Log in to follow, share, and participate in this community.
Thread what happened to $r?
what happened to $r?Shouldn't that work? class Foo {
Object foo() {
return new Object();
}
}
public class Main {
public static void main(String[] args) throws NotFoundException, CannotCompileException {
ClassPool cp = ClassPool.g...
Thread cannot access added Field in some cases. Please help.
cannot access added Field in some cases. Please help.Hello, Some background regarding my issue: I have obtained the byteArray of the class using a ClassFileTransformer added to an Instrumentation object. I am then using the ClassPool.makeClassIfNew() function ...
Thread How can I unit test without getting Frozen?
How can I unit test without getting Frozen?Hi All, I am using javassist to inject before & after advice in my project. As I am trying to unit test I keep getting the error:
java.lang.RuntimeException: org.dummy.greenthumb.TreePlanter class is frozen F...
Strategy for classpool = null clearingIn the tutorial one of the noted problems is the memory usage climb with creating a lot of CtClass's etc that are all stored in the ClassPool. I am having trouble combining that advice with a javaagent implementation....
$r: no such class Hi, I used $r during method instrumentation (as return ($r)result; ). I get a compile time exception " javassist.CannotCompileException: ...
Thread lacking adequate features - addcatch, insertAfter(...,true);
lacking adequate features - addcatch, insertAfter(...,true);Hello All, As far as my understanding goes, the 'catch' and 'finally' clauses are there to clean up and close internally allocated resources. To do that, one needs, among other things, unrestricted acces...
Thread Runtime Exception when I try to getInterfaces() of a CtClass
Runtime Exception when I try to getInterfaces() of a CtClassHello All, I was trying to getInterfaces() of a CtClass object during load time but I keep getting exceptions of this format java.lang.RuntimeException: cannot find oracle/jdbc/driver/TypeCopyingBinder...
Thread VerifyError with addLocalVariable() and insertAfter()
VerifyError with addLocalVariable() and insertAfter()Hi all! This is my first post here and I am a javassist newbie. So hopefully my problem can easily be solved. From a real usecase, I condensed the following fragment demonstrating my problem: ClassPool cp = ClassP...
Thread method instrumentation approaches - which is best?
method instrumentation approaches - which is best?Hello All, I am sort of new to Javassist and have a design question which has probably been already discussed. I couldn't search and look for the discussion though due to no search facility as far as I could s...
Need help adding an Annotated field.Hi, I am trying to utilize Javassist to add an annotated field to my class. The snippet of what I am trying to accomplish is listed below. //I am trying to add the line below as a new field. @C...
Thread javassist.CannotCompileException when using interfaces
javassist.CannotCompileException when using interfacesHello, I could not find a solution for my problem, hopefully someone can help me. In my project, I am using logging like this: public interface Logger { public void info(String s);&...
Thread can not see new method after transformation!
can not see new method after transformation!hi guys, i am adding new field and its getter and setter methods to an existing class. I can see those new changes in the bytecode, but unable to access those getter and setter. I know that the jvm which loaded the cl...
Using Resteasy with javassist?I'm trying to use resteasy to serve out some entities fetched by spring-hibernate. I've configured one method which returns a POJO and works as expected:
@GET
@Path("/test")
@Produces(MediaType.APPLICATION_XML)
...
Bytecode error loading classHi, I am loading classes via javassist and everything works fine when i run processes on one node. However, I am now running my javassist code using a distributed process. I have this code: _______________________...
Stack traceI'm using javassist 3.3 with jms 1.4.5GA and jboos4.2.3ga. I'm running a simple example program to use queues in JMS and I get the following stack trace: It that it's missing a constructor. Exception in thread "main...
Thread Inconsistent or missing stackmap error in midlet class files
Inconsistent or missing stackmap error in midlet class filesHi I am using Javassist to modify a MIDlet class. I was successfully able to change the midlet class file. The changes i did are as follows 1. copied the startApp() method body to a new method and set new body for st...
Thread ClassLoader and java.lang.ClassNotFoundException
ClassLoader and java.lang.ClassNotFoundExceptionHi I'm using Javassist as a library for our library (InterCommunication on Ginga) that with PhoneME + Personal Basis Profile will be the platform for embedded devices (digital tv). The question is that we're using Jav...
Thread Javassist can't seem to instrument static method
Javassist can't seem to instrument static methodI stumbled upon a Javassist problem, when it fails to add code with insertBefore(). If someone can help, I would really appreciate this.
package test;
public class TheAddress extends TheModel {
static{
foo("The...
Thread how to do bytecode manipulation of j2me without having to pr
how to do bytecode manipulation of j2me without having to prHi All, I am using Javassist to modify a MIDlet class. I was successfully able to change the midlet class file and view the changes in Bytecode Viewer. But when i try to run the application with WTK emulator it giv...
Field access like in GluonJI try to implement a field access as the @Get and @Set Listener-Annotations in GluonJ, directly with Javassist. I looked into the source code how GluonJ performs this, but I can't get it running - and don't get the ex...