Unable to launch the app on iphone after upgrading appium to 1.5.3 and xcode 7

I am getting this logs on appium GUI.I am not able to figure out what is the problem with the help of these logs.Any help on this is great! thanks in advance.

[MJSONWP] Calling AppiumDriver.getStatus() with args: []
[HTTP] --> GET /wd/hub/status {}
[MJSONWP] Calling AppiumDriver.getStatus() with args: []
[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…

[HTTP] <-- GET /wd/hub/status 200 8 ms - 83
[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…
[HTTP] <-- GET /wd/hub/status 200 14 ms - 83

[HTTP] --> GET /wd/hub/status {}

[MJSONWP] Calling AppiumDriver.getStatus() with args: []
[HTTP] --> GET /wd/hub/status {}
[MJSONWP] Calling AppiumDriver.getStatus() with args: []

[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…
[HTTP] <-- GET /wd/hub/status 200 9 ms - 83
[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…
[HTTP] <-- GET /wd/hub/status 200 16 ms - 83

[HTTP] --> GET /wd/hub/status {}

[MJSONWP] Calling AppiumDriver.getStatus() with args: []
[HTTP] --> GET /wd/hub/status {}
[MJSONWP] Calling AppiumDriver.getStatus() with args: []
[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…

[HTTP] <-- GET /wd/hub/status 200 8 ms - 83
[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…
[HTTP] <-- GET /wd/hub/status 200 14 ms - 83

[HTTP] --> GET /wd/hub/status {}

[MJSONWP] Calling AppiumDriver.getStatus() with args: []
[HTTP] --> GET /wd/hub/status {}
[MJSONWP] Calling AppiumDriver.getStatus() with args: []
[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…

[HTTP] <-- GET /wd/hub/status 200 9 ms - 83
[MJSONWP] Responding to client with driver.getStatus() result: {“build”:{“version”:“1.5.3”…
[HTTP] <-- GET /wd/hub/status 200 15 ms - 83

I tried this command by seeing the other issues.But no luck

sudo chmod -R 777 /var/db/lockdown/