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update4j/update4j

updates made easy!

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Dec 23 2021 16:36

stale[bot] closed #101
Dec 23 2021 16:36

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Dec 19 2021 06:21

mordechaim closed #160
Dec 19 2021 06:21

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Dec 16 2021 15:48

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stale[bot] labeled #101
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Dec 16 2021 15:31

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Dec 15 2021 15:47

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Dec 15 2021 15:47

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Dec 15 2021 15:45

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Dec 13 2021 13:54

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Dec 13 2021 04:18

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Dec 12 2021 23:52

mordechaim commented #160
Dec 12 2021 23:52

mordechaim commented #160
Dec 12 2021 09:08

stirante commented #160

Mordechai Meisels

@mordechaim

Well, you can do it, but update4j uses a separate thread by design. If you copy the launch code and remove the thread spawning you might get it to work on your own.

This line spawns the thread. The actual launch can skip this step, it's just here to give the business application a separate context.

David Metzler

@metzlerd_gitlab

Thanks, I'll give this a shot.

David Metzler

@metzlerd_gitlab

@mordechaim I tried this but ran into troubles as the constructor for LaunchContext is not public, so I couldn't new up a LaunchContext outside of the package. Is that something you would be willing to change?

Mordechai Meisels

@mordechaim

I don't think I'm going to change this. You could sort-of reimplement the whole launch process with your own logic using my code as helpful pointers. Or you can fork the project.

Mamadou Pathé LY

@foula_ly_twitter

Hello all i need help in how to use update4j in ant project

David Metzler

@metzlerd_gitlab

@mordechaim Thank you for considering. I have worked around this problem by using a two executable strategy that you documented in the Wiki and just using update4j for managing the upgrade process and not for launching. Wanted you to know that I still appreciated the work.

@foula_ly_twitter - could you be more specific? You could simply download the jar and include it as a dependancy. Not sure what is difficult about using upate4j in ant?

Mordechai Meisels

@mordechaim

@metzlerd_gitlab thanks

Julián Murphy

@fkmurphy

Hi, i have a modular application with openjdk 11 and i'm newby in the java world. Is it possible to update modular applications with update4j? I read link https://github.com/update4j/update4j/wiki/Documentation#integration-with-jlink but, i dont understand this. Do i have to replace bat/sh file generate jlink for the example in documentation?

thanks!

Mordechai Meisels

@mordechaim

@fkmurphy yes it is possible, but not when its part of the jlink image.

Julián Murphy

@fkmurphy

my application runs from the jlink generated script, therefore it is not possible. Alternatives?

Daniel

@danny:mdanny82.selfhost.eu

[m]

Hi, my application ist a runnable jar built with jdk 1.8. Is it possible to use update4j for this? Is there a tutorial which shows the steps from a runnable jar to the auto-updating application?

Mordechai Meisels

@mordechaim

While update4j wasnt designed for jdk8 there are a few forks that packported the project. Check out here.

There aren't any special rules regarding runnable jar files, but update4j will not handle it as runnable. Namely, you'll need to supply the main class the update4j (if you use the default bootstrap setup).

Start update4j as a runnable jar to see a quick reference guide

Sébastien Gonzalez

@SebGonzalez

Hi, I started to use update4j for update my application. I get the exemple bootstrap. I created my config.xml and make download functional. But I have a problem with the launch part

I want to start my application inside the current jvm (from bootstrap)

Currently I can start my business app with"java -classpath 'exemple.jar; exemple2.jar ..." com.me.MainClass

But with the bootstrap I don't succeed in launch it

I add classpath="true" in all jar inside config.xml but I have an error when I launch my businness app :

Caused by: java.lang.IllegalAccessError: class com.eukles.resoposte.AgentResoposteV2 (in unnamed module @0x6dc7625e) cannot access class com.sun.javafx.application.LauncherImpl (in module javafx.graphics) because module javafx.graphics does not export com.sun.javafx.application to unnamed module @0x6dc7625e

Have you an idea to solve my problem please ?

Mordechai Meisels

@mordechaim

Are your example.jar files also liated in the config?

Do you use the default bootstrap or your own?

Mordechai Meisels

@mordechaim

*listed in the config

Sébastien Gonzalez

@SebGonzalez

Yes I have all my jar in the "<files>"

I take the demo-boostrap from here : https://github.com/update4j/demo-bootstrap

Astrid Sawatzky

@astridsawatzky_gitlab

@SebGonzalez maybe this will help: https://stackoverflow.com/questions/59625091/javafx-module-does-not-export-to-unnamed-module
I do not know how to achieve this in update4j.

Sébastien Gonzalez

@SebGonzalez

I tried to add export on the file "javafx-graphics-16.jar" in the config but I have the same error

Mordechai Meisels

@mordechaim

With not enough context information, can you try to not include your jars in the classpath from the start command? Just include update4j alone and let the launcher do the rest.

Sébastien Gonzalez

@SebGonzalez

If i don't include jars in the classpath when I try to launch with the "config.launch(this);" command i have the next result ;

Caused by: java.lang.ClassNotFoundException: com.eukles.resoposte.AgentResoposteV2

My main jar is not include so he dosn't know the main class

Mordechai Meisels

@mordechaim

As I said I'm missing a lot of context, but my best guess is to try using the DynamicClassLoader as explained here.

Sébastien Gonzalez

@SebGonzalez

I didn't understand how to use it

DynamicClassLoader dynamicClassLoader = new DynamicClassLoader(); ?

Mordechai Meisels

@mordechaim

$ java -Djava.system.class.loader=org.update4j.DynamicClassLoader <your commands here>

Sébastien Gonzalez

@SebGonzalez

I need to launch my bootstrap with this arg ? "-Djava.system.class.loader=org.update4j.DynamicClassLoader"

Sébastien Gonzalez

@SebGonzalez

When I try with this arg and remove all ".classPath()" method in the config.xml I get this error :

Java HotSpot(TM) 64-Bit Server VM warning: Archived non-system classes are disabled because the java.system.class.loader property is specified (value = "org.update4j.DynamicClassLoader"). To use archived non-system classes, this property must not be set
juin 02, 2021 9:24:01 AM org.update4j.util.Warning path
WARNING: No files were found that are set with 'classpath' or 'modulepath' to true;
although perfectly valid it's rarely what you want.
Please refer to: https://github.com/update4j/update4j/wiki/Documentation#classpath-and-modulepath

Exception in thread "Thread-6" java.lang.RuntimeException: java.lang.ClassNotFoundException: com.eukles.resoposte.AgentResoposteV2
at org.update4j.service.DefaultLauncher.run(DefaultLauncher.java:123)
at org.update4j.ConfigImpl.lambda$doLaunch$13(ConfigImpl.java:693)
at java.base/java.lang.Thread.run(Thread.java:831)
Caused by: java.lang.ClassNotFoundException: com.eukles.resoposte.AgentResoposteV2
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:433)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:586)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
at org.update4j.service.DefaultLauncher.run(DefaultLauncher.java:102)
... 2 more

If I try to put back the "classPath()" method and let the vm arg I retake the same error as beginning

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at org.update4j.service.DefaultLauncher.run(DefaultLauncher.java:123)
at org.update4j.ConfigImpl.lambda$doLaunch$13(ConfigImpl.java:693)
at java.base/java.lang.Thread.run(Thread.java:831)
Caused by: java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at org.update4j.service.DefaultLauncher.run(DefaultLauncher.java:118)
... 2 more
Caused by: java.lang.IllegalAccessError: class com.eukles.resoposte.AgentResoposteV2 (in unnamed module @0x2670e61) cannot access class com.sun.javafx.application.LauncherImpl (in module javafx.graphics) because module javafx.graphics does not export com.sun.javafx.application to unnamed module @0x2670e61

Astrid Sawatzky

@astridsawatzky_gitlab

can you add the export declaration from above to the call on commandline ?

Sébastien Gonzalez

@SebGonzalez

Yes it works thanks you @astridsawatzky_gitlab and @mordechaim !

Just a question if I want to inject the stage with @InjectSource I need that my main app implements Launcher ?

Mordechai Meisels

@mordechaim

Yes

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