java.lang.instrument is owned by the Serviceability Team so I'm
redirecting this
message to that alias...
Dan
On 9/27/23 9:14 PM, Siddharth Jain wrote:
Hello,
I am using this method to measure object size in Java:
https://stackoverflow.com/a/52682/147530
and it was (it still does) working with JDK17 on a x64 Intel based
Mac. But today I tried it with JDK20 on a AARch64 based Mac and it
does not work. I get runtime exception:
https://stackoverflow.com/questions/77055455/java-lang-nullpointerexception-cannot-invoke-java-lang-instrument-instrumentat/77055526#77055526
|java.lang.NullPointerException: Cannot invoke
"java.lang.instrument.Instrumentation.getObjectSize(Object)" because
"com.github.jelmerk.ObjectSizeFetcher.instrumentation" is null at
com.github.jelmerk.ObjectSizeFetcher.getObjectSize
(ObjectSizeFetcher.java:18) at com.mycompany.app.App.main
(App.java:48) at org.codehaus.mojo.exec.ExecJavaMojo$1.run
(ExecJavaMojo.java:279) at java.lang.Thread.run (Thread.java:1623)|
any idea how I can fix this? thanks,
S.
