I am getting java.lang.OutOfMemoryError: Java heap Space error in jasperserver 6.4 server. 06-Nov-2018 14:57:53.168 SEVERE [http-nio-8080-ClientPoller-0] org.apache.tomcat.util.net.NioEndpoint.checkParachute SEVERE:Memory usage is low, parachute is non existent, your system may start failing.06-Nov-2018 14:57:51.202 SEVERE [http-nio-8080-ClientPoller-1] org.apache.tomcat.util.net.NioEndpoint.checkParachute SEVERE:Memory usage is low, parachute is non existent, your system may start failing.06-Nov-2018 14:59:17.612 SEVERE [http-nio-8080-Acceptor-0] org.apache.tomcat.util.net.NioEndpoint$Acceptor.run java.lang.OutOfMemoryError: Java heap spaceException in thread "RMI RenewClean-[10.2.7.40:33973]" java.lang.OutOfMemoryError: Java heap space06-Nov-2018 14:59:43.730 SEVERE [http-nio-8080-ClientPoller-1] org.apache.tomcat.util.net.NioEndpoint.checkParachute SEVERE:Memory usage is low, parachute is non existent, your system may start failing.06-Nov-2018 15:00:17.872 SEVERE [http-nio-8080-exec-187] org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun java.lang.OutOfMemoryError: Java heap space06-Nov-2018 15:00:07.008 SEVERE [http-nio-8080-Acceptor-0] org.apache.tomcat.util.net.NioEndpoint$Acceptor.run java.lang.OutOfMemoryError: Java heap spaceJava HotSpot 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0Java HotSpot 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.006-Nov-2018 15:05:37.862 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.0.43[/code]Can anybody please help with this error.