Unable to create session

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Launching Appium server with command: C:\Program Files (x86)\Appium\node.exe lib\server\main.js --address 127.0.0.1 --port 4723 --platform-name Android --platform-version 22 --automation-name Appium --device-name “XAVIENT” --log-no-color
info: Welcome to Appium v1.4.16 (REV ae6877eff263066b26328d457bd285c0cc62430d)
info: Appium REST http interface listener started on 127.0.0.1:4723
info: [debug] Non-default server args: {“address”:“127.0.0.1”,“logNoColors”:true,“deviceName”:“XAVIENT”,“platformName”:“Android”,“platformVersion”:“22”,“automationName”:“Appium”}
info: Console LogLevel: debug
info: → POST /wd/hub/session {“capabilities”:{“desiredCapabilities”:{“browserName”:“CHROME”,“platformName”:“Android”,“version”:“5.1”,“deviceName”:“XAVIENT”,“platform”:“ANDROID”},“requiredCapabilities”:{}},“desiredCapabilities”:{“browserName”:“CHROME”,“platformName”:“Android”,“version”:“5.1”,“deviceName”:“XAVIENT”,“platform”:“ANDROID”},“requiredCapabilities”:{}}
info: Client User-Agent string: Apache-HttpClient/4.3.3 (java 1.5)
info: [debug] The following desired capabilities were provided, but not recognized by appium. They will be passed on to any other services running on this server. : version, platform
info: Set mode: Proxying straight through to Chromedriver
info: [debug] Looks like we want chrome on android
info: [debug] Creating new appium session 5905b80a-58ac-465f-8bca-8f9aa2c1875a
info: [debug] Checking whether adb is present
warn: The ANDROID_HOME environment variable is not set to the Android SDK root directory path. ANDROID_HOME is required for compatibility with SDK 23+. Checking along PATH for adb.
info: [debug] executing cmd: where adb
info: [debug] Using adb from C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe

info: [debug] Using fast reset? true
info: [debug] Preparing device for session
info: [debug] Not checking whether app is present since we are assuming it’s already on the device
info: Retrieving device
info: [debug] Trying to find a connected android device
info: [debug] Getting connected devices…
info: [debug] executing cmd: “C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe” devices
info: [debug] 2 device(s) connected
info: Found device TA17606OND
info: [debug] Setting device id to TA17606OND
info: [debug] Waiting for device to be ready and to respond to shell commands (timeout = 5)
info: [debug] executing cmd: “C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe” -s TA17606OND wait-for-device
info: [debug] executing cmd: “C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe” -s TA17606OND shell “echo ‘ready’”
info: [debug] Starting logcat capture
error: Logcat capture failed: spawn “C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe” ENOENT
error: Failed to start an Appium session, err was: Error: spawn “C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe” ENOENT
info: [debug] Cleaning up appium session
info: [debug] Error: spawn “C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe” ENOENT
at exports._errnoException (util.js:746:11)
at Process.ChildProcess._handle.onexit (child_process.js:1054:32)
at child_process.js:1145:20
at process._tickDomainCallback (node.js:381:11)
info: [debug] Responding to client with error: {“status”:33,“value”:{“message”:“A new session could not be created. (Original error: spawn "C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe" ENOENT)”,“code”:“ENOENT”,“errno”:“ENOENT”,“syscall”:“spawn "C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe"”,“path”:“"C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe"”,“origValue”:“spawn "C:\Users\abhardwaj\android-sdk-windows\platform-tools\adb.exe" ENOENT”},“sessionId”:null}
info: ← POST /wd/hub/session 500 476.002 ms - 490

my code is :-
public static void launchConfig() throws MalformedURLException
{
DesiredCapabilities capability = DesiredCapabilities.android();
capability.setCapability(MobileCapabilityType.BROWSER_NAME,BrowserName.CHROME);
capability.setCapability(MobileCapabilityType.PLATFORM,Platform.ANDROID);
capability.setCapability(MobileCapabilityType.PLATFORM_NAME, “Android”);
capability.setCapability(MobileCapabilityType.DEVICE_NAME,“XAVIENT”);
capability.setCapability(MobileCapabilityType.PLATFORM_VERSION,“5.1”);
URL url = new URL(“http://127.0.0.1:4723/wd/hub”);
WebDriver driver = new AndroidDriver(url, capability);
driver.get(“http://facebook.com”);
System.out.println(driver.getTitle());