[debug] [iProxy] recv failed: Resource temporarily unavailable.

appium_server.log

[HTTP] --> POST /wd/hub/session/2c7c925c-6a3f-45ff-b8e5-56bcf011b15d/element {"using":"xpath","value":"(//*)[@*[.='TEXT TO FIND.']]"}
[debug] [MJSONWP] Calling AppiumDriver.findElement() with args: ["xpath","(//*)[@*[.='TEXT TO FIND.']]","2c7c925c-6a3f-45ff-b8e5-56bcf011b15d"]
[debug] [XCUITest] Executing command 'findElement'
[debug] [BaseDriver] Valid locator strategies for this request: xpath, id, name, class name, -ios predicate string, accessibility id
[debug] [BaseDriver] Waiting up to 0 ms for condition
[debug] [JSONWP Proxy] Proxying [POST /element] to [POST http://localhost:8100/session/4A609B7B-565D-404A-8110-AC2B2ECA5E74/element] with body: {"using":"xpath","value":"(//*)[@*[.='TEXT TO FIND.']]"}
[debug] [iProxy] recv failed: Resource temporarily unavailable
[HTTP] <-- POST /wd/hub/session/2c7c925c-6a3f-45ff-b8e5-56bcf011b15d/element 500 240011 ms - 164
[HTTP] --> GET /wd/hub/session/2c7c925c-6a3f-45ff-b8e5-56bcf011b15d/screenshot {}
[MJSONWP] Driver proxy active, passing request on via HTTP proxy
[debug] [XCUITest] Executing command 'proxyReqRes'
[debug] [JSONWP Proxy] Proxying [GET /wd/hub/session/2c7c925c-6a3f-45ff-b8e5-56bcf011b15d/screenshot] to [GET http://localhost:8100/session/4A609B7B-565D-404A-8110-AC2B2ECA5E74/screenshot] with body: {}
[debug] [JSONWP Proxy] Got response with status 200: "{\n  \"value\" : \"iVBORw0KGgoAAAANSUhEUgAAAu4AAAU2CAYAAADK1zMGAAAAAXNSR0IArs4c6QAA\\r\\nABxpRE9UAAAAAgAAAAAAAAKbAAAAKAAAApsAAAKbAAlTr1mLqqwAAEAASURBVHgB\\etc...
[JSONWP Proxy] Replacing sessionId 4A609B7B-565D-404A-8110-AC2B2ECA5E74 with 2c7c925c-6a3f-45ff-b8e5-56bcf011b15d
[HTTP] <-- GET /wd/hub/session/2c7c925c-6a3f-45ff-b8e5-56bcf011b15d/screenshot 200 203728 ms - 2070966