Error

message:

java.lang.Exception: virtuoso.jdbc4.VirtuosoException: Wrong port number : For input string: "${DB_PORT}"

stack trace:

java.lang.Exception: virtuoso.jdbc4.VirtuosoException: Wrong port number : For input string: "${DB_PORT}"
      at eionet.doc.DocumentationDAO.getDocObject(DocumentationDAO.java:70)
      at eionet.doc.DocumentationService.view(DocumentationService.java:47)
      at eionet.cr.web.action.DocumentationActionBean.view(DocumentationActionBean.java:57)
      at sun.reflect.GeneratedMethodAccessor581.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at net.sourceforge.stripes.controller.DispatcherHelper$6.intercept(DispatcherHelper.java:467)
      at net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:158)
      at eionet.cr.web.interceptor.ActionEventInterceptor.intercept(ActionEventInterceptor.java:92)
      at net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)
      at net.sourceforge.stripes.controller.BeforeAfterMethodInterceptor.intercept(BeforeAfterMethodInterceptor.java:113)
      at net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)
      at net.sourceforge.stripes.controller.ExecutionContext.wrap(ExecutionContext.java:74)
      at net.sourceforge.stripes.controller.DispatcherHelper.invokeEventHandler(DispatcherHelper.java:465)
      at net.sourceforge.stripes.controller.DispatcherServlet.invokeEventHandler(DispatcherServlet.java:278)
      at net.sourceforge.stripes.controller.DispatcherServlet.service(DispatcherServlet.java:160)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at net.sourceforge.stripes.controller.StripesFilter.doFilter(StripesFilter.java:247)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
      at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
      at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
      at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
      at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
      at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
      at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
      at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
      at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
      at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
      at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
      at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
      at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      at java.lang.Thread.run(Thread.java:748)
Caused by: virtuoso.jdbc4.VirtuosoException: Wrong port number : For input string: "${DB_PORT}"
      at virtuoso.jdbc4.VirtuosoConnection$VhostRec.<init>(VirtuosoConnection.java:66)
      at virtuoso.jdbc4.VirtuosoConnection.parse_vhost(VirtuosoConnection.java:110)
      at virtuoso.jdbc4.VirtuosoConnection.<init>(VirtuosoConnection.java:125)
      at virtuoso.jdbc4.Driver.connect(Driver.java:58)
      at java.sql.DriverManager.getConnection(DriverManager.java:664)
      at java.sql.DriverManager.getConnection(DriverManager.java:247)
      at eionet.doc.DocumentationDAO.getSQLConnection(DocumentationDAO.java:41)
      at eionet.doc.DocumentationDAO.getDocObject(DocumentationDAO.java:59)
      ... 41 more