"Could not connect to the database" message when testing Data Base Connection

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Business Productivity > Reporting, Core Infrastructure
• Labels:
  • 7.4-known-issues
  • liferay-ga2-ce-741
  • workflow-board-out
• Fix Priority: 4

Description:
Despite using the correct data base configuration, the "Could not connect to the database" message is shown when testing Data Base Connection.

Steps to Reproduce:

1. Go to Configuration > Reports Admin > Sources
2. Click on "+" button
3. Fill in the form with the data from the "portal-setup-wizard.properties" file
4. Click on Test Data Base Connection

Expected Result:
The system should show the message "You have successfully connected to the database.".

Actual Result:
The system is showing the message "Could not connect to the database. Please verify that the settings are correct.".

Verified on master DXP: c99690fd78f7cc0ddf1bdcf3d02c9872e81d5bde

Stacktrace:

Cannot load JDBC driver class 'com.mysql.cj.jdbc.Driver'
     [exec] java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver
     [exec] 	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
     [exec] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
     [exec] 	at com.liferay.portal.osgi.web.servlet.jsp.compiler.internal.JspBundleClassloader.loadClass(JspBundleClassloader.java:114)
     [exec] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
     [exec] 	at org.apache.commons.dbcp2.BasicDataSource.createConnectionFactory(BasicDataSource.java:1992)
     [exec] 	at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:1897)
     [exec] 	at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1413)
     [exec] 	at com.liferay.portal.reports.engine.console.util.ReportsEngineConsoleUtil.validateJDBCConnection(ReportsEngineConsoleUtil.java:134)
     [exec] 	at org.apache.jsp.admin.data_005fsource.test_005fdatabase_005fconnection_jsp._jspService(test_005fdatabase_005fconnection_jsp.java:289)
     [exec] 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
     [exec] 	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
     [exec] 	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)
     [exec] 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
     [exec] 	at com.liferay.portal.osgi.web.servlet.jsp.compiler.internal.JspServlet.service(JspServlet.java:370)
     [exec] 	at com.liferay.portal.osgi.web.servlet.jsp.compiler.internal.JspServlet.service(JspServlet.java:382)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:153)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:62)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.context.DispatchTargets.doDispatch(DispatchTargets.java:120)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.servlet.RequestDispatcherAdaptor.include(RequestDispatcherAdaptor.java:48)
     [exec] 	at com.liferay.portlet.internal.PortletRequestDispatcherImpl.dispatch(PortletRequestDispatcherImpl.java:291)
     [exec] 	at com.liferay.portlet.internal.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:123)
     [exec] 	at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:571)
     [exec] 	at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:587)
     [exec] 	at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.doDispatch(MVCPortlet.java:461)
     [exec] 	at javax.portlet.GenericPortlet.render(GenericPortlet.java:291)
     [exec] 	at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.render(MVCPortlet.java:303)
     [exec] 	at com.liferay.portal.reports.engine.console.web.internal.admin.portlet.AdminPortlet.render(AdminPortlet.java:115)
     [exec] 	at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:127)
     [exec] 	at com.liferay.portlet.ScriptDataPortletFilter.doFilter(ScriptDataPortletFilter.java:58)
     [exec] 	at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:124)
     [exec] 	at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:71)
     [exec] 	at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:115)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:153)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:62)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.context.DispatchTargets.doDispatch(DispatchTargets.java:120)
     [exec] 	at org.eclipse.equinox.http.servlet.internal.servlet.RequestDispatcherAdaptor.include(RequestDispatcherAdaptor.java:48)
     [exec] 	at com.liferay.portlet.internal.InvokerPortletImpl.invoke(InvokerPortletImpl.java:569)
     [exec] 	at com.liferay.portlet.internal.InvokerPortletImpl.invokeRender(InvokerPortletImpl.java:659)
     [exec] 	at com.liferay.portlet.internal.InvokerPortletImpl.render(InvokerPortletImpl.java:344)
     [exec] 	at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet.lambda$render$0(MonitoringInvokerPortlet.java:259)
     [exec] 	at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet._render(MonitoringInvokerPortlet.java:363)
     [exec] 	at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet.render(MonitoringInvokerPortlet.java:257)
     [exec] 	at org.apache.jsp.html.portal.render_005fportlet_jsp._jspService(render_005fportlet_jsp.java:1432)
     [exec] 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:71)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
     [exec] 	at com.liferay.portal.servlet.DirectRequestDispatcher.include(DirectRequestDispatcher.java:64)
     [exec] 	at com.liferay.portal.servlet.DirectRequestDispatcherFactoryImpl$IndirectRequestDispatcher.include(DirectRequestDispatcherFactoryImpl.java:190)
     [exec] 	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:79)
     [exec] 	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)
     [exec] 	at com.liferay.portal.servlet.TransferHeadersHelperImpl$TransferHeadersRequestDispatcher.include(TransferHeadersHelperImpl.java:162)
     [exec] 	at com.liferay.portlet.internal.PortletContainerImpl._render(PortletContainerImpl.java:908)
     [exec] 	at com.liferay.portlet.internal.PortletContainerImpl.lambda$render$2(PortletContainerImpl.java:223)
     [exec] 	at com.liferay.portlet.internal.PortletContainerImpl._preserveGroupIds(PortletContainerImpl.java:425)
     [exec] 	at com.liferay.portlet.internal.PortletContainerImpl.render(PortletContainerImpl.java:211)
     [exec] 	at com.liferay.portlet.SecurityPortletContainerWrapper.render(SecurityPortletContainerWrapper.java:144)
     [exec] 	at com.liferay.portlet.RestrictPortletContainerWrapper.lambda$render$0(RestrictPortletContainerWrapper.java:124)
     [exec] 	at com.liferay.portlet.RestrictPortletContainerWrapper._render(RestrictPortletContainerWrapper.java:185)
     [exec] 	at com.liferay.portlet.RestrictPortletContainerWrapper.render(RestrictPortletContainerWrapper.java:122)
     [exec] 	at com.liferay.portal.kernel.portlet.PortletContainerUtil.render(PortletContainerUtil.java:214)
     [exec] 	at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:421)
     [exec] 	at com.liferay.portal.action.LayoutAction.execute(LayoutAction.java:173)
     [exec] 	at com.liferay.portal.struts.PortalRequestProcessor._process(PortalRequestProcessor.java:407)
     [exec] 	at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:153)
     [exec] 	at com.liferay.portal.internal.servlet.MainServlet.doGet(MainServlet.java:207)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
     [exec] 	at com.liferay.portal.internal.servlet.MainServlet.service(MainServlet.java:643)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
     [exec] 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
     [exec] 	at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.servlet.filters.lockout.LockoutFilter.processFilter(LockoutFilter.java:58)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:340)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:183)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:104)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
     [exec] 	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:710)
     [exec] 	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:457)
     [exec] 	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:384)
     [exec] 	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)
     [exec] 	at com.liferay.friendly.url.internal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:454)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
     [exec] 	at com.liferay.portal.servlet.ServletAdapter.service(ServletAdapter.java:99)
     [exec] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
     [exec] 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
     [exec] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.servlet.filters.strip.StripFilter.processFilter(StripFilter.java:341)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:368)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.servlet.filters.lockout.LockoutFilter.processFilter(LockoutFilter.java:58)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:340)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:87)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:265)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:88)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:248)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
     [exec] 	at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:183)
     [exec] 	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
     [exec] 	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
     [exec] 	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
     [exec] 	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
     [exec] 	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
     [exec] 	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:389)