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From Bruce Karsh <bruceka...@gmail.com>
Subject IndexUpdater (4.4.0) fails when -verbose is not set
Date Tue, 17 Sep 2013 01:27:22 GMT
Here it fails because -verbose is not set:

$ java -cp ./lucene-core-4.4-SNAPSHOT.jar
org.apache.lucene.index.IndexUpgrader ./INDEX
Exception in thread "main" java.lang.IllegalArgumentException: printStream
must not be null
 at
org.apache.lucene.index.IndexWriterConfig.setInfoStream(IndexWriterConfig.java:514)
at org.apache.lucene.index.IndexUpgrader.<init>(IndexUpgrader.java:126)
 at org.apache.lucene.index.IndexUpgrader.main(IndexUpgrader.java:109)

Here it works with -verbose set:

$ java -cp ./lucene-core-4.4-SNAPSHOT.jar
org.apache.lucene.index.IndexUpgrader -verbose ./INDEX
IFD 0 [Mon Sep 16 18:25:53 PDT 2013; main]: init: current segments file is
"segments_5";
deletionPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy@42698403

...

IW 0 [Mon Sep 16 18:25:53 PDT 2013; main]: at close: _2(4.4):C4

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