2.08版本获取不到kafka，zk，版本信息，jmx端口是开着的

[liquan00759]

[2021-12-15 17:19:01] Mx4jServiceImpl.Thread-310 - ERROR - JMX service url[10.255.50.54:9999] create has error,msg is [2021-12-15 17:19:01] Mx4jServiceImpl.Thread-310 - ERROR - JMX service url[10.255.50.55:9999] create has error,msg is java.lang.ClassCastException: java.rmi.ConnectException cannot be cast to javax.management.remote.JMXConnector at org.smartloli.kafka.eagle.common.util.JMXFactoryUtils.connectWithTimeout(JMXFactoryUtils.java:103) at org.smartloli.kafka.eagle.core.factory.Mx4jServiceImpl.common(Mx4jServiceImpl.java:231) at org.smartloli.kafka.eagle.core.factory.Mx4jServiceImpl.bytesOutPerSec(Mx4jServiceImpl.java:79) at org.smartloli.kafka.eagle.web.quartz.TopicRankSubTask$TopicThroughputThread.throughputByteOut(TopicRankSubTask.java:221) at org.smartloli.kafka.eagle.web.quartz.TopicRankSubTask$TopicThroughputThread.throughput(TopicRankSubTask.java:111) at org.smartloli.kafka.eagle.web.quartz.TopicRankSubTask$TopicThroughputThread.run(TopicRankSubTask.java:103) [2021-12-15 17:19:01] Mx4jServiceImpl.Thread-303 - ERROR - Get topic size from jmx has error, msg is java.rmi.ConnectException cannot be cast to javax.management.remote.JMXConnector [2021-12-15 17:19:02] Mx4jServiceImpl.Thread-310 - ERROR - JMX service url[10.255.50.53:9999] create has error,msg is java.lang.ClassCastException: java.rmi.ConnectException cannot be cast to javax.management.remote.JMXConnector at org.smartloli.kafka.eagle.common.util.JMXFactoryUtils.connectWithTimeout(JMXFactoryUtils.java:103) at org.smartloli.kafka.eagle.core.factory.Mx4jServiceImpl.common(Mx4jServiceImpl.java:231) at org.smartloli.kafka.eagle.core.factory.Mx4jServiceImpl.bytesOutPerSec(Mx4jServiceImpl.java:79) at org.smartloli.kafka.eagle.web.quartz.TopicRankSubTask$TopicThroughputThread.throughputByteOut(TopicRankSubTask.java:221) at org.smartloli.kafka.eagle.web.quartz.TopicRankSubTask$TopicThroughputThread.throughput(TopicRankSubTask.java:111) at org.smartloli.kafka.eagle.web.quartz.TopicRankSubTask$TopicThroughputThread.run(TopicRankSubTask.java:103) [2021-12-15 17:19:02] Mx4jServiceImpl.Thread-303 - ERROR - Get topic size from jmx has error, msg is java.rmi.ConnectException cannot be cast to javax.management.remote.JMXConnector [2021-12-15 17:19:02] Mx4jServiceImpl.Thread-303 - ERROR - Get topic size from jmx has error, msg is java.rmi.ConnectException cannot be cast to javax.management.remote.JMXConnector [2021-12-15 17:19:02] Mx4jServiceImpl.Thread-303 - ERROR - Get topic size from jmx has error, msg is java.rmi.ConnectException cannot be cast to javax.management.remote.JMXConnector

[liquan00759]

[2021-12-15 18:16:01] Mx4jServiceImpl.Thread-1044 - ERROR - Get topic size from jmx has error, msg is null [2021-12-15 18:16:01] Mx4jServiceImpl.Thread-1044 - ERROR - Get topic size from jmx has error, msg is null [2021-12-15 18:16:01] Mx4jServiceImpl.Thread-1044 - ERROR - Get topic size from jmx has error, msg is null

[MrGlory]

原因如下：https://blog.csdn.net/zhaofuqiangmycomm/article/details/88535690 在kafka-server-start.sh中开放jmx端口处增加-Djava.rmi.server.hostname参数可解决

 export KAFKA_HEAP_OPTS="-Xms2G -Xmx2G -Djava.rmi.server.hostname=域名\ip"
 export JMX_PORT="9999"

[Light-Towers]

原因如下：https://blog.csdn.net/zhaofuqiangmycomm/article/details/88535690 在kafka-server-start.sh中开放jmx端口处增加-Djava.rmi.server.hostname参数可解决

 export KAFKA_HEAP_OPTS="-Xms2G -Xmx2G -Djava.rmi.server.hostname=域名\ip"
 export JMX_PORT="9999"

多谢，解决我的问题

[hyhyf]

原因如下：https://blog.csdn.net/zhaofuqiangmycomm/article/details/88535690 在kafka-server-start.sh中开放jmx端口处增加-Djava.rmi.server.hostname参数可解决

 export KAFKA_HEAP_OPTS="-Xms2G -Xmx2G -Djava.rmi.server.hostname=域名\ip"
 export JMX_PORT="9999"

thanks a lot!