ADDITIONAL SYSTEM INFORMATION :

13:40:00 INFO Initializing Spring root WebApplicationContext
2018-11-20 13:40:01.303 java[25505:382535] !!! BUG: The current event queue and the main event queue are not the same. Events will not be handled correctly. This is probably because _TSGetMainThread was called for the first time off the main thread.
2018-11-20 13:40:01.313 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.325 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.326 java[25505:382535] pid(25505)/euid(501) is calling TIS/TSM in non-main thread environment, ERROR : This is NOT allowed. Please call TIS/TSM in main thread!!!
2018-11-20 13:40:01.421 java[25505:382535] *** Assertion failure in void assertRunningOnAppKitThread(void)(), /BuildRoot/Library/Caches/com.apple.xbs/Sources/ViewBridge/ViewBridge-401.1/ViewBridgeUtilities.m:912
2018-11-20 13:40:01.423 java[25505:382535] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'not running on AppKit (main) thread'
*** First throw call stack:
(
0 CoreFoundation 0x00007fff30cb8e65 __exceptionPreprocess + 256
1 libobjc.A.dylib 0x00007fff5cd13720 objc_exception_throw + 48
2 CoreFoundation 0x00007fff30cd3ab2 +[NSException raise:format:arguments:] + 98
3 Foundation 0x00007fff330c6dfd -[NSAssertionHandler handleFailureInFunction:file:lineNumber:description:] + 166
4 ViewBridge 0x00007fff59dda8ea __26+[NSRemoteView initialize]_block_invoke + 15
5 libdispatch.dylib 0x00007fff5dd92d53 _dispatch_call_block_and_release + 12
6 libdispatch.dylib 0x00007fff5dd93dcf _dispatch_client_callout + 8
7 libdispatch.dylib 0x00007fff5dd9ef63 _dispatch_main_queue_callback_4CF + 1125
8 CoreFoundation 0x00007fff30c01e8b __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
9 CoreFoundation 0x00007fff30c0159a __CFRunLoopRun + 2335
10 CoreFoundation 0x00007fff30c00a28 CFRunLoopRunSpecific + 463
11 HIToolbox 0x00007fff2fe99b35 RunCurrentEventLoopInMode + 293
12 HIToolbox 0x00007fff2fe9986b ReceiveNextEventCommon + 618
13 HIToolbox 0x00007fff2fe995e8 _BlockUntilNextEventMatchingListInModeWithFilter + 64
14 AppKit 0x00007fff2e155eb7 _DPSNextEvent + 997
15 AppKit 0x00007fff2e154c56 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1362
16 libosxapp.dylib 0x000000010c1383aa -[NSApplicationAWT nextEventMatchingMask:untilDate:inMode:dequeue:] + 124
17 AppKit 0x00007fff2e14ecb9 -[NSApplication run] + 699
18 libosxapp.dylib 0x000000010c13814d +[NSApplicationAWT runAWTLoopWithApp:] + 156
19 libawt_lwawt.dylib 0x0000000128d10ff7 -[AWTStarter starter:] + 905
20 Foundation 0x00007fff32ffcabb __NSThreadPerformPerform + 327
21 CoreFoundation 0x00007fff30c1e155 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
22 CoreFoundation 0x00007fff30c1e0fb __CFRunLoopDoSource0 + 108
23 CoreFoundation 0x00007fff30c01b95 __CFRunLoopDoSources0 + 195
24 CoreFoundation 0x00007fff30c0113e __CFRunLoopRun + 1219
25 CoreFoundation 0x00007fff30c00a28 CFRunLoopRunSpecific + 463
26 java 0x0000000105cf8465 CreateExecutionEnvironment + 871
27 java 0x0000000105cf418c JLI_Launch + 1952
28 java 0x0000000105cfa4c2 main + 101
29 java 0x0000000105cf39e4 start + 52
30 ??? 0x0000000000000008 0x0 + 8
)
libc++abi.dylib: terminating with uncaught exception of type NSException

A DESCRIPTION OF THE PROBLEM :
I have an embedded Tomcat WebApp that uses Spring. When initializing, the java runtime crashes every time. Java 8 update 191, OS X 10.14.1




FREQUENCY : always