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34

java.nio.channels.OverlappingFileLockException

.apache.wicket.session.DefaultPageFactory.createPage(DefaultPageFactory.java:192) at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:57) at org.apache.wicket ... ) at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage
33

Replication error - parsing objectdb config

on element 'replication'. at com.sun.org.apache.xerces.internal.jaxp.validation.Util.toSAXParseException(Util.java:109) at com.sun.org.apache.xerces.internal.jaxp.validation.ErrorHandlerAdaptor.error(ErrorHandlerAdaptor.java:104) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter
32

Spring LTW Problem

(TomcatInstrumentableClassLoader.java:118) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2755) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1150) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1645
32

Deploying objectdb.jar to karaf 4.0.7 seems to fail

Hello, I'm evaluating ObjectDB for a future use in an OSGi project using Apache Karaf 4.0.7 ... : 2016-12-02 14:52:34,292 | ERROR | raf-4.0.7/deploy | fileinstall | 4 - org.apache.felix.fileinstall - 3.5.4 | Failed to install artifact: /Users/aweirig/devel/osgi/apache-karaf-4.0.7
31

Is persistence version 2.1 supported?

'persistence'. at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203) at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError
30

JBoss 7 startup fails

Implementation Version 3.0.0.Beta3 13:49:26,596 INFO [org.apache.catalina.core.AprLifecycleListener] (MSC service thread 1-3) The Apache Tomcat Native library which allows optimal performance in ... .1:9999 13:49:27,899 INFO [org.apache.coyote.http11.Http11Protocol] (MSC service thread 1-2
29

Guessbook tutorial: Java EE 6 JPA Tutorial - Maven Project

.HttpServlet.service(HttpServlet.java:770) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org
6

Server crash - Mismatch client-server protocol prefix

:723) at org.apache.jsp.status_jsp._jspService(status_jsp.java:101) at org.apache ... .service(HttpServlet.java:722) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
6

InvalidClassException

(HttpServlet.java:731) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org
6

NullPointerException on TreeSet load

) 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.doFilter(WsFilter.java:53) at org.apache

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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