TIBCO Spotfire Server crashes and throws "404 File not Found" error when you try to access the server URL in a browser. The following error is seen in catalina.log file:

SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:
 org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Spotfire].StandardHost[localhost].StandardContext[/spotfire]]
...
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@6e89c644]
...
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.JarResourceSet@32b94f15]
...
Caused by: java.lang.IllegalArgumentException: java.util.zip.ZipException: error in opening zip file
 ...
Caused by: java.util.zip.ZipException: error in opening zip file

1. Stop TIBCO Spotfire Server.
2. Check to see if there are any duplicates jar files or custom jars that are not supported and remove them from the following locations:
   • <TIBCO Spotfire Server installation directory>/tomcat/webapps/spotfire/WEB-INF/lib
   • <TIBCO Spotfire Server installation directory>/tomcat/lib
   • For versions 10.3.0 and higher, also check <TIBCO Spotfire Server installation directory>/tomcat/custom-ext
3.  Start TIBCO Spotfire Server.

• https://docs.tibco.com/pub/spotfire_server/10.3.0/doc/html/TIB_sfire_server_tsas_admin_help/GUID-F6E64AF2-0C67-4E04-A373-8A30701C49C8.html

• https://docs.tibco.com/pub/spotfire_server/10.3.0/doc/html/TIB_sfire_server_tsas_admin_help/GUID-F6E64AF2-0C67-4E04-A373-8A30701C49C8.html