# Fwd: \[hibernate-announce\] Java 7 and Hibernate Search **URL:** \ **Category:** Elasticsearch\ **Created:** [July 29, 2011, 8:09am UTC](https://discuss.elastic.co/t/fwd-hibernate-announce-java-7-and-hibernate-search/4996 "2011-07-29T08:09:54Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [July 29, 2011, 8:09am UTC](https://discuss.elastic.co/t/fwd-hibernate-announce-java-7-and-hibernate-search/4996/1 "2011-07-29T08:09:54Z")
Do we will have the sames issues with ES ? David 😉 DĂ©but du message transfĂ©rĂ© : > ExpĂ©diteur: Emmanuel Bernard [emmanuel@hibernate.org](mailto:emmanuel@hibernate.org) > Date: 29 juillet 2011 09:35:46 HAEC > Destinataire: [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > Objet: [hibernate-announce] Java 7 and Hibernate Search > Hi everyone, > > A severe optimization bug in Java 7 is affecting the Apache Lucene project which is heavily used by Hibernate Search. If you are using any version of Hibernate Search and contemplate using Java 7, please read. > > In one line: do not use or you might get index corruption and VM crashes. > > Some details > > - a loop optimization bug is present in Java 7 > - it can lead to either crash or index corruption when running Hibernate Search > - Oracle is aware of the problem and is working for a fix for update 2 (and maybe update 1) > - this bug also affect Java 6 VMs assuming you use some VM optimization options (-XX:+OptimizeStringConcat or > -XX:+AggressiveOpts) > > A very nice and detailed explanation of the problem by Uwe from Lucene fame can be found at [http://markmail.org/thread/kulrw4sm2nsshrta](http://markmail.org/thread/kulrw4sm2nsshrta) > > We are tracking the problem at [https://hibernate.onjira.com/browse/HSEARCH-820](https://hibernate.onjira.com/browse/HSEARCH-820) > > Emmanuel > > PS: many kudos to the Lucene community for being so open and reactive > > * * * > > hibernate-announce mailing list > [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > [hibernate-announce - Jboss List Archives](https://lists.jboss.org/mailman/listinfo/hibernate-announce) ---
**Author:** ![kimchy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kimchy/32/44952_2.png) [@kimchy](https://discuss.elastic.co/u/kimchy)\ **Post date:** [July 29, 2011, 8:11am UTC](https://discuss.elastic.co/t/fwd-hibernate-announce-java-7-and-hibernate-search/4996/2 "2011-07-29T08:11:43Z")
Heya, Yea, I was just writing this email to the mailing list as well... . Note, the index corruption only affects Lucene trunk. -shay.banon On Fri, Jul 29, 2011 at 11:09 AM, David Pilato [david@pilato.fr](mailto:david@pilato.fr) wrote: > Do we will have the sames issues with ES ? > > David 😉 > > DĂ©but du message transfĂ©rĂ© : > > _ExpĂ©diteur:_ Emmanuel Bernard [emmanuel@hibernate.org](mailto:emmanuel@hibernate.org) > _Date:_ 29 juillet 2011 09:35:46 HAEC > _Destinataire:_ [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > _Objet:_ _[hibernate-announce] Java 7 and Hibernate Search_ > > Hi everyone, > > A severe optimization bug in Java 7 is affecting the Apache Lucene project > which is heavily used by Hibernate Search. If you are using any version of > Hibernate Search and contemplate using Java 7, please read. > > In one line: do not use or you might get index corruption and VM crashes. > > Some details > > - a loop optimization bug is present in Java 7 > - it can lead to either crash or index corruption when running Hibernate > Search > - Oracle is aware of the problem and is working for a fix for update 2 (and > maybe update 1) > - this bug also affect Java 6 VMs assuming you use some VM optimization > options (-XX:+OptimizeStringConcat or > -XX:+AggressiveOpts) > > A very nice and detailed explanation of the problem by Uwe from Lucene fame > can be found at [http://markmail.org/thread/kulrw4sm2nsshrta](http://markmail.org/thread/kulrw4sm2nsshrta) > [http://markmail.org/thread/kulrw4sm2nsshrta](http://markmail.org/thread/kulrw4sm2nsshrta) > > We are tracking the problem at > [https://hibernate.onjira.com/browse/HSEARCH-820](https://hibernate.onjira.com/browse/HSEARCH-820) > [https://hibernate.onjira.com/browse/HSEARCH-820](https://hibernate.onjira.com/browse/HSEARCH-820) > > Emmanuel > > PS: many kudos to the Lucene community for being so open and reactive > > * * * > > hibernate-announce mailing list > [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > [hibernate-announce - Jboss List Archives](https://lists.jboss.org/mailman/listinfo/hibernate-announce) ---
**Author:** ![Lukas\_Vlcek1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lukas_vlcek1/32/819_2.png) [@Lukas\_Vlcek1](https://discuss.elastic.co/u/Lukas_Vlcek1)\ **Post date:** [July 29, 2011, 8:16am UTC](https://discuss.elastic.co/t/fwd-hibernate-announce-java-7-and-hibernate-search/4996/3 "2011-07-29T08:16:19Z")
Hey Shay, Does it mean that ES versions based on Lucene 3.3 does not suffer no matter which JVM version they are running on? Rgds, Lukas Dne 29.7.2011 10:12 "Shay Banon" [kimchy@gmail.com](mailto:kimchy@gmail.com) napsal(a): > Heya, > > Yea, I was just writing this email to the mailing list as well... . Note, > the index corruption only affects Lucene trunk. > > -shay.banon > > On Fri, Jul 29, 2011 at 11:09 AM, David Pilato [david@pilato.fr](mailto:david@pilato.fr) wrote: > > > Do we will have the sames issues with ES ? > > > > David 😉 > > > > DĂ©but du message transfĂ©rĂ© : > > > > _ExpĂ©diteur:_ Emmanuel Bernard [emmanuel@hibernate.org](mailto:emmanuel@hibernate.org) > > _Date:_ 29 juillet 2011 09:35:46 HAEC > > _Destinataire:_ [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > > [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > > _Objet:_ _[hibernate-announce] Java 7 and Hibernate Search_ > > > > Hi everyone, > > > > A severe optimization bug in Java 7 is affecting the Apache Lucene > > project > > which is heavily used by Hibernate Search. If you are using any version > > of > > Hibernate Search and contemplate using Java 7, please read. > > > > In one line: do not use or you might get index corruption and VM crashes. > > > > Some details > > > > - a loop optimization bug is present in Java 7 > > - it can lead to either crash or index corruption when running Hibernate > > Search > > - Oracle is aware of the problem and is working for a fix for update 2 > > (and > > maybe update 1) > > - this bug also affect Java 6 VMs assuming you use some VM optimization > > options (-XX:+OptimizeStringConcat or > > -XX:+AggressiveOpts) > > > > A very nice and detailed explanation of the problem by Uwe from Lucene > > fame > > can be found at [http://markmail.org/thread/kulrw4sm2nsshrta](http://markmail.org/thread/kulrw4sm2nsshrta) > > [http://markmail.org/thread/kulrw4sm2nsshrta](http://markmail.org/thread/kulrw4sm2nsshrta) > > > > We are tracking the problem at > > [https://hibernate.onjira.com/browse/HSEARCH-820](https://hibernate.onjira.com/browse/HSEARCH-820) > > [https://hibernate.onjira.com/browse/HSEARCH-820](https://hibernate.onjira.com/browse/HSEARCH-820) > > > > Emmanuel > > > > PS: many kudos to the Lucene community for being so open and reactive > > > > * * * > > > > hibernate-announce mailing list > > [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > > [hibernate-announce - Jboss List Archives](https://lists.jboss.org/mailman/listinfo/hibernate-announce) ---
**Author:** ![kimchy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kimchy/32/44952_2.png) [@kimchy](https://discuss.elastic.co/u/kimchy)\ **Post date:** [July 29, 2011, 8:18am UTC](https://discuss.elastic.co/t/fwd-hibernate-announce-java-7-and-hibernate-search/4996/4 "2011-07-29T08:18:36Z")
There is definitely a problem with the porter stemmer (sigserv), my comment was about index corruption. On Fri, Jul 29, 2011 at 11:16 AM, LukĂĄĆĄ Vlček [lukas.vlcek@gmail.com](mailto:lukas.vlcek@gmail.com) wrote: > Hey Shay, > Does it mean that ES versions based on Lucene 3.3 does not suffer no matter > which JVM version they are running on? > Rgds, > Lukas > Dne 29.7.2011 10:12 "Shay Banon" [kimchy@gmail.com](mailto:kimchy@gmail.com) napsal(a): > > > Heya, > > > > Yea, I was just writing this email to the mailing list as well... . Note, > > the index corruption only affects Lucene trunk. > > > > -shay.banon > > > > On Fri, Jul 29, 2011 at 11:09 AM, David Pilato [david@pilato.fr](mailto:david@pilato.fr) wrote: > > > > > Do we will have the sames issues with ES ? > > > > > > David 😉 > > > > > > DĂ©but du message transfĂ©rĂ© : > > > > > > _ExpĂ©diteur:_ Emmanuel Bernard [emmanuel@hibernate.org](mailto:emmanuel@hibernate.org) > > > _Date:_ 29 juillet 2011 09:35:46 HAEC > > > _Destinataire:_ [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > > > [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > > > _Objet:_ _[hibernate-announce] Java 7 and Hibernate Search_ > > > > > > Hi everyone, > > > > > > A severe optimization bug in Java 7 is affecting the Apache Lucene > > > project > > > which is heavily used by Hibernate Search. If you are using any version > > > of > > > Hibernate Search and contemplate using Java 7, please read. > > > > > > In one line: do not use or you might get index corruption and VM > > > crashes. > > > > > > Some details > > > > > > - a loop optimization bug is present in Java 7 > > > - it can lead to either crash or index corruption when running Hibernate > > > Search > > > - Oracle is aware of the problem and is working for a fix for update 2 > > > (and > > > maybe update 1) > > > - this bug also affect Java 6 VMs assuming you use some VM optimization > > > options (-XX:+OptimizeStringConcat or > > > -XX:+AggressiveOpts) > > > > > > A very nice and detailed explanation of the problem by Uwe from Lucene > > > fame > > > can be found at [http://markmail.org/thread/kulrw4sm2nsshrta](http://markmail.org/thread/kulrw4sm2nsshrta) > > > [http://markmail.org/thread/kulrw4sm2nsshrta](http://markmail.org/thread/kulrw4sm2nsshrta) > > > > > > We are tracking the problem at > > > [https://hibernate.onjira.com/browse/HSEARCH-820](https://hibernate.onjira.com/browse/HSEARCH-820) > > > [https://hibernate.onjira.com/browse/HSEARCH-820](https://hibernate.onjira.com/browse/HSEARCH-820) > > > > > > Emmanuel > > > > > > PS: many kudos to the Lucene community for being so open and reactive > > > > > > * * * > > > > > > hibernate-announce mailing list > > > [hibernate-announce@lists.jboss.org](mailto:hibernate-announce@lists.jboss.org) > > > [hibernate-announce - Jboss List Archives](https://lists.jboss.org/mailman/listinfo/hibernate-announce) ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 3:58am UTC](https://discuss.elastic.co/t/fwd-hibernate-announce-java-7-and-hibernate-search/4996/5 "2017-07-06T03:58:52Z")