It looks to me like Tomcat 8.0.14 is trying to use the wrong directory when 
trying to load a web app.

In my server.xml, in my <Host> element, I have name='wapp1_001" and appBase=””. 
 In my <Context> element, I have path=”/src” and docBase=”webapps/src”

I would expect Tomcat to use $TOMCAT_HOME/webapps/src for the /src context, but 
it's not.  It's trying to use $TOMCAT_HOME/src.  Why?

Both TOMCAT_HOME and CATALINA_HOME are set to /usr/local/tomcat, which is a 
symbolic link to /usr/local/tomcat8, which is a symbolic to 
/usr/local/apache-tomcat-8.0.14.

When I use appBase="/usr/local/tomcat/webapps" things work just fine.  Notice 
that "webapps" is now in both appBase and docBase.

When I use appBase="webapps" things work just fine as well.  Notice that 
"webapps" is redundant again.

Buth when I use appBase="" it doesn't work.

The Tomcat 8 configuration docs seem to say that the default for appBase is the 
"webapps" sub-directory of $TOMCAT_HOME, as it always has been.

I have had this same problem on both Windows 7 and Ubuntu Linux.  JDK is 
1.8.0_25 (64-bit) in both cases

Am I missing something here?  Did somethning change between Tomcat 6 and Tomcat 
8.  Or is this a bug in Tomcat 8.0.14?




Here is info from the stack traceback:

java.util.concurrent.ExecutionException: 
org.apache.catalina.LifecycleException: Failed to start component 
[StandardEngine[Tomcat-Standalone].StandardHost[wapp1_001].StandardContext[/src]]
  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[wapp1_001].StandardContext[/src]]
  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@6672f1f2]
  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/apache-tomcat-8.0.14/src] 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
01-19-2015 14:16:03.524 A child container failed during start



I have submitted a bug report for this.

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