[28035] Error with a GPRS connection

Hi to all,
We always have this problem using GPRS connection calling the sync web service with HTTPS protocol whereas HTTP is always functionning (on both mode : GPRS/wired).
System.Data.SqlServerCe.SqlCeError: Internal error: HTTP header information is either corrupted or missing in the transport message. It could be a network transmission error or an IIS problem.<u5:p></u5:p>
\tError Code =28035<u5:p></u5:p>
\tHResult = -2147012746
Technical informations:
PDA on Windows Mobile 6.5
SQL CE 3.5 SP2
Device : Motorola MC 65/55
SQL Server 2008 R2
We believe that the reverse proxy is involved because when the PDA is using wired connection, no reverse proxy is used because we are already in the company network. Indeed:
GPRS mode : PDA <-> firewall <-> RP <-> Web servers <-> SQL Servers
Wired mode : PDA <-> Web server <-> SQL Servers
Didier.

Nothing concrete, other than what bing can find:
http://dbaspot.com/ms-sqlserver/216339-error-28035-header-information-either-corrupted-only-gprs-internet-works-why.html
Please mark as answer, if this was it. Visit my SQL Server Compact blog http://erikej.blogspot.com

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crystal reports gets a database connection in one jsp page, then tries to use it on another jsp/servlet


Jboss safety check:
Jboss/tomcat new comes configured out-of-the-box with a 'cached connection
manager', which


"Check[s] for unclosed connections and transaction terminated checks in servlets/jsps."


 Summary


In short, if a servlet/jsp ends and it leaves a database connection open, Jboss will automatically close it.




Workaround: 
Comment out two entries in these two files:


1) conf/jboss4/pe/deploy/jboss-web.deployer/server.xml


2) conf/jboss4/pe/deploy/jboss-web.deployer/META-INF/jboss-service.xml


The two entries:




1)


 <Valve className="org.jboss.web.tomcat.service.jca.CachedConnectionValve" 
 cachedConnectionManagerObjectName="jboss.jca:service=CachedConnectionManager" 
 transactionManagerObjectName="jboss:service=TransactionManager" /> 


2)


 <depends>jboss.jca:service=CachedConnectionManager</depends> 




Comments on the workaround


The 'cached connection manager' basically makes sure that the application cleans up after bad programmers. It seems most helpful in development, load testing, or trouble shooting.


In production, you can likely comment them out with minimal
impact on the application.

[28035] Error with a GPRS connection

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