Memory leak in camel-salesforce producer endpoint

Start this camel route. Please make sure that "toD" is used with cacheSize="-1" option to abvoid caching a producer object <routes id="routes-cceccf9a-bdf4-472e-abb2-f7ff41042c9e" xmlns="http://camel.apache.org/schema/spring" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd"> <route autoStartup="true" id="_route1" trace="false"> <from id="_to2" uri="timer:timerName?repeatCount=5"/> <setHeader headerName="name" id="_setHeader1"> <simple>${date:now:yyyyMMdd'T'HHmm}</simple> </setHeader> <toD id="_to1" uri="salesforce:getVersions" cacheSize="-1" /> <log id="_log1" message=">>>>>camel-saleforce producer was executed"/> <onException id="_onException1"> <exception>java.lang.Exception</exception> <log id="_log3" message="exception: ${exception}"/> </onException> </route> </routes> After counting 5 times, run gc (ex:jcmd ${PID} GC.run) Check number of DefaultRestClient objects (ex: jmap -histo ${PID} | grep DefaultRestClient) By invoking the producer endpoint 5 times, 5 DefaultRestClient objects are still remained in the heap