"UT000128: Remote peer closed connection before all data could be read" error messages are happened in JBoss EAP 7

Issue

• The following UT000128: Remote peer closed connection before all data could be read error message is written in server.log sometimes:

YYYY-MM-DD hh:mm:ss,SSS ERROR [io.undertow.request] (default task-2) UT005023: Exception handling request to /<context>/<servlet>: java.lang.RuntimeException: java.io.IOException: UT000128: Remote peer closed connection before all data could be read
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.spec.HttpServletRequestImpl.parseFormData(HttpServletRequestImpl.java:859)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.spec.HttpServletRequestImpl.getParameter(HttpServletRequestImpl.java:730)
    at deployment.basic-webapp-sample.war//test.servlet.HelloWorldPostedServlet.service(HelloWorldPostedServlet.java:16)
    at javax.servlet.api@2.0.0.Final-redhat-00001//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
    at org.wildfly.extension.undertow@7.4.0.GA-redhat-00005//org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:117)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)

...snip...

Caused by: java.io.IOException: UT000128: Remote peer closed connection before all data could be read
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.conduits.FixedLengthStreamSourceConduit.exitRead(FixedLengthStreamSourceConduit.java:338)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.conduits.FixedLengthStreamSourceConduit.read(FixedLengthStreamSourceConduit.java:255)
    at org.jboss.xnio@3.8.4.Final-redhat-00001//org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.channels.DetachableStreamSourceChannel.read(DetachableStreamSourceChannel.java:209)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.server.HttpServerExchange$ReadDispatchChannel.read(HttpServerExchange.java:2419)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.server.handlers.form.FormEncodedDataDefinition$FormEncodedDataParser.doParse(FormEncodedDataDefinition.java:136)
    at io.undertow.core@2.2.5.Final-redhat-00001//io.undertow.server.handlers.form.FormEncodedDataDefinition$FormEncodedDataParser.parseBlocking(FormEncodedDataDefinition.java:294)
    at io.undertow.servlet@2.2.5.Final-redhat-00001//io.undertow.servlet.spec.HttpServletRequestImpl.parseFormData(HttpServletRequestImpl.java:853)
    ... 54 more