REST compare API has buffer leak issue, so "LEAK: ByteBuf.release() was not called before it's garbage-collected" error message is logged on RHDG 8.4.1+

Issue

The following ERROR message is sporadically logged when starting RHDG 8.4.1+ node on OCP environment. What causes this?

ERROR (non-blocking-thread--p2-t47) [io.netty.util.ResourceLeakDetector] LEAK: ByteBuf.release() was not called before it's garbage-collected. See https://netty.io/wiki/reference-counted-objects.html for more information.
Recent access records: 
Created at:
    io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:404)
    io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:188)
    io.netty.buffer.UnsafeByteBufUtil.copy(UnsafeByteBufUtil.java:454)
    io.netty.buffer.PooledUnsafeDirectByteBuf.copy(PooledUnsafeDirectByteBuf.java:216)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.loadDataMultipartOptimized(HttpPostMultipartRequestDecoder.java:1236)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.decodeMultipart(HttpPostMultipartRequestDecoder.java:560)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.findMultipartDisposition(HttpPostMultipartRequestDecoder.java:815)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.decodeMultipart(HttpPostMultipartRequestDecoder.java:512)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.findMultipartDelimiter(HttpPostMultipartRequestDecoder.java:664)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.decodeMultipart(HttpPostMultipartRequestDecoder.java:499)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.parseBodyMultipart(HttpPostMultipartRequestDecoder.java:470)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.parseBody(HttpPostMultipartRequestDecoder.java:433)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.offer(HttpPostMultipartRequestDecoder.java:348)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.<init>(HttpPostMultipartRequestDecoder.java:207)
    io.netty.handler.codec.http.multipart.HttpPostMultipartRequestDecoder.<init>(HttpPostMultipartRequestDecoder.java:160)
    org.infinispan.rest.resources.CacheResourceV2.compare(CacheResourceV2.java:398)
    org.infinispan.security.Security.doAs(Security.java:118)
    org.infinispan.rest.framework.impl.RestDispatcherImpl.dispatch(RestDispatcherImpl.java:83)
    org.infinispan.rest.RestRequestHandler.handleRestRequest(RestRequestHandler.java:200)
    org.infinispan.rest.RestRequestHandler.lambda$channelRead0$1(RestRequestHandler.java:179)
    java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859)
    java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837)
    java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
    java.base/java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:610)
    java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:840)
    java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
    io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173)
    io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:166)
    io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
    io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
    io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
    io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
    java.base/java.lang.Thread.run(Thread.java:829)