Hi Sun Shine, Thanks for trying out Hop!
You need Java 11 to be installed, not Java 8. Microsoft has a download of OpenJDK 11 that you can install. If it's already on your system alongside Java 8 you can point to the right installation with environment variable HOP_JAVA_HOME. Good luck, Matt Op di 25 okt. 2022 22:53 schreef Sun Shine <[email protected]>: > Hello: > > I am new to Apache HOP when i run the command "hop-gui.bat" on my Windows > OS laptop, i encounter this error as shown below. > > I would appreciate any help. > > Thanking in advance. > > ERROR:- > E:\hop>echo off > ===[Environment Settings - hop-gui.bat]=================================== > > Java identified as java > > HOP_OPTIONS=-Xmx2048m -DHOP_PLATFORM_OS=Windows -DHOP_PLATFORM_RUNTIME=GUI > -DHOP_AUTO_CREATE_CONFIG=Y > > Command to start Hop will be: > java -classpath lib\*;libswt\win64\* -Djava.library.path=lib -Xmx2048m > -DHOP_PLATFORM_OS=Windows -DHOP_PLATFORM_RUNTIME=GUI > -DHOP_AUTO_CREATE_CONFIG=Y org.apache.hop.ui.hopgui.HopGui > > ===[Starting Hop]========================================================= > Error: A JNI error has occurred, please check your installation and try > again > Exception in thread "main" java.lang.UnsupportedClassVersionError: > org/apache/hop/ui/hopgui/HopGui has been compiled by a more recent version > of the Java Runtime (class file version 55.0), this version of the Java > Runtime only recognizes class file versions up to 52.0 > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(Unknown Source) > at java.security.SecureClassLoader.defineClass(Unknown Source) > at java.net.URLClassLoader.defineClass(Unknown Source) > at java.net.URLClassLoader.access$100(Unknown Source) > at java.net.URLClassLoader$1.run(Unknown Source) > at java.net.URLClassLoader$1.run(Unknown Source) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source) > Press any key to continue . . . >
