[prponnal]

I’m trying to modify the sample to use TABLE generation strategy for Id field by adding the following code to the Entity bean Post.

// Property accessors
@Id
@TableGenerator(
name=”id_gen”,
table=”POST_SEQ_GEN”,
schema=”MYBLOG”,
pkColumnName=”ID”,
valueColumnName=”NEXT_SEQ_NUM”,
pkColumnValue=”101″,
allocationSize=1)
@GeneratedValue(generator=”id_gen”)
@Column(name = “ID”, unique = true, nullable = false, insertable = true, updatable = true)
public Integer getId() {
return this.id;
}

I define a table called POST_SEQ_GEN as follows:

create table “MYBLOG”.”POST_SEQ_GEN”(
“ID” INTEGER not null,
“NEXT_SEQ_NUM” INTEGER not null,
constraint “SQL070512055014131” primary key (“ID”)
);
create unique index “SQL081019020022990” on “MYBLOG”.”POST_SEQ_GEN”(“ID”);

I inserted values 101,1020 into the table POST_SEQ_GEN.

When I run the sample, I see the following exception which I am not sure what it is about.

exception

javax.servlet.ServletException
javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)

root cause

java.lang.NoClassDefFoundError
com.myeclipseide.examples.myblog.jsf.PostController.saveCurrentPost(PostController.java:113)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.apache.el.parser.AstValue.invoke(AstValue.java:131)
org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
javax.faces.component.UICommand.broadcast(UICommand.java:383)
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java

I generated entity for the new table as well, that did not help.
Any ideas as to what could be wrong?

thanks

[Loyal Water]

Moving to Off Topic >> Software Development.

[Loyal Water]

You need to have 1 entity per table, and it looks like you created a POST_SEQ_GEN table that you most likely need to rev-gen, hence the ClassNotFoundException.

[Author]

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