errors compiling index-extra

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errors compiling index-extra

Peter Boot
I am getting errors when trying to compile  the index-extra plugin.
Has anyone a solution is there a better way to get Nutch to create
termVectors ?

[echo] Compiling plugin: index-extra
[javac] Compiling 3 source files to /opt/nutch-trunk/build/index-extra/classes
[javac] /opt/nutch-trunk/src/plugin/index-extra/src/java/org/apache/nutch/indexer/extra/ExtraIndexingFilter.java:61:
org.apache.nutch.indexer.extra.ExtraIndexingFilter is not abstract and
does not override abstract method
filter(org.apache.lucene.document.Document,org.apache.nutch.parse.Parse,org.apache.hadoop.io.Text,org.apache.nutch.crawl.CrawlDatum,org.apache.nutch.crawl.Inlinks)
in org.apache.nutch.indexer.IndexingFilter
[javac] public class ExtraIndexingFilter implements IndexingFilter {
[javac]   ^
[javac] Note: /opt/nutch-trunk/src/plugin/index-extra/src/java/org/apache/nutch/indexer/extra/ExtraIndexingFilter.java
uses or overrides a deprecated API.

thanks for your help

Peter