This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.
Questions tagged [urlclassloader]
286 questions
0
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How to load .class files from an .jar that are in an package
I need to load the Client.class using an ClassLoader .
When I use this code:
ClassLoader clientClassLoader = new URLClassLoader(
new URL[] { new File("client.jar").toURL() });
Class> clientClass =…

Piet Jetse
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votes
0 answers
URLClassLoader in eclipse plugin
I am implementing a plugin for content assist in xml. In the implementation I am loading the classes of a project as,
URLClassLoader classLoader = new URLClassLoader(urls,Thread.currentThread().getContextClassLoader());
But when i make changes in…

Hareesh
- 694
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- 18
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C Linux - How to load code from URL
Is there any way to load code/libary directly into RAM from the network in c on linux. It is possible in java using URLClassLoader but is there any way to implement the same functionality in c. So far i have found dlopen function in c to load so…

Somil
- 481
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- 8
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0 answers
ClassCastException in plugin loader
I am currently experiencing another strange problem with Java.
My goal was to make a small plugin system to provide an API for one of my applications. I managed to do such a thing and it works pretty good in Windows.
But when I try to run the same…

Niklas S.
- 1,046
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- 22
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votes
1 answer
How to reload a class using Java UrlClassLoader
I have a list of classes which I need to use many times during the execution of my program, I need to load them dinamically because their code can change very often and I want to treat them as services so that I can update them easily. Here my…

Hira
- 3
- 2
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classpath option vs URLClassLoader or Spring nightmare
I have code(it's wrapper for another applicaton):
URLClassLoader classLoader = new URLClassLoader(urls);
Class> mainClass = classLoader.loadClass("org.ololo.DummyClass");
Method main = mainClass.getMethod("main", new Class[]{
…

kain64b
- 2,258
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0
votes
1 answer
Android Class Loader Error
I want to instance the ScreenX class in my jar file and try all of the solition on this site but it can not run.
I have two file that;
File folder = getDir("JarFile", MODE_PRIVATE);
//and
File file = new File(folder, "plugin.jar");
I tried…

user2094269
- 9
- 4
0
votes
2 answers
Save class to file from URLClassLoader? and decompile it?
It's possible to save class from URLClassLoader to normal file.class? and then decompile it?
I trying save it just as object using
Class> clazz = classLoader.loadClass("foo.Bar");
FileOutputStream sf = new FileOutputStream(f);
…

user2250333
- 133
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votes
1 answer
How to load methods from a jar without loading class?
I am trying to read a Jar file which contains few classes and has methods defined in it. I want to get all the declared methods from all the classes without loading individual classes. is it possible?
Here's how I am loading jar file and…

Yunkhan
- 53
- 3
- 10
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votes
2 answers
understanding urlclassloader, how to access a loaded jar's classes
I am trying to understand how to access/make available a jar file using URLClassLoader.
Firstly I am loading the jar file with
package myA;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import…

art vanderlay
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0
votes
1 answer
programmatically compiling and loading java source files in clojure
I've run into some problems following this question on SO: How do I programmatically compile and instantiate a Java class?
The following is my clojure translation:
(ns compile-and-load.core
(:import [javax.tools JavaCompiler ToolProvider]
…

zcaudate
- 13,998
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0
votes
1 answer
java.net.URLClassLoader doesn't add class annotations
While developing a ant - task to autogenerate some gui - code for a project using annotations as I prefer a declarative approach I am using the java.net.URLClassLoader to dynamically add
the classes to my class path.
When scanning the classes for…

Peter
- 1,769
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0 answers
Class loading from a non-default Package
When I try to load a class Dynamically at run-time, and that class was compiled in a package that is not the default package, I have a ClassNotFound Exception.
Example:
Package name: "Model".
Class name: "Cup.class".
This is my code:
File file = new…

Mohamed Ahmed Taher Mohamed
- 303
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votes
0 answers
akka scala: URLClassLoader causes actors to not fail isAssignableFrom
I am trying to dynamically load an actor from an external jar and then launch that actor into the ActorSystem. I want a plug-in style architecture for loading actors. So far I am tried the following code:
val loader = new URLClassLoader(Array(new…

Ben Schmidt
- 261
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votes
1 answer
Why URLClassLoader does not load class?
I have downloaded the aspectJ.jar file and extracted it into a temp directory (this jar file is used for test purposes only).
I have the following code:
public class TestUrlClassLoader {
public static void main(String [] args) throws…

Cherry
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