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Problem with JPA under TOMCAT

 
fabianoSouza Souza
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posted 14 years ago
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Hello,, I have a small application that uses JSF and JPA with hibernate... when I run this app as stand alone app everithing goes fine... the problem happens when I run this app in TOMCAT.. I believe there should be some special config to run JPA under TOMCAT..

If someone knows anything about.. would apreciate..

here is my persistence.xml


this class return an entity manager


this is my ManagedBean


When I run this class everything works fine


but I get error when I run from JSF code under TOMCAT


Error:

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception

root cause

java.lang.NoClassDefFoundError: javax/persistence/Persistence
br.com.devmedia.entity.JpaUtil.<init>(JpaUtil.java:13)
br.com.devmedia.entity.JpaUtil.getInstance(JpaUtil.java:1
br.com.devmedia.faces.FirstJsfandjpa.<init>(FirstJsfandjpa.java:16)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
java.lang.Class.newInstance0(Class.java:355)
java.lang.Class.newInstance(Class.java:30
com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:185)
com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:105)
com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:36
com.sun.faces.mgbean.BeanManager.create(BeanManager.java:222)
com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:86)
javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)
com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:61)
org.apache.el.parser.AstValue.getValue(AstValue.java:107)
org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:101)
javax.faces.component.UIData.getValue(UIData.java:614)
javax.faces.component.UIData.getDataModel(UIData.java:1129)
javax.faces.component.UIData.setRowIndex(UIData.java:451)
com.sun.faces.renderkit.html_basic.TableRenderer.encodeBegin(TableRenderer.java:77)
javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:813)
javax.faces.component.UIData.encodeBegin(UIData.java:967)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:92
javax.faces.component.UIComponent.encodeAll(UIComponent.java:933)
com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:266)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:197)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
 
Tim Holloway
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posted 14 years ago
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Your stacktrace seems to be indicating that the JPA api jar isn't in the application's classpath. Do you have a copy of the persistence-api JAR in your WEB-INF/lib directory?

The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.

You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.

 
fabianoSouza Souza
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posted 14 years ago
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Hello Tim.. thanks for the reply... I'm using eclipse IDE and all jars is in app classpath... but I found out that the jars from hibernate should be stored into tomcat lib folder... I just put a copy of hibernate jars into tomcat lib and everything is working...

thanks!

Fabiano
 
Tim Holloway
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posted 14 years ago
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fabianoSouza Souza wrote:Hello Tim.. thanks for the reply... I'm using eclipse IDE and all jars is in app classpath... but I found out that the jars from hibernate should be stored into tomcat lib folder... I just put a copy of hibernate jars into tomcat lib and everything is working...

thanks!

Fabiano



Who did you find this out from? I don't do that, and I don't have problems. In fact, I'd be more concerned that but putting them in the common library I would have problems. As I indicated in a recent posting here, most jars aren't written to be sharable across multiple apps. Although certainly, JPA itself is a good candidate, since it's a core component in the JEE 5 spec.

The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.

You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.

 
fabianoSouza Souza
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Posts: 10
posted 14 years ago
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well.. I agree with you.. and I don't know why my app needs hibernate jars into tomcat lib.. it is strange
 
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