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https://issues.apache.org/jira/browse/COLLECTIONS-587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15258923#comment-15258923
]
Emmanuel Bourg commented on COLLECTIONS-587:
--------------------------------------------
This was fixed in Fedora 24. There is a patch available you could use to build
with Java 8 in Fedora 21:
https://pkgs.fedoraproject.org/cgit/rpms/apache-commons-collections.git/tree/0001-Port-to-Java-8.patch
> commons-collections-3.2.2 does not compile under docker fedora21
> ----------------------------------------------------------------
>
> Key: COLLECTIONS-587
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-587
> Project: Commons Collections
> Issue Type: Bug
> Affects Versions: 3.2
> Environment: docker, fedora21
> Reporter: Marc Pawlowsky
>
> In a clean environment using docker, compile errors
> $cat Dockerfile
> FROM fedora:21
> RUN yum update -y
> RUN yum install -y java-1.8.0-openjdk unzip maven wget
> RUN wget
> http://apache.mirror.rafal.ca//commons/collections/source/commons-collections-3.2.2-src.zip
> RUN unzip commons-collections-3.2.2-src.zip
> RUN cd commons-collections-3.2.2-src && mvn initialize
> RUN cd commons-collections-3.2.2-src && mvn install
> RUN chmod -R 755 /root
> CMD /bin/bash
> $docker build .
> <snip/>
> Downloaded: http://repo.maven.apache.org/maven2/commons-[INFO] Changes
> detected - recompiling the module!
> [INFO] Compiling 273 source files to
> /commons-collections-3.2.2-src/target/classes
> [INFO] -------------------------------------------------------------
> [ERROR] COMPILATION ERROR :
> [INFO] -------------------------------------------------------------
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/MultiHashMap.java:[334,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.MultiHashMap cannot implement
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> return type java.lang.Object is not compatible with boolean
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/MultiMap.java:[69,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.MultiMap clashes with
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> return type java.lang.Object is not compatible with boolean
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/map/MultiValueMap.java:[156,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.map.MultiValueMap cannot implement
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> return type java.lang.Object is not compatible with boolean
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/map/MultiKeyMap.java:[200,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.map.MultiKeyMap cannot implement
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> return type java.lang.Object is not compatible with boolean
> [INFO] 4 errors
> [INFO] -------------------------------------------------------------
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 19.104 s
> [INFO] Finished at: 2016-04-26T12:35:24-04:00
> [INFO] Final Memory: 19M/203M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile)
> on project commons-collections: Compilation failure: Compilation failure:
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/MultiHashMap.java:[334,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.MultiHashMap cannot implement
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> [ERROR] return type java.lang.Object is not compatible with boolean
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/MultiMap.java:[69,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.MultiMap clashes with
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> [ERROR] return type java.lang.Object is not compatible with boolean
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/map/MultiValueMap.java:[156,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.map.MultiValueMap cannot implement
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> [ERROR] return type java.lang.Object is not compatible with boolean
> [ERROR]
> /commons-collections-3.2.2-src/src/java/org/apache/commons/collections/map/MultiKeyMap.java:[200,19]
> remove(java.lang.Object,java.lang.Object) in
> org.apache.commons.collections.map.MultiKeyMap cannot implement
> remove(java.lang.Object,java.lang.Object) in java.util.Map
> [ERROR] return type java.lang.Object is not compatible with boolean
> [ERROR] -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e
> switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
> The command '/bin/sh -c cd commons-collections-3.2.2-src && mvn install'
> returned a non-zero code: 1
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