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ASF subversion and git services commented on JCLOUDS-1333: ---------------------------------------------------------- Commit afd467c3c71672679cc94a25f050b8e39118abd5 in jclouds-labs's branch refs/heads/2.1.x from [~gaul] [ https://git-wip-us.apache.org/repos/asf?p=jclouds-labs.git;h=afd467c ] JCLOUDS-1333: Fix Java 8 and Guava 21 issues > Cannot compile jclouds with Guava 21+ > ------------------------------------- > > Key: JCLOUDS-1333 > URL: https://issues.apache.org/jira/browse/JCLOUDS-1333 > Project: jclouds > Issue Type: Improvement > Components: jclouds-core > Affects Versions: 2.1.0 > Reporter: Andrew Gaul > Priority: Major > Labels: guava > > jclouds has compatibility with Guava 18-22 but we cannot compile using 21+ > due to some kind of Guava vs Java 8 Function class type error: > {noformat} > /home/gaul/work/jclouds/core/src/main/java/org/jclouds/rest/internal/TransformerForRequest.java:102: > error: method compose in interface java.util.function.Function<T,R> cannot > be applied to given types; > transformer = compose(Function.class.cast(wrappingTransformer), > transformer); > ^ > required: java.util.function.Function<? super V,? extends HttpRequest> > found: > com.google.common.base.Function,com.google.common.base.Function<HttpResponse,CAP#1> > reason: cannot infer type-variable(s) V > (actual and formal argument lists differ in length) > where V,T,R are type-variables: > V extends Object declared in method > <V>compose(java.util.function.Function<? super V,? extends T>) > T extends Object declared in interface java.util.function.Function > R extends Object declared in interface java.util.function.Function > where CAP#1 is a fresh type-variable: > CAP#1 extends Object from capture of ? > /home/gaul/work/jclouds/core/src/main/java/org/jclouds/rest/internal/TransformerForRequest.java:189: > error: method compose in interface java.util.function.Function<T,R> cannot > be applied to given types; > transformer = compose(new OnlyElementOrNull(), transformer); > ^ > required: java.util.function.Function<? super V,? extends HttpRequest> > found: > OnlyElementOrNull,com.google.common.base.Function<HttpResponse,CAP#1> > reason: cannot infer type-variable(s) V > (actual and formal argument lists differ in length) > where V,T,R are type-variables: > V extends Object declared in method > <V>compose(java.util.function.Function<? super V,? extends T>) > T extends Object declared in interface java.util.function.Function > R extends Object declared in interface java.util.function.Function > where CAP#1 is a fresh type-variable: > CAP#1 extends Object from capture of ? > {noformat} > This does not affect applications from using Guava 21-22 but does impact our > compatibility testing. Note that you need to set {{maven.compile.source}} to > 1.8 to test Guava 21+. -- This message was sent by Atlassian JIRA (v7.6.3#76005)