Hi, everyone -
Could someone please help me to get Tomcat 8.0.14 to find my web apps???
I am trying to upgrade a server from Tomcat 6.x to Tomcat 8.0.14 on Linux.
Tomcat does not seem to build the path to the directory containing my web app
correctly.
The server.xml I have been using for Tomcat 6.x is NOT working with Tomcat
8.0.14. (Yes, I know that it is not recommended to put Contexts in server.xml,
but I have no choice about that.)
I believe I am using appBase and docBase correctly, but when I start Tomcat I
get a series of exceptions that indicate that the directory cannot be found.
(Did things change between Tomcat 6 and Tomcat 8?)
My $CATALINA_HOME is set to /usr/local/tomcat
/usr/local/tomcat is a symbolic link to /usr/local/tomcat8
/user/local/tomcat8 is a symbolic link to /usr/local/apache-tomcat-8.0.14
In my <Host> element in my server.xml, I have appBase=""
In my <Context> element in my <Host> element, I have docBase="ip"
My webapps directory is in $CATALINA_HOME:
/usr/local/apache-tomcat-8.0.14/webapps
The directory "ip" containing the web app is in $CATALINA_HOME/webapps:
/usr/local/apache-tomcat-8.0.14/webapps/ip
If appBase="" then it's supposed to default to $CATALINA_BASE/webapps, correct?
And if CATALINA_BASE is not set, CATALINA_HOME is supposed to be used, no? (I
tried setting CATALINA_BASE to the same value but that did not help.)
>From the 8.0.14 docs:
appBase
=======
The Application Base directory for this virtual host. This is the
pathname of a directory that may contain
web applications to be deployed on this virtual host. You may specify
an absolute pathname, or a pathname
that is relative to the $CATALINA_BASE directory. See Automatic
Application Deployment for more information
on automatic recognition and deployment of web applications. If not
specified, the default of webapps will
be used.
For a given <Context>, if the docBase does not begin with "/", then the given
value is supposed to be relative to the appBase of the <Host>. Am I right?
>From the 8.0.14 docs:
docBase
=======
The Document Base (also known as the Context Root) directory for this
web application, or the pathname to
the web application archive file (if this web application is being
executed directly from the WAR file).
You may specify an absolute pathname for this directory or WAR file, or
a pathname that is relative to the
appBase directory of the owning Host.
The value of this field must not be set unless the Context element is
defined in server.xml or the docBase
is not located under the Host's appBase.
If a symbolic link is used for docBase then changes to the symbolic
link will only be effective after a
Tomcat restart or by undeploying and redeploying the context. A context
reload is not sufficient.
Would someone please help me to understand what is going wrong?
Here is the stack trace from catalina.out:
=========================================
(NOTICE that is lists "/usr/local/tomcat8/ip" as the "main resource set"!!!
Why isn't "webapps" in there???)
Nov 19, 2014 5:31:24 PM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container failed during start
java.util.concurrent.ExecutionException:
org.apache.catalina.LifecycleException: Failed to start component
[StandardEngine[Tomcat-Standalone].StandardHost[localhost].StandardContext[/ip]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at
org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
at
org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:868)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: Failed to start component
[StandardEngine[Tomcat-Standalone].StandardHost[localhost].StandardContext[/ip]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
... 6 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component
[org.apache.catalina.webresources.StandardRoot@7e40b4e2]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at
org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4900)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5029)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 6 more
Caused by: java.lang.IllegalArgumentException: The main resource set specified
[/usr/local/tomcat8/ip] is not valid
at
org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:665)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 9 more
Thank you!
---Mark
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