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From "Jerry He (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16370) Exclude jdk tools.jar from Bytecode Version enforcer
Date Sun, 07 Aug 2016 19:04:20 GMT
Jerry He created HBASE-16370:

             Summary: Exclude jdk tools.jar from Bytecode Version enforcer
                 Key: HBASE-16370
                 URL: https://issues.apache.org/jira/browse/HBASE-16370
             Project: HBase
          Issue Type: Improvement
    Affects Versions: 1.2.2
            Reporter: Jerry He
            Assignee: Jerry He
            Priority: Minor
             Fix For: 2.0.0, 1.3.0, 1.4.0, 1.2.3

Getting this message trying to do a build with -Prelease:

[INFO] Restricted to JDK 1.7 yet jdk.tools:jdk.tools:jar:1.8:system contains org/relaxng/datatype/DatatypeLibrary.class
targeted to JDK 1.8
[WARNING] Rule 3: org.apache.maven.plugins.enforcer.EnforceBytecodeVersion failed with message:
HBase has unsupported dependencies.
  HBase requires that all dependencies be compiled with version 1.7 or earlier
  of the JDK to properly build from source.  You appear to be using a newer dependency. You
can use
  either "mvn -version" or "mvn enforcer:display-info" to verify what version is active.
  Non-release builds can temporarily build with a newer JDK version by setting the
  'compileSource' property (eg. mvn -DcompileSource=1.8 clean package).
Found Banned Dependency: jdk.tools:jdk.tools:jar:1.8
Use 'mvn dependency:tree' to locate the source of the banned dependencies.
[INFO] ------------------------------------------------------------------------

My JDK is 1.8.  But I wanted to build to target 1.7.  So I didn't' have the -DcompileSource=1.8.

The enforcer checks the jdk tools.jar and causes the error because the system JDK is 1.8.

This is a valid build/release use case as long as we support both 1.8 and 1.7.

We should exclude jdk tools.jar from the enforcer.

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