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Total of 186 Jvm Solutions
How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
Java
Jvm
Incompatibility
Unsupported Class-Version
What are the -Xms and -Xmx parameters when starting JVM?
Java
Memory Management
Parameters
Jvm
How do I write a correct micro-benchmark in Java?
Java
Jvm
Benchmarking
Jvm Hotspot
Microbenchmark
Cannot inline bytecode built with JVM target 1.8 into bytecode that is being built with JVM target 1.6
Android
Intellij Idea
Kotlin
Jvm
Corda
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
Java
Jvm
Java Native-Interface
64 Bit
32 Bit
How to deal with "java.lang.OutOfMemoryError: Java heap space" error?
Java
Jvm
Out of-Memory
Heap Memory
Does Java JIT cheat when running JDK code?
Java
Jvm
Jit
Jvm Hotspot
Real differences between "java -server" and "java -client"?
Java
Jvm
Jvm Hotspot
Why would you ever implement finalize()?
Java
Jvm
Finalize
What is the difference between JVM, JDK, JRE & OpenJDK?
Java
Jvm
Difference
How do I set the proxy to be used by the JVM
Java
Proxy
Jvm
Java heap terminology: young, old and permanent generations?
Java
Garbage Collection
Jvm
Heap Memory
Could not reserve enough space for object heap
Java
Jvm
Heap Memory
What are the best JVM settings for Eclipse?
Eclipse
Jvm
What does -XX:MaxPermSize do?
Java
Jvm
Jvm Arguments
Difference between thread's context class loader and normal classloader
Java
Multithreading
Jvm
Classloader
Class JavaLaunchHelper is implemented in both ... libinstrument.dylib. One of the two will be used. Which one is undefined
Java
Eclipse
Macos
Jvm
Jvm Hotspot
JVM option -Xss - What does it do exactly?
Java
Jvm
Javaoptions
How to get a thread and heap dump of a Java process on Windows that's not running in a console
Java
Jvm
Heap Dump
Thread Dump
Get a list of all threads currently running in Java
Java
Multithreading
Jvm
How can I get a random number in Kotlin?
Random
Kotlin
Jvm
How to activate JMX on my JVM for access with jconsole?
Java
Jvm
Monitoring
Jmx
Jconsole
PermGen elimination in JDK 8
Java
Java 8
Jvm
Permgen
What actually causes a Stack Overflow error?
Java
Jvm
Stack Overflow
In which language are the Java compiler and JVM written?
Java
Jvm
Javac
Java "Virtual Machine" vs. Python "Interpreter" parlance?
Java
Python
Jvm
Eclipse error: 'Failed to create the Java Virtual Machine'
Eclipse
Jvm
Difference between _JAVA_OPTIONS, JAVA_TOOL_OPTIONS and JAVA_OPTS
Java
Jvm
Jvm Arguments
What does JVM flag CMSClassUnloadingEnabled actually do?
Java
Jvm
Classloader
Jvm Arguments
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
Java
Python
Multithreading
Jvm
Gil
How to get VM arguments from inside of Java application?
Java
Jvm
Jvm Arguments
What's invokedynamic and how do I use it?
Java
Reflection
Jvm
Invokedynamic
Can Java 8 code be compiled to run on Java 7 JVM?
Java
Jvm
Compatibility
Java 7
Java 8
Java using much more memory than heap size (or size correctly Docker memory limit)
Java
Linux
Docker
Memory
Jvm
Getting Java version at runtime
Java
Jvm
Difference between sampling and profiling in jVisualVM
Java
Jvm
Heap Memory
Jvisualvm
Memory address of variables in Java
Java
Memory Management
Jvm
Hashcode
Memory Address
Override Java System.currentTimeMillis for testing time sensitive code
Java
Testing
Jvm
Systemtime
How do you crash a JVM?
Java
Jvm
Bytecode features not available in the Java language
Java
Jvm
Bytecode
How to set a JVM TimeZone Properly
Java
Jvm
Windows Server-2008
Timezone
jdk1.5
How do I find out what keystore my JVM is using?
Java
Jvm
Keytool
Expiring Daemon because JVM heap space is exhausted
Android Studio
Gradle
Jvm
Android Studio-3.5
Differences between "java -cp" and "java -jar"?
Java
Jar
Jvm
Classpath
Maximum number of parameters in Java method declaration
Java
Jvm
Where are static methods and static variables stored in Java?
Java
Jvm
How to find the JVM version from a program?
Java
Jvm
Version
Java: int array initializes with nonzero elements
Java
Arrays
Jvm
Initialization
Java 7
Kotlin unresolved reference in IntelliJ
Intellij Idea
Jvm
Kotlin
Jvm takes a long time to resolve ip-address for localhost
Java
Scala
Jvm
Localhost
Macos Sierra
Getting the parameters of a running JVM
Java
Jvm
Android java.exe finished with non-zero exit value 1
Android
Gradle
Compiler Errors
Jvm
Why doesn't the JVM cache JIT compiled code?
Java
Caching
Jvm
Compilation
Jit
CATALINA_OPTS vs JAVA_OPTS - What is the difference?
Java
Tomcat
Jvm
Tomcat6
Why does a 4 billion-iteration Java loop take only 2 ms?
Java
For Loop
Jvm
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
Java
Jvm
limiting java ssl debug logging
Java
Logging
Ssl
Jvm
Why does this method print 4?
Java
Jvm
Stack Overflow
Where does Java's String constant pool live, the heap or the stack?
Java
String
Jvm
Print All JVM Flags
Java
Optimization
Printing
Jvm
Flags
How do I provide JVM arguments to VisualVM?
Java
Windows
Jvm
Visualvm
Why is the JVM stack-based and the Dalvik VM register-based?
Jvm
Dalvik
Cpu Registers
Computer Architecture
Vm Implementation
How to lock compiled Java classes to prevent decompilation?
Java
Jvm
Decompiling
Java: What is the difference between <init> and <clinit>?
Java
Jvm
Android Studio Gradle project "Unable to start the daemon process /initialization of VM"
Java
Android
Jvm
Daemon
Beta
How to set JVM parameters for Junit Unit Tests?
Java
Unit Testing
Junit
Jvm
Intellij Idea
“Error occurred during initialization of VM; Could not reserve enough space for object heap” using -Xmx3G
Java
Eclipse
Jvm
Jvm Arguments
Android Gradle Could not reserve enough space for object heap
Android
Gradle
Jvm
Heap Memory
Debug a java application without starting the JVM with debug arguments
Java
Debugging
Jvm
Jvm Arguments
Does the JVM prevent tail call optimizations?
Java
Jvm
Scala
Tail Recursion
Font is not available to the JVM with Jasper Reports
Jvm
Jasper Reports
Ubuntu 10.04
Dynamic Jasper
Implementing C# for the JVM
C#
Java
Clr
Jvm
Java 32-bit vs 64-bit compatibility
Java
Jvm
64 Bit
Compatibility
32 Bit
Is there one JVM per Java application?
Java
Process
Jvm
Why does the JVM still not support tail-call optimization?
Java
Language Agnostic
Optimization
Jvm
Tail Call-Optimization
How to approach creating a JVM programming language?
Compiler Construction
Programming Languages
Jvm
Jvm Languages
Duplicated Java runtime options : what is the order of preference?
Java
Jvm
Jvm Arguments
Java Opts
Increasing the JVM maximum heap size for memory intensive applications
Java
Jvm
Jvm Arguments
GC overhead limit exceeded
Java
Garbage Collection
Jvm
When multiple java programs run on the same machine
Java
Jvm
Running jmap getting Unable to open socket file
Java
Linux
Jvm
Jvm Hotspot
VisualVM - Thread States
Java
Jvm
Visualvm
Jvisualvm
What are ReservedCodeCacheSize and InitialCodeCacheSize?
Java
Jvm
Jvm Hotspot
How do I start my Java program with more than one java agent?
Jvm
Javaagents
How to see JIT-compiled code in JVM?
Java
Assembly
Jvm
Jit
Android Studio - No JVM Installation found
Java
Android
Jvm
Android Studio
How to hide warning "Illegal reflective access" in java 9 without JVM argument?
Java
Jvm
Netty
Java 9
What is the loop inversion technique?
Java
Jvm
Jit
Machine Instruction
Is the JVM a compiler or an interpreter?
Java
Jvm
How can I increase the JVM memory?
Java
Jvm
Haskell on JVM?
Haskell
Jvm
Jvm Languages
Frege
What does the UseCompressedOops JVM flag do and when should I use it?
Java
Memory
Jvm
Jvm Hotspot
Java JVM profiling, thread status - what does "Monitor" status mean?
Java
Multithreading
Jvm
Java GC: why two survivor regions?
Java
Garbage Collection
Jvm
On Performance and Java Interoperability: Clojure vs. Scala
Java
Performance
Scala
Clojure
Jvm
Java - Get a list of all Classes loaded in the JVM
Java
Reflection
Jvm
Is it bad practice to use break to exit a loop in Java?
Java
Loops
Jvm
Break
What are Reified Generics? How do they solve Type Erasure problems and why can't they be added without major changes?
Java
Generics
Collections
Jvm
Reification
Is JVM open source code?
Java
Jvm
What exactly does -XX:-TieredCompilation do?
Java
Jvm
Jit
What are the differences between LLVM and java bytecode?
Java
Comparison
Jvm
Llvm
What is the difference between DVM and JVM?
Java
Android
Jvm
Dvm
When is the static block of a class executed?
Java
Jvm
Initialization
Classloader
Static Block
Htop showing multiple java processes with different pids
Java
Process
Jvm
Htop
What is the replacement for javax.activation package in java 9?
Java
Jvm
Java 9
javax.activation
JVM property -Dfile.encoding=UTF8 or UTF-8?
File
Encoding
Utf 8
Jvm
How does the JVM ensure that System.identityHashCode() will never change?
Java
Jvm
Hashcode
Heap Memory
find which type of garbage collector is running
Java
Jvm
What is com.sun.proxy.$Proxy
Java
Jpa
Proxy
Jvm
Where can I find default -Xss (stack size) value for Oracle JVM?
Java
Jvm
Stack
Size
Cannot determine current directory
Java
Jvm
Java verbose class loading
Java
Jvm
Classloader
Why are Java 8 lambdas invoked using invokedynamic?
Java
Lambda
Jvm
Java 8
Bytecode
What is the point of invokeinterface?
Jvm
Is this a JVM bug or "expected behavior"?
Java
Jvm
Compiler Optimization
Integer Overflow
How do I use the JAVA_OPTS environment variable?
Java
Jvm
What are the roots?
.Net
Garbage Collection
Jvm
Clr
Gc Roots
Why Clojure over other JVM Lisps: Kawa, Armed Bear or SISC?
Clojure
Jvm
Lisp
Kawa
What are hs_err_pid.log files generated when Tomcat crashes?
Java
Tomcat
Crash
Jvm
Young , Tenured and Perm generation
Java
Garbage Collection
Jvm
Heap Memory
Why does the JVM full GC need to stop-the-world?
Garbage Collection
Jvm
Installing Android Studio, does not point to a valid JVM installation error
Java
Android
Jvm
Environment Variables
Java Home
A simple "Hello World" needs 10G virtual memory on a 64-bit machine vs 1G at 32-bit?
Java
Memory Management
Jvm
64 Bit
Virtual Memory
What is the default encoding of the JVM?
Java
Encoding
Character Encoding
Jvm
Too many open files: how many are open, what they are, and how many can the JVM open
Java
Jvm
How can I specify the default JVM arguments for programs I run from eclipse?
Java
Eclipse
Jvm
time since JVM started
Java
Time
Jvm
What is the difference between the JRE and JVM?
Jvm
Java
How exactly does java compilation take place?
Java
Compiler Construction
Jvm
Setting JVM heap size at runtime
Java
Jvm
Runtime
Heap Memory
Why is the JVM slow to start?
Java
Jvm
Performance
Startup
How do I properly set the permgen size?
Java
Tomcat
Grails
Jvm
Permgen
Java stack overflow error - how to increase the stack size in Eclipse?
Java
Eclipse
Jvm
Stack Overflow
Jvm Arguments
What is the default maximum heap size for Sun's JVM from Java SE 6?
Java
Jvm
Memory Management
cannot start jstatd due to permission error
Java
Jvm
How does Java (JVM) allocate stack for each thread
Java
Memory
Jvm
What java.security.egd option is for?
Java
Jvm
Jmap can't connect to make a dump
Java
Jvm
Heap Memory
Integers caching in Java
Java
Optimization
Jvm
Profiling a running Java application in command line
Java
Performance
Command Line
Jvm
Profiling
What is a stack map frame
Java
Jvm
Bytecode
Stack Frame
Can Java class files use reserved keywords as names?
Java
Reflection
Jvm
.Class File
Is there a low-level difference between int[large][small] or int[small][large] in Java?
Java
Arrays
Memory
Multidimensional Array
Jvm
Check your module classpath for missing or conflicting dependencies
Java
Kotlin
Intellij Idea
Jvm
Kotlin Multiplatform
Scala on iOS using Avian
Iphone
Ios
Scala
Jvm
Avian
How to increase application heap size in Eclipse?
Eclipse
Jvm
Heap Memory
Support for Compressed Strings being Dropped in HotSpot JVM?
Java
Performance
Jvm
Java 7
64-bit JVM limited to 300GB of memory?
Java
Memory Management
Jvm
Cluster Computing
Can the JVM GC move objects in the middle of a reference comparison, causing a comparison to fail even when both sides refer to the same object?
Java
Garbage Collection
Jvm
Difference in Used, Committed and Max Heap Memory
Java
Apache Spark
Memory Management
Jvm
Spark Streaming
Clarification of meaning new JVM memory parameters InitialRAMPercentage and MinRAMPercentage
Java
Docker
Jvm
Java: Which of multiple resources on classpath JVM takes?
Java
Resources
Jvm
Classpath
Loading
Cannot assign requested address using ServerSocket.socketBind
Java
Sockets
Jvm
Bind
Why invokeSpecial is needed when invokeVirtual exists
Java
Jvm
Bytecode
What can you not do on the Dalvik VM (Android's VM) that you can in Sun VM?
Java
Android
Jvm
Dalvik
Strange exception table entry produced by Sun's javac
Java
Jvm
Bytecode
Scope of the Java System Properties
Java
Jvm
System Properties
Why is Clojure named Clojure
Clojure
Jvm
How JVM stack, heap and threads are mapped to physical memory or operation system
Java
C++
Memory
Jvm
Runtime
Method invocation instruction (invokevirtual/invokestatic) is substituted by some unexpected instructions
Java
Jvm
Bytecode
Java Bytecode-Asm
Registering multiple keystores in JVM
Java
Ssl
Cryptography
Jvm
Jsse
What is the difference between def foo = {} and def foo() = {} in Scala?
Scala
Programming Languages
Functional Programming
Jvm
Jvm Languages
Differences between Just in Time compilation and On Stack Replacement
Java
Compiler Construction
Jvm
Jit
Vm Implementation
Eclipse gives “Java was started but returned exit code 13”
Java
Eclipse
Jvm
Hidden performance cost in Scala?
Java
Performance
Scala
Jvm
Microbenchmark
PHPStorm/Webstorm increase memory to more than 512MB
Jvm
Out of-Memory
Phpstorm
Webstorm
Windows 7-X64
Java's "os.name" for Windows 10?
Java
Operating System
Jvm
Windows 10
Getproperty
Do any compilers for the JVM use the "wide" goto?
Java
Jvm
Goto
Increase JVM heap size for Scala?
Scala
Command Line
Jvm
Heap Memory
How are coroutines implemented in JVM langs without JVM support?
Java
Scala
Jvm
Kotlin
Jvm Languages
The output -1 becomes a slash in the loop
Java
String
While Loop
Jvm
Jit
Eclipse: stop code from running (java)
Java
Eclipse
Jvm
-XX:MaxPermSize with or without -XX:PermSize
Java
Jvm
Jvm Hotspot
Permgen
Difference between Resident Set Size (RSS) and Java total committed memory (NMT) for a JVM running in Docker container
Java
Linux
Memory
Docker
Jvm
Can the JVM recover from an OutOfMemoryError without a restart
Java
Jvm
Out of-Memory
MethodHandle - What is it all about?
Java
Jvm
Java 7
Invokedynamic
Methodhandle
What's the size cost of Java inheritance?
Java
Oop
Inheritance
Jvm
Internal Representation
Why indirect increment is faster than direct inc?
Java
Performance
Jvm
Why does the JVM require warmup?
Java
Garbage Collection
Jvm
Low Latency
Hft
Distinguishing between Java threads and OS threads?
Java
Linux
Jvm
Multithreading
Posix
What is in Java object header?
Java
Jvm
Java Memory-Model
Object Layout
Jol
Why does the Java compiler 11 use invokevirtual to call private methods?
Java
Java 8
Jvm
Javac
Java 11
Default values for Xmx, Xms, MaxPermSize on non-server-class machines
Jvm
Jvm Arguments
jstack - well-known file is not secure
Java
Jvm
Jstack
Java thread dump: Difference between "waiting to lock" and "parking to wait for"?
Java
Multithreading
Locking
Jvm
Thread Dump
Does Kotlin support Java 11?
Gradle
Kotlin
Jvm