Socket hang up due to WebDriverAgentRunner crash

The problem

A call to WebDriver.swipe causes a socket hang up exception, ie: selenium.common.exceptions.WebDriverException: Message: An unknown server-side error occurred while processing the command. Original error: Could not proxy command to remote server. Original error: Error: socket hang up

I have attached a crash file that was generated at the same time.

Environment

• Appium version (or git revision) that exhibits the issue: 1.7.2
• Last Appium version that did not exhibit the issue (if applicable): N/A
• Desktop OS/version used to run Appium: macOS High Sierra V 10.13.4
• Node.js version (unless using Appium.app|exe): v9.11.1
• Mobile platform/version under test: iOS 11.2, iPhone 7 simulator, Xcode V 9.3
• Real device or emulator/simulator: simulator
• Appium CLI or Appium.app|exe:

Details

See attached crash file WebDriverAgentRunner-Runner_2018-04-23-173535_slc-qa-autotest-2.crash.zip

Link to Appium logs

https://gist.github.com/gergm/59215196441d36b5df19ac6751a1cee1

Code To Reproduce Issue [ Good To Have ]

self.driver.swipe(x_coord_start, y_coord_start, x_coord_end, y_coord_end, duration=duration)

[ghost]

Downgrade appium java-client library to 5.0.0-BETA9. This version supports swipe operations and also supports iOS 11.3.

[vjmaiky]

use touch actions methods and update to a later appium version