Snippets tagged “jvm”
14 snippets use this tag.
- eclipse won't start - no java virtual machine was foundJava
There are a few possible reasons why Eclipse might not be able to find a Java Virtual Machine (JVM).
- Error: Could not find or load main class in intelliJ IDEJava
If you receive the error "Could not find or load main class" in IntelliJ IDEA, it means that the Java Virtual Machine (JVM) cannot find the class with the main method that you are trying to run.
- Failed to load the JNI shared Library (JDK)Java
This error can occur when you are trying to run a Java program and the Java Virtual Machine (JVM) cannot find the required shared libraries. There are a few different causes of this error and a few different things you can try to fix it:
- How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?Java
To determine whether you are running in a 64-bit JVM or a 32-bit JVM from within a Java program, you can use the sun.arch.data.model system property.
- How do I find out what keystore my JVM is using?Java
To find out which keystore the Java Virtual Machine (JVM) is using, you can use the javax.net.ssl.KeyManagerFactory class and the getDefaultAlgorithm method.
- How do I set the proxy to be used by the JVMJava
To set the proxy to be used by the Java Virtual Machine (JVM), you can use the -Dhttp.proxyHost, -Dhttp.proxyPort, and -Dhttp.nonProxyHosts options when starting the JVM.
- How is the default max Java heap size determined?Java
The default maximum heap size for the Java heap is determined by the amount of physical memory available on the system.
- How to deal with "java.lang.OutOfMemoryError: Java heap space" error?Java
"java.lang.OutOfMemoryError: Java heap space" means that the application has exhausted the maximum heap space. To fix this error, you can try the following:
- Setting the default Java character encodingJava
To set the default character encoding for the Java Virtual Machine (JVM), you can use the -Dfile.encoding option when starting the JVM.
- Terminating a Java ProgramJava
There are several ways to terminate a Java program, depending on the context in which the program is running.
- What are Java command line options to set to allow JVM to be remotely debugged?Java
To allow the Java Virtual Machine (JVM) to be remotely debugged, you can use the following command line options:
- What are the -Xms and -Xmx parameters when starting JVM?Java
The -Xms and -Xmx options are used to set the initial and maximum heap sizes, respectively, for the Java Virtual Machine (JVM).
- Why am I getting a NoClassDefFoundError in Java?Java
A NoClassDefFoundError in Java indicates that the Java Virtual Machine (JVM) or a ClassLoader was not able to find the definition of a class that was referenced in your code. This can occur for a variety of reasons, including:
- Why is the Java main method static?Java
In Java, the main method is declared as static because the JVM (Java Virtual Machine) needs to be able to invoke it without creating an instance of the class that contains it.