Tomcat 7 did not work if I put jenkins.war and nexus.war together

Question

all
I use Tomcat 7. And I have set the 'set CATALINA_OPTS=-Xms2048m -Xmx4096m' into my catalina.sh in tomcat_home/bin folder.
Then I put jenkins.war and nexus.war into webapp/ folder. But I can not access neither of them.
But when I remove the nexus.war, everything works well.
Can you help me ? My jenkins and nexus war file are both the latest.
Thanks
Steven

Here goes the logs:

INFO: Loaded all jobs
6136 Exception in thread "pool-8-thread-2"
6137 Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "pool-8-thread-2"
6138 Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]"
6139 Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "ContainerBackgroundProcessor[StandardEngine[Cata     lina]]"
6140 Exception in thread "pool-8-thread-7"
6141 Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "pool-8-thread-7"
6142 Exception in thread "pool-8-thread-3"
6143 Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "pool-8-thread-3"
6144 Exception in thread "pool-8-thread-6"
6145 Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "pool-8-thread-6"
6146 Exception in thread "pool-8-thread-4"
6147 Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "pool-8-thread-4"
6148 Exception in thread "pool-8-thread-8"
6149 Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "pool-8-thread-8"

Answer 1

You add JAVA_OPTS in your catalina.bat/Catalina.sh

set JAVA_OPTS="-Xms1024m -Xmx10246m -XX:NewSize=256m -XX:MaxNewSize=356m -XX:PermSize=256m -XX:MaxPermSize=356m"

Specify the values based on your machine configuration.