IllegalStateException & failed requests

Hi,

We're still using Slide 2.1 with Websphere 5.1 on Solaris
and with J2EE store
and Oracle database.

Sometime, we get some failed requests along the following
exception :

[11/8/06 15:49:40:675 MET]  1906210 WebGroup      E
SRVE0026E: [Servlet
Error]-[webdav]:
com.ibm.ws.webcontainer.webapp.WebAppErrorReport: Internal
Se
rver Error: Service
j2ee_ora(org.apache.slide.store.ExtendedStore&#4
1;
access error : java.lang.IllegalStateException
        at
org.apache.slide.transaction.SlideTransaction.delistResource
(SlideTransaction.java:356)
        at
org.apache.slide.store.AbstractStore.delist(Abstract
Store.java:1574)
        at
org.apache.slide.store.AbstractStore.delist(Abstract
Store.java:1559)
        at
org.apache.slide.store.ExtendedStore.retrieveObject(
ExtendedStore.java:584)
        at
org.apache.slide.structure.StructureImpl.retrieve(St
ructureImpl.java:178)
        at
org.apache.slide.structure.StructureImpl.retrieve(St
ructureImpl.java:160)
        at
org.apache.slide.webdav.method.AbstractWebdavMethod.run&
#40;AbstractWebdavMethod.java:387)
        at
org.apache.slide.webdav.WebdavServlet.service(Webdav
Servlet.java:155)
        at
javax.servlet.http.HttpServlet.service(HttpServlet.j
ava:853)
        at
com.ibm.ws.webcontainer.servlet.StrictServletInstance.doServ
ice(StrictServletInstance.java:110)
... remaining lines shows only webshpere classes

Request / response looks like this :

slide_filter.log:Servlet.Engine.Transports : 354,
08-Nov-2006 15:50:23,
unauthenticated, PUT, 500 "Internal Server Error",
5301 ms,
/xxxxxxxxxxxxx/0000000-00000012905--0000.xml



When we try to run some stress tests we get a lot of failed
requests : With 20k
request we get about 100 failed requests (0.5%)
Our test application just run 20 threads that repeatedly put
small (3kb) files
in different directories.

Any idea ?
Is there a risk of data corruption ?

Thanks,

Eric


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