Ocean Block server doesn't start

[Cherished Zero]

2021-11-03 12:51:13,148 main WARN Advanced terminal features are not available in this environment
[12:51:13] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 36.2.8, --fml.mcpVersion, 20210115.111550, --fml.mcVersion, 1.16.5, --fml.forgeGroup, net.minecraftforge, nogui]
[12:51:13] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher 8.0.9+86+master.3cf110c starting: java version 16.0.2 by Microsoft
Exception in thread "main" java.lang.IllegalAccessError: class cpw.mods.modlauncher.SecureJarHandler (in unnamed module @0x67e2d983) cannot access class sun.security.util.ManifestEntryVerifier (in module java.base) because module java.base does not export sun.security.util to unnamed module @0x67e2d983
at cpw.mods.modlauncher.SecureJarHandler.lambda$static$1(SecureJarHandler.java:41)
at cpw.mods.modlauncher.api.LamdbaExceptionUtils.uncheck(LamdbaExceptionUtils.java:95)
at cpw.mods.modlauncher.SecureJarHandler.<clinit>(SecureJarHandler.java:41)
at cpw.mods.modlauncher.Launcher.lambda$new$6(Launcher.java:55)
at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708)
at cpw.mods.modlauncher.api.TypesafeMap.computeIfAbsent(TypesafeMap.java:52)
at cpw.mods.modlauncher.api.TypesafeMap.computeIfAbsent(TypesafeMap.java:47)
at cpw.mods.modlauncher.Environment.computePropertyIfAbsent(Environment.java:62)
at cpw.mods.modlauncher.Launcher.<init>(Launcher.java:55)
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)
at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:63)
at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:60)
at net.minecraftforge.server.ServerMain.main(ServerMain.java:57)
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I have java 8, I double checked it after checking these forums, but I don't quite understand what's stopping it.

 

[gdharron]

You have java 16 also installed and the server is trying to use that. If you don't ay Mc 1.17 get rid of java 16. Or if you want to keep it you need to point the server to the java 8 install to run it.

 

[Cherished Zero]

How can I go about pointing it at the java 8?

 

[gdharron]

I'm not 100% sure, best bet is checking the official FTB discord server its in the support channel somewhere I've seen it! Again if you don't need Java 16 just get rid of it and make life easier

 

[gdharron]

found it for you: https://discord.com/channels/372448486723158016/560188834592063488/876677612985016329

 

[gdharron]

I can't post links in here -____- so just dm me on discord and ill send the post link to the post from R3GEN (ftb moderator)

 

[gdharron]

SOLVED

 

[Cixxar]

For anyone here looking for the solution and getting here from Google but not finding it.

SOLUTION:
Make the Start.bat fil use the version 8 JAVA by giving it the FULL PATH to the java.exe
Lets say you have installed the 64Bit java 8 - then the path it C:\Program Files\Java\jre1.8.0_301\bin

in the start.bat file it will say
java.exe -javaagent:log4jfix/Log4jPatcher-1.0.0.jar -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -Xmx6144M -Xms4096M -jar forge-1.16.5-36.2.20.jar nogui

So add the full path and remember to put " " around it.
"C:\Program Files\Java\jre1.8.0_301\bin\java.exe" -javaagent:log4jfix/Log4jPatcher-1.0.0.jar -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -Xmx6144M -Xms4096M -jar forge-1.16.5-36.2.20.jar nogui

there you go!
fixed