alibaba / alibaba/TProfiler

java.lang.ArrayIndexOutOfBoundsException: 17912

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Dominant language
Java
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Description

启动后大量报错
java.lang.ArrayIndexOutOfBoundsException: 17912
at org.objectweb.asm.ClassReader.(Unknown Source)
at org.objectweb.asm.ClassReader.(Unknown Source)
at com.taobao.profile.instrument.ProfTransformer.transform(ProfTransformer.java:52)
at sun.instrument.TransformerManager.transform(TransformerManager.java:188)
at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:428)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

Contributor guide

No contributing guide indexed for this repository

Research direction

Start at com.taobao.profile.instrument.ProfTransformer.transform in ProfTransformer.java:52 and inspect how org.objectweb.asm.ClassReader receives class data during startup. Reproduce the startup errors and determine which class input triggers the ArrayIndexOutOfBoundsException; done means startup no longer produces these repeated exceptions.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
performance
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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