You can check in config/server.properties. By default it writes in /tmp/kafka-logs/ .
-----Original Message----- From: S Ahmed [mailto:sahmed1...@gmail.com] Sent: 12 December 2012 02:51 To: users@kafka.apache.org Subject: Re: first steps with the codebase help anyone? :) Much much appreciated! On Tue, Dec 11, 2012 at 12:03 AM, S Ahmed <sahmed1...@gmail.com> wrote: > BTW, where exactly will the broker be writing these messages? Is it > in a /tmp folder? > > > On Tue, Dec 11, 2012 at 12:02 AM, S Ahmed <sahmed1...@gmail.com> wrote: > >> Neha, >> >> But what do I need to start before running the tests, I tried to run >> the test "testAsyncSendCanCorrectlyFailWithTimeout" but I got this: >> >> 2012-12-11 00:01:08,974] WARN EndOfStreamException: Unable to read >> additional data from client sessionid 0x13b8856456a0002, likely >> client has closed socket >> (org.apache.zookeeper.server.NIOServerCnxn:634) >> [2012-12-11 00:01:11,231] WARN EndOfStreamException: Unable to read >> additional data from client sessionid 0x13b8856456a0001, likely >> client has closed socket >> (org.apache.zookeeper.server.NIOServerCnxn:634) >> [2012-12-11 00:01:26,561] WARN EndOfStreamException: Unable to read >> additional data from client sessionid 0x13b8856456a0003, likely >> client has closed socket >> (org.apache.zookeeper.server.NIOServerCnxn:634) >> [2012-12-11 00:01:26,563] WARN EndOfStreamException: Unable to read >> additional data from client sessionid 0x13b8856456a0004, likely >> client has closed socket >> (org.apache.zookeeper.server.NIOServerCnxn:634) >> [2012-12-11 00:01:30,661] ERROR [TopicChangeListener on Controller 1]: >> Error while handling new topic >> (kafka.controller.PartitionStateMachine$TopicChangeListener:102) >> java.lang.NullPointerException >> at >> scala.collection.JavaConversions$JListWrapper.iterator(JavaConversion >> s.scala:524) at >> scala.collection.IterableLike$class.foreach(IterableLike.scala:79) >> at >> scala.collection.JavaConversions$JListWrapper.foreach(JavaConversions >> .scala:521) >> at >> scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala >> :176) >> at >> scala.collection.JavaConversions$JListWrapper.foldLeft(JavaConversion >> s.scala:521) >> at >> scala.collection.TraversableOnce$class.$div$colon(TraversableOnce.sca >> la:139) >> at >> scala.collection.JavaConversions$JListWrapper.$div$colon(JavaConversi >> ons.scala:521) at >> scala.collection.generic.Addable$class.$plus$plus(Addable.scala:54) >> at scala.collection.immutable.Set$EmptySet$.$plus$plus(Set.scala:47) >> at >> scala.collection.TraversableOnce$class.toSet(TraversableOnce.scala:43 >> 6) >> at >> scala.collection.JavaConversions$JListWrapper.toSet(JavaConversions.s >> cala:521) >> at >> kafka.controller.PartitionStateMachine$TopicChangeListener.liftedTree >> 1$1(PartitionStateMachine.scala:337) >> at >> kafka.controller.PartitionStateMachine$TopicChangeListener.handleChil >> dChange(PartitionStateMachine.scala:335) >> at org.I0Itec.zkclient.ZkClient$7.run(ZkClient.java:570) >> at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71) >> Disconnected from the target VM, address: '127.0.0.1:64026', transport: >> 'socket' >> >> >> >> >> On Mon, Dec 10, 2012 at 11:54 PM, Neha Narkhede >> <neha.narkh...@gmail.com>wrote: >> >>> You can take a look at one of the producer tests and attach >>> breakpoints in the code. Ensure you pick the Debug Test instead of >>> Run Test option. >>> >>> Thanks, >>> Neha >>> >>> On Mon, Dec 10, 2012 at 7:31 PM, S Ahmed <sahmed1...@gmail.com> wrote: >>> > Hi, >>> > >>> > So I followed the instructions from here: >>> > https://cwiki.apache.org/confluence/display/KAFKA/Developer+Setup >>> > >>> > So I pulled down the latest from github, ran; sbt >>> >> update >>> >>idea >>> > >>> > open it up in idea, and builds fine in idea also (version 12). >>> > >>> > Everything is fine so far. >>> > >>> > Questions: >>> > >>> > From just using the IDE, how can I start the neccessary services >>> > so I >>> can >>> > debug a producer call so I can trace the code line by line as it >>> executes >>> > to create a message, and then set a breakpoint on the kafka server >>> side of >>> > things to see how it goes about processing an inbound message. >>> > >>> > Is this possible, or is the general workflow first starting the >>> services >>> > using some .sh scripts? >>> > >>> > My goal here is to be able to set breakpoints on both the producer >>> > and broker side of things. >>> > >>> > Much appreciated! >>> >> >> > This email and any attachments are confidential, and may be legally privileged and protected by copyright. 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