Rui, Sorry, I haven't gotten any further with this issue.
Does anyone else on this list have any ideas here? Anyone else encountering this issue on either 1.7.x or 1.8.x, or find a way to resolve it? - Tim On 1/31/2012 6:28 AM, Rui Ramos wrote: > Tim Hi, > > Have you manage to solve this issue ? > I have the same problem and from the logs it seams the Database resets > the connection. > > Dspace - 1.7.2 > PostgreSQL- 8.4.9 > > Any ideias ? > > On Fri, 2011-12-09 at 10:58 -0600, Tim Donohue wrote: >> Actually, looking at these error messages a bit more closely, this may >> be entirely unrelated. It could be an XMLUI specific issue, rather than >> a database layer issue that you are seeing. >> >> - Tim >> >> On 12/9/2011 10:54 AM, Tim Donohue wrote: >> > Hi Mark, >> > >> > Unfortunately, I don't have an answer for you. But, digging around I >> > noticed a similar oddity on demo.dspace.org. On demo.dspace.org we're >> > getting some similar sorts of SocketException errors (though"broken >> > pipe" rather than"socket closed") in the dspace.log files, but these >> > are from the XMLUI. >> > >> > demo.dspace.org is currently running: >> > * DSpace 1.8.0 >> > * PostgreSQL 8.4.2 >> > * Tomcat 6.0.29 >> > * Java 1.6.0_24 >> > >> > The error on demo.dspace.org is a"ClientAbortException: >> > java.net.SocketException: Broken pipe" (in XMLUI), which is caused by an >> > underlying"java.net.SocketException: Broken pipe". Not the same error, >> > but eerily similar. The XMLUI seems to handle it in stride, but it does >> > cause frequent lines like this to appear in the logs: >> > >> > 2011-12-09 10:51:48,663 ERROR >> > org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter @ Serious Error >> > Occurred Processing Request! >> > >> > In the PostgreSQL logs I see some occasional"unexpected EOF on client >> > connection" errors, but the times don't seem to match up with the >> > SocketExceptions above. >> > >> > I'm also seeing these same logged issues on my local development box, >> > now that I look closer. Again, I cannot verify this is 100% related to >> > your same issue, but it does look a bit similar. >> > >> > An example of a full error stack trace from the dspace logs is attached. >> > >> > Sorry I don't have more help to add. Just wanted to send along what I've >> > noticed that seems a bit similar. So far, I haven't noticed this same >> > issue with the packager -- but, admittedly I'm using 1.8.0 (which did >> > include some changes/bug fixes to the packager, though I'm not sure that >> > any were related to this issue). >> > >> > - Tim >> > >> > On 12/9/2011 10:18 AM, Mark H. Wood wrote: >> >> I'm trying to script a daily incremental dump using the packager. >> >> Sometimes it completes, but most often it throws"PSQLException: An I/O >> >> error occurred while sending to the backend" caused by >> >> "java.net.SocketException: Socket closed". About the same time >> >> PostgreSQL logs"unexpected EOF on client connection" and tears down >> >> its session. I turned logging way up on both ends but saw nothing >> >> unusual on the DSpace side and only the unexpected EOF on the Pg side. >> >> >> >> Digging through the Pg log, I see lots of these unexpected EOFs. >> >> Apparently the webapp is getting this too but takes it in stride. >> >> Commandline app.s seem to be less fortunate. >> >> >> >> I captured a packet trace while running my script and can see that the >> >> client is chugging along, making requests and getting responses, then >> >> suddenly the client sends a TCP FIN, ACK packet and that's the end of >> >> that. No Pg shutdown message was sent, so far as I can tell, and >> >> that's why Pg says"unexpected EOF". After fairly rapid exchanges >> >> there's a pause of about 0.8 seconds between the previous packet >> >> (client ACKing the server's last response) and the FIN. >> >> >> >> The Pg backend is v9.0.5. This DSpace instance is v1.7.2. OS is >> >> Gentoo Linux x86 with all current userspace updates and kernel >> >> 2.6.39. JRE is Oracle (Sun) 1.6.0_29-b11. Ideas for debugging this? >> >> >> >> >> >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> >> >> >> Cloud Services Checklist: Pricing and Packaging Optimization >> >> This white paper is intended to serve as a reference, checklist and >> >> point of >> >> discussion for anyone considering optimizing the pricing and packaging >> >> model >> >> of a cloud services business. Read Now! >> >> http://www.accelacomm.com/jaw/sfnl/114/51491232/ >> >> >> >> >> >> >> >> _______________________________________________ >> >> DSpace-tech mailing list >> >> DSpace-tech@lists.sourceforge.net >> >> <mailto:DSpace-tech@lists.sourceforge.net> >> >> https://lists.sourceforge.net/lists/listinfo/dspace-tech >> >> ------------------------------------------------------------------------------ >> Cloud Services Checklist: Pricing and Packaging Optimization >> This white paper is intended to serve as a reference, checklist and point of >> discussion for anyone considering optimizing the pricing and packaging model >> of a cloud services business. Read Now! >> http://www.accelacomm.com/jaw/sfnl/114/51491232/ >> _______________________________________________ >> DSpace-tech mailing list >> DSpace-tech@lists.sourceforge.net <mailto:DSpace-tech@lists.sourceforge.net> >> https://lists.sourceforge.net/lists/listinfo/dspace-tech >> > ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ DSpace-tech mailing list DSpace-tech@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dspace-tech
