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1 vote
1 answer
102 views

So I am trying to add information about locals I use. The current way I am trying to achieve it - is: methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_STATIC, "something", "()V&...
0 votes
1 answer
61 views

I have a perplexing problem. We use run-time created codec:s for message en- and decoding. The original authors has long since left the building. I've been asked to add some rather simple ...
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0 votes
2 answers
77 views

Hi I'm trying to build a trace agent where app agent propagates the origin application name across the multiple network calls using the HTTPUrlConnection. So far, I was able to invoke the Advice ...
0 votes
0 answers
24 views

I have this custom gradle plugin to replace the implementation of a class. When I build the apk I do see that the original class is modified as expected. However, the class packaged in the apk is ...
0 votes
0 answers
103 views

I’m Trying to Intercept Some Methods Using the Byte-Buddy Android Gradle Plugin I want to intercept some methods using the Byte-Buddy Android Gradle plugin. Here are the versions I am using: • Java ...
0 votes
1 answer
88 views

I am playing with Java bytecode generation (using Clojure with https://github.com/jgpc42/insn), Currently I am trying to generate a bytecode for a nested for loop, bellow is the relevant part of the ...
1 vote
1 answer
601 views

As shown in the following figure, a custom Java agent package is added to the JVM options -javaagent:/usr/local/maven/apache-maven-3.6.3/repository/com/graviton/Probe-Agent/1.0-SNAPSHOT/Probe-Agent-1....
-1 votes
1 answer
138 views

I have code that attempts to redefine a class at runtime using a ClassFileTransformer and an instance of Instrumentation. However, I've noticed that the transform method of ClassFileTransformer fails ...
0 votes
1 answer
124 views

I am writing a term paper for the university. The task is to write two programs, one of which collects some information, signs it with a digital key, and saves the encrypted data and the key to ...
0 votes
2 answers
165 views

I'm currently working on a project where I generate Java bytecode from my own intermediate representation using the ASM library. For some methods in my code, I already have pre-calculated values for ...
-1 votes
1 answer
100 views

It seems that ASM ClassWriter does not preserve the order of entries in the constant pool. For example, consider the following code snippet: @Test void hashShouldBeSame() throws IOException, ...
-1 votes
1 answer
289 views

I'm currently trying to edit the bytecode of a java class after it has been loaded by the JVM. I use Java 8 and ASM 5.0.3. I can't change the command line or the JVM arguments. Here is a minimal ...
0 votes
2 answers
203 views

for example:I want to change LocalDateTime.now() return result in non-production enviroment, I am trying to invoke the following code,but error occors: @Test public void test3() { ...
1 vote
2 answers
125 views

I'am working in a Transparent Dirty Detection Agent (tdd-agent). It work really well redefining the target classes to implement the setDirty()/isDirty() and set it when it detect a putfield, but I ...
1 vote
1 answer
202 views

I am currently utilizing org.objectweb.asm.util.CheckClassAdapter for bytecode verification in my Java project. However, I've observed that this class prints errors to stderr instead of throwing ...

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