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Struts & Hibernate
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| | | Accessing Different DBs from State less EJB | Accessing Different DBs from State less EJB 2003-11-02 - By ashraf galal
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<html><div style='background-color:'><DIV>
<P>Anil;</P>
<P>you must implement it usaing the abstract factory pattern.</P>
<P>the pattern looks like the following class diagram:</P>
<P><IMG height=469 alt="Figure 9.8" src="http://java.sun.com/blueprints
/corej2eepatterns/Patterns/images09/figure09_08.gif" width=459 align=bottom
border=0 name=Graphic8></P>
<P>I hope this might help you.</P>
<P>Best wishes</P>
<P>Ashraf Galal</P>
<P>EAI Senior Architect <BR>(416)804-8359</P></DIV>
<DIV></DIV>
<DIV></DIV>
<DIV></DIV>
<DIV></DIV>>From: Anil Kumar <ANIL007DC@(protected)>
<DIV></DIV>>Reply-To: An interest list for Sun Java Center J2EE Pattern
Catalog <J2EEPATTERNS-INTEREST@(protected)>
<DIV></DIV>>To: J2EEPATTERNS-INTEREST@(protected)
<DIV></DIV>>Subject: Accessing Different DBs from State less EJB
<DIV></DIV>>Date: Sat, 1 Nov 2003 21:45:41 -0800
<DIV></DIV>>
<DIV></DIV>>Hi,
<DIV></DIV>>
<DIV></DIV>>I had a Stateless session Bean and DAO to access 4 databases.
But as per my requirement I have to get data from different databases one after
other in EJB.
<DIV></DIV>>I am getting data from First DB then when it is trying to create
the statement for second DB its throwing the error.
<DIV></DIV>>
<DIV></DIV>>WTRN0062E: An illegal attempt to use multiple resources that
have only one-phase capability has occurred within a global transaction.
<DIV></DIV>>
<DIV></DIV>>I am using Websphere application server (WSAD) with COM.ibm.db2
.jdbc.app.DB2Driver
<DIV></DIV>>(JDBC 2.0) Database is DB2.
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>>Please help me out
<DIV></DIV>>
<DIV></DIV>>Thanks a lot
<DIV></DIV>>Anil
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>>
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