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    Delete the corrupted index files and on startup, Kafka server will rebuild it.

Solutions on the web

via Google Groups by Sergey Sopin, 1 year ago
requirement failed: Cannot push port (out1) twice
via GitHub by marekzebrowski
, 1 year ago
requirement failed: Region Actor[akka://ShardCoordinatorStartFailureSpec/system/testProbe-2#-1459131651] already registered: State(Map(),Map(Actor[akka://ShardCoordinatorStartFailureSpec/system/testProbe-2#-1459131651] -> Vector()),Set(),Set(),false)
via GitHub by akka-ci
, 1 year ago
requirement failed: Cannot push port (requestPrepOut) twice
via GitHub by jypma
, 1 year ago
requirement failed: Cannot push port (requestPrepOut) twice
via GitHub by huntc
, 1 year ago
requirement failed: Cannot push port (requestPrepOut) twice
java.lang.IllegalArgumentException: requirement failed: Cannot push port 
 (out1) twice	at scala.Predef$.require(Predef.scala:219)	at akka.stream.stage.GraphStageLogic.push(GraphStage.scala:439)	at kernel.modeller.workers.streamFinder.finderShapes.FAndLShape$1$1.onPush(FAndLShape.java:46)	at akka.stream.impl.fusing.GraphInterpreter.processElement$1(GraphInterpreter.scala:582)	at akka.stream.impl.fusing.GraphInterpreter.processEvent(GraphInterpreter.scala:593)	at akka.stream.impl.fusing.GraphInterpreter.execute(GraphInterpreter.scala:535)	at akka.stream.impl.fusing.GraphInterpreterShell.runBatch(ActorGraphInterpreter.scala:443)	at akka.stream.impl.fusing.GraphInterpreterShell.receive(ActorGraphInterpreter.scala:387)	at akka.stream.impl.fusing.ActorGraphInterpreter$$anonfun$receive$1.applyOrElse(ActorGraphInterpreter.scala:547)	at akka.actor.Actor$class.aroundReceive(Actor.scala:484)