MobileWebSelendroidMode.log

~/Java_Projects/Appium/appium$node .
info: Welcome to Appium v1.2.3 (REV 90d746b373f55e8653a251d2ce8c62df37941919)
info: Appium REST http interface listener started on 0.0.0.0:4723
info: Console LogLevel: debug
info: --> POST /wd/hub/session {"desiredCapabilities":{"automationName":"Selendroid","platformVersion":"4.4.2","platformName":"Android","deviceName":"Android","browserName":"Chrome"}}
info: [debug] No appActivity desired capability or server param. Parsing from apk.
info: [debug] No appPackage desired capability or server param. Parsing from apk.
error: No app set; either start appium with --app or pass in an 'app' value in desired capabilities, or set androidPackage to launch pre-existing app on device
info: [debug] Got configuration error, not starting session
info: [debug] Cleaning up appium session
error: Failed to start an Appium session, err was: Error: No app set; either start appium with --app or pass in an 'app' value in desired capabilities, or set androidPackage to launch pre-existing app on device
info: [debug] Error: No app set; either start appium with --app or pass in an 'app' value in desired capabilities, or set androidPackage to launch pre-existing app on device
    at androidCommon.configure (/home/adminuser/Java_Projects/Appium/appium/lib/devices/android/android-common.js:47:8)
    at Appium.configure (/home/adminuser/Java_Projects/Appium/appium/lib/appium.js:273:15)
    at Appium.start (/home/adminuser/Java_Projects/Appium/appium/lib/appium.js:105:10)
    at Object.exports.createSession [as handle] (/home/adminuser/Java_Projects/Appium/appium/lib/server/controller.js:179:16)
    at next_layer (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/route.js:113:13)
    at Route.dispatch (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/route.js:117:5)
    at /home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:222:24
    at Function.proto.process_params (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:288:12)
    at next (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:216:19)
    at next (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:180:38)
info: [debug] Responding to client with error: {"status":33,"value":{"message":"A new session could not be created. (Original error: No app set; either start appium with --app or pass in an 'app' value in desired capabilities, or set androidPackage to launch pre-existing app on device)","origValue":"No app set; either start appium with --app or pass in an 'app' value in desired capabilities, or set androidPackage to launch pre-existing app on device"},"sessionId":null}
info: <-- POST /wd/hub/session 500 9.524 ms - 426 
error: Unexpected error: Error: Can't set headers after they are sent.
    at ServerResponse.OutgoingMessage.setHeader (http.js:689:11)
    at ServerResponse.res.set.res.header (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/response.js:561:10)
    at ServerResponse.res.send (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/response.js:133:12)
    at ServerResponse.res.json (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/response.js:210:15)
    at ServerResponse.res.send (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/response.js:121:21)
    at /home/adminuser/Java_Projects/Appium/appium/lib/server/helpers.js:42:9
    at safely (/home/adminuser/Java_Projects/Appium/appium/lib/server/helpers.js:306:5)
    at Layer.module.exports.catchAllHandler [as handle] (/home/adminuser/Java_Projects/Appium/appium/lib/server/helpers.js:41:3)
    at trim_prefix (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:261:17)
    at /home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:225:9 context: [POST /wd/hub/session {"desiredCapabilities":{"automationName":"Selendroid","platformVersion":"4.4.2","platformName":"Android","deviceName":"Android","browserName":"Chrome"}}]
TypeError: Cannot set property 'onResetTimeout' of null
    at Appium.configure (/home/adminuser/Java_Projects/Appium/appium/lib/appium.js:275:30)
    at Appium.start (/home/adminuser/Java_Projects/Appium/appium/lib/appium.js:105:10)
    at Object.exports.createSession [as handle] (/home/adminuser/Java_Projects/Appium/appium/lib/server/controller.js:179:16)
    at next_layer (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/route.js:113:13)
    at Route.dispatch (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/route.js:117:5)
    at /home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:222:24
    at Function.proto.process_params (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:288:12)
    at next (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:216:19)
    at next (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:180:38)
    at next (/home/adminuser/Java_Projects/Appium/appium/node_modules/express/lib/router/index.js:180:38)