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huxihx commented on KAFKA-6110: ------------------------------- Seems it's a duplicate of [KAFKA-6156|https://issues.apache.org/jira/browse/KAFKA-6156]. > Warning when running the broker on Windows > ------------------------------------------ > > Key: KAFKA-6110 > URL: https://issues.apache.org/jira/browse/KAFKA-6110 > Project: Kafka > Issue Type: Bug > Environment: Windows 10 VM > Reporter: Vahid Hashemian > Priority: Minor > > *This issue exists in 1.0.0-RC2.* > The following warning appears in the broker log at startup: > {code} > [2017-10-23 15:29:49,370] WARN Error processing > kafka.log:type=LogManager,name=LogDirectoryOffline,logDirectory=C:\tmp\kafka-logs > (com.yammer.metrics.reporting.JmxReporter) > javax.management.MalformedObjectNameException: Invalid character ':' in value > part of property > at javax.management.ObjectName.construct(ObjectName.java:618) > at javax.management.ObjectName.<init>(ObjectName.java:1382) > at > com.yammer.metrics.reporting.JmxReporter.onMetricAdded(JmxReporter.java:395) > at > com.yammer.metrics.core.MetricsRegistry.notifyMetricAdded(MetricsRegistry.java:516) > at > com.yammer.metrics.core.MetricsRegistry.getOrAdd(MetricsRegistry.java:491) > at > com.yammer.metrics.core.MetricsRegistry.newGauge(MetricsRegistry.java:79) > at > kafka.metrics.KafkaMetricsGroup$class.newGauge(KafkaMetricsGroup.scala:80) > at kafka.log.LogManager.newGauge(LogManager.scala:50) > at kafka.log.LogManager$$anonfun$6.apply(LogManager.scala:117) > at kafka.log.LogManager$$anonfun$6.apply(LogManager.scala:116) > at > scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) > at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48) > at kafka.log.LogManager.<init>(LogManager.scala:116) > at kafka.log.LogManager$.apply(LogManager.scala:799) > at kafka.server.KafkaServer.startup(KafkaServer.scala:222) > at > kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:38) > at kafka.Kafka$.main(Kafka.scala:92) > at kafka.Kafka.main(Kafka.scala) > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)