java.lang.OutOfMemoryError: Metaspace # Exception in thread thread_name: java.lang.OutOfMemoryError: Metaspace Cause: Java class metadata (the virtual machines internal presentation of Java class) is ...

Conclusion Because the concept of Metaspace and perm is mostly the same, an administrator performing a Java 7 to Java 8 upgrade can change the flags simply by running sed 'e/Perm/Metaspace/g'.

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1112) at org.springframework.web.servlet.DispatcherServlet.doService ...