Cassandra Cluster initiation error with latest driver and server-2.1.13

[hemabs]

Hi All,

Im trying to upgrade cassandra-driver-core from 2.1.10.1 to 3.5.0. But the apache server version is at Cassandra 2.1.13.

Below piece of connecting snippet used to work on 2.1.10.1

cluster = Cluster.builder().addContactPoints("myhost").withPort(535).build();

                session = cluster.connect("mykeyspace");

But with 3.50 java driver, Im seeing below error:

java.lang.ExceptionInInitializerError

at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1476)

at com.datastax.driver.core.Cluster.init(Cluster.java:160)

at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:342)

at com.datastax.driver.core.Cluster.connect(Cluster.java:292)

at .....my calling code origin......

Caused by: java.lang.ArrayIndexOutOfBoundsException: -17

at io.netty.util.collection.IntObjectHashMap.indexOf(IntObjectHashMap.java:294)

at io.netty.util.collection.IntObjectHashMap.get(IntObjectHashMap.java:99)

at com.datastax.driver.core.Metadata.indexByCaseInsensitiveHash(Metadata.java:343)

at com.datastax.driver.core.Metadata.<clinit>(Metadata.java:49)

... 36 more

Can someone let me know what am I doing wrong?

I can confirm that driver 3.5.0 does support server 2.1.13.

https://docs.datastax.com/en/developer/driver-matrix/doc/javaDrivers.html

Appreciate the help.

Thanks

hbs

[Andy Tolbert]

Hi Hemabs,

Can you confirm what version(s) of Netty jars are in your classpath?  Looking at the IntObjectHashMap code, it looks like it should protect negative index values from being used, but perhaps there is a bug in a particular version.

The driver works with all versions of C* 1.2+.

Thanks,

Andy

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[hemabs]

Hi Andy,

I was able to resolve the error using netty4.0.56 in the classpath. Earlier I referred to 3.6.6. Thats the reason for failure.

Thanks

hbs

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[Muqiao Yang]

Hi Hemabs,

May I ask how you changed the version of netty? Seems like it is implicitly depended on hadoop version.

https://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/dependency-analysis.html

Thanks,

Muqiao

hemabs於 2018年6月5日星期二 UTC+8上午2時59分37秒寫道：