hi,
i am working in the following environment and everything is ok.
I mean that using the following URL http://localhost/apex I access the apex login page
TomCat 9.0.19
Windows server 2016,
ORDS 19.4 used only for APEX 19.2 on
Oracle Database 18c Standard Edition 2 Release 18.0.0.
Version 18.3.0.0.0
Now I have :
- installed, on the same system (new folder), the new version of tomcat 9.0.30.
- stopped ORDS and tomcat 9.0.19
- copied the same apex.war and the same image folder i used in version 9.0.19 to the webapps folder of the of the new tomcat installation
- restarted ords in the new tomcat
but now using the same URL http://localhost/apex I get the following error

The request could not be mapped to any database. **Check that the request URL is valid and that the database mappings URL has been configured correctl**y..
Stopping ords and the tomcat 9.0.30 service and restarting the tomcat 9.0.19 and ords service is all right again.
what am I doing wrong or missing ?
any help will be appreciated
thank you
saverio
Catalina log_file;
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version name: Apache Tomcat/9.0.30
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Dec 7 2019 16:42:04 UTC
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version number: 9.0.30.0
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows Server 2016
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 10.0
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: C:\Program Files\Java\jre1.8.0_181
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_181-b13
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Program Files\Apache Software Foundation\Tomcat930
08-Jan-2020 18:02:55.453 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: C:\Program Files\Apache Software Foundation\Tomcat930
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=C:\Program Files\Apache Software Foundation\Tomcat930
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Program Files\Apache Software Foundation\Tomcat930
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=C:\Program Files\Apache Software Foundation\Tomcat930\temp
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Program Files\Apache Software Foundation\Tomcat930\conf\logging.properties
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: exit
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: abort
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xms128m
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xmx256m
08-Jan-2020 18:02:55.484 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Apache Software Foundation\Tomcat930\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\Program Files\Java\jre1.8.0_181\bin;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;D:\app\oracle\base\oradba\product\18.0.3\dbhome_1\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft\WindowsApps;.]
08-Jan-2020 18:02:56.562 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-80"]
08-Jan-2020 18:02:56.750 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]
08-Jan-2020 18:02:56.765 INFO [main] org.apache.catalina.startup.Catalina.load Server initialization in [2,037] milliseconds
08-Jan-2020 18:02:56.875 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
08-Jan-2020 18:02:56.875 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/9.0.30]
08-Jan-2020 18:02:56.968 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\apex.war]
08-Jan-2020 18:03:03.562 INFO [main] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
08-Jan-2020 18:03:08.828 INFO [main] . No pools configured yet ?????????
08-Jan-2020 18:03:08.906 INFO [main] . Oracle REST Data Services initialized
Oracle REST Data Services version : 19.4.0.r3521226
Oracle REST Data Services server info: Apache Tomcat/9.0.30
08-Jan-2020 18:03:08.984 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\apex.war] has finished in [12,016] ms
08-Jan-2020 18:03:09.000 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\docs]
08-Jan-2020 18:03:09.031 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\docs] has finished in [31] ms
08-Jan-2020 18:03:09.031 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\host-manager]
08-Jan-2020 18:03:09.125 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\host-manager] has finished in [78] ms
08-Jan-2020 18:03:09.125 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\i]
08-Jan-2020 18:03:09.172 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\i] has finished in [47] ms
08-Jan-2020 18:03:09.172 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\manager]
08-Jan-2020 18:03:09.343 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\manager] has finished in [171] ms
08-Jan-2020 18:03:09.343 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\ROOT]
08-Jan-2020 18:03:09.390 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [C:\Program Files\Apache Software Foundation\Tomcat930\webapps\ROOT] has finished in [47] ms
08-Jan-2020 18:03:09.406 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-80"]
08-Jan-2020 18:03:09.437 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]
08-Jan-2020 18:03:09.437 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [12,683] milliseconds
Added catalina log_file by tirone