Java Could not be launched

shashwat01
shashwat01 Altair Community Member
edited November 5 in Community Q&A

Hi, got the same error after reinstalling. I went to the second step and ran the BAT file. got the below error trace:

java.lang.UnsupportedClassVersionError: com/rapidminer/extension/operator_toolbox/ioobjects/model/meta/SubSetModel 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(ClassLoader.java:756)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at com.rapidminer.tools.plugin.PluginClassLoader.loadClass(PluginClassLoader.java:112)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at com.rapidminer.tools.ClassColorMap.parseKey(ClassColorMap.java:45)
at com.rapidminer.tools.ClassColorMap.parseKey(ClassColorMap.java:30)
at com.rapidminer.tools.ParentResolvingMap.parseProperties(ParentResolvingMap.java:57)
at com.rapidminer.gui.flow.processrendering.draw.ProcessDrawUtils.registerAdditionalObjectColors(ProcessDrawUtils.java:130)
at com.rapidminer.tools.plugin.Plugin.registerDescriptions(Plugin.java:847)
at com.rapidminer.tools.plugin.Plugin.registerAllPluginDescriptions(Plugin.java:1119)
at com.rapidminer.tools.plugin.Plugin.initAll(Plugin.java:1719)
at com.rapidminer.RapidMiner.internalInit(RapidMiner.java:789)
at com.rapidminer.RapidMiner.init(RapidMiner.java:702)
at com.rapidminer.RapidMiner.init(RapidMiner.java:688)
at com.rapidminer.gui.RapidMinerGUI.run(RapidMinerGUI.java:436)
at com.rapidminer.gui.RapidMinerGUI.launch(RapidMinerGUI.java:1035)
at com.rapidminer.gui.RapidMinerGUI.main(RapidMinerGUI.java:967)
at com.rapidminer.launcher.GUILauncher.main(GUILauncher.java:330)

It is wasting a lot of time. Kindly assist

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