.apache.nifi.engine.FlowEngine A flow controller task execution stopped 
> abnormally
> java.util.concurrent.ExecutionException: 
> java.lang.reflect.InvocationTargetException
>       at java.util.concurrent.FutureTask.report(FutureTask.java:122) 
> ~[na:1.8.0_66]
>       at java.util.concurrent.FutureTask.get(FutureTask.java:192) 
> ~[na:1.8.0_66]
>       at org.apache.nifi.engine.FlowEngine.afterExecute(FlowEngine.java:100) 
> ~[na:na]
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1150)
>  [na:1.8.0_66]
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_66]
>       at java.lang.Thread.run(Thread.java:745) [na:1.8.0_66]
> Caused by: java.lang.reflect.InvocationTargetException: null
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> ~[na:1.8.0_66]
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[na:1.8.0_66]
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[na:1.8.0_66]
>       at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_66]
>       at 
> org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:137)
>  ~[na:na]
>       at 
> org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:125)
>  ~[na:na]
>       at 
> org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:70)
>  ~[na:na]
>       at 
> org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotation(ReflectionUtils.java:47)
>  ~[na:na]
>       at 
> org.apache.nifi.controller.StandardProcessorNode$1$1.call(StandardProcessorNode.java:1244)
>  ~[na:na]
>       at 
> org.apache.nifi.controller.StandardProcessorNode$1$1.call(StandardProcessorNode.java:1240)
>  ~[na:na]
>       at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> ~[na:1.8.0_66]
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
>  ~[na:1.8.0_66]
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>  ~[na:1.8.0_66]
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_66]
>       ... 2 common frames omitted
> Caused by: java.lang.IllegalArgumentException: unknown signer type: 
> AWSS3V4Signer
>       at 
> com.amazonaws.auth.SignerFactory.createSigner(SignerFactory.java:118) ~[na:na]
>       at 
> com.amazonaws.auth.SignerFactory.getSignerByTypeAndService(SignerFactory.java:95)
>  ~[na:na]
>       at 
> com.amazonaws.AmazonWebServiceClient.computeSignerByServiceRegion(AmazonWebServiceClient.java:262)
>  ~[na:na]
>       at 
> com.amazonaws.AmazonWebServiceClient.computeSignerByURI(AmazonWebServiceClient.java:235)
>  ~[na:na]
>       at 
> com.amazonaws.AmazonWebServiceClient.setEndpoint(AmazonWebServiceClient.java:186)
>  ~[na:na]
>       at 
> com.amazonaws.services.s3.AmazonS3Client.setEndpoint(AmazonS3Client.java:463) 
> ~[na:na]
>       at 
> com.amazonaws.services.s3.AmazonS3Client.init(AmazonS3Client.java:449) 
> ~[na:na]
>       at 
> com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:396) 
> ~[na:na]
>       at 
> com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:373) 
> ~[na:na]
>       at 
> com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:355) 
> ~[na:na]
>       at 
> org.apache.nifi.processors.aws.s3.AbstractS3Processor.createClient(AbstractS3Processor.java:137)
>  ~[na:na]
>       at 
> org.apache.nifi.processors.aws.s3.AbstractS3Processor.createClient(AbstractS3Processor.java:45)
>  ~[na:na]
>       at 
> org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.onScheduledUsingControllerService(AbstractAWSCredentialsProviderProcessor.java:73)
>  ~[na:na]
>       at 
> org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.onScheduled(AbstractAWSCredentialsProviderProcessor.java:61)
>  ~[na:na]
>       ... 16 common frames omitted
> {code}



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