Tsz-wo Sze created HDDS-11060:
---------------------------------

             Summary: ReflectionsException caused by bad magic number
                 Key: HDDS-11060
                 URL: https://issues.apache.org/jira/browse/HDDS-11060
             Project: Apache Ozone
          Issue Type: Improvement
          Components: OM
            Reporter: Tsz-wo Sze


When DEBUG log is enabled, there are many ReflectionsException as below
{code}
2024-06-23 23:27:57,490 DEBUG 
[org.reflections-scanner-0]-org.reflections.Reflections: could not scan file 
META-INF/MANIFEST.MF in url jar:file:/opt/.../ozone-manager-VERSION.jar!/ with 
scanner SubTypesScanner
org.reflections.ReflectionsException: could not create class object from file 
META-INF/MANIFEST.MF
        at 
org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:32)
        at org.reflections.Reflections.scan(Reflections.java:253)
        at org.reflections.Reflections$1.run(Reflections.java:198)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:750)
Caused by: org.reflections.ReflectionsException: could not create class file 
from MANIFEST.MF
        at 
org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:102)
        at 
org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:24)
        at 
org.reflections.scanners.AbstractScanner.scan(AbstractScanner.java:30)
        ... 7 more
Caused by: java.io.IOException: bad magic number: 4d616e69
        at javassist.bytecode.ClassFile.read(ClassFile.java:825)
        at javassist.bytecode.ClassFile.<init>(ClassFile.java:154)
        at 
org.reflections.adapters.JavassistAdapter.getOfCreateClassObject(JavassistAdapter.java:100)
        ... 9 more
{code}



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