Posted January 21, 20187 yr I was attempting to setup the server for FTB Revelation but after extracting the files and running the server start script, I was immediately met with this InvocationTargetException: Spoiler A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31) Caused by: java.lang.NoClassDefFoundError: org/apache/logging/log4j/Level at net.minecraft.launchwrapper.Launch.launch(Launch.java:94) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) ... 6 more Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.Level at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 8 more This error is on Ubuntu 16.04 with OpenJDK 8 or Oracle JDK 8 and no log files are produced. I tried replacing the jar file that FTB includes with the 1.12.2 recommended build, and latest, and neither had any effect. I also noted the NoClassDefFoundError was indicative of a missing library, which I checked for and could not find. I redownloaded the libraries using the Forge installer, both jar and exe, to no effect. Any help would be greatly appreciated. Edited January 21, 20187 yr by NEXUS2345
January 21, 20187 yr Author I said in my message that I used the installer to obtain the libraries and the Forge jar. Also, can I ask how I am meant to use the installer on a system with no GUI?
January 21, 20187 yr Author I made use of the installer and I am continuing to experience this issue.
January 21, 20187 yr Author Here is the log: Spoiler Installing server to current directory MESSAGE: Data kindly mirrored by Forge at http://MinecraftForge.net/ MESSAGE: Considering library net.minecraftforge:forge:1.12.2-14.23.1.2600: Not Downloading {Wrong Side} MESSAGE: Considering library net.minecraft:launchwrapper:1.12 MESSAGE: Downloading library net.minecraft:launchwrapper:1.12 MESSAGE: Trying unpacked library net.minecraft:launchwrapper:1.12 MESSAGE: Considering library org.ow2.asm:asm-all:5.2 MESSAGE: Downloading library org.ow2.asm:asm-all:5.2 MESSAGE: Trying unpacked library org.ow2.asm:asm-all:5.2 MESSAGE: Considering library jline:jline:2.13 MESSAGE: Downloading library jline:jline:2.13 MESSAGE: Trying unpacked library jline:jline:2.13 MESSAGE: Considering library com.typesafe.akka:akka-actor_2.11:2.3.3 MESSAGE: Downloading library com.typesafe.akka:akka-actor_2.11:2.3.3 MESSAGE: Unpacking packed file akka-actor_2.11-2.3.3.jar.pack.xz Signed Checksum Length: 140942 Total Length: 2606968 Temp File: /tmp/art5283963064430078785.pack MESSAGE: Successfully unpacked packed file akka-actor_2.11-2.3.3.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library com.typesafe:config:1.2.1 MESSAGE: Downloading library com.typesafe:config:1.2.1 MESSAGE: Unpacking packed file config-1.2.1.jar.pack.xz Signed Checksum Length: 12246 Total Length: 111476 Temp File: /tmp/art8568074478327579455.pack MESSAGE: Successfully unpacked packed file config-1.2.1.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/com/typesafe/config/1.2.1/config-1.2.1.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang:scala-actors-migration_2.11:1.1.0 MESSAGE: Downloading library org.scala-lang:scala-actors-migration_2.11:1.1.0 MESSAGE: Unpacking packed file scala-actors-migration_2.11-1.1.0.jar.pack.xz Signed Checksum Length: 3311 Total Length: 52481 Temp File: /tmp/art9114039472183437185.pack MESSAGE: Successfully unpacked packed file scala-actors-migration_2.11-1.1.0.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang:scala-compiler:2.11.1 MESSAGE: Downloading library org.scala-lang:scala-compiler:2.11.1 MESSAGE: Unpacking packed file scala-compiler-2.11.1.jar.pack.xz Signed Checksum Length: 942120 Total Length: 9183051 Temp File: /tmp/art3110830455875007766.pack MESSAGE: Successfully unpacked packed file scala-compiler-2.11.1.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2 MESSAGE: Downloading library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2 MESSAGE: Unpacking packed file scala-continuations-library_2.11-1.0.2.jar.pack.xz Signed Checksum Length: 2416 Total Length: 18871 Temp File: /tmp/art4988415473961300817.pack MESSAGE: Successfully unpacked packed file scala-continuations-library_2.11-1.0.2.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2 MESSAGE: Downloading library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2 MESSAGE: Unpacking packed file scala-continuations-plugin_2.11.1-1.0.2.jar.pack.xz Signed Checksum Length: 16815 Total Length: 139418 Temp File: /tmp/art3746303877942266017.pack MESSAGE: Successfully unpacked packed file scala-continuations-plugin_2.11.1-1.0.2.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang:scala-library:2.11.1 MESSAGE: Downloading library org.scala-lang:scala-library:2.11.1 MESSAGE: Unpacking packed file scala-library-2.11.1.jar.pack.xz Signed Checksum Length: 341368 Total Length: 5984083 Temp File: /tmp/art9214146451098790856.pack MESSAGE: Successfully unpacked packed file scala-library-2.11.1.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang:scala-parser-combinators_2.11:1.0.1 MESSAGE: Downloading library org.scala-lang:scala-parser-combinators_2.11:1.0.1 MESSAGE: Unpacking packed file scala-parser-combinators_2.11-1.0.1.jar.pack.xz Signed Checksum Length: 37614 Total Length: 273457 Temp File: /tmp/art6243861527723628466.pack MESSAGE: Successfully unpacked packed file scala-parser-combinators_2.11-1.0.1.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang:scala-reflect:2.11.1 MESSAGE: Downloading library org.scala-lang:scala-reflect:2.11.1 MESSAGE: Unpacking packed file scala-reflect-2.11.1.jar.pack.xz Signed Checksum Length: 291610 Total Length: 3217021 Temp File: /tmp/art59934633715443851.pack MESSAGE: Successfully unpacked packed file scala-reflect-2.11.1.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang:scala-swing_2.11:1.0.1 MESSAGE: Downloading library org.scala-lang:scala-swing_2.11:1.0.1 MESSAGE: Unpacking packed file scala-swing_2.11-1.0.1.jar.pack.xz Signed Checksum Length: 39019 Total Length: 888907 Temp File: /tmp/art4029456064248222542.pack MESSAGE: Successfully unpacked packed file scala-swing_2.11-1.0.1.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library org.scala-lang:scala-xml_2.11:1.0.2 MESSAGE: Downloading library org.scala-lang:scala-xml_2.11:1.0.2 MESSAGE: Unpacking packed file scala-xml_2.11-1.0.2.jar.pack.xz Signed Checksum Length: 35380 Total Length: 739509 Temp File: /tmp/art8250767668586541250.pack MESSAGE: Successfully unpacked packed file scala-xml_2.11-1.0.2.jar.pack.xz Checking "/home/jgregory201718/revelations-server/./libraries/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar" internal checksums checksums.sha1 validated successfully Jar contents validated successfully MESSAGE: Considering library lzma:lzma:0.0.1 MESSAGE: Downloading library lzma:lzma:0.0.1 MESSAGE: Trying unpacked library lzma:lzma:0.0.1 MESSAGE: Considering library net.sf.jopt-simple:jopt-simple:5.0.3 MESSAGE: Downloading library net.sf.jopt-simple:jopt-simple:5.0.3 MESSAGE: Trying unpacked library net.sf.jopt-simple:jopt-simple:5.0.3 MESSAGE: Considering library java3d:vecmath:1.5.2 MESSAGE: Downloading library java3d:vecmath:1.5.2 MESSAGE: Trying unpacked library java3d:vecmath:1.5.2 MESSAGE: Considering library net.sf.trove4j:trove4j:3.0.3 MESSAGE: Downloading library net.sf.trove4j:trove4j:3.0.3 MESSAGE: Trying unpacked library net.sf.trove4j:trove4j:3.0.3 MESSAGE: Considering library net.minecraftforge:MercuriusUpdater:1.12.2 MESSAGE: Downloading library net.minecraftforge:MercuriusUpdater:1.12.2 MESSAGE: Trying unpacked library net.minecraftforge:MercuriusUpdater:1.12.2 Saving optional modlist to: ./mods/mod_list.json The server installed successfully, you should now be able to run the file forge-1.12.2-14.23.1.2600-universal.jar You can delete this installer file now if you wish
January 21, 20187 yr Author I used both the standard start script that FTB include and the following: java -server -Xms2048M -Xmx8192M -jar [forge jar] -nogui
January 22, 20187 yr Show us exactly how you're running the server. You're most likely not running it in the proper working directory. the [forge jar] part should have NO directory paths. The only way this can happen is if it can not find the 'minecraft_server.1.12.2.jar' in the current working directory. I do Forge for free, however the servers to run it arn't free, so anything is appreciated. Consider supporting the team on Patreon
January 23, 20187 yr Author Hi Lex, here is a screenshot of the file structure in my SFTP client: Spoiler
January 23, 20187 yr That is not what I asked for -.- Speak with your server host and have them walk you through it. I do Forge for free, however the servers to run it arn't free, so anything is appreciated. Consider supporting the team on Patreon
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