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Steve Loughran commented on HADOOP-13044: ----------------------------------------- Looks like 10.10.6 needs 2.3.6 too. I was thinking "maybe we could just bump up Joda time", but its possible that the httpclient problem already exists ... it just hasn't surfaced yet {code} [INFO] +- com.amazonaws:aws-java-sdk-s3:jar:1.10.6:compile [INFO] | +- com.amazonaws:aws-java-sdk-kms:jar:1.10.6:compile [INFO] | | \- (com.amazonaws:aws-java-sdk-core:jar:1.10.6:compile - omitted for duplicate) [INFO] | \- com.amazonaws:aws-java-sdk-core:jar:1.10.6:compile [INFO] | +- (commons-logging:commons-logging:jar:1.1.3:compile - version managed from 1.1.1; omitted for duplicate) [INFO] | +- (org.apache.httpcomponents:httpclient:jar:4.2.5:compile - version managed from 4.3.6; omitted for duplicate) [INFO] | +- (com.fasterxml.jackson.core:jackson-databind:jar:2.2.3:compile - version managed from 2.5.3; omitted for duplicate) [INFO] | \- joda-time:joda-time:jar:2.8.1:compile {code} > Amazon S3 library 10.10 (JDK8u60+) depends on http components 4.3 > ----------------------------------------------------------------- > > Key: HADOOP-13044 > URL: https://issues.apache.org/jira/browse/HADOOP-13044 > Project: Hadoop Common > Issue Type: Improvement > Components: build, fs/s3 > Affects Versions: 2.8.0 > Environment: JDK 8u60 > Reporter: Kai Sasaki > Assignee: Kai Sasaki > Attachments: HADOOP-13044.01.patch > > > In case of using AWS SDK in the classpath of hadoop, we faced an issue caused > by incompatiblity of AWS SDK and httpcomponents. > {code} > java.lang.NoSuchFieldError: INSTANCE > at > com.amazonaws.http.conn.SdkConnectionKeepAliveStrategy.getKeepAliveDuration(SdkConnectionKeepAliveStrategy.java:48) > at > org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:535) > at > org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906) > at > org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805) > {code} > The latest AWS SDK depends on 4.3.x which has > [DefaultConnectionKeepAliveStrategy.INSTANCE|http://hc.apache.org/httpcomponents-client-4.3.x/httpclient/apidocs/org/apache/http/impl/client/DefaultConnectionKeepAliveStrategy.html#INSTANCE]. > This field is introduced from 4.3. > This will allow us to avoid {{CLASSPATH}} confliction around httpclient > versions. -- This message was sent by Atlassian JIRA (v6.3.4#6332)