Failed to initialize language server due to "Internal error. Caused by: org.eclipse.core.runtime.AssertionFailedException: null argument:"

Full call stack:

Caused by: org.eclipse.core.runtime.AssertionFailedException: null argument:
	at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:92)
	at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:79)
	at org.eclipse.jdt.internal.launching.CommandLineShortener.<init>(CommandLineShortener.java:78)
	at org.eclipse.jdt.internal.launching.CommandLineShortener.<init>(CommandLineShortener.java:74)
	at org.eclipse.jdt.internal.launching.StandardVMRunner.getCommandLine(StandardVMRunner.java:500)
	at org.eclipse.jdt.internal.launching.StandardVMRunner.run(StandardVMRunner.java:528)
	at org.eclipse.jdt.launching.AbstractVMInstall.evaluateSystemProperties(AbstractVMInstall.java:398)
	at org.eclipse.jdt.internal.launching.environments.ExecutionEnvironmentAnalyzer.isFoundation1_0(ExecutionEnvironmentAnalyzer.java:219)
	at org.eclipse.jdt.internal.launching.environments.ExecutionEnvironmentAnalyzer.analyze(ExecutionEnvironmentAnalyzer.java:129)
	at org.eclipse.jdt.internal.launching.environments.Analyzer.analyze(Analyzer.java:43)
	at org.eclipse.jdt.internal.launching.environments.EnvironmentsManager.analyze(EnvironmentsManager.java:414)
	at org.eclipse.jdt.internal.launching.environments.EnvironmentsManager.initializeCompatibilities(EnvironmentsManager.java:321)
	at org.eclipse.jdt.internal.launching.environments.ExecutionEnvironment.init(ExecutionEnvironment.java:185)
	at org.eclipse.jdt.internal.launching.environments.ExecutionEnvironment.getDefaultVM(ExecutionEnvironment.java:227)
	at org.eclipse.jdt.ls.core.internal.JVMConfigurator.setDefaultEnvironmentVM(JVMConfigurator.java:235)
	at org.eclipse.jdt.ls.core.internal.JVMConfigurator.configureJVMs(JVMConfigurator.java:190)
	at org.eclipse.jdt.ls.core.internal.JVMConfigurator.configureJVMs(JVMConfigurator.java:105)
	at org.eclipse.jdt.ls.core.internal.handlers.BaseInitHandler.handleInitializationOptions(BaseInitHandler.java:119)
	at org.eclipse.jdt.ls.core.internal.handlers.InitHandler.handleInitializationOptions(InitHandler.java:105)
	at org.eclipse.jdt.ls.core.internal.handlers.BaseInitHandler.initialize(BaseInitHandler.java:64)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.initialize(JDTLanguageServer.java:284)
	... 17 more

Commencez par la trace de pile signalée, en suivant CommandLineShortener et StandardVMRunner jusqu’à JVMConfigurator lors de l’initialisation du serveur de langage. Reproduisez l’échec si possible et utilisez une initialisation réussie sans l’assertion d’argument nul comme critère d’achèvement.