Hi All,
I think Jun has sorted out this issue. I believe he was doing
something strange in a service/dao class which resulted in inserts new
objects with the same PK as an existing object.
regards Malcolm Edgar
On 1/23/07, Michael Gentry <blacknex..mail.com> wrote:
> I'm not at all familiar with Click or the CayenneForm class it
> provides. A quick Google search lead me to this:
>
> * Fixed CayenneForm duplicate insert bug. This issue was identified by
> Bob Schellink [63]. (Version 0.19 - 8th April 2006)
>
> Are you using at least version 0.19 of Click? I did look at the
> CayenneForm JavaDoc page and it doesn't look like you have to
> create/register your Products object since I think the CayenneForm
> will automatically do that for you. Also, it looks like you may want
> to call saveChanges() on the CayenneForm instead of commitChanges() on
> the DataContext.
>
> Thanks!
>
> /dev/mrg
>
>
> On 1/21/07, Jun Bondoy <dvbondo..mail.com> wrote:
> > Hi Michael,
> >
> > Thanks for the quick response..based on your given code..this is what i did
> > with Click and Cayenne..luckily Click have a PropertySelect that supports
> > Cayenne to-one relationship..so what im trying to test now is the
> > to-many..the only option ive got is to do it manually...can you take a quick
> > look with my short code to see what im missing..ive got a SQLException
> > error, Duplicate Entry..it seems like Cayenne save a new instance of
> > Categories which i dont intend to...thanks in advance.and hey im looking
> > forward for a Cayenne Books..hope you guys release one..im willing to buy
> > one..
> >
> > *******CODES***************************
> > public class ManageProducts extends BorderPage {
> >
> > public CayenneForm form = new CayenneForm("form",Products.class);
> > private QuerySelect query;
> >
> > public ManageProducts(){
> >
> > form.add(new TextField("name"));
> > form.add(new TextField("serial"));
> >
> > query = new QuerySelect("categories.name");
> > query.setQueryValueLabel("FindCategories", "name", "name");
> > form.add(query);
> >
> > form.add(new Submit("save"," Save ",this,"onSaveClick"));
> > }
> >
> > public boolean onSaveClick(){
> > if(form.isValid()){
> > Categories category = getCategoryService().findCategoryByName(
> > query.getValue());
> > Products products = (Products) form.getDataObject();
> >
> > products.setCategories(category);
> >
> > if(category != null){
> > getDataContext().commitChanges();
> > form.clearValues();
> > return true;
> > } else {
> > return false;
> > }
> > } else {
> > return false;
> > }
> >
> > }
> >
> > }
> >
> > ************ERRORS******************************
> >
> > [Click] [debug] Form -> Products.name : preofdkjfk
> > [Click] [debug] Form -> Products.serial : 122837
> > [Click] [debug] Form -> Products.categories.name : Category 2
> > [Click] [error] handleException:
> > org.objectstyle.cayenne.CayenneRuntimeException: [v.1.2.1 September 19 2006]
> > Commit Exception
> > at org.objectstyle.cayenne.access.DataContext.flushToParent(
> > DataContext.java:1289)
> > at org.objectstyle.cayenne.access.DataContext.commitChanges(
> > DataContext.java:1165)
> > at org.russagri.page.inventory.ManageProducts.onSaveClick(
> > ManageProducts.java:40)
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> > at java.lang.reflect.Method.invoke(Unknown Source)
> > at net.sf.click.util.ClickUtils.invokeListener(ClickUtils.java:881)
> > at net.sf.click.control.Field.invokeListener(Field.java:1097)
> > at net.sf.click.control.Submit.onProcess(Submit.java:207)
> > at net.sf.click.control.Form.onProcess(Form.java:1833)
> > at net.sf.click.extras.cayenne.CayenneForm.onProcess(CayenneForm.java
> > :467)
> > at net.sf.click.ClickServlet.processPage(ClickServlet.java:484)
> > at net.sf.click.ClickServlet.handleRequest(ClickServlet.java:357)
> > at net.sf.click.ClickServlet.doPost(ClickServlet.java:302)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> > ApplicationFilterChain.java:252)
> > at org.apache.catalina.core.ApplicationFilterChain.doFilter(
> > ApplicationFilterChain.java:173)
> > at net.sf.click.extras.filter.CompressionFilter.doFilter(
> > CompressionFilter.java:209)
> > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> > ApplicationFilterChain.java:202)
> > at org.apache.catalina.core.ApplicationFilterChain.doFilter(
> > ApplicationFilterChain.java:173)
> > at net.sf.click.extras.cayenne.DataContextFilter.doFilter(
> > DataContextFilter.java:125)
> > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> > ApplicationFilterChain.java:202)
> > at org.apache.catalina.core.ApplicationFilterChain.doFilter(
> > ApplicationFilterChain.java:173)
> > at org.apache.catalina.core.StandardWrapperValve.invoke(
> > StandardWrapperValve.java:213)
> > at org.apache.catalina.core.StandardContextValve.invoke(
> > StandardContextValve.java:178)
> > at org.apache.catalina.core.StandardHostValve.invoke(
> > StandardHostValve.java:126)
> > at org.apache.catalina.valves.ErrorReportValve.invoke(
> > ErrorReportValve.java:105)
> > at org.apache.catalina.core.StandardEngineValve.invoke(
> > StandardEngineValve.java:107)
> > at org.apache.catalina.connector.CoyoteAdapter.service(
> > CoyoteAdapter.java:148)
> > at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
> > :869)
> > at
> > org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
> > (Http11BaseProtocol.java:664)
> > at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
> > PoolTcpEndpoint.java:527)
> > at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
> > LeaderFollowerWorkerThread.java:80)
> > at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> > ThreadPool.java:684)
> > at java.lang.Thread.run(Unknown Source)
> > Caused by: java.sql.SQLException: Duplicate entry 'Category 2' for key 2
> > at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2975)
> > at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1600)
> > at com.mysql.jdbc.ServerPreparedStatement.serverExecute(
> > ServerPreparedStatement.java:1125)
> > at com.mysql.jdbc.ServerPreparedStatement.executeInternal(
> > ServerPreparedStatement.java:677)
> > at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java
> > :1357)
> > at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java
> > :1274)
> > at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java
> > :1259)
> > at
> > org.objectstyle.cayenne.access.jdbc.BatchAction.runAsIndividualQueries(
> > BatchAction.java:224)
> > at org.objectstyle.cayenne.access.jdbc.BatchAction.performAction(
> > BatchAction.java:117)
> > at org.objectstyle.cayenne.access.DataNodeQueryAction.runQuery(
> > DataNodeQueryAction.java:95)
> > at org.objectstyle.cayenne.access.DataNode.performQueries(DataNode.java
> > :309)
> > at org.objectstyle.cayenne.access.DataDomainFlushAction.runQueries(
> > DataDomainFlushAction.java:255)
> > at org.objectstyle.cayenne.access.DataDomainFlushAction.flush(
> > DataDomainFlushAction.java:177)
> > at org.objectstyle.cayenne.access.DataDomain.onSyncFlush(DataDomain.java
> > :830)
> > at org.objectstyle.cayenne.access.DataDomain$2.transform(DataDomain.java
> > :801)
> > at org.objectstyle.cayenne.access.DataDomain.runInTransaction(
> > DataDomain.java:856)
> > at org.objectstyle.cayenne.access.DataDomain.onSync(DataDomain.java:798)
> > at org.objectstyle.cayenne.access.DataContext.flushToParent(
> > DataContext.java:1261)
> > ... 36 more
> > [Click] [info ] renderTemplate: /click/error.htm - 15 ms
> > [Click] [info ] handleRequest: /inventory/manage-products.htm - 1047 ms
> > [Click] [debug] Uncommitted data objects:
> > [Click] [debug] {<ObjectId:Categories, TEMP:0000017ADC440001>; new;
> > [products=>(..); name=>Category 2]}
> > [Click] [debug] {<ObjectId:Products, TEMP:0000007ADC060001>; new;
> > [categories=>{<ObjectId:Categories, id=201>}; name=>preofdkjfk;
> > serial=>122837]}
> >
> >
> > On 1/20/07, Michael Gentry <blacknex..mail.com> wrote:
> > >
> > > When you model the relationships in Cayenne Modeler and then generate
> > > the Java classes, it'll create set* methods and addTo* methods for
> > > your relationships.
> > >
> > > So in your case, something similar to this should work:
> > >
> > > Category category = [code to get your Category object];
> > > Product product = dataContext.createAndRegisterNewObject(Product.class);
> > > product.setCategory(category);
> > > ...
> > >
> > > /dev/mrg
> > >
> > >
> > > On 1/20/07, Jun Bondoy <dvbondo..mail.com> wrote:
> > > > Hi list,
> > > >
> > > > can somebody help me please. i have a products object with to-one
> > > > relationship with my categories object. what i want to do is create a
> > > new
> > > > products and use an existing categories object. below are the steps i
> > > did...
> > > >
> > > > 1. lookup for my existing categories via query
> > > > 2. create a new product object
> > > >
> > > > how can i set the product object on the categories object before i
> > > commit?
> > > >
> > > > thanks in advance..
> > > >
> > > > Best Regards
> > > > -jun
> > > >
> > > >
> > >
> >
> >
>
This archive was generated by hypermail 2.0.0 : Mon Jan 22 2007 - 17:31:13 EST