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From Simon Willnauer <simon.willna...@googlemail.com>
Subject Re: AlreadySetException ?
Date Mon, 24 Oct 2011 17:34:56 GMT
Clone won't help here, you need to create your MergePolicy again even
if you clone since MP is not cloneable etc.

simon

On Mon, Oct 24, 2011 at 5:08 PM, Uwe Schindler <uwe@thetaphi.de> wrote:
> Hi,
>
> You cannot use the same IndexWriterConfig for two different IndexWriters.
> Clone it before, if you want to use it multiple times.
>
> Uwe
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: uwe@thetaphi.de
>
>
>> -----Original Message-----
>> From: Clemens Wyss [mailto:clemensdev@mysign.ch]
>> Sent: Monday, October 24, 2011 4:47 PM
>> To: java-user@lucene.apache.org
>> Subject: AlreadySetException ?
>>
>> I am seeing this stack trace in my logs:
>> org.apache.lucene.util.SetOnce$AlreadySetException: The object cannot be
> set
>> twice!
>>       at org.apache.lucene.util.SetOnce.set(SetOnce.java:69)
>>       at
>> org.apache.lucene.index.MergePolicy.setIndexWriter(MergePolicy.java:271)
>>       at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1104)
>>       ...
>> What can possibly cause this exception? I can't be calling the constructor
> of
>> IndexWriter twice, can I ;)
>>
>> Any help appreciated
>> - Clemens
>>
>>
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>
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