#1399 NumberFormatException

[Michael]

program.name=DocFetcher
program.version=1.1.19
program.build=20170110-1635
program.portable=false
java.runtime.name=Java(TM) SE Runtime Environment
java.runtime.version=1.8.0_151-b12
java.version=1.8.0_151
sun.arch.data.model=32
os.arch=x86
os.name=Windows 10
os.version=10.0
user.language=de
java.lang.NumberFormatException: For input string: "(2).gen"
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Long.parseLong(Unknown Source)
at org.apache.lucene.index.SegmentInfos.generationFromSegmentsFileName(SegmentInfos.java:226)
at org.apache.lucene.index.SegmentInfos.getCurrentSegmentGeneration(SegmentInfos.java:161)
at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:644)
at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:75)
at org.apache.lucene.index.IndexReader.open(IndexReader.java:462)
at org.apache.lucene.index.IndexReader.open(IndexReader.java:322)
at org.apache.lucene.search.IndexSearcher.<init>(IndexSearcher.java:93)
at net.sourceforge.docfetcher.model.search.Searcher.setLuceneSearcher(Searcher.java:235)
at net.sourceforge.docfetcher.model.search.Searcher.replaceLuceneSearcher(Searcher.java:214)
at net.sourceforge.docfetcher.model.index.IndexingQueue.threadLoop(IndexingQueue.java:229)
at net.sourceforge.docfetcher.model.index.IndexingQueue.access$100(IndexingQueue.java:46)
at net.sourceforge.docfetcher.model.index.IndexingQueue$2.run(IndexingQueue.java:118)</init>