Java autocompletion popup displaying wrong suggestion

[didxga]

Oni Version: 0.3.9 Operating System:Mac Mojave

Issue: Java Autocomplete popup displaying wrong suggestion

Expected behavior: the Java autocomplete popup display the list of suggested functions based on user type

Actual behavior: all suggested functions are the same

Screenshot of the problem - the suggestion is wrong with all same functions:

Steps to reproduce: follow the instruction from: official document

Here is my config.js - the relevant part is "language.java.languageServer":

"use strict";
exports.__esModule = true;
exports.activate = function (oni) {
    console.log("config activated");
    // Input
    //
    // Add input bindings here:
    //
    oni.input.bind("<c-enter>", function () { return console.log("Control+Enter was pressed"); });
    //
    // Or remove the default bindings here by uncommenting the below line:
    //
    // oni.input.unbind("<c-p>")
};
exports.deactivate = function (oni) {
    console.log("config deactivated");
};
exports.configuration = {
    //add custom config here, such as
    "ui.colorscheme": "onedark",
    // UI customizations
    "ui.animations.enabled": true,
    "ui.fontSmoothing": "auto",
    "language.java.languageServer.command": "/Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home/bin/java",
    "language.java.languageServer.arguments": [
     "-Declipse.application=org.eclipse.jdt.ls.core.id1",
     "-Dosgi.bundles.defaultStartLevel=4",
     "-Declipse.product=org.eclipse.jdt.ls.core.product",
     "-Dlog.level=NONE",
     "-noverify",
     "-Xmx1G",
     "-jar",
     "/Users/carterchen/DevTools/jdt-language-server-latest/plugins/org.eclipse.equinox.launcher_1.5.0.v20180119-0753.jar",
     "-configuration",
     "/Users/carterchen/DevTools/jdt-language-server-latest/config_mac",
     "-data"
 ],
 "language.java.languageServer.rootFiles": ["pom.xml"]
};

Best

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