Bryan Bende created NIFI-1529:
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Summary: hadoop-libraries-nar dependency issue for httpclient and
httpcore
Key: NIFI-1529
URL: https://issues.apache.org/jira/browse/NIFI-1529
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 0.5.0, 0.4.0
Reporter: Bryan Bende
Assignee: Bryan Bende
Fix For: 0.5.1
The following issue was reported:
016-02-17 15:23:11,814 ERROR [Timer-Driven Process Thread-7]
o.apache.nifi.processors.hadoop.PutHDFS
PutHDFS[id=0575cb57-786c-45d9-b9ef-19c15cc01290] Failed to writ
e to HDFS due to java.lang.NoClassDefFoundError: org/apache/http/Consts
2016-02-17 15:23:11,816 ERROR [Timer-Driven Process Thread-7]
o.apache.nifi.processors.hadoop.PutHDFS
java.lang.NoClassDefFoundError: org/apache/http/Consts
at
org.apache.http.client.utils.URIBuilder.digestURI(URIBuilder.java:181)
~[httpclient-4.4.1.jar:4.4.1]
at org.apache.http.client.utils.URIBuilder.<init>(URIBuilder.java:82)
~[httpclient-4.4.1.jar:4.4.1]
at
org.apache.hadoop.crypto.key.kms.KMSClientProvider.createURL(KMSClientProvider.java:368)
~[hadoop-common-2.6.2.jar:na]
>From looking into this, we have the following transitive dependencies from the
>hadoop libraries nar:
- net.java.dev.jets3t:jets3t:jar:0.9.0:compile
[INFO] | | +- org.apache.httpcomponents:httpclient:jar:4.4.1:compile
[INFO] | | +- org.apache.httpcomponents:httpcore:jar:4.1.2:compile
I believe the 4.4.1 of httpclient is coming from the top level pom which has a
dependency management block that forces the client to 4.4.1 and doesn't for
core to 4.4.1.
If we look at httpcore 4.x branch it has the missing Consts class:
https://github.com/apache/httpcore/tree/4.4.x/httpcore/src/main/java/org/apache/http
and the 4.1.x branch does not:
https://github.com/apache/httpcore/tree/4.1.x/httpcore/src/main/java/org/apache/http
We either need to force both to 4.4.1, or force only the hadoop libraries nar
to both be 4.1.2 if that is what it normally brings in.
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