A few other things that come to my mind after reading the message:
* What user (and group) is Tomcat running with?
* Did it fail on SuSE 15.0, or only on 15.2?
* How are you starting the Tomcat (initd or systemd)
Felix
Am 21.12.20 um 01:50 schrieb Marc Chamberlin:
> Hello - I am encountering a problem, on OpenSuSE15.0 and on
> OpenSuSE15.2, which suddenly appeared, possibly via an update or
> possibly from me working on Tomcat and doing something that I can't find
> a way to resolve. I am now getting a rather obtuse set of error messages
> for all my webapps, which is coming from a series of stack walk-back
> traces (shown without the actual program trace messages) from the
> Tomcat/Catalina logfile -
>
> 9-Dec-2020 13:47:22.732 SEVERE [main]
> org.apache.catalina.startup.HostConfig.beforeStart Unable to create
> directory for deployment: [/usr/share/tomcat/webapps]
> 19-Dec-2020 13:47:22.734 SEVERE [main]
> org.apache.catalina.core.ContainerBase.startInternal A child container
> failed during start
> java.util.concurrent.ExecutionException:
> org.apache.catalina.LifecycleException: Failed to start component
> [org.apache.catalina.webresources.StandardRoot@704921a5]
> Caused by: org.apache.catalina.LifecycleException: Failed to
> start component [org.apache.catalina.webresources.StandardRoot@704921a5]
> Caused by: java.lang.IllegalArgumentException: The main resource
> set specified [/usr/share/tomcat/webapps] is not valid
>
> The last error message - java.lang.IllegalArgumentException seems to the
> the pertinent one telling me the path /usr/share/tomcat/webapps is not
> valid. Doesn't tell me why it is invalid, sigh, when will programmers
> write decent user friendly error messages which can actually help?
> Anywise, on my system I am guessing that the problem is that this app
> path is actually a double soft link i.e.
>
> quasar:/usr/share/tomcat # ll -d /usr/share/tomcat/webapps
> lrwxrwxrwx 1 root tomcat 19 Jul 12 2019 /usr/share/tomcat/webapps ->
> /srv/tomcat/webapps
>
> quasar:/usr/share/tomcat # ll -d /srv/tomcat/webapps
> lrwxrwxrwx 1 root tomcat 38 Nov 23 14:58 /srv/tomcat/webapps ->
> /websites/home/marc/domain.com
>
> quasar:/usr/share/tomcat # ll -d /websites/home/marc/domain.com/
> drwxrwxr-x 39 marc users 4096 Aug 13 23:52 /websites/home/marc/domain.com/
>
> I did try shortening this to a single soft link but that didn't change
> anything. The only other possibility I can think of is that Tomcat may
> have troubles reaching a file system on a different mount point???
> /webapps/... is on a different disk drive and is a mount point.
>
> These two environment variables are defined in tomcat.conf -
>
> CATALINA_HOME="/usr/share/tomcat"
> CATALINA_BASE="/usr/share/tomcat"
>
> The host declaration for this application, in server.xml, is -
>
> <Host name="localhost" appBase="webapps"
> unpackWARs="true" autoDeploy="true">
> <Valve className="org.apache.catalina.valves.AccessLogValve"
> directory="logs"
> prefix="localhost_access_log." suffix=".txt"
> pattern="%h %l %u %t "%r" %s %b" />
>
> <Context path="" docBase="">
> <Resources allowLinking="true" />
> </Context>
> </Host>
>
> The context.xml file is -
>
> <Context>
> <WatchedResource>WEB-INF/web.xml</WatchedResource>
> <WatchedResource>WEB-INF/tomcat-web.xml</WatchedResource>
> <WatchedResource>${catalina.base}/conf/web.xml</WatchedResource>
>
> <Resources allowLinking="true" />
> </Context>
>
> Sure would appreciate any help offered and thanks in advance. I been
> spending lots of hours trying to noodle this problem out and just not
> getting anywhere! A puzzler is that I had Tomcat working on OpenSuSE
> 15.0 at one time and this error message surfaced when I was trying to
> port Tomcat to OpenSuSE 15.2. I may have done something bad that broke
> Tomcat on OpenSuSE 15.0 but can't remember what I might had done that
> might have broken Tomcat. A couple other tidbits of information that
> might prove helpful -
>
> # tomcat version
>
> Server version: Apache Tomcat/9.0.21
> Server built: Jul 4 2019 12:00:00 UTC
> Server number: 9.0.21.0
> OS Name: Linux
> OS Version: 4.12.14-lp150.12.82-default
> Architecture: amd64
> JVM Version: 1.8.0_222-b10
> JVM Vendor: IcedTea
>
> java -version
> openjdk version "1.8.0_222"
> OpenJDK Runtime Environment (IcedTea 3.13.0) (build 1.8.0_222-b10
> suse-lp150.2.19.1-x86_64)
> OpenJDK 64-Bit Server VM (build 25.222-b10, mixed mode)
>
>
> Thanks, Marc....
>
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