Github user pvillard31 commented on the issue:
https://github.com/apache/nifi/pull/1609
Hey @mattyb149, can you have a look at travis build? It does not seem to
build nicely.
````
NTLR Parser Generator Version 3.5.2
Output file
/home/travis/build/apache/nifi/nifi-commons/nifi-expression-language/target/generated-sources/antlr3/org/apache/nifi/attribute/expression/language/antlr/AttributeExpressionLexer.java
does not exist: must build
/home/travis/build/apache/nifi/nifi-commons/nifi-expression-language/src/main/antlr3/org/apache/nifi/attribute/expression/language/antlr/AttributeExpressionLexer.g
org/apache/nifi/attribute/expression/language/antlr/AttributeExpressionLexer.g
Output file
/home/travis/build/apache/nifi/nifi-commons/nifi-expression-language/target/generated-sources/antlr3/org/apache/nifi/attribute/expression/language/antlr/AttributeExpressionParser.java
does not exist: must build
/home/travis/build/apache/nifi/nifi-commons/nifi-expression-language/src/main/antlr3/org/apache/nifi/attribute/expression/language/antlr/AttributeExpressionParser.g
org/apache/nifi/attribute/expression/language/antlr/AttributeExpressionParser.g
2017-03-21 22:23:14.295:INFO::BuilderThread 2: Logging initialized
@145519ms to org.eclipse.jetty.util.log.StdErrLog
2017-03-21 22:23:16.478:INFO:oajs.TldScanner:BuilderThread 2: At least one
JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this
logger for a complete list of JARs that were scanned but no TLDs were found in
them. Skipping unneeded JARs during scanning can improve startup time and JSP
compilation time.
[ERROR] COMPILATION ERROR :
[ERROR]
/home/travis/build/apache/nifi/nifi-nar-bundles/nifi-hadoop-bundle/nifi-hdfs-processors/src/test/java/org/apache/nifi/processors/hadoop/TestListHDFS.java:[434,12]
error: TestListHDFS.MockCacheClient is not abstract and does not override
abstract method removeByPattern(String) in DistributedMapCacheClient
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.2:testCompile
(default-testCompile) on project nifi-hdfs-processors: Compilation failure
[ERROR]
/home/travis/build/apache/nifi/nifi-nar-bundles/nifi-hadoop-bundle/nifi-hdfs-processors/src/test/java/org/apache/nifi/processors/hadoop/TestListHDFS.java:[434,12]
error: TestListHDFS.MockCacheClient is not abstract and does not override
abstract method removeByPattern(String) in DistributedMapCacheClient
````
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