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Can Linkage Checker detect the bad Java8-incompatible byte code
See original GitHub issueCan Linkage Checker (Linkage Monitor) detect the wrong byte code that does not work with Java 8 (case https://github.com/protocolbuffers/protobuf/issues/7827)
Wrong byte code for Java8 that has reference to CharBuffer CharBuffer.flip() (java.nio.CharBuffer.flip()Ljava/nio/CharBuffer). In JRE 8, it’s Buffer Buffer.flip() (the return type is different).
As of now, references to all system classes (including java.nio.CharBuffer) are skipped.
Issue Analytics
- State:
- Created 3 years ago
- Comments:6 (4 by maintainers)
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Yes, it detect the compatibility with the JDK Linkage Checker is running on.
If we enhance the check script to build protobuf-java in Java 11 and running Linkage Checker with Java 8, https://github.com/GoogleCloudPlatform/cloud-opensource-java/pull/1607 should detect the invalid method references.
Memo: script for current check https://github.com/protocolbuffers/protobuf/blob/master/tests.sh#L252 uses Java 8 for both.
@cpovirk Thank you for information.