![java could not find or load main class intellij jar java could not find or load main class intellij jar](https://www.labkey.org/Documentation/wiki-download.view?entityId=c9ca4dc6-8051-1035-b81a-fe851e08b170&name=ext4.png)
- #Java could not find or load main class intellij jar install#
- #Java could not find or load main class intellij jar manual#
- #Java could not find or load main class intellij jar pro#
- #Java could not find or load main class intellij jar code#
Let's alter our program so that the class is included in a package. class file that is present in a package, we need to use the package name along with the class name. command), then again, we will get this same error.Ī package in Java is a set of similar classes or interfaces that are grouped together for easy access. For example, if we navigate to the desktop(using cd. Note that we must run the java command for the. java extension to the file name when using it. class file name.Īnother thing to remember is that we use the javac command to compile a java file, and we need to add the. This error can occur if we try to run a java program but do not pass the correct. Let's deliberately mess things up to view the could not find or load main class error. We can see that everything is working fine, and we get the expected output.
#Java could not find or load main class intellij jar code#
We can run the code and view the output by using the java command. class file that has the same name as the class with the main method. We can compile this code by using the javac command and provide the java file name.
![java could not find or load main class intellij jar java could not find or load main class intellij jar](https://i.stack.imgur.com/AKoOs.png)
Here, we have the following code in a java file called ErrorDemo.java. Let's look at the reasons why this error occurs and try to solve this error. This error simply means that the JVM is unable to find the main class. The could not find or load main class error is very common and can occur frequently. in the Minecraft folder.Errors and exceptions are very common while working with Java or any other programming language. Fix this by running sudo chown -R $USER:$USER. Your permissions problem is because Minecraft created all of its files as root. There are many good methods, but they need to be tailored to your system.
#Java could not find or load main class intellij jar manual#
Initscripts are very complicated, but it lets your server auto-start/stop on boot or on manual invocation. You can avoid this by appending >/dev/null 2>&1 to the end of the command. The server will keep running.īe careful using nohup though, because it will use up a LOT of hard drive space keeping its own logs. After your Minecraft server has started, just close your SSH session.
![java could not find or load main class intellij jar java could not find or load main class intellij jar](https://i.stack.imgur.com/MaMah.png)
Prepend your start command with the nohup command. Note that I have not personally tested it, so YMMV. Your Minecraft server will be running in the background. Method 2: bg/ fgĪfter your Minecraft server has started, press Ctrl+ Z on your keyboard. Most people prefer screen because you can go back and access the console at any time. To resume your screen session, just run screen -r. Afterwards, just press Ctrl + A followed by D. You can do this by just running the screen command, followed by your start command. You can run a Minecraft session in the background using a nifty utility known as screen. You can run Minecraft in the background in many different ways. Be sure to also not use sudo, as that opens up the possibility for system compromise. Note, additionally, that you do not need to specify -Xms in your arguments. Have you tried putting the RAM commands at the end, like so: java -jar minecraft_server.jar -Xmx8192Mīe sure to adjust the RAM to your limits. The issues by not specifying RAM is pretty simply that your Minecraft server won't have enough RAM reserved for it, causing it to crash. 14:30:35,684 ERROR Unable to invoke method createAppender in class 4j. for element RollingRandomAccessFile Īt 0(Native Method)Īt (NativeMethodAccessorImpl.java:62)Īt (DelegatingMethodAccessorImpl.java:43)Īt .invoke(Method.java:498)įollowed by an endless list of these: at kx.a(SourceFile:44) Īt kx.b(SourceFile:54) Īt kx.a(SourceFile:44) When running java -jar minecraft_server.1.9.2.jar nogui I am seeing this output: 14:30:35,683 ERROR Cannot access RandomAccessFile ) java.io.FileNotFoundException: logs/latest.log (Permission denied) What is the difference and what are the possible issues by not specifying RAM?Īdditionally, what is a good practice for starting up the Minecraft server via SSH and letting it run in the background after disconnecting?
#Java could not find or load main class intellij jar install#
I then simply ran (after about 1 hour of hacking around trying to install different JREs): sudo java -jar minecraft_server.1.9.2.jar nogui and it worked. I got this: Error: Could not find or load main class –Xms1024M I followed all the directions for setting up the server (which is very simple) but when I ran the command: sudo java –Xms1024M -Xmx1024M -jar minecraft_server.1.9.2.jar nogui
#Java could not find or load main class intellij jar pro#
I am not a Linux pro nor a Java pro, but I am setting up a Minecraft server on Ubuntu 16.04.