Migrating from Java 8 to Java 11
Support for OpenJDK 11 was added in Eclipse OpenJ9™ version 0.10.0.
The following new OpenJ9 features and notable changes apply when OpenJ9 is built with Java SE 11 class libraries. This information exists elsewhere in the documentation but is summarized here for convenience.
Support for JDK enhancement proposals (JEP)
The new JEPs that are supported are listed in the following topics:
- JDK 9: What's new in version 0.9.0
- JDK 10: What's new in version 0.9.0
- JDK 11: What's new in version 0.10.0
New OpenJ9 features and changes
The following table lists the new OpenJ9 features and notable changes with the OpenJ9 release in which they were added:
|Features and changes||OpenJ9 release|
|The path that is specified by the default
|Low-overhead heap profiling is supported. JEP 331 provides a mechanism for sampling Java heap allocations with a low overhead via the JVM Tool Interface (JVMTI).
Restrictions: JEP 331 is implemented for OpenJ9 with the following limitations:
|OpenSSL support for the ChaCha20 and ChaCha20-Poly1305 algorithms is available. The version of OpenSSL must be version 1.1.x or later. For more information, see
|The default value of the