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Code completion broken with IntelliCode

See original GitHub issue

Looks like latest release 0.55.0 broke server side snippets / code completions

Environment

Version: 1.41.1 Commit: 26076a4de974ead31f97692a0d32f90d735645c0 Date: 2019-12-18T15:04:31.999Z Electron: 6.1.5 Chrome: 76.0.3809.146 Node.js: 12.4.0 V8: 7.6.303.31-electron.0 OS: Linux x64 4.15.0-70-generic redhat.java: 0.55.0

Steps To Reproduce

Create empty MyClass.java file and type class to get basic package/class snippet to. This error is then logged in Language Support for Java output:

[Error - 10:53:29] 23-Dec-2019 10:53:29 Problems occurred when invoking code from plug-in: "org.eclipse.jdt.ls.core".
org.eclipse.jdt.ls.core.internal.contentassist.CompletionProposalRequestor.<init>(Lorg/eclipse/jdt/core/ICompilationUnit;I)V
java.lang.NoSuchMethodError: org.eclipse.jdt.ls.core.internal.contentassist.CompletionProposalRequestor.<init>(Lorg/eclipse/jdt/core/ICompilationUnit;I)V
	at com.microsoft.jdtls.intellicode.core.CompletionProvider.initializeRequestor(CompletionProvider.java:133)
	at com.microsoft.jdtls.intellicode.core.CompletionProvider.computeContentAssist(CompletionProvider.java:89)
	at com.microsoft.jdtls.intellicode.core.CompletionProvider.provideCompletionItems(CompletionProvider.java:60)
	at com.microsoft.jdtls.intellicode.core.CommandHandler.executeCommand(CommandHandler.java:57)
	at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler$1.run(WorkspaceExecuteCommandHandler.java:215)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler.executeCommand(WorkspaceExecuteCommandHandler.java:205)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$3(JDTLanguageServer.java:472)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$48(JDTLanguageServer.java:963)
	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
	at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

[Error - 10:53:29] 23-Dec-2019 10:53:29 Error in calling delegate command handler
org.eclipse.jdt.ls.core.internal.contentassist.CompletionProposalRequestor.<init>(Lorg/eclipse/jdt/core/ICompilationUnit;I)V
java.lang.NoSuchMethodError: org.eclipse.jdt.ls.core.internal.contentassist.CompletionProposalRequestor.<init>(Lorg/eclipse/jdt/core/ICompilationUnit;I)V
	at com.microsoft.jdtls.intellicode.core.CompletionProvider.initializeRequestor(CompletionProvider.java:133)
	at com.microsoft.jdtls.intellicode.core.CompletionProvider.computeContentAssist(CompletionProvider.java:89)
	at com.microsoft.jdtls.intellicode.core.CompletionProvider.provideCompletionItems(CompletionProvider.java:60)
	at com.microsoft.jdtls.intellicode.core.CommandHandler.executeCommand(CommandHandler.java:57)
	at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler$1.run(WorkspaceExecuteCommandHandler.java:215)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler.executeCommand(WorkspaceExecuteCommandHandler.java:205)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$3(JDTLanguageServer.java:472)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$48(JDTLanguageServer.java:963)
	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
	at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

Now I just wonder if this issue is coming from other plugin which hooks to jdt as I’m not that familiar with how that part works.