Minor Description
When changing Lucene version to 4_10_1 in all code and 4.10.1 in pom.xml the following compile errors (and warnings) are observed:
[WARNING] COMPILATION WARNING :
[INFO] -------------------------------------------------------------
[WARNING] /mahout2/trunk/integration/src/main/java/org/apache/mahout/cf/taste/impl/model/hbase/HBaseDataModel.java: Some input files use or override a deprecated API.
[WARNING] /mahout2/trunk/integration/src/main/java/org/apache/mahout/cf/taste/impl/model/hbase/HBaseDataModel.java: Recompile with -Xlint:deprecation for details.
[WARNING] /mahout2/trunk/integration/src/main/java/org/apache/mahout/cf/taste/impl/model/mongodb/MongoDBDataModel.java: Some input files use unchecked or unsafe operations.
[WARNING] /mahout2/trunk/integration/src/main/java/org/apache/mahout/cf/taste/impl/model/mongodb/MongoDBDataModel.java: Recompile with -Xlint:unchecked for details.
[INFO] 4 warnings
[INFO] -------------------------------------------------------------
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[29,31] cannot find symbol
symbol: class BufferedIndexOutput
location: package org.apache.lucene.store
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[305,47] cannot find symbol
symbol: class BufferedIndexOutput
location: class org.apache.mahout.text.ReadOnlyFileSystemDirectory
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[163,12] incompatible types
required: org.apache.lucene.store.IndexOutput
found: org.apache.mahout.text.ReadOnlyFileSystemDirectory.FileSystemIndexOutput
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[178,23] <anonymous org.apache.mahout.text.ReadOnlyFileSystemDirectory$1> is not abstract and does not override abstract method close() in org.apache.lucene.store.Lock
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[319,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[327,14] abstract method close() in org.apache.lucene.store.Directory cannot be accessed directly
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[324,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[335,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[340,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[345,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/LuceneSegmentRecordReader.java:[67,20] method scorer in class org.apache.lucene.search.Weight cannot be applied to given types;
required: org.apache.lucene.index.AtomicReaderContext,org.apache.lucene.util.Bits
found: org.apache.lucene.index.AtomicReaderContext,boolean,boolean,<nulltype>
reason: actual and formal argument lists differ in length
[INFO] 11 errors
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Mahout Build Tools ................................ SUCCESS [ 1.808 s]
[INFO] Apache Mahout ..................................... SUCCESS [ 0.437 s]
[INFO] Mahout Math ....................................... SUCCESS [ 11.337 s]
[INFO] Mahout MapReduce Legacy ........................... SUCCESS [ 15.163 s]
[INFO] Mahout Integration ................................ FAILURE [ 1.416 s]
[INFO] Mahout Examples ................................... SKIPPED
[INFO] Mahout Release Package ............................ SKIPPED
[INFO] Mahout Math/Scala wrappers ........................ SKIPPED
[INFO] Mahout Spark bindings ............................. SKIPPED
[INFO] Mahout Spark bindings shell ....................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 30.612 s
[INFO] Finished at: 2014-10-30T06:10:11-08:00
[INFO] Final Memory: 52M/411M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project mahout-integration: Compilation failure: Compilation failure:
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[29,31] cannot find symbol
[ERROR] symbol: class BufferedIndexOutput
[ERROR] location: package org.apache.lucene.store
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[305,47] cannot find symbol
[ERROR] symbol: class BufferedIndexOutput
[ERROR] location: class org.apache.mahout.text.ReadOnlyFileSystemDirectory
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[163,12] incompatible types
[ERROR] required: org.apache.lucene.store.IndexOutput
[ERROR] found: org.apache.mahout.text.ReadOnlyFileSystemDirectory.FileSystemIndexOutput
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[178,23] <anonymous org.apache.mahout.text.ReadOnlyFileSystemDirectory$1> is not abstract and does not override abstract method close() in org.apache.lucene.store.Lock
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[319,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[327,14] abstract method close() in org.apache.lucene.store.Directory cannot be accessed directly
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[324,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[335,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[340,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/ReadOnlyFileSystemDirectory.java:[345,5] method does not override or implement a method from a supertype
[ERROR] /mahout2/trunk/integration/src/main/java/org/apache/mahout/text/LuceneSegmentRecordReader.java:[67,20] method scorer in class org.apache.lucene.search.Weight cannot be applied to given types;
[ERROR] required: org.apache.lucene.index.AtomicReaderContext,org.apache.lucene.util.Bits
[ERROR] found: org.apache.lucene.index.AtomicReaderContext,boolean,boolean,<nulltype>
[ERROR] reason: actual and formal argument lists differ in length
[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
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :mahout-integration