michael.drogalis$ mvn clean compile
[INFO] Scanning for projects...
[INFO] 
[INFO] -----------------< streams.examples:streams.examples >------------------
[INFO] Building Kafka Streams Quickstart :: Java 0.1
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ streams.examples ---
[INFO] Deleting /Users/michael.drogalis/scratch/kstreams-bug/streams.examples/target
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ streams.examples ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ streams.examples ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 3 source files to /Users/michael.drogalis/scratch/kstreams-bug/streams.examples/target/classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /Users/michael.drogalis/scratch/kstreams-bug/streams.examples/src/main/java/myapps/LineSplit.java:[48] 
	.flatMapValues(value -> Arrays.asList(value.split("\\W+")))
	                                            ^^^^^
The method split(String) is undefined for the type Object
1 problem (1 error)
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.362 s
[INFO] Finished at: 2019-01-22T09:53:51-08:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project streams.examples: Compilation failure
[ERROR] /Users/michael.drogalis/scratch/kstreams-bug/streams.examples/src/main/java/myapps/LineSplit.java:[48] 
[ERROR] 	.flatMapValues(value -> Arrays.asList(value.split("\\W+")))
[ERROR] 	                                            ^^^^^
[ERROR] The method split(String) is undefined for the type Object
[ERROR] 1 problem (1 error)
[ERROR] 
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException