Oops, I forgot that particular call was added in a 2.5.1 hotfix or also exists in 2.6. If you comment out that line, you still see the sequenceInfo above which should provide the info you need.
Jeff From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Geoffrey Sent: Tuesday, August 12, 2008 8:16 AM To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: DataServiceException What version of LCDS was this written for? I can't seem to resolve "seq.getItemInfo()" with my 2.5.1 jars. --- In flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com>, Jeff Vroom <[EMAIL PROTECTED]> wrote: > > Yeah, it should be calling any fill methods which are still actively managed by clients in that "refreshFill" call - as long as you have autoSync=true. There are a couple of ways to track this down: > > > 1) Put in this printSeq.jsp file (enclosed below) and request it. It will show you all active fills, etc. If that is empty, somehow the client's fill is not auto-sync'd. > > 2) If you turn on the Service.* debug target it should at least indicate which fills it is trying to refresh. > > Jeff > > ----- printSeqs.jsp: > <%@ page import="flex.data.SequenceManager" %> > <%@ page import="flex.messaging.MessageBroker"%> > <%@ page import="flex.data.DataService"%> > <%@ page import="flex.data.DataDestination"%> > <%@ page import="java.util.Map"%> > <%@ page import="java.util.List"%> > <%@ page import="java.util.Iterator"%> > <body> > <code> > > <% > MessageBroker mb = MessageBroker.getMessageBroker(null); > > DataService ds = (DataService) mb.getServiceByType("flex.data.DataService"); > if (ds == null) > out.print("no data service"); > else > { > Map dests = ds.getDestinations(); > > for (Iterator it = dests.entrySet().iterator(); it.hasNext(); ) > { > Map.Entry ent = (Map.Entry) it.next(); > > String destName = (String) ent.getKey(); > > DataDestination dest = (DataDestination) ent.getValue(); > SequenceManager seq = dest.getSequenceManager(); > > out.print("Destination: " + destName + "<br>"); > out.print("<pre>SequenceInfo:"); > out.print(seq.getSequenceInfo()); > > out.print("</pre><p><pre>ItemInfo:<br>"); > out.print(seq.getItemInfo()); > out.print("</pre>"); > > out.print("<p>"); > } > } > > %> > > done > </code> > > </body> > > > > From: flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com> > [mailto:flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com>] On Behalf Of Geoffrey > Sent: Wednesday, August 06, 2008 2:16 PM > To: flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com> > Subject: [flexcoders] Re: DataServiceException > > > I pass false to my begin() method and that stops the > DataServiceException from happening, but now nothing seems to happen > after I commit(). Here's a current code snippet: > > DataServiceTransaction dst = DataServiceTransaction.begin(false); > dst.refreshFill("myTasks", null); > dst.commit(); > > The destination parameter for refreshFill(), is that the same string > as the parameter I pass to the DataService constructor in ActionScript > and the name of the <destination> I set up in data-management-config.xml? > (i.e. > __ds = new DataService("myTasks"); > <destination id="myTasks"> > ) > > I would expect to get a hit on the fill() method in my Assembler after > the commit() is called, but I ain't gettin' nut'in. > > Ideas? > > Thanks, > Geoff > > --- In flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>, Jeff Vroom <jvroom@> wrote: > > > > Yeah, I wish this stuff was easier to install and configure. Too > bad this JTA stuff hasn't been picked up by servlet containers as part > of the core. > > > > To help debug this problem, here's the source for a .jsp file which > does the same thing we do. Usually once this works, > DataServiceTransaction.begin(true) will work too: > > > > <%@ page import="javax.transaction.UserTransaction" %> > > <%@ page import="javax.naming.InitialContext" %> > > <%@ page import="javax.naming.Context" %> > > <body> > > > > start<br> > > <% > > try > > { > > Context ctx = new InitialContext(); > > > > String userTransactionJndi = "java:comp/UserTransaction"; > > String userSpecified = System.getProperty("UserTxJndiName"); > > if (userSpecified != null) > > { > > userTransactionJndi = userSpecified; > > } > > UserTransaction userTransaction = (UserTransaction) > ctx.lookup(userTransactionJndi); > > if (userTransaction != null) > > { > > userTransaction.begin(); > > out.println("begin ok!<br>"); > > userTransaction.commit(); > > out.println("commit ok!<br>"); > > } > > else > > { > > out.println("returned null"); > > } > > } > > catch (Exception ne) > > { > > out.println(ne.toString()); > > } > > %> > > > > done > > > > </body> > > > > From: flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com> [mailto:flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>] > On Behalf Of Geoffrey > > Sent: Monday, August 04, 2008 2:51 PM > > To: > > flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com> > > Subject: [flexcoders] Re: DataServiceException > > > > > > I just went through installing/configuring JTA using JOTM(which was > > not as straight forward as the docs say) with Tomcat. > > > > The bummer is that I can't debug into the DataServiceTransaction > > class... no source. > > > > I guess I could try passing "false" to the begin method, but I should > > be able to use JOTM. > > > > BTW, thanks for your help on that other LCDS issue. > > > > --- In > flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>, Jeff > Vroom <jvroom@> wrote: > > > > > > When you create a DataServiceTransaction, especially with "true" so > > it needs to start a JTA transaction, it is look in the JNDI namespace > > for the standard UserTransaction object i.e. new > > InitialContext().lookup("java:comp/UserTransaction"). That call is > > not working... if you are not in a JEE container or Tomcat with JOTM > > installed that would explain it. You can try passing "false" to > > begin and that would avoid use of the JTA transaction manager. > > > > > > Jeff > > > > > > From: > flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com> > [mailto:flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>] > > On Behalf Of Geoffrey > > > Sent: Monday, August 04, 2008 1:31 PM > > > To: flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com> > > > Subject: [flexcoders] DataServiceException > > > > > > > > > I'm trying to create a DataServiceTransaction to push an update out to > > > my DataService clients. I'm getting the below error when it tries to > > > create the DataServiceTransaction. > > > > > > flex.data.DataServiceException: Unable to access UserTransaction in > > > DataService. > > > at > > > > > > flex.data.DataServiceTransaction.doBegin(DataServiceTransaction.java:855) > > > at > > > > flex.data.DataServiceTransaction.begin(DataServiceTransaction.java:807) > > > at > > > > flex.data.DataServiceTransaction.begin(DataServiceTransaction.java:270) > > > at > > > > flex.data.DataServiceTransaction.begin(DataServiceTransaction.java:283) > > > ... > > > > > > My code is: > > > DataServiceTransaction dst = DataServiceTransaction.begin(true); > > > dst.refreshFill("myTasks", null); > > > dst.commit(); > > > > > > Any ideas? > > > Geoff > > > > > >
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