![]() ![]() ![]() Still having problems? See the Troubleshooting Guide, let us know using the Feedback page or file a bug. ![]() Local Applications Cannot Be Detected dialog is shown after VisualVM startup: this can happen on Windows systems, see the Troubleshooting Guide for more details and steps to fix the problem.VisualVM startup terminates by Warning - could not install some modules message: this can happen if you unzip the VisualVM archive over an older VisualVM version, make sure you are unzipping the VisualVM to a new directory.VisualVM startup terminates by Error Starting VisualVM Dialog - unsupported version of Java: this typically happens when JRE or incorrect JDK version is used to run VisualVM, make sure VisualVM is running using Oracle JDK 8+.Incorrectly set VisualVM user directory - if you have defined VisualVM user directory manually, make sure it is outside of VisualVM installation directory.Incorrectly set JDK for running VisualVM - if you have defined a JDK to run VisualVM manually, make sure the path to the JDK is correct and doesn't end with a slash.Incorrect JDK is used for running VisualVM - if you haven't defined a JDK to run VisualVM manually, make sure that the default Java on your system is Oracle JDK 8+.VisualVM waits for license confirmation - make sure you haven't overlooked the License Agreement dialog.The download is broken - make sure you've got the correct bits (archive managers typically notify you when the archive is broken).VisualVM doesn't start: there are several problems which could prevent VisualVM from starting without any obvious reason:.Check out the Getting Started document, it's designed to help you start using VisualVM.You may provide additional options to define JDK and/or VisualVM user directory: Visualvm\bin\visualvm.exe or visualvm/bin/visualvm Use these instructions to install Java software on your desktop. Start VisualVM by invoking the binary appropriate for your OS: The installation of Java (also known as the Java Runtime Environment or JRE) is a simple process on Windows, Mac, Linux or Solaris.The archive already contains the top-level visualvm directory. Let your program consist of a single class and is a module tryout, that is, except com/example/MainClass.java you have and module-info.java (in the default package, i.e. For more information, see Windows Online Installation and Java Update FAQ. Using this installer can help you avoid downloading large amounts of unnecessary files. If you want to send your program to an end user who now does not have a suitable JRE and does not want to install the JDK, you should create a runtime environment (some kind of old JRE) that will include only the necessary Java modules, including the module of your program.įor example, let's analyze a simple Hello world. The Windows x86 Online Installer is a small program that will download more installer files based on your system configuration. You don't have to delete the old JDK, it won't hurt. It's best to just delete the old Public JRE. At the same time, you should take into account that in Windows, the installers of the old Public JRE copied java.exe to the C:\Windows\System32 directory, which is also registered in PATH. If you want to do this from the command line, you should make sure that the path to java or to java.exe from JDK11 is set, in the environment variable PATH, before the path to java or to java.exe of older JREs. If you are a developer, you can run your program using JDK 11. ![]()
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