org.apache.jasper.runtime.BodyContentImpl memory leaking when using JSTL Simple tag what having body is scriptless ------------------------------------------------------------------------------------------------------------------ Key: WFLY-5973 URL: https://issues.jboss.org/browse/WFLY-5973 Project: WildFly Issue Type: Bug Components: Web (Undertow) Affects Versions: 9.0.2.Final Reporter: Loc Ha Assignee: Tomaz Cerar Priority: Critical Fix For: 10.0.0.CR1 -- Create any JSTL Simple tag (SimpleTagSupport) that having body is scriptless -- Create a JSP using the Simple tag -- Request the JSP multi time -- Using visualvm 1.3.8 to monitor the allocations of org.apache.jasper.runtime.BodyContentImpl --> You will see a lot of instance of BodyContentImpl created -- Click on Perform GC on VisualVM --> The remainging BodyContentImpl didn't go down to ZERO ---> Leaking memory -- Did the same test using Glashfish 4 --> When click on Perform GC --> BodyContentImpl went down to Zero --> No leaking memory.