Spacewalk的新手，有关在Centos Linux服务器上设置产品的一些问题。

进行了一些挖掘之后，相关的错误消息似乎是：

java.io.IOException: Failed to access resource /WEB-INF/lib/mchange-commons.jar
Caused by: javax.naming.NameNotFoundException: Resource mchange-commons.jar not found

该文件应该存在之前还是在安装过程中自行生成？

下面的设置的完整轨迹

spacewalk-setup
* Setting up SELinux..
** Database: Setting up database connection for PostgreSQL backend.
Database "rhnschema" already exists
The embedded database appears to be already installed. Either rerun
this script with the --skip-db-install option,or use the
'/usr/bin/spacewalk-setup-postgresql remove --db rhnschema --user rhnuser'
script to remove the embedded database and try again.
[root@dub-svrfarm27 ~]# spacewalk-setup --skip-db-install
* Setting up SELinux..
** Database: Setting up database connection for PostgreSQL backend.
** Database: Embedded database installation SKIPPED.
** Database: Populating database.
The Database has schema. Would you like to clear the database [Y]? N
** Database: The database already has schema. Skipping database population.
* Configuring tomcat.
* Setting up users and groups.
** GPG: Initializing GPG and importing key.
* Performing initial configuration.
* Configuring apache SSL virtual host.
Should setup configure apache's default ssl server for you (saves original ssl.conf) [Y]? Y
* Configuring jabberd.
* Creating SSL certificates.
CA certificate password?
You must enter a password.
CA certificate password?
Re-enter CA certificate password?
Cname alias of the machine (comma seperated)?
-snip-
City? Dublin
State? Ireland
Country code (Examples: "US","JP","IN",or type "?" to see a list)? IE
** SSL: Generating CA certificate.
** SSL: Deploying CA certificate.
** SSL: Generating server certificate.
** SSL: Storing SSL certificates.
* Deploying configuration files.
* Update configuration in database.
* Setting up Cobbler..
Cobbler requires tftp and xinetd services be turned on for PXE provisioning functionality. Enable these services [Y]? Y
* Restarting services.
Tomcat failed to start properly or the installer ran out of tries. Please check /var/log/tomcat6/catalina.out or /var/log/tomcat/catalina.$(date +%Y-%m-%d).log for errors.


Error inside logs says

INFO: Starting service Catalina
Nov 07,2019 12:18:08 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.76
Nov 07,2019 12:18:08 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor /etc/tomcat/Catalina/localhost/rhn.xml
Nov 07,2019 12:18:08 PM org.apache.catalina.loader.WebappLoader startInternal
SEVERE: LifecycleException
java.io.IOException: Failed to access resource /WEB-INF/lib/mchange-commons.jar
at org.apache.catalina.loader.WebappLoader.setRepositories(WebappLoader.java:983)
at org.apache.catalina.loader.WebappLoader.startInternal(WebappLoader.java:606)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5508)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:679)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1966)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.Futuretask.run(Futuretask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: javax.naming.NameNotFoundException: Resource mchange-commons.jar not found
at org.apache.naming.resources.BaseDirContext.lookup(BaseDirContext.java:481)
at org.apache.catalina.loader.WebappLoader.setRepositories(WebappLoader.java:981)
... 14 more

Nov 07,2019 12:18:08 PM org.apache.catalina.core.ContainerBase addChildInternal
SEVERE: ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/rhn]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:679)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1966)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.Futuretask.run(Futuretask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [WebappLoader[/rhn]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5508)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 10 more
Caused by: org.apache.catalina.LifecycleException: start:
at org.apache.catalina.loader.WebappLoader.startInternal(WebappLoader.java:632)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 12 more
Caused by: java.io.IOException: Failed to access resource /WEB-INF/lib/mchange-commons.jar
at org.apache.catalina.loader.WebappLoader.setRepositories(WebappLoader.java:983)
at org.apache.catalina.loader.WebappLoader.startInternal(WebappLoader.java:606)
... 13 more
Caused by: javax.naming.NameNotFoundException: Resource mchange-commons.jar not found
at org.apache.naming.resources.BaseDirContext.lookup(BaseDirContext.java:481)
at org.apache.catalina.loader.WebappLoader.setRepositories(WebappLoader.java:981)
... 14 more

Nov 07,2019 12:18:08 PM org.apache.catalina.startup.HostConfig deployDescriptor
SEVERE: Error deploying configuration descriptor /etc/tomcat/Catalina/localhost/rhn.xml
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/rhn]]
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:903)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:679)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1966)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.Futuretask.run(Futuretask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)