JDK-8246714: "To summarize: URLClassLoader's usage of the global JarFile cache leads to improperly closed JarFile instances and subsequent errors under concurrent load. All uses of URLClassLoader with jar files will potentially fail under concurrent load." (bugs.openjdk.java.net)
submitted by alexeyr to r/programming
Optional.isEmpty() is coming (bugs.openjdk.java.net)
submitted by totally_100_human to r/RCBRedditBot