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57

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
54

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
47

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
40

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
39

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
38

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
37

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
36

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
20

stress test -> com.objectdb.o.InternalException: null

, 2014 9:56:03 AM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service ... ) at com.objectdb.jpa.EMImpl.find(EMImpl.java:536) at org.apache.openejb.persistence.JtaEntityManager ... .java:483) at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke
2

JPA Tutorials

, so you should be able to run it on any servlet container (e.g. Apache Tomcat, Jetty, etc.), as well as

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.

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