Can you describe what led up to this exception? Ie, what calls you
made to Lucene before this.

Mike

Paul Chan wrote:

> I think I know what the problem is looking at the code:
>
> In SegmentInfos.java (line 321):
>
> class SegmentInfos extends Vector
> {
>   public Object clone() {
>     SegmentInfos sis = (SegmentInfos) super.clone();
>     for(int i=0;i<sis.size();i++) {
>      sis.setElementAt(((SegmentInfo) sis.elementAt(i)).clone(), i);
>     }
>     return sis;
>   }
> }
>
> We see that it is trying to cast a Vector into SegmentInfos which
> explains
> the ClassCastException. This is definitely a bug.
>
>
> On Fri, Oct 3, 2008 at 3:40 PM, Paul Chan <wayofdragon@(protected)>
> wrote:
>
>> Hi,
>>
>> I am using lucene 2.3.2 and I encounter the following exception
>> when I try
>> to insert a object into the index.
>>
>> Caused by: java.lang.ClassCastException: java.util.Vector cannot be
>> cast to
>> org.apache.lucene.index.SegmentInfos
>> at org.apache.lucene.index.SegmentInfos.clone (SegmentInfos.java:321)
>> at org.apache.lucene.index.IndexWriter.init (IndexWriter.java:715)
>> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:666)
>>
>> Has Anyone seen this problem before? What seems to be the problem?
>>
>> Thanks!
>>


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