Hi, I use "org.apache.nutch.searcher.NutchBean" to search some Chinese words. It return the right result most of the time,but sometimes it only return the total hits but no summarys. And I found a StringIndexOutOfBoundsException in the hadoop.log as follow:
2010-12-13 19:43:54,277 ERROR searcher.NutchBean - Exception occured while executing search: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.StringIndexOutOfBoundsException: String index out of range: -2 java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.StringIndexOutOfBoundsException: String index out of range: -2 at org.apache.nutch.searcher.FetchedSegments.getSummary(FetchedSegments.java:297) at org.apache.nutch.searcher.NutchBean.getSummary(NutchBean.java:350) at org.apache.nutch.searcher.NutchBean.main(NutchBean.java:410) Caused by: java.util.concurrent.ExecutionException: java.lang.StringIndexOutOfBoundsException: String index out of range: -2 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) at java.util.concurrent.FutureTask.get(FutureTask.java:83) at org.apache.nutch.searcher.FetchedSegments.getSummary(FetchedSegments.java:292) ... 2 more Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: -2 at java.lang.String.substring(String.java:1937) at org.apache.nutch.summary.basic.BasicSummarizer.getSummary(BasicSummarizer.java:188) at org.apache.nutch.searcher.FetchedSegments.getSummary(FetchedSegments.java:263) at org.apache.nutch.searcher.FetchedSegments$SummaryTask.call(FetchedSegments.java:63) at org.apache.nutch.searcher.FetchedSegments$SummaryTask.call(FetchedSegments.java:53) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Is there any clue what cause this error? from bupo.jung
