AppletTalk.com Java discussions newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  SilverStream server problems          AppletTalk.com Forum Index -> Java Help View previous topic :: View next topic   Author Message Simon Guest Posted: Fri Apr 22, 2005 9:00 pm    Post subject: SilverStream server problems Hi, We've been running one of our web systems using SilverStream. We've had this system for about 4 years and very little code has changed. In the last 3 months the server has been going down and produces a java.lang.OutOfMemoryError exception. Has anyone got any explanation as to why this is happening when little code has changed?? One idea is that one of the function allows users have been adding new records for 4 years and we allow users to find those records and we have now over 130,000 records. The find function allows users to select a criteria to narrow the number of records returned, but could it be they are returning too many records from the database and could that be killing the server??? If anyone has any idea of what else could be causing this then I would appreciate it. Regards Simon Back to top John Guest Posted: Sun Apr 24, 2005 1:51 pm    Post subject: Re: SilverStream server problems Have you tried to retrieve all the results yourself and see if you can crash the server? If yes, and it didn't crash, chances are that the server and the client are communicating using ObjectInput/OutputStream the wrong way and the memory usage increases very fast (especially now that you have more records), and no memory is GC-ed because the references to objects are maintained by the stream controllers. Simon wrote: Quote: Hi, We've been running one of our web systems using SilverStream. We've had this system for about 4 years and very little code has changed. In the last 3 months the server has been going down and produces a java.lang.OutOfMemoryError exception. Has anyone got any explanation as to why this is happening when little code has changed?? One idea is that one of the function allows users have been adding new records for 4 years and we allow users to find those records and we have now over 130,000 records. The find function allows users to select a criteria to narrow the number of records returned, but could it be they are returning too many records from the database and could that be killing the server??? If anyone has any idea of what else could be causing this then I would appreciate it. Regards Simon Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         AppletTalk.com Forum Index -> Java Help All times are GMT Page 1 of 1   Jump to: Select a forum Java Newsgroups----------------Java DiscussionsWeb-based java games comp.lang.java 3D Graphics API's for Java Java: Support and criticism Java System Announcements comp.lang.java.api JavaBeans Java and CORBA Java and Databases comp.lang.java.developer Java GUI Toolkits Java Help comp.lang.java.javascript JVM, native methods and hardware comp.lang.java.misc Java Language Programming Security and Java comp.lang.java.setup Java Software Tools comp.lang.java.tech ibm.software.java.linux  Non-English Java Newsgroups----------------Java Language (German)Language Java (Français)Java (Italian)  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.