We seem to have experienced a problem.
> The reasons for this are the following:
  • We are experiencing difficulties with our web site.

Exception message: IO Error: Got minus one from a read call
Exception type: java.sql.SQLRecoverableException
Exception stacktrace: java.sql.SQLRecoverableException: IO Error: Got minus one from a read call at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:458) at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:546) at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:236) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521) at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:280) at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:207) at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPhysicalConnection(OracleConnectionPoolDataSource.java:139) at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPooledConnection(OracleConnectionPoolDataSource.java:88) at oracle.jdbc.pool.OracleImplicitConnectionCache.makeCacheConnection(OracleImplicitConnectionCache.java:1598) at oracle.jdbc.pool.OracleImplicitConnectionCache.makeOneConnection(OracleImplicitConnectionCache.java:515) at oracle.jdbc.pool.OracleImplicitConnectionCache.getCacheConnection(OracleImplicitConnectionCache.java:475) at oracle.jdbc.pool.OracleImplicitConnectionCache.getConnection(OracleImplicitConnectionCache.java:357) at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:395) at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:179) at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:157) at uk.ac.ebi.chebi.utilities.search.dao.OrchemDAO.getConnection(OrchemDAO.java:78) at uk.ac.ebi.chebi.utilities.search.handler.OrchemHandler.search(OrchemHandler.java:52) at uk.ac.ebi.chebi.utilities.search.controller.SearchController.search(SearchController.java:137) at uk.ac.ebi.chebi.webapps.public1.controller.AdvancedSearchFtAction.execute(AdvancedSearchFtAction.java:216) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:203) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:277) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: oracle.net.ns.NetException: Got minus one from a read call at oracle.net.ns.Packet.receive(Packet.java:303) at oracle.net.ns.NSProtocol.connect(NSProtocol.java:296) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1102) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:320) ... 48 more