maven - Error putting item in DynamoDB with AWS Java SDK and Hadoop -

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i'm using hadoop 2.7, hadoop-core version 1.1.2 , aws java sdk 1.10.50.

when attempt put item on dynamodb, following error:

java.lang.nosuchfielderror: instance @ com.amazonaws.http.conn.sdkconnectionkeepalivestrategy.getkeepaliveduration(sdkconnectionkeepalivestrategy.java:48)

what found error due conflict of aws sdk , httpcore version.

running in code: 

classloader classloader = myclass.class.getclassloader(); url resource = classloader.getresource("org/apache/http/message/basiclineformatter.class"; system.out.println(resource);

the output is:

jar:file:/usr/local/cellar/hadoop/2.7.0/libexec/share/hadoop/common/lib/httpcore-4.2.5.jar!/org/apache/http/message/basiclineformatter.class

indicating still using conflicting version.

but on pom.xml, i've added:

<dependency>     <groupid>org.apache.httpcomponents</groupid>     <artifactid>httpclient</artifactid>     <version>4.4.1</version>     <scope>compile</scope> </dependency> <dependency>     <groupid>org.apache.httpcomponents</groupid>     <artifactid>httpcore</artifactid>     <version>4.4.1</version>     <scope>compile</scope> </dependency>

trying force compatible version sdk, code still uses conflicting version.

anyone know how can force application use non-conflicting version of httpcore , httpclient?

you can add dependency on version of httpclient need , exclude httpclient transient dependency dependency pulls in version 4.2.5. use mvn dependency:tree determine add exclusion.


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