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An error occurred!
Error message: Unable to perform service

Stack Trace:
Unable to perform service Caused by: org.hibernate.TransactionException: Transaction not successfully started at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:100) at com.omni.services.core.persistence.impl.PersistenceManagerRdbmsImpl.endTransaction(PersistenceManagerRdbmsImpl.java:394) at com.omni.provider.portlet.jsr.PortletServlet.render(PortletServlet.java:513) at com.omni.provider.portlet.jsr.PortletServlet.service(PortletServlet.java:425) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:497) at com.omni.portletcontainer.impl.PortletDispatcherImpl.include(PortletDispatcherImpl.java:188) at com.omni.portletcontainer.impl.PortletDispatcherImpl.service(PortletDispatcherImpl.java:92) at com.omni.portletcontainer.impl.PortletInvoker.service(PortletInvoker.java:54) at com.omni.layout.PortletFrame.doRender(PortletFrame.java:636) at com.omni.layout.PortletColumnLayout.doRender(PortletColumnLayout.java:41) at com.omni.layout.PortletRowLayout.doRender(PortletRowLayout.java:35) at com.omni.layout.PortletTableLayout.doRender(PortletTableLayout.java:299) at com.omni.layout.PortletTab.doRender(PortletTab.java:273) at com.omni.layout.PortletMenu.doRender(PortletMenu.java:88) at com.omni.layout.PortletPage.doRender(PortletPage.java:465) at com.omni.layout.PortletLayoutEngine.service(PortletLayoutEngine.java:183) at com.omni.servlets.OmniServlet.processRequest(OmniServlet.java:309) at com.omni.servlets.OmniServlet.doGet(OmniServlet.java:161) at javax.servlet.http.HttpServlet.service(HttpServlet.java:627) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at com.omni.servlets.OmniFilter.doFilter(OmniFilter.java:285) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at com.tabuktech.mycoid.omniws.web.filter.SimpleTabukFilter.doFilter(SimpleTabukFilter.java:36) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:595)