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65

system exception occurred during an invocation on EJB GuestDao

) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160) at org.apache.catalina.core.StandardPipeline
61

UserException - Object User#2 belongs to another EntityManager

.p1.User#2' belongs to another EntityManager at org.apache.openejb.core.ivm.BaseEjbProxyHandler.convertException(BaseEjbProxyHandler.java:363) at org.apache.openejb.core.ivm.BaseEjbProxyHandler ... (Method.java:601) at org.apache.webbeans.intercept.InvocationContextImpl.proceedCommonAnnots
54

PersistenceException UserException: Failed to validate persistence.xml

.odb" after trying the following discovered implementations: org.apache.openjpa.persistence.PersistenceProviderImpl, com.objectdb.jpa.Provider from provider: com.objectdb.jpa.Provider at org.apache ... :108) at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:68
45

BeanCreationException in spring data JPA with objectDB

(Jetty6RunMojo.java:184) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153
45

Database is erased after deploying a new web application version

.ServletContainer.service(ServletContainer.java:221) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter
44

Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager

.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344) at org.apache.catalina ... .monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) at org.apache.catalina.core
43

How to Use a SF with extended Persistence Context?

Web Services - Stack CXF Server 4.0.2.GA 13:52:02,331 INFO [org.apache.coyote.http11.Http11Protocol ... (HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final] at org.apache.catalina ... .jar:] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248
42

Problem upgrading

.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.websocket.server
41

UTF Error

.FacesServlet.service(FacesServlet.java:451) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1637) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:259) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java
2

Step 1: Create a Web Project

We start by creating a new NetBeans Web Application Project: Open the [New Project] dialog box, e.g. by using File > New Project... Select Java Web > Web Application and click Next. Choose a Project Name (e.g. Guestbook) and click Next. Select Apache Tomcat 6 as the Server. Note

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

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