Broken install on Ubuntu 18.04 / Java 10

[interstar]

Problem Description

Trying to follow this basic install on Ubuntu 18.04 :

Download boot.sh and save as boot
Make it executable.
Move it to somewhere in your $PATH.

and I get this

phil@Wren:~/bin$ boot -u
Exception in thread "main" java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at Boot.main(Boot.java:257)
Caused by: java.lang.RuntimeException: Failed to load ClojureRuntimeShimImpl
	at org.projectodd.shimdandy.ClojureRuntimeShim.newRuntime(ClojureRuntimeShim.java:21)
	at org.projectodd.shimdandy.ClojureRuntimeShim.newRuntime(ClojureRuntimeShim.java:32)
	at boot.App.newShim(App.java:309)
	at boot.App.aetherShim(App.java:346)
	at boot.App.writeProps(App.java:213)
	at boot.App.readProps(App.java:253)
	at boot.App.main(App.java:458)
	... 5 more
Caused by: java.lang.ClassNotFoundException: org.projectodd.shimdandy.impl.ClojureRuntimeShimImpl
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
	at org.projectodd.shimdandy.ClojureRuntimeShim.newRuntime(ClojureRuntimeShim.java:18)
	... 11 more

Platform details

Platform : Ubuntu 18.04 Platform version:

java -version
openjdk version "10.0.2" 2018-07-17
OpenJDK Runtime Environment (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.2)
OpenJDK 64-Bit Server VM (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.2, mixed mode)

[daveyarwood]

Anecdotally, we're running various services in production on Ubuntu 18.04 that use Boot, so maybe this is a Java 10-related issue? We're using Java 8:

$ java -version
openjdk version "1.8.0_181"
OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-0ubuntu0.18.04.1-b13)
OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)

[interstar]

Yes. That sounds plausible.

I'll have a try with an older Java but I'll leave this here because it probably needs to be addressed.

[burn2delete]

At the moment we dont have comprehensive test system for different java versions, this is something we should probably update on travis

[burn2delete]

I recently updated the testing platforms used to build boot, seems we cannot compile on OpenJDK 11+

[SomeoneSerge]

Confirm.

1. Archlinux, java-10-openjdk
2. Download boot.sh
3. ..., Caused by: java.lang.ClassNotFoundException: sun.misc.Launcher$ExtClassLoader
4. Switch to java-11-openjdk
5. ..., Caused by: java.lang.ClassNotFoundException: sun.misc.Launcher$ExtClassLoader
6. Switch to java-8-openjdk
7. Works fine

[burn2delete]

We are now passing on all platforms, please try 2.8.3