运行standalone.bat文件时出现“此时意外”错误

Question

通过执行standalone.bat文件在Windows中启动jboss 6.4服务器时，我遇到以下错误：

?roundrobin was unexpected at this time.

日志：

C:\work\jboss-gradle-test\JbossDir\jboss-eap-6.4\bin>standalone.bat
Calling "C:\work\jboss-gradle-test\JbossDir\jboss-eap-6.4\bin\standalone.conf.bat"
Setting JAVA property to "C:\Program Files\Java\jdk1.8.0_152\bin\java"

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JBoss Bootstrap Environment

JBOSS_HOME: "C:\work\jboss-gradle-test\JbossDir\jboss-eap-6.4"

JAVA: "C:\Program Files\Java\jdk1.8.0_152\bin\java"

JAVA_OPTS: "-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=3M -XX:-TraceClassUnloading -XX:+UseCompressedOops -Dprogram.name=standalone.bat -Xms8G -Xmx8G -XX:MaxPermSize=512M -Djava.net.preferIPv4Stack=true  -Djboss.modules.policy-permissions=true  -Djboss.modules.system.pkgs=org.jboss.byteman -Djboss.as.management.blocking.timeout=6000 -DPRIMARY_CONNECTIONS_EAS=primary:\(127.0.0.1\)?roundrobin=false,fresh=false,retry=2,recoverInterval=16000,handlertimeout=25000,overalltimeout=25000"

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?roundrobin was unexpected at this time.