Hi,
I am using lucene for my site, however in these days my site get very
popular. when request amount get 10 or above in a second, some case (I dont
know when it is happenig ) the lucene parser get the following error. But
when I try to execute lucene again it works fine. could you help me why it
happens.
Regards,
Yilmaz Saridemir.
Error:
Cannot parse '(lcd tv) AND HasExpired:0 AND SortByPrice:{0000000 TO
0084699}': Encountered " ")" ") "" at line 1, column 11.
Was expecting one of:
<EOF>
<AND> ...
<OR> ...
<NOT> ...
"+" ...
"-" ...
"(" ...
"*" ...
"^" ...
<QUOTED> ...
<TERM> ...
<FUZZY_SLOP> ...
<PREFIXTERM> ...
<WILDTERM> ...
"[" ...
"{" ...
<NUMBER> ...
My code :
public SearchResponseInfoWcf SearchWcf(int productId)
{
SearchResponseInfoWcf info = new SearchResponseInfoWcf();
try
{
MultiSearcher allSearcher =
BiaradaCacheManager.GetAllMultiSearcher();
QueryParser parser =
BiaradaCacheManager.GetSiteProductQueryParser();
Query query = parser.Parse(productId.ToString());
TopDocs docs = allSearcher.Search(query, 1);
if (docs.scoreDocs.Length > 0)
{
Dictionary<int, ProductInfoWcf> products = new
Dictionary<int, ProductInfoWcf>();
Document doc = allSearcher.Doc(docs.scoreDocs[0].doc);
ProductInfoWcf p = LoadProductInfo(products, doc,
docs.scoreDocs[0].score);
BiaradaDataManager.FillProductInfoData(products,
productId.ToString());
info.ProductIdInfo = p;
string[] matchs = GetMatchedProducts(doc);
if (matchs.Length > 0)
{
if (matchs[0] != "" || matchs.Length > 1)
{
BooleanQuery matchedAllQuery = new
BooleanQuery();
for (int i = 0; i < matchs.Length; i++)
{
if (matchs[i].Length > 0)
{
Query matchedQuery = new
WildcardQuery(new Term("MatcheId", "*," + matchs[i] + ",*")); //#1
matchedAllQuery.Add(matchedQuery,
BooleanClause.Occur.SHOULD);
}
}
//Query hasExpiredQuery = new WildcardQuery(new
Term("HasExpired", "0")); //#1
//matchedAllQuery.Add(hasExpiredQuery,
BooleanClause.Occur.MUST);
//Query matchedQuery = parser.Parse( "(" +
sb.ToString() + ") AND HasExpired:0 ");
BooleanQuery filterBoolenQuery = new
BooleanQuery();
filterBoolenQuery.Add(new TermQuery(new
Term("HasExpired", "0")), BooleanClause.Occur.MUST);
filterBoolenQuery.Add(new TermQuery(new
Term("SortByPrice", WcfConfigManager.MinPrice)),
BooleanClause.Occur.MUST_NOT);
Filter filter = new
QueryWrapperFilter(filterBoolenQuery);
Sort matchSort = new
Sort(GetSortField(SortingTypes.PriceAsc));
//Console.WriteLine(DateTime.Now.Millisecond);
MultiSearcher searcher =
BiaradaCacheManager.GetMultiSearcher();
TopDocs matchedDocs =
searcher.Search(matchedAllQuery, filter,
ConfigManager.MaxMatchedProductCount, matchSort);
//Console.WriteLine(DateTime.Now.Millisecond);
StringBuilder sbMatched = new StringBuilder();
sbMatched.Append("0");
for (int i = 0; i < matchedDocs.totalHits && i <
ConfigManager.MaxMatchedProductCount; i++)
{
Document docMatched =
searcher.Doc(matchedDocs.scoreDocs[i].doc);
ProductInfoWcf pMatched =
LoadProductInfo(info.ReletedInfos, docMatched,
matchedDocs.scoreDocs[i].score);
sbMatched.Append(",");
sbMatched.Append(pMatched.ProductId);
}
BiaradaDataManager.FillProductInfoData(info.ReletedInfos,
sbMatched.ToString());
}
}
}
}
catch (Exception _e)
{
}
int hasError = 0;
if (info.SearchInfos == null)
{
info.SearchInfos = new Dictionary<int, ProductInfoWcf>();
hasError = 1;
}
if (info.AdvInfos == null)
{
info.AdvInfos = new Dictionary<int, ProductInfoWcf>();
hasError += 2;
}
if (info.ProductIdInfo== null)
{
info.ProductIdInfo = new ProductInfoWcf();
hasError += 4;
}
else if (info.ProductIdInfo.Name == null)
{
info.ProductIdInfo.Name = "biarada";
hasError += 8;
}
if (info.ReletedInfos== null)
{
info.ReletedInfos = new Dictionary<int, ProductInfoWcf>();
hasError += 16;
}
if (hasError > 0)
{
}
return info;
}
