Maven 2 & 3

Update Java requirement to 1.5

Details

  • Type: Task Task
  • Status: Closed Closed
  • Priority: Major Major
  • Resolution: Fixed
  • Affects Version/s: 2.1.0
  • Fix Version/s: 2.2.0
  • Component/s: None
  • Labels:
    None
  • Complexity:
    Intermediate
  • Number of attachments :
    0

Description

note that the required Java version for 2.1.1 has been upgraded to 1.5.

JDK 1.4 will no longer be supported to execute Maven. We'll need to document how to configure toolchains, etc. to support building 1.4 projects using a 1.4 JDK (to avoid api incompatibilities with 1.5).

Issue Links

is related to

Task - A task that needs to be done. MNG-4151 Update maven API to use Java 5 generics

  • Trivial - Cosmetic problem like misspelt words or misaligned text.
  • Closed - The issue is considered finished, the resolution is correct. Issues which are not closed can be reopened.

Activity

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John Casey added a comment -

Investigating going back to 1.4 source compat, and simply catching NoClassDefFoundError for javax.xml.xpath.* classes, then printing a large warning to the user to encourage JDK 1.5+ usage.

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John Casey added a comment - Investigating going back to 1.4 source compat, and simply catching NoClassDefFoundError for javax.xml.xpath.* classes, then printing a large warning to the user to encourage JDK 1.5+ usage.
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John Casey added a comment -

this should work now. I've tested it using the unit test with JDK 1.4

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John Casey added a comment - this should work now. I've tested it using the unit test with JDK 1.4
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John Casey added a comment -

Needs documentation for users trying to build JDK 1.4 projects. If animal sniffer is the best way through for now, then let's at least document how that would work.

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John Casey added a comment - Needs documentation for users trying to build JDK 1.4 projects. If animal sniffer is the best way through for now, then let's at least document how that would work.
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John Casey added a comment -

The following configuration works for me:

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>2.0.2</version>
          <configuration>
            <source>1.4</source>
            <target>1.4</target>
          </configuration>
        </plugin>
      </plugins>
    </pluginManagement>
    
    <plugins>
      <plugin>
        <groupId>org.jvnet</groupId>
        <artifactId>animal-sniffer</artifactId>
        <version>1.2</version>
        <executions>
          <execution>
            <id>check-java-version</id>
            <phase>compile</phase>
            <goals>
              <goal>check</goal>
            </goals>
            <configuration>
              <signature>
                <groupId>org.jvnet.animal-sniffer</groupId>
                <artifactId>java1.4</artifactId>
                <version>1.0</version>
              </signature>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

This is for a 1.4 project, obviously. Also, I've added the http://download.java.net/maven/2 repository to the nexus configuration I use for a local repoMgr/mirror. I'll write this up in a mini-guide.

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John Casey added a comment - The following configuration works for me: <build> <pluginManagement> <plugins> <plugin> <artifactId> maven-compiler-plugin </artifactId> <version> 2.0.2 </version> <configuration> <source> 1.4 </source> <target> 1.4 </target> </configuration> </plugin> </plugins> </pluginManagement> <plugins> <plugin> <groupId> org.jvnet </groupId> <artifactId> animal-sniffer </artifactId> <version> 1.2 </version> <executions> <execution> <id> check-java-version </id> <phase> compile </phase> <goals> <goal> check </goal> </goals> <configuration> <signature> <groupId> org.jvnet.animal-sniffer </groupId> <artifactId> java1.4 </artifactId> <version> 1.0 </version> </signature> </configuration> </execution> </executions> </plugin> </plugins> </build> This is for a 1.4 project, obviously. Also, I've added the http://download.java.net/maven/2 repository to the nexus configuration I use for a local repoMgr/mirror. I'll write this up in a mini-guide.
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John Casey added a comment -

http://maven.apache.org/guides/mini/guide-building-jdk14-on-jdk15.html

This mini-guide will be deployed shortly, once I've added a little more documentation for MNG-3203 and MNG-3401.

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John Casey added a comment - http://maven.apache.org/guides/mini/guide-building-jdk14-on-jdk15.html This mini-guide will be deployed shortly, once I've added a little more documentation for MNG-3203 and MNG-3401 .

People

  • Assignee:
    John Casey
    Reporter:
    John Casey
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Dates

  • Created:
    Updated:
    Resolved: