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Posted to java-user@lucene.apache.org by Andrew Boyd <an...@mindspring.com> on 2005/08/15 17:53:33 UTC
QueryParser Exceptions only under load?
Hi all,
I'm running lucene 1.9-rc with jdk 1.5/5.0 on JBoss 3.6 with tomcat 5.0.
I'm using JMeter to do my load testing. I'm getting several different exceptions (NullPointer, ArrayIndexOutofBounds and ParseException) from QueryParser when I simulate 5 users (threads in JMeter)with no pausing between http queries. The exceptions are sporatic meaning I had to run it about 10 or more times so I could copy the stacktraces for you:
///// NullPointer
10:40:26,266 ERROR [Utils] QueryString : bomb
10:40:26,282 INFO [STDOUT] java.lang.NullPointerException
10:40:26,282 INFO [STDOUT] at java.lang.String.<init>(String.java:205)
10:40:26,282 INFO [STDOUT] at org.apache.lucene.queryParser.FastCharStream.GetImage(Unknown Source)
10:40:26,282 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParserTokenManager.jjFillToken(Unknown Source)
10:40:26,282 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParserTokenManager.getNextToken(Unknown Source)
10:40:26,282 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.jj_ntk(Unknown Source)
10:40:26,282 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.Modifiers(Unknown Source)
10:40:26,282 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.Query(Unknown Source)
10:40:26,282 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.parse(Unknown Source)
10:40:26,282 INFO [STDOUT] at net.bbtech.kat.search.BaseSearchType.getQuery(BaseSearchType.java:60)
/////ArrayIndexOutOfBoundsException
10:43:19,972 ERROR [Utils] QueryString : mines playgrounds
10:43:19,988 INFO [STDOUT] java.lang.ArrayIndexOutOfBoundsException: -1
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParserTokenManager.jjMoveNfa_3(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParserTokenManager.jjMoveStringLiteralDfa0_3(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParserTokenManager.getNextToken(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.jj_scan_token(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.jj_3_1(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.jj_2_1(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.Clause(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.Query(Unknown Source)
10:43:19,988 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.parse(Unknown Source)
10:43:19,988 INFO [STDOUT] at net.bbtech.kat.search.BaseSearchType.getQuery(BaseSearchType.java:60)
10:47:58,167 ERROR [Utils] QueryString : explosives camp
10:47:58,494 INFO [STDOUT] org.apache.lucene.queryParser.ParseException: Encountered "<EOF>" at line 1, column 4.
Was expecting one of:
<AND> ...
<OR> ...
<NOT> ...
"+" ...
"-" ...
"(" ...
"^" ...
<QUOTED> ...
<TERM> ...
<FUZZY_SLOP> ...
<PREFIXTERM> ...
<WILDTERM> ...
"[" ...
"{" ...
<NUMBER> ...
":" ...
10:47:58,494 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.generateParseException(Unknown Source)
10:47:58,494 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.jj_consume_token(Unknown Source)
10:47:58,494 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.Clause(Unknown Source)
10:47:58,494 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.Query(Unknown Source)
10:47:58,525 INFO [STDOUT] at org.apache.lucene.queryParser.QueryParser.parse(Unknown Source)
10:47:58,541 INFO [STDOUT] at net.bbtech.kat.search.BaseSearchType.getQuery(BaseSearchType.java:66)
My load test is running on the same box as my search engine a Thinkpad G41 with a P4 3.33GHz with 1.5 GB of RAM.
The queries are the same whether I'm running one user or 5 users. I expect that these exceptions are happining just because of the load but I thought I'd post them to get comments recomendations?
Thanks,
Andrew
Andrew Boyd
Software Architect
Sun Certified J2EE Architect
B&B Technical Services Inc.
205.422.2557
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