CUBA PLATFORM built Application crushed

I have couple of applications hosted in VPS often crushes that requires restarting tomcat.

Here is the message i get after it is crushed:

     Exception Name: javax.servlet.ServletException <br>
    Exception Message: com.vaadin.server.ServiceException: java.lang.OutOfMemoryError: GC overhead limit exceeded <br>
    Exception stack trace: <br>
    <pre>    javax.servlet.ServletException: com.vaadin.server.ServiceException: java.lang.OutOfMemoryError: GC overhead limit exceeded
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:427)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108)
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74)
	at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1591)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: com.vaadin.server.ServiceException: java.lang.OutOfMemoryError: GC overhead limit exceeded
	at com.vaadin.server.VaadinService.handleExceptionDuringRequest(VaadinService.java:1630)
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1590)
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425)
	... 30 more
Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded

Thanks for suggesting what would be the steps to identify root cause of this memory issue and solution.

The reason pretty common for any Java application: your application allocates so many objects that GC cannot easily cleanup dead objects from memory. Capture heap dump and analyze if profiler, e.g. Eclipse MAT.

I bet this problem is not related to CUBA Platform at all.

Hope this can help you:

I agree with you.
More suggestions are appreciated especially in terms of tools that can help.