Description of problem:

Not possible to launch ESM gui. 

OutOfMemoryError seen in rhq-server logs. 


2016-10-20 16:22:49,035 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/jboss-remoting-servlet-invoker].[ServerInvokerServlet]] (http-/0.0.0.0:7080-46) JBWEB000236: Servlet.service() for servlet ServerInvokerServlet threw exception: java.lang.OutOfMemoryError: Java heap space

2016-10-20 16:23:13,256 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/jboss-remoting-servlet-invoker].[ServerInvokerServlet]] (http-/0.0.0.0:7080-26) JBWEB000236: Servlet.service() for servlet ServerInvokerServlet threw exception: java.lang.OutOfMemoryError: Java heap space

2016-10-20 16:24:45,785 ERROR [org.jboss.as.ejb3] (EJB default - 5) javax.ejb.EJBTransactionRolledbackException: Unexpected Error 


[root@ms ddc_data]# ps -ef | grep postgresql 
postgres  2240     1  0 14:00 ?        00:00:00 /usr/bin/postmaster -p 5432 -D /var/mano/esm-data/postgresql-data
root      3717  3704  0 16:08 pts/1    00:00:00 grep postgresql
[root@ms ddc_data]# 
[root@ms ddc_data]# 
[root@ms ddc_data]# service rhq-server status 
16:08:56,718 INFO  [org.jboss.modules] JBoss Modules version 1.3.0.Final-redhat-2
RHQ Server                     (pid 25354  ) is running
JBossAS Java VM child process  (pid 25488  ) is running
RHQ Agent                      (pid 2610   ) is running 
[root@ms ddc_data]#  
Version-Release number of selected component (if applicable):


How reproducible:
Reproducible by its own.

Steps to Reproduce:
 

Actual results:
Out of memory issues seen in logs 

Expected results:


Additional info:
Rebooted the server, but the issue is seen again in one hour