luajava.bindClass raise classNotFindException #65

New Issue

open-autonomous-connection · 2020-01-16T09:43:34Z

Justice-love commented

2020-01-16 09:43:34 +00:00

(Migrated from github.com)

platform: android
usage: luajava.bindClass and then raise classNotFindException

Caused by: org.luaj.vm2.LuaError: @Pic.lua:14 vm error: java.lang.ClassNotFoundException: com.ai.ipu.push.test.mock.edgehandle.recgnition.ObjRecApi
        at org.luaj.vm2.lib.jse.LuajavaLib.invoke(Unknown Source)
        at org.luaj.vm2.lib.VarArgFunction.call(Unknown Source)
        at org.luaj.vm2.LuaClosure.execute(Unknown Source)
        at org.luaj.vm2.LuaClosure.call(Unknown Source)
        at com.zzx.script.LuaScriptEngine.execute(LuaScriptEngine.java:38)

what i think
luaj use java.lang.ClassLoader#getSystemClassLoader to load app class in org.luaj.vm2.lib.jse.LuajavaLib#classForName
lua script

local cksName = 'com.ai.ipu.push.test.mock.edgehandle.recgnition.ObjRecApi'

function preNanoEnv(params)
    local objRecApi = luajava.bindClass(cksName)
    local rootPath = params[0]
    return objRecApi:preNanoEnv(rootPath)
end

* platform: android * usage: luajava.bindClass and then raise classNotFindException ``` Caused by: org.luaj.vm2.LuaError: @Pic.lua:14 vm error: java.lang.ClassNotFoundException: com.ai.ipu.push.test.mock.edgehandle.recgnition.ObjRecApi at org.luaj.vm2.lib.jse.LuajavaLib.invoke(Unknown Source) at org.luaj.vm2.lib.VarArgFunction.call(Unknown Source) at org.luaj.vm2.LuaClosure.execute(Unknown Source) at org.luaj.vm2.LuaClosure.call(Unknown Source) at com.zzx.script.LuaScriptEngine.execute(LuaScriptEngine.java:38) ``` * what i think luaj use `java.lang.ClassLoader#getSystemClassLoader` to load app class in `org.luaj.vm2.lib.jse.LuajavaLib#classForName` * lua script ``` lua local cksName = 'com.ai.ipu.push.test.mock.edgehandle.recgnition.ObjRecApi' function preNanoEnv(params) local objRecApi = luajava.bindClass(cksName) local rootPath = params[0] return objRecApi:preNanoEnv(rootPath) end ```

BigZhou15717498850 commented

2020-01-16 09:45:42 +00:00

(Migrated from github.com)

I also encountered this problem

Mikhael-Danilov commented

2020-03-23 23:18:15 +00:00

(Migrated from github.com)

I believe luaj itself would do nothing with this issue (as it android platform specific issue), your code however can:

Create your own class loader as in: d884050a6a/RemixedDungeon/src/main/java/com/nyrds/android/lua/MultiDexLuajavaLib.java (L13)
Load it in your lua state as in: d556e6c0d5/RemixedDungeon/src/main/java/com/nyrds/android/lua/LuaEngine.java (L114)

I believe luaj itself would do nothing with this issue (as it android platform specific issue), your code however can: - Create your own class loader as in: https://github.com/NYRDS/remixed-dungeon/blob/d884050a6ada32daeb42283b4f06f20fa09a9dcd/RemixedDungeon/src/main/java/com/nyrds/android/lua/MultiDexLuajavaLib.java#L13 - Load it in your lua state as in: https://github.com/NYRDS/remixed-dungeon/blob/d556e6c0d5f07765f59e1da39e5af6facf6d9c9d/RemixedDungeon/src/main/java/com/nyrds/android/lua/LuaEngine.java#L114

👍 1

IoIxD commented

2023-01-05 04:56:13 +00:00

(Migrated from github.com)

Better late then never: This was valid at some point. But as of 2.0.1 (before you think of downgrading, that version is ten years old and isn't even close to the one this repo) you can only bind Java classes.

I suggest this change be reverted. I cannot think of a good reason for this.

Better late then never: This was valid at some point. But as of 2.0.1 (before you think of downgrading, that version is ten years old and isn't even close to the one this repo) you can only bind Java classes. I suggest this change be reverted. I cannot think of a good reason for this.

open-autonomous-connection commented

2026-03-02 13:48:36 +00:00

Fixed

open-autonomous-connection closed this issue

2026-03-02 13:48:36 +00:00

open-autonomous-connection referenced this issue from a commit

2026-03-02 13:48:38 +00:00

Implemented issue: #65

Sign in to join this conversation.

1 Participants

Notifications

Due Date

No due date set.

Dependencies

No dependencies set.

Reference: open-autonomous-connection/luaj#65