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From "Simone Tripodi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CHAIN-57) Chain 2.0 does not build on older JDKs
Date Mon, 12 Sep 2011 12:49:10 GMT

    [ https://issues.apache.org/jira/browse/CHAIN-57?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102599#comment-13102599
] 

Simone Tripodi commented on CHAIN-57:
-------------------------------------

just for the record: in my Mac OS X Lion dev env, once re-installed the JDK5

{code}
$ mvn --version
Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100)
Maven home: /Applications/apache-maven-3.0.3
Java version: 1.5.0_30, vendor: Apple Inc.
Java home: /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.7.1", arch: "i386", family: "unix"
{code}

The error is reproduced as well:

{code}
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /Users/simonetripodi/Documents/workspace/commons-chain/src/test/java/org/apache/commons/chain/generic/DispatchCommandTestCase.java:[141,42]
type parameters of <T>T cannot be determined; no unique maximal instance exists for
type variable T with upper bounds T,java.lang.Object
{code}

> Chain 2.0 does not build on older JDKs
> --------------------------------------
>
>                 Key: CHAIN-57
>                 URL: https://issues.apache.org/jira/browse/CHAIN-57
>             Project: Commons Chain
>          Issue Type: Bug
>    Affects Versions: 2.0
>         Environment: OS name: "linux" version: "2.6.35-30-generic" arch: "amd64" Family:
"unix"
> Ubuntu 10.10 x64
> Versions Tested:
> {noformat}
> ibm-java2-x86_64-50 (1.5 j9vmxa6423ifx-20110624) [SUCCESS]
> Sun/Oracle 1.5.0_22 [FAILURE]
> OpenJdk 1.6.0_20 [SUCCESS]
> Sun/Oracle 1.6.0_11 [FAILURE]
> Sun/Oracle 1.6.0_21 [FAILURE]
> Sun/Oracle 1.6.0_27 [SUCCESS]
> ibm-java-x86_64-60 (1.6 jvmxa6460-20081105_25433) [FAILURE]
> ibm-java-x86_64-60 (1.6 jvmxa6460sr9-20110624_85526) [SUCCESS]
> {noformat}
>            Reporter: Elijah Zupancic
>            Priority: Minor
>
> Older versions of the JDK irrespective of vendor fail to compile chain v2.
> I recommend that we do not do any code changes, but rather inform the users in the documentation
to compile with a newer JDK version.
> The following is the typical output of a failed build. This particular output is when
I tried to build using the Sun/Oracle JDK 1.6.0_21.
> {noformat}
> mvn clean package
> [INFO] Scanning for projects...
> [INFO] ------------------------------------------------------------------------
> [INFO] Building Commons Chain
> [INFO]    task-segment: [clean, package]
> [INFO] ------------------------------------------------------------------------
> [INFO] artifact org.apache.maven.plugins:maven-idea-plugin: checking for updates from
internal
> [INFO] Repository 'internal' will be blacklisted
> [INFO] [clean:clean {execution: default-clean}]
> [INFO] Deleting /home/elijah/dev/version-2.0-work/target
> [INFO] [antrun:run {execution: javadoc.resources}]
> [INFO] Executing tasks
> main:
>      [copy] Copying 2 files to /home/elijah/dev/version-2.0-work/target/apidocs/META-INF
> [INFO] Executed tasks
> [INFO] Setting property: classpath.resource.loader.class => 'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
> [INFO] Setting property: velocimacro.messages.on => 'false'.
> [INFO] Setting property: resource.loader => 'classpath'.
> [INFO] Setting property: resource.manager.logwhenfound => 'false'.
> [INFO] [remote-resources:process {execution: default}]
> [INFO] [resources:resources {execution: default-resources}]
> [INFO] Using 'iso-8859-1' encoding to copy filtered resources.
> [INFO] Copying 2 resources to META-INF
> [INFO] [compiler:compile {execution: default-compile}]
> [INFO] Compiling 63 source files to /home/elijah/dev/version-2.0-work/target/classes
> [INFO] [bundle:manifest {execution: bundle-manifest}]
> [WARNING] Warning in manifest for commons-chain:commons-chain:jar:2.0-SNAPSHOT : Did
not find matching referal for !javax.portlet
> [INFO] [resources:testResources {execution: default-testResources}]
> [INFO] Using 'iso-8859-1' encoding to copy filtered resources.
> [INFO] Copying 2 resources
> [INFO] [compiler:testCompile {execution: default-testCompile}]
> [INFO] Compiling 37 source files to /home/elijah/dev/version-2.0-work/target/test-classes
> [INFO] -------------------------------------------------------------
> [ERROR] COMPILATION ERROR : 
> [INFO] -------------------------------------------------------------
> [ERROR] /home/elijah/dev/version-2.0-work/src/test/java/org/apache/commons/chain/generic/DispatchCommandTestCase.java:[141,42]
type parameters of <T>T cannot be determined; no unique maximal instance exists for
type variable T with upper bounds T,java.lang.Object
> [INFO] 1error
> [INFO] -------------------------------------------------------------
> [INFO] ------------------------------------------------------------------------
> [ERROR] BUILD FAILURE
> [INFO] ------------------------------------------------------------------------
> [INFO] Compilation failure
> /home/elijah/dev/version-2.0-work/src/test/java/org/apache/commons/chain/generic/DispatchCommandTestCase.java:[141,42]
type parameters of <T>T cannot be determined; no unique maximal instance exists for
type variable T with upper bounds T,java.lang.Object
> [INFO] ------------------------------------------------------------------------
> [INFO] For more information, run Maven with the -e switch
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 15 seconds
> [INFO] Finished at: Wed Sep 07 08:09:12 PDT 2011
> [INFO] Final Memory: 51M/300M
> [INFO] ------------------------------------------------------------------------
> {noformat}

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