For 20 years, the JDK shipped with a JRE which was just a subset of its functionality installed in a different directory on your system. In fact, it shipped with TWO identical JREs, one installed inside the JDK installation directory and one outside it. This has always puzzled me as it’s a complete waste of … Read more
Bug (JDK-8212586) has been already submitted and fixed in version 12. Minimal, verifiable example: public static void main(String[] args) { new Bug<>(){}; } static class Bug<T> { Bug() { test(new ParameterizedTypeReference<>(){}); } void test(ParameterizedTypeReference<T> typeReference) { } } Some Details. Fix has been also backported to JDK 11 – https://bugs.openjdk.java.net/browse/JDK-8220578. Available starting JDK 11.0.4.
If someone is using Maven and is having the same issue while assembling a flat jar, here is what I did to fix the same issue: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-shade-plugin</artifactId> <version>3.2.1</version> <executions> <execution> <phase>package</phase> <goals> <goal>shade</goal> </goals> <configuration> <transformers> <transformer implementation=”org.apache.maven.plugins.shade.resource.ManifestResourceTransformer”> <mainClass>foo.bar.Generate</mainClass> <manifestEntries> <Multi-Release>true</Multi-Release> </manifestEntries> </transformer> <transformer implementation=”org.apache.maven.plugins.shade.resource.ServicesResourceTransformer”/> </transformers> </configuration> </execution> </executions> </plugin> The important part … Read more
The whole structure with Java 11 has changed. Java is now a modular platform, where you can create your own “JRE” distribution with specifically the modules that you need to run your application. The release notes at https://www.oracle.com/technetwork/java/javase/11-relnote-issues-5012449.html have the following sentence: In this release, the JRE or Server JRE is no longer offered. Only … Read more
This indeed seems to be an issue when Eclipse is run with Java 11. I have created Bug 539545 to report this. In the meantime, you can work around this issue by disabling news feed polling. To do so, go to Preferences… -> General -> News, and untick the Enable automatic news polling option: The … Read more
The Answer by Stephen C is correct, and important. Oracle no longer intends for end-users to be installing a JRE or a JDK. Java Applets in a browser and Java Web Start app delivery are both being phased out, leaving the end-user with no need for a JRE. Java-based apps are expected to bundle their … Read more
UPD from 07.2019: https://stackoverflow.com/a/57145029/907576 Taking as an example of simple spring boot application (with only one REST endpoint) so far i was able to figure out the following solutions (considering application jar is located at build/libs/spring-boot-demo.jar before Docker build: Jedi path if we want to use official Oracle OpenJDK distribution on stable slim Linux version … Read more
This problem’s caused by a bug in Springfox. It’s making an assumption about how Spring MVC is set up that doesn’t always hold true. Specifically, it’s assuming that MVC’s path matching will use the Ant-based path matcher and not the PathPattern-based matcher. PathPattern-based matching has been an option for some time now and is the … Read more
As mentioned in the comments, the Starting Guide is the place to start with Java 11 and JavaFX 11. The key to work as you did before Java 11 is to understand that: JavaFX 11 is not part of the JDK anymore You can get it in different flavors, either as an SDK or as … Read more
No. There is no need to switch to modules. There has never been a need to switch to modules. Java 9 and later releases support traditional JAR files on the traditional class path, via the concept of the unnamed module, and will likely do so until the heat death of the universe. Whether to start … Read more