Description of problem:
Install environment from RHN, and create jbossews app embedded mysql cartridge. Then update jbosseap package to the version 6.1. Then access the app, show error message:
java.lang.IllegalStateException: No Java compiler available


Version-Release number of selected component (if applicable):
OSE-1.1
http://download.devel.redhat.com/devel/candidates/JBEAP/JBEAP-6.1.0.ER5/rpms/jbappplatform-6-x86_64-server-6-rpm/

How reproducible:
100%

Steps to Reproduce:
1.Deploy jbossews app.
Attach two files: mysql.jsp and mysql-connector-java-5.1.20-bin.jar
(1) Create jbossews and embed mysql cartridge.
(2) Use these command to deploy this app.

cp -rf mysql.jsp ${jbossews_app}/src/main/webapp/ 
mkdir -p ${jbossews_app}/src/main/webapp/WEB-INF/lib 
cp -rf mysql-connector-java-5.1.20-bin.jar ${jbossews_app}/src/main/webapp/WEB-INF/lib 
cd ${jbossews_app}/src/main/webapp/ 
sed -i -e 's/#host/${db_host}/g' mysql.jsp && sed -i -e 's/#port/${db_port}/g' mysql.jsp 
sed -i -e 's/#dbname/${jbossews_app}/g' mysql.jsp 
sed -i -e 's/#user/admin/g' mysql.jsp 
sed -i -e 's/#passwd/${db_passwd}/g' mysql.jsp 
git add . && git commit -amt && git push

2.Access http://jbewsapp-jia.ose11.com/mysql.jsp?action=insert
3.Update jbosseap version 6.0 to version 6.1
4.Restart node
5.Access http://jbewsapp-jia.ose11.com/mysql.jsp?action=insert
  
Actual results:
5.  The page show error:

java.lang.IllegalStateException: No Java compiler available
	org.apache.jasper.JspCompilationContext.createCompiler(JspCompilationContext.java:229)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:584)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:326)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

Expected results:
5. Some info like this:
Gear DNS: jbewsapp-jia.ose11.com
SQL statements:
INSERT INTO info VALUES(NULL, 'This is testing data for testing snapshoting and restoring big data in mysql database.This is testing data for testing snapshoting and restoring big data in mysql database.');
500 records have been inserted into mysql

Additional info: