Adam Roberts created SPARK-19552:
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Summary: Upgrade Netty version to 4.1.8 final
Key: SPARK-19552
URL: https://issues.apache.org/jira/browse/SPARK-19552
Project: Spark
Issue Type: Improvement
Components: Build
Affects Versions: 2.1.0
Reporter: Adam Roberts
Priority: Minor
Netty 4.1.8 was recently released but isn't API compatible with previous major
versions (like Netty 4.0.x), see
http://netty.io/news/2017/01/30/4-0-44-Final-4-1-8-Final.html for details.
This version does include a fix for a security concern - I don't know if Spark
can be used as an attack vector so let's upgrade the version we use to be on
the safe side. The security fix I'm especially interested in is not available
in the 4.0.x release line.
As this 4.1 version involves API changes we'll need to implement a few methods
and possibly adjust the Sasl tests. I'd also like to know the purpose of the
additional netty (without "all" in the artifact name) in our pom that's at
version 3.9.9.
This JIRA and associated pull request starts the process which I'll work on -
and any help would be much appreciated! Currently I know:
{code}
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)
throws Exception {
if (!foundEncryptionHandler) {
foundEncryptionHandler =
ctx.channel().pipeline().get(encryptHandlerName) != null; <-- this
returns false and causes test failures
}
ctx.write(msg, promise);
}
{code}
Here's what changes will be required (at least):
{code}
common/network-common/src/main/java/org/apache/spark/network/crypto/TransportCipher.java{code}
requires touch, retain and transferred methods
{code}
common/network-common/src/main/java/org/apache/spark/network/sasl/SaslEncryption.java{code}
requires the above methods too
{code}common/network-common/src/test/java/org/apache/spark/network/protocol/MessageWithHeaderSuite.java{code}
With "dummy" implementations so we can at least compile and test, we'll see
five new test failures to address.
These are
{code}
org.apache.spark.network.sasl.SparkSaslSuite.testFileRegionEncryption
org.apache.spark.network.sasl.SparkSaslSuite.testSaslEncryption
org.apache.spark.network.shuffle.ExternalShuffleSecuritySuite.testEncryption
org.apache.spark.rpc.netty.NettyRpcEnvSuite.send with SASL encryption
org.apache.spark.rpc.netty.NettyRpcEnvSuite.ask with SASL encryption
{code}
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