Hello Raja/Joe, When I turn on security, i still get out of memory error on producer. Is this something to do with keys? Is there any other way I can connect to broker?
*producer log* [2014-07-17 15:38:14,186] ERROR OOME with size 352518400 (kafka.network. BoundedByteBufferReceive) java.lang.OutOfMemoryError: Java heap space *broker log* INFO begin ssl handshake for localhost/127.0.0.1:50199//127.0.0.1:9092 On Thu, Jul 17, 2014 at 6:07 PM, Pramod Deshmukh <dpram...@gmail.com> wrote: > Correct, I don't see any exceptions when i turn off security. Consumer is > able to consume the message. > > I still see warning for topic property. > > [2014-07-17 18:04:38,360] WARN Property topic is not valid > (kafka.utils.VerifiableProperties) > > > > > > On Thu, Jul 17, 2014 at 5:49 PM, Rajasekar Elango <rela...@salesforce.com> > wrote: > >> Can you try with turning off security to check if this error happens only >> on secure mode? >> >> Thanks, >> Raja. >> >> >> >> >> On Thu, Jul 17, 2014 at 3:51 PM, Pramod Deshmukh <dpram...@gmail.com> >> wrote: >> >> > Thanks Raja, it was helpful >> > >> > Now I am able to start zookeeper and broker in secure mode ready for SSL >> > handshake. I get *java.lang.OutOfMemoryError: Java heap space* on >> producer. >> > >> > I using the default configuration and keystore. Is there anything >> missing >> > >> > *Start broker:* >> > >> > *bin/kafka-server-start.sh config/server.properties* >> > >> > >> > >> > *broker.log:* >> > >> > [2014-07-17 15:34:46,281] INFO zookeeper state changed (SyncConnected) >> > (org.I0Itec.zkclient.ZkClient) >> > >> > [2014-07-17 15:34:46,523] INFO Loading log 'secure.test-0' >> > (kafka.log.LogManager) >> > >> > [2014-07-17 15:34:46,558] INFO Recovering unflushed segment 0 in log >> > secure.test-0. (kafka.log.Log) >> > >> > [2014-07-17 15:34:46,571] INFO Completed load of log secure.test-0 with >> log >> > end offset 0 (kafka.log.Log) >> > >> > [2014-07-17 15:34:46,582] INFO Starting log cleanup with a period of >> 60000 >> > ms. (kafka.log.LogManager) >> > >> > [2014-07-17 15:34:46,587] INFO Starting log flusher with a default >> period >> > of 9223372036854775807 ms. (kafka.log.LogManager) >> > >> > [2014-07-17 15:34:46,614] INFO Initializing secure authentication >> > (kafka.network.security.SecureAuth$) >> > >> > [2014-07-17 15:34:46,678] INFO Secure authentication initialization has >> > been successfully completed (kafka.network.security.SecureAuth$) >> > >> > [2014-07-17 15:34:46,691] INFO Awaiting socket connections on >> 0.0.0.0:9092 >> > . >> > (kafka.network.Acceptor) >> > >> > [2014-07-17 15:34:46,692] INFO [Socket Server on Broker 0], Started >> > (kafka.network.SocketServer) >> > >> > [2014-07-17 15:34:46,794] INFO Will not load MX4J, mx4j-tools.jar is >> not in >> > the classpath (kafka.utils.Mx4jLoader$) >> > >> > [2014-07-17 15:34:46,837] INFO 0 successfully elected as leader >> > (kafka.server.ZookeeperLeaderElector) >> > >> > [2014-07-17 15:34:47,057] INFO Registered broker 0 at path >> /brokers/ids/0 >> > with address 10.1.100.130:9092. (kafka.utils.ZkUtils$) >> > >> > [2014-07-17 15:34:47,059] INFO New leader is 0 >> > (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) >> > >> > *[2014-07-17 15:34:47,068] INFO [Kafka Server 0], started >> > (kafka.server.KafkaServer)* >> > >> > *[2014-07-17 15:34:47,383] INFO begin ssl handshake for >> > /10.1.100.130:9092//10.1.100.130:51685 >> > <http://10.1.100.130:9092//10.1.100.130:51685> >> > (kafka.network.security.SSLSocketChannel)* >> > >> > *[2014-07-17 15:34:47,392] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51685//10.1.100.130:9092 >> > <http://10.1.100.130/10.1.100.130:51685//10.1.100.130:9092> >> > (kafka.network.security.SSLSocketChannel)* >> > >> > *[2014-07-17 15:34:47,465] INFO finished ssl handshake for >> > 10.1.100.130/10.1.100.130:51685//10.1.100.130:9092 >> > <http://10.1.100.130/10.1.100.130:51685//10.1.100.130:9092> >> > (kafka.network.security.SSLSocketChannel)* >> > >> > *[2014-07-17 15:34:47,465] INFO finished ssl handshake for >> > /10.1.100.130:9092//10.1.100.130:51685 >> > <http://10.1.100.130:9092//10.1.100.130:51685> >> > (kafka.network.security.SSLSocketChannel)* >> > >> > *[2014-07-17 15:34:47,617] INFO [ReplicaFetcherManager on broker 0] >> Removed >> > fetcher for partitions (kafka.server.ReplicaFetcherManager)* >> > >> > *[2014-07-17 15:34:47,627] INFO [ReplicaFetcherManager on broker 0] >> Added >> > fetcher for partitions List() (kafka.server.ReplicaFetcherManager)* >> > >> > *[2014-07-17 15:34:47,656] INFO [ReplicaFetcherManager on broker 0] >> Removed >> > fetcher for partitions [secure.test,0] >> > (kafka.server.ReplicaFetcherManager)* >> > >> > [2014-07-17 15:37:15,970] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51689//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:16,075] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51690//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:16,434] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51691//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:16,530] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51692//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:16,743] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51693//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:16,834] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51694//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:17,043] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51695//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:17,137] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51696//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > [2014-07-17 15:37:17,342] INFO begin ssl handshake for >> > 10.1.100.130/10.1.100.130:51697//10.1.100.130:9092 >> > (kafka.network.security.SSLSocketChannel) >> > >> > >> > *Start producer* >> > >> > *bin/kafka-console-producer.sh --broker-list 10.1.100.130:9092:true >> > --topic >> > secure.test* >> > >> > >> > *producer.log:* >> > >> > bin/kafka-console-producer.sh --broker-list 10.1.100.130:9092:true >> --topic >> > secure.test >> > >> > [2014-07-17 15:37:46,889] WARN Property topic is not valid >> > (kafka.utils.VerifiableProperties) >> > >> > Hello Secure Kafka >> > >> > *[2014-07-17 15:38:14,186] ERROR OOME with size 352518400 >> > (kafka.network.BoundedByteBufferReceive)* >> > >> > *java.lang.OutOfMemoryError: Java heap space* >> > >> > at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57) >> > >> > at java.nio.ByteBuffer.allocate(ByteBuffer.java:331) >> > >> > at >> > >> > >> kafka.network.BoundedByteBufferReceive.byteBufferAllocate(BoundedByteBufferReceive.scala:80) >> > >> > at >> > >> > >> kafka.network.BoundedByteBufferReceive.readFrom(BoundedByteBufferReceive.scala:63) >> > >> > at kafka.network.Receive$class.readCompletely(Transmission.scala:56) >> > >> > at >> > >> > >> kafka.network.BoundedByteBufferReceive.readCompletely(BoundedByteBufferReceive.scala:29) >> > >> > at kafka.network.BlockingChannel.receive(BlockingChannel.scala:102) >> > >> > at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:79) >> > >> > at >> > >> > >> kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:76) >> > >> > at kafka.producer.SyncProducer.send(SyncProducer.scala:117) >> > >> > at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) >> > >> > at >> > >> kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) >> > >> > at >> > >> > >> kafka.producer.async.DefaultEventHandler$$anonfun$handle$1.apply$mcV$sp(DefaultEventHandler.scala:67) >> > >> > at kafka.utils.Utils$.swallow(Utils.scala:172) >> > >> > at kafka.utils.Logging$class.swallowError(Logging.scala:106) >> > >> > at kafka.utils.Utils$.swallowError(Utils.scala:45) >> > >> > at >> > >> > >> kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:67) >> > >> > at >> > >> > >> kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:104) >> > >> > at >> > >> > >> kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:87) >> > >> > at >> > >> > >> kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:67) >> > >> > at scala.collection.immutable.Stream.foreach(Stream.scala:526) >> > >> > at >> > >> > >> kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:66) >> > >> > at >> kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:44) >> > >> > >> > >> > On Wed, Jul 16, 2014 at 6:07 PM, Rajasekar Elango < >> rela...@salesforce.com> >> > wrote: >> > >> > > Pramod, >> > > >> > > >> > > I presented secure kafka configuration and usage at last meet up. So >> hope >> > > this >> > > video recording <http://www.ustream.tv/recorded/48396701>would help. >> You >> > > can skip to about 59 min to jump to security talk. >> > > >> > > Thanks, >> > > Raja. >> > > >> > > >> > > On Wed, Jul 16, 2014 at 5:57 PM, Pramod Deshmukh <dpram...@gmail.com> >> > > wrote: >> > > >> > > > Hello Joe, >> > > > >> > > > Is there a configuration or example to test Kafka security piece? >> > > > >> > > > Thanks, >> > > > >> > > > Pramod >> > > > >> > > > >> > > > On Wed, Jul 16, 2014 at 5:20 PM, Pramod Deshmukh < >> dpram...@gmail.com> >> > > > wrote: >> > > > >> > > > > Thanks Joe, >> > > > > >> > > > > This branch works. I was able to proceed. I still had to set scala >> > > > version >> > > > > to 2.9.2 in kafka-run-class.sh. >> > > > > >> > > > > >> > > > > >> > > > > On Wed, Jul 16, 2014 at 3:57 PM, Joe Stein <joe.st...@stealth.ly> >> > > wrote: >> > > > > >> > > > >> That is a very old branch. >> > > > >> >> > > > >> Here is a more up to date one >> > > > >> https://github.com/stealthly/kafka/tree/v0.8.2_KAFKA-1477 >> (needs to >> > > be >> > > > >> updated to latest trunk might have a chance to-do that next >> week). >> > > > >> >> > > > >> You should be using gradle now as per the README. >> > > > >> >> > > > >> /******************************************* >> > > > >> Joe Stein >> > > > >> Founder, Principal Consultant >> > > > >> Big Data Open Source Security LLC >> > > > >> http://www.stealth.ly >> > > > >> Twitter: @allthingshadoop < >> http://www.twitter.com/allthingshadoop> >> > > > >> ********************************************/ >> > > > >> >> > > > >> >> > > > >> On Wed, Jul 16, 2014 at 3:49 PM, Pramod Deshmukh < >> > dpram...@gmail.com> >> > > > >> wrote: >> > > > >> >> > > > >> > Thanks Joe for this, >> > > > >> > >> > > > >> > I cloned this branch and tried to run zookeeper but I get >> > > > >> > >> > > > >> > Error: Could not find or load main class >> > > > >> > org.apache.zookeeper.server.quorum.QuorumPeerMain >> > > > >> > >> > > > >> > >> > > > >> > I see scala version is still set to 2.8.0 >> > > > >> > >> > > > >> > if [ -z "$SCALA_VERSION" ]; then >> > > > >> > >> > > > >> > SCALA_VERSION=2.8.0 >> > > > >> > >> > > > >> > fi >> > > > >> > >> > > > >> > >> > > > >> > >> > > > >> > Then I installed sbt and scala and followed your instructions >> for >> > > > >> different >> > > > >> > scala versions. I was able to bring zookeeper up but brokers >> fail >> > to >> > > > >> start >> > > > >> > with error >> > > > >> > >> > > > >> > Error: Could not find or load main class kafka.Kafka >> > > > >> > >> > > > >> > I think I am doing something wrong. Can you please help me? >> > > > >> > >> > > > >> > Our current production setup is with 2.8.0 and want to stick to >> > it. >> > > > >> > >> > > > >> > Thanks, >> > > > >> > >> > > > >> > Pramod >> > > > >> > >> > > > >> > >> > > > >> > On Tue, Jun 3, 2014 at 3:57 PM, Joe Stein < >> joe.st...@stealth.ly> >> > > > wrote: >> > > > >> > >> > > > >> > > Hi,I wanted to re-ignite the discussion around Apache Kafka >> > > > Security. >> > > > >> > This >> > > > >> > > is a huge bottleneck (non-starter in some cases) for a lot of >> > > > >> > organizations >> > > > >> > > (due to regulatory, compliance and other requirements). Below >> > are >> > > my >> > > > >> > > suggestions for specific changes in Kafka to accommodate >> > security >> > > > >> > > requirements. This comes from what folks are doing "in the >> > wild" >> > > to >> > > > >> > > workaround and implement security with Kafka as it is today >> and >> > > also >> > > > >> > what I >> > > > >> > > have discovered from organizations about their blockers. It >> also >> > > > >> picks up >> > > > >> > > from the wiki (which I should have time to update later in >> the >> > > week >> > > > >> based >> > > > >> > > on the below and feedback from the thread). >> > > > >> > > >> > > > >> > > 1) Transport Layer Security (i.e. SSL) >> > > > >> > > >> > > > >> > > This also includes client authentication in addition to >> > in-transit >> > > > >> > security >> > > > >> > > layer. This work has been picked up here >> > > > >> > > https://issues.apache.org/jira/browse/KAFKA-1477 and do >> > > appreciate >> > > > >> any >> > > > >> > > thoughts, comments, feedback, tomatoes, whatever for this >> patch. >> > > It >> > > > >> is a >> > > > >> > > pickup from the fork of the work first done here >> > > > >> > > https://github.com/relango/kafka/tree/kafka_security. >> > > > >> > > >> > > > >> > > 2) Data encryption at rest. >> > > > >> > > >> > > > >> > > This is very important and something that can be facilitated >> > > within >> > > > >> the >> > > > >> > > wire protocol. It requires an additional map data structure >> for >> > > the >> > > > >> > > "encrypted [data encryption key]". With this map (either in >> your >> > > > >> object >> > > > >> > or >> > > > >> > > in the wire protocol) you can store the dynamically generated >> > > > >> symmetric >> > > > >> > key >> > > > >> > > (for each message) and then encrypt the data using that >> > > dynamically >> > > > >> > > generated key. You then encrypt the encryption key using >> each >> > > > public >> > > > >> key >> > > > >> > > for whom is expected to be able to decrypt the encryption >> key to >> > > > then >> > > > >> > > decrypt the message. For each public key encrypted symmetric >> > key >> > > > >> (which >> > > > >> > is >> > > > >> > > now the "encrypted [data encryption key]" along with which >> > public >> > > > key >> > > > >> it >> > > > >> > > was encrypted with for (so a map of [publicKey] = >> > > > >> > > encryptedDataEncryptionKey) as a chain. Other patterns can >> be >> > > > >> > implemented >> > > > >> > > but this is a pretty standard digital enveloping [0] pattern >> > with >> > > > >> only 1 >> > > > >> > > field added. Other patterns should be able to use that field >> > to-do >> > > > >> their >> > > > >> > > implementation too. >> > > > >> > > >> > > > >> > > 3) Non-repudiation and long term non-repudiation. >> > > > >> > > >> > > > >> > > Non-repudiation is proving data hasn't changed. This is >> often >> > (if >> > > > not >> > > > >> > > always) done with x509 public certificates (chained to a >> > > certificate >> > > > >> > > authority). >> > > > >> > > >> > > > >> > > Long term non-repudiation is what happens when the >> certificates >> > of >> > > > the >> > > > >> > > certificate authority are expired (or revoked) and everything >> > ever >> > > > >> signed >> > > > >> > > (ever) with that certificate's public key then becomes "no >> > longer >> > > > >> > provable >> > > > >> > > as ever being authentic". That is where RFC3126 [1] and >> RFC3161 >> > > [2] >> > > > >> come >> > > > >> > > in (or worm drives [hardware], etc). >> > > > >> > > >> > > > >> > > For either (or both) of these it is an operation of the >> > encryptor >> > > to >> > > > >> > > sign/hash the data (with or without third party trusted >> timestap >> > > of >> > > > >> the >> > > > >> > > signing event) and encrypt that with their own private key >> and >> > > > >> distribute >> > > > >> > > the results (before and after encrypting if required) along >> with >> > > > their >> > > > >> > > public key. This structure is a bit more complex but >> feasible, >> > it >> > > > is a >> > > > >> > map >> > > > >> > > of digital signature formats and the chain of dig sig >> > > attestations. >> > > > >> The >> > > > >> > > map's key being the method (i.e. CRC32, PKCS7 [3], XmlDigSig >> > [4]) >> > > > and >> > > > >> > then >> > > > >> > > a list of map where that key is "purpose" of signature (what >> > your >> > > > >> > attesting >> > > > >> > > too). As a sibling field to the list another field for "the >> > > > >> attester" as >> > > > >> > > bytes (e.g. their PKCS12 [5] for the map of PKCS7 >> signatures). >> > > > >> > > >> > > > >> > > 4) Authorization >> > > > >> > > >> > > > >> > > We should have a policy of "404" for data, topics, partitions >> > > (etc) >> > > > if >> > > > >> > > authenticated connections do not have access. In "secure >> mode" >> > > any >> > > > >> non >> > > > >> > > authenticated connections should get a "404" type message on >> > > > >> everything. >> > > > >> > > Knowing "something is there" is a security risk in many uses >> > > cases. >> > > > >> So >> > > > >> > if >> > > > >> > > you don't have access you don't even see it. Baking "that" >> into >> > > > Kafka >> > > > >> > > along with some interface for entitlement (access management) >> > > > systems >> > > > >> > > (pretty standard) is all that I think needs to be done to the >> > core >> > > > >> > project. >> > > > >> > > I want to tackle item later in the year after summer after >> the >> > > > other >> > > > >> > three >> > > > >> > > are complete. >> > > > >> > > >> > > > >> > > I look forward to thoughts on this and anyone else >> interested in >> > > > >> working >> > > > >> > > with us on these items. >> > > > >> > > >> > > > >> > > [0] >> > > > >> > > >> > > > >> > > >> > > > >> > >> > > > >> >> > > > >> > > >> > >> http://www.emc.com/emc-plus/rsa-labs/standards-initiatives/what-is-a-digital-envelope.htm >> > > > >> > > [1] http://tools.ietf.org/html/rfc3126 >> > > > >> > > [2] http://tools.ietf.org/html/rfc3161 >> > > > >> > > [3] >> > > > >> > > >> > > > >> > > >> > > > >> > >> > > > >> >> > > > >> > > >> > >> http://www.emc.com/emc-plus/rsa-labs/standards-initiatives/pkcs-7-cryptographic-message-syntax-standar.htm >> > > > >> > > [4] http://en.wikipedia.org/wiki/XML_Signature >> > > > >> > > [5] http://en.wikipedia.org/wiki/PKCS_12 >> > > > >> > > >> > > > >> > > /******************************************* >> > > > >> > > Joe Stein >> > > > >> > > Founder, Principal Consultant >> > > > >> > > Big Data Open Source Security LLC >> > > > >> > > http://www.stealth.ly >> > > > >> > > Twitter: @allthingshadoop < >> > > http://www.twitter.com/allthingshadoop> >> > > > >> > > ********************************************/ >> > > > >> > > >> > > > >> > >> > > > >> >> > > > > >> > > > > >> > > > >> > > >> > > >> > > >> > > -- >> > > Thanks, >> > > Raja. >> > > >> > >> >> >> >> -- >> Thanks, >> Raja. >> > >