Liberxue commented on issue #1149: [ISSUE #1147]Broker will report Exception if open the aclEnable and enableDLegerCommitLog flag at the same time. URL: https://github.com/apache/rocketmq/pull/1149#issuecomment-502000550 ``` /Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/bin/java -Xms2g -Xmx2g -Xmn1g -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m "-javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=50130:/Applications/IntelliJ IDEA.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/liberxue/Documents/Code/java/rocketmq/broker/target/classes:/Users/liberxue/Documents/Code/java/rocketmq/common/target/classes:/Users/liberxue/.m2/repository/org/apache/commons/commons-lang3/3.4/commons-lang3-3.4.jar:/Users/liberxue/Documents/Code/java/rocketmq/store/target/classes:/Users/liberxue/.m2/repository/io/openmessaging/storage/dledger/0.1/dledger-0.1.jar:/Users/liberxue/.m2/repository/com/beust/jcommander/1.72/jcommander-1.72.jar:/Users/liberxue/.m2/repository/net/java/dev/jna/jna/4.2.2/jna-4.2.2.jar:/Users/liberxue/Documents/Code/java/rocketmq/remoting/target/classes:/Users/liberxue/.m2/repository/io/netty/netty-all/4.0.42.Final/netty-all-4.0.42.Final.jar:/Users/liberxue/Documents/Code/java/rocketmq/logging/target/classes:/Users/liberxue/.m2/repository/io/netty/netty-tcnative-boringssl-static/1.1.33.Fork26/netty-tcnative-boringssl-static-1.1.33.Fork26.jar:/Users/liberxue/Documents/Code/java/rocketmq/client/target/classes:/Users/liberxue/Documents/Code/java/rocketmq/srvutil/target/classes:/Users/liberxue/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/liberxue/.m2/repository/com/google/guava/guava/19.0/guava-19.0.jar:/Users/liberxue/Documents/Code/java/rocketmq/filter/target/classes:/Users/liberxue/Documents/Code/java/rocketmq/acl/target/classes:/Users/liberxue/.m2/repository/org/yaml/snakeyaml/1.19/snakeyaml-1.19.jar:/Users/liberxue/.m2/repository/commons-codec/commons-codec/1.9/commons-codec-1.9.jar:/Users/liberxue/.m2/repository/ch/qos/logback/logback-classic/1.0.13/logback-classic-1.0.13.jar:/Users/liberxue/.m2/repository/ch/qos/logback/logback-core/1.0.13/logback-core-1.0.13.jar:/Users/liberxue/.m2/repository/com/alibaba/fastjson/1.2.51/fastjson-1.2.51.jar:/Users/liberxue/.m2/repository/org/javassist/javassist/3.20.0-GA/javassist-3.20.0-GA.jar:/Users/liberxue/.m2/repository/org/slf4j/slf4j-api/1.7.7/slf4j-api-1.7.7.jar org.apache.rocketmq.broker.BrokerStartup -c /Users/liberxue/Documents/Code/java/rocketmq/distribution/target/rocketmq-4.5.1/rocketmq-4.5.1/conf/dledger/broker-n0.conf java.lang.ClassCastException: java.lang.Class cannot be cast to org.apache.rocketmq.acl.AccessValidator at org.apache.rocketmq.broker.BrokerController.initialAcl(BrokerController.java:503) at org.apache.rocketmq.broker.BrokerController.initialize(BrokerController.java:470) at org.apache.rocketmq.broker.BrokerStartup.createBrokerController(BrokerStartup.java:231) at org.apache.rocketmq.broker.BrokerStartup.main(BrokerStartup.java:64) ``` # rocketmq version >>> 4.5.1 commit 40c255d6b55b03fbff8cd7c1d78af6f5edcab5fa (HEAD -> master, origin/master, origin/HEAD) 
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