Hi,
> Ume, Thank you for your inputs. We update (write) index nightly once a day > and use it majorly for reads. > > I am wondering how does the latest version of java that you recommend > help in my case. Please clarify. This is unrelated to this issue. It is just a recommendation. > -- > on a side note,not related to this, could you please reply to my comments on > your blog for MMap directory post. What was your question? Uwe > On Fri, Dec 12, 2014 at 12:59 PM, Uwe Schindler <u...@thetaphi.de> wrote: > > > > Hi, > > > > I noticed, you mentioned "NFS" as filesystem. Lucene does not work > > correctly on NFS as file systems, especially when writing to an index > > (commits don’t work safely, NRT reopening breaks without correct > > DeletionPolicy, FileLocking is broken). Purely reading indexes is > > fine, but here NFS is a problem with MMap, because whenever the > > connection to the NFS server drops, it may crush the whole JVM or > > produce strange errors. This could also be the reason for the error you see > here. > > > > I would recommend to update to 1.7.0_72 or 1.8.0_25. > > > > Uwe > > > > ----- > > Uwe Schindler > > H.-H.-Meier-Allee 63, D-28213 Bremen > > http://www.thetaphi.de > > eMail: u...@thetaphi.de > > > > > > > -----Original Message----- > > > From: Vijay B [mailto:vijay.nip...@gmail.com] > > > Sent: Friday, December 12, 2014 6:53 PM > > > To: java-user@lucene.apache.org > > > Subject: Re: unsafe memory access operation > > > > > > Uwe, > > > > > > We never seen these errors before with the same version of java. > > > Would you think updating to latest version of 1.7 would get rid of this? > > > > > > Here is the info you requested: > > > > > > java version "1.7.0_25" > > > Java(TM) SE Runtime Environment (build 1.7.0_25-b15) Java > > > HotSpot(TM) 64- Bit Server VM (build 23.25-b01, mixed mode) > > > > > > On Fri, Dec 12, 2014 at 12:51 PM, Vijay B <vijay.nip...@gmail.com> > > wrote: > > > > > > > > Here is the info you requested: > > > > > > > > java version "1.7.0_25" > > > > Java(TM) SE Runtime Environment (build 1.7.0_25-b15) Java > > > > HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode) > > > > > > > > > > > > > > > > On Fri, Dec 12, 2014 at 12:05 PM, Uwe Schindler <u...@thetaphi.de> > > > wrote: > > > >> > > > >> Hi, > > > >> > > > >> Which Java 7 build number / update level are you using? Those > > > >> errors occur easily if you use an outdated JDK version. > > > >> > > > >> Uwe > > > >> > > > >> ----- > > > >> Uwe Schindler > > > >> H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de > > > >> eMail: u...@thetaphi.de > > > >> > > > >> > -----Original Message----- > > > >> > From: Vijay B [mailto:vijay.nip...@gmail.com] > > > >> > Sent: Friday, December 12, 2014 5:31 PM > > > >> > To: java-user@lucene.apache.org > > > >> > Subject: unsafe memory access operation > > > >> > > > > >> > we are running into this issue for the first time while > > > >> > searching a > > > >> lucene index > > > >> > hosted on NFS. Once, this error occurs, all subsequent requests > > fails. > > > >> help > > > >> > appreciated. > > > >> > > > > >> > Our Config: > > > >> > 64-bit Java 1.7 (we are making use of MMapDirectory) Lucene > > > >> > 4.2.1 > > > >> Index > > > >> > size: 8GB > > > >> > > > > >> > Let me know if you need any futher info. > > > >> > > > > >> > > > > >> > java.lang.InternalError: a fault occurred in a recent unsafe > > > >> > memory > > > >> access > > > >> > operation in compiled Java code > > > >> > > > > > org.apache.lucene.codecs.BlockTreeTermsReader$FieldReader$SegmentTe > > > >> > r > > > >> > msEnum$Frame.loadBlock(BlockTreeTermsReader.java:2373) > > > >> > > > > > org.apache.lucene.codecs.BlockTreeTermsReader$FieldReader$SegmentTe > > > >> > r > > > >> > msEnum.seekExact(BlockTreeTermsReader.java:1693) > > > >> > org.apache.lucene.index.TermContext.build(TermContext.java:95) > > > >> > > > > > org.apache.lucene.search.TermQuery.createWeight(TermQuery.java:167) > > > >> > > > > org.apache.lucene.search.BooleanQuery$BooleanWeight.<init>(Bo > > > >> > olea > > > >> > nQuery.java:187) > > > >> > > > > > org.apache.lucene.search.BooleanQuery.createWeight(BooleanQuery.jav > > > >> > a:4 > > > >> > 01) > > > >> > > > > org.apache.lucene.search.IndexSearcher.createNormalizedWeight(Index > > > >> > Sea > > > >> > rcher.java:664) > > > >> > org.apache.lucene.search.IndexSearcher.search(IndexSearcher.jav > > > >> > a:30 > > > >> > 9) > > > >> > > > >> > > > >> ----------------------------------------------------------------- > > > >> ---- To unsubscribe, e-mail: > > > >> java-user-unsubscr...@lucene.apache.org > > > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > > > >> > > > >> > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
