HTTP Request Parsing Error in Flowable Task

I’m getting the following error in the Flowable Task log.

flowable-task           | 2019-12-18 03:07:28.992  INFO 1 --- [nio-9999-exec-8] o.a.c.h.Http11Processor                  : Error parsing HTTP request header
flowable-task           |  Note: further occurrences of HTTP request parsing errors will be logged at DEBUG level.
flowable-task           |
flowable-task           | java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens
flowable-task           |       at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:415) ~[tomcat-embed-core-9.0.21.jar!/:9.0.21]
flowable-task           |       at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:294) [tomcat-embed-core-9.0.21.jar!/:9.0.21]
flowable-task           |       at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-9.0.21.jar!/:9.0.21]
flowable-task           |       at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:853) [tomcat-embed-core-9.0.21.jar!/:9.0.21]
flowable-task           |       at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1587) [tomcat-embed-core-9.0.21.jar!/:9.0.21]
flowable-task           |       at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.21.jar!/:9.0.21]
flowable-task           |       at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:?]
flowable-task           |       at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:?]
flowable-task           |       at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.21.jar!/:9.0.21]
flowable-task           |       at java.lang.Thread.run(Unknown Source) [?:?]

Are you using HTTPS when only HTTP on localhost is supported? See this Stackoverflow post.