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Unexpected error (Error retrieving fuenteRsss list) - org.hibernate.exception.JDBCConnectionException:Cannot open connection

org.hibernate.exception.JDBCConnectionException: Cannot open connection at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:74) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426) at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547) at org.hibernate.loader.Loader.doQuery(Loader.java:673) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) at org.hibernate.loader.Loader.doList(Loader.java:2213) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104) at org.hibernate.loader.Loader.list(Loader.java:2099) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378) at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338) at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121) at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79) at com.edge.webguide.session.TgidFuenteRssManagement$3.perform(TgidFuenteRssManagement.java:110) at com.edge.webguide.session.TgidOperadorManagement.showBasicInfo(TgidOperadorManagement.java:548) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.leaf.xml.HibernateSource.getSource(HibernateSource.java:309) at org.leaf.xml.HibernateSource.getXMLSource(HibernateSource.java:409) at org.leaf.XMLOperation.addXMLSources(XMLOperation.java:589) at org.leaf.XMLOperation._getXMLSource(XMLOperation.java:468) at org.leaf.XMLOperation._getXMLSource(XMLOperation.java:419) at org.leaf.XMLOperation.perform(XMLOperation.java:273) at org.leaf.LEAFManager.doOperacion(LEAFManager.java:863) at org.leaf.LEAFManager.doGet(LEAFManager.java:265) at javax.servlet.http.HttpServlet.service(HttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:91) at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:103) at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:97) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:266) at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:280) at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:108) at org.leaf.util.HttpUtil.redirect(HttpUtil.java:247) at org.leaf.util.HttpUtil.redirect(HttpUtil.java:301) at org.leaf.util.HttpUtil.redirect(HttpUtil.java:271) at org.leaf.JSPOperation.perform(JSPOperation.java:80) at org.leaf.LEAFManager.doOperacion(LEAFManager.java:863) at org.leaf.LEAFManager.doGet(LEAFManager.java:265) at javax.servlet.http.HttpServlet.service(HttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:91) at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:103) at org.leaf.filters.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:100) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at org.leaf.filters.LocaleSetterFilter.doFilter(LocaleSetterFilter.java:161) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:181) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:266) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:269) at com.caucho.server.port.TcpConnection.run(TcpConnection.java:603) at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:721) at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:643) at java.lang.Thread.run(Thread.java:619) Caused by: java.sql.SQLException: The database is already in use by another process: attempt to connect while db opening /closing at org.hsqldb.jdbc.Util.sqlException(Unknown Source) at org.hsqldb.jdbc.jdbcConnection.<init>(Unknown Source) at org.hsqldb.jdbcDriver.getConnection(Unknown Source) at org.hsqldb.jdbcDriver.connect(Unknown Source) at com.caucho.sql.DriverConfig.createDriverConnection(DriverConfig.java:630) at com.caucho.sql.ManagedConnectionImpl.initDriverConnection(ManagedConnectionImpl.java:254) at com.caucho.sql.ManagedConnectionImpl.<init>(ManagedConnectionImpl.java:141) at com.caucho.sql.ManagedFactoryImpl.createManagedConnection(ManagedFactoryImpl.java:139) at com.caucho.jca.ConnectionPool.create(ConnectionPool.java:911) at com.caucho.jca.ConnectionPool.allocatePool(ConnectionPool.java:780) at com.caucho.jca.ConnectionPool.allocate(ConnectionPool.java:741) at com.caucho.jca.ConnectionPool.allocateConnection(ConnectionPool.java:552) at com.caucho.sql.DataSourceImpl.getConnection(DataSourceImpl.java:65) at com.caucho.sql.DBPool.getConnection(DBPool.java:701) at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) ... 54 more

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