[jbosstools-issues] [JBoss JIRA] (JBIDE-18654) run jdeps on our jars to see how dependent we are on api that might go away in Java 9

[Nick Boldt (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-18654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13503562#comment-13503562 ] 

Nick Boldt commented on JBIDE-18654:
------------------------------------

{quote}there is a Maven plugin for that{quote}
Yes: https://maven.apache.org/plugins/maven-jdeps-plugin/

So, I've added a jdeps profile to the parent pom for version 4.5.2.AM3-SNAPSHOT.

https://github.com/jbosstools/jbosstools-build/commit/4821b55ddc14247a5254699bc023e8d6fa368718

Now, you can build any jbosstools-* project like this...

1. Create a toolchains.xml file that looks like this, ideally in your ~/.m2 folder:

{code}<?xml version="1.0" encoding="UTF8"?>
<toolchains>
  <toolchain>
    <type>jdk</type>
    <provides>
      <version>1.8</version>
      <vendor>openjdk</vendor>
    </provides>
    <configuration>
      <jdkHome>/usr/lib/jvm/java-1.8.0-openjdk/</jdkHome>
    </configuration>
  </toolchain>
  <toolchain>
    <type>jdk</type>
    <provides>
      <version>9</version>
      <vendor>openjdk</vendor>
    </provides>
    <configuration>
      <jdkHome>/usr/lib/jvm/java-9-openjdk/</jdkHome>
    </configuration>
  </toolchain>
 </toolchains>{code}

2. Update to latest parent pom:

{code}
cd /path/to/jbosstools-openshift
sed -i -e "s/4.5.2.AM1-SNAPSHOT/4.5.2.AM3-SNAPSHOT/" pom.xml # grab parent pom 4.5.2.AM3-SNAPSHOT
{code}

3. Run

{code}
mvn clean install -Pjdeps -Djdeps-jdk-version=1.8 -Djdeps-jdk-vendor=openjdk --global-toolchains ~/.m2/toolchains.xml
# or
mvn clean install -Pjdeps -Djdeps-jdk-version=9 -Djdeps-jdk-vendor=openjdk --global-toolchains ~/.m2/toolchains.xml
{code}

We could also set up Jenkins jobs to do these checks, if we wanted. 

WDYT, [~mmalina] [~psrna] [~jeffmaury] [~rob.stryker] 

> run jdeps on our jars to see how dependent we are on api that might go away in Java 9
> -------------------------------------------------------------------------------------
>
>                 Key: JBIDE-18654
>                 URL: https://issues.jboss.org/browse/JBIDE-18654
>             Project: Tools (JBoss Tools)
>          Issue Type: Task
>          Components: build
>    Affects Versions: 4.2.0.Final
>            Reporter: Max Rydahl Andersen
>            Assignee: Jeff MAURY
>             Fix For: 4.3.x, 4.5.2.Final
>
>
> Java 9 JDK team have been pinging various teams to check if they got depedency on API that is scheduled to disappear in Java 9.
> There is a tool called jdeps that we can use to check for this using the -jdkinternals flag.
> https://wiki.openjdk.java.net/display/JDK8/Java+Dependency+Analysis+Tool
> The sooner the better we get this done as it is feedback to the Java 9 team.
> If we can we should try run it on *all* jars, even eclipse ones to see what will be affected - but first of all jboss tools plugins.



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