Hi ,
I also seeing the same issue,it fails to launch the app:
Appium server process ended
Killed Node Server.
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 23 --automation-name Appium --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,"platformName":"Android","platformVersion":"23","automationName":"Appium"}
info: Console LogLevel: debug
info: --> POST /wd/hub/session {"desiredCapabilities":{"appPackage":"io.appium.android.apis","appActivity":".ApiDemo","platformName":"Android","deviceName":"Shilpa"},"requiredCapabilities":{},"capabilities":{"desiredCapabilities":{"appPackage":"io.appium.android.apis","appActivity":".ApiDemo","platformName":"Android","deviceName":"Shilpa"},"requiredCapabilities":{},"alwaysMatch":{"platformName":"Android"},"firstMatch":[]}}
info: Client User-Agent string: Apache-HttpClient/4.5.3 (Java/1.8.0_131)
info: [debug] Didn't get app but did get Android package, will attempt to launch it on the device
info: [debug] Creating new appium session 113a4f3d-ca29-4fd5-83b6-4b59ae5a2b40
info: Starting android appium
info: [debug] Getting Java version
info: Java version is: 1.8.0_131
info: [debug] Checking whether adb is present
info: [debug] Using adb from C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe
warn: No app capability, can't parse package/activity
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\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe devices
info: [debug] 1 device(s) connected
info: Found device emulator-5554
info: [debug] Setting device id to emulator-5554
info: [debug] Waiting for device to be ready and to respond to shell commands (timeout = 5)
info: [debug] executing cmd: C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 wait-for-device
info: [debug] executing cmd: C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 shell "echo 'ready'"
info: [debug] Starting logcat capture
info: [debug] Getting device API level
info: [debug] executing cmd: C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 shell "getprop ro.build.version.sdk"
info: [debug] Device is at API Level 25
info: Device API level is: 25
info: [debug] Extracting strings for language: default
info: [debug] Apk doesn't exist locally
info: [debug] Could not get strings, but it looks like we had an old strings file anyway, so ignoring
info: [debug] executing cmd: C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 shell "rm -rf /data/local/tmp/strings.json"
info: [debug] Not uninstalling app since server not started with --full-reset
info: [debug] Skipping install since we launched with a package instead of an app path
info: [debug] Forwarding system:4724 to device:4724
info: [debug] executing cmd: C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 forward tcp:4724 tcp:4724
info: [debug] Pushing appium bootstrap to device...
info: [debug] executing cmd: C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 push "C:\Program Files (x86)\Appium\node_modules\appium\build\android_bootstrap\AppiumBootstrap.jar" /data/local/tmp/
info: [debug] Pushing settings apk to device...
info: [debug] executing cmd: C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 install "C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk"
info: [debug] Stopping logcat capture
info: [debug] Logcat terminated with code null, signal SIGTERM
info: [debug] Sent shutdown command, waiting for UiAutomator to stop...
warn: UiAutomator did not shut down fast enough, calling it gone
info: [debug] Cleaning up android objects
info: [debug] Cleaning up appium session
error: Failed to start an Appium session, err was: Error: Command failed: C:\Windows\system32\cmd.exe /s /c "C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 install "C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk""
Failed to install C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk: Failure [INSTALL_FAILED_ALREADY_EXISTS: Attempt to re-install io.appium.settings without first uninstalling.]
info: [debug] Error: Command failed: C:\Windows\system32\cmd.exe /s /c "C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 install "C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk""
Failed to install C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk: Failure [INSTALL_FAILED_ALREADY_EXISTS: Attempt to re-install io.appium.settings without first uninstalling.]
at ChildProcess.exithandler (child_process.js:751:12)
at ChildProcess.emit (events.js:110:17)
at maybeClose (child_process.js:1016:16)
at Socket.<anonymous> (child_process.js:1184:11)
at Socket.emit (events.js:107:17)
at Pipe.close (net.js:484:11)
info: [debug] Responding to client with error: {"status":33,"value":{"message":"A new session could not be created. (Original error: Command failed: C:\Windows\system32\cmd.exe /s /c \"C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 install \"C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk\"\"\nFailed to install C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk: Failure [INSTALL_FAILED_ALREADY_EXISTS: Attempt to re-install io.appium.settings without first uninstalling.]\r\n)","killed":false,"code":1,"signal":null,"cmd":"C:\Windows\system32\cmd.exe /s /c \"C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 install \"C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk\"\"","origValue":"Command failed: C:\Windows\system32\cmd.exe /s /c \"C:\Users\DELL\AppData\Local\Android\sdk\platform-tools\adb.exe -s emulator-5554 install \"C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk\"\"\nFailed to install C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk: Failure [INSTALL_FAILED_ALREADY_EXISTS: Attempt to re-install io.appium.settings without first uninstalling.]\r\n"},"sessionId":null}
info: <-- POST /wd/hub/session 500 8327.013 ms - 1384
