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From Antoine Levy Lambert <anto...@gmx.de>
Subject Re: Depedency to tools.jar
Date Thu, 12 Jun 2014 02:47:05 GMT
Hello Olivier,

your wish makes sense. You are right, only the specific ant tasks such as javac/javadoc/javah
which use java command line tools should worry about tools.jar being around.

Before you open a bug report, let’s see whether other Ant committers have opinions on this
topic.

Regards,

Antoine
On Jun 11, 2014, at 3:36 AM, Olivier Croquette <ocroquette@free.fr> wrote:

> Hello,
> 
> when using Ant with a JRE (instead of the JDK), the following message appears:
> 
> Unable to locate tools.jar. Expected to find it in C:\Program Files\Java\jre7\lib\tools.jar
> 
> It comes from getToolsJar() in "ant/src/main/org/apache/tools/ant/launch/Locator.java",
which is called independently of the real need for the classes provided by tools.jar. They
seem to be used only when building a Java application (see details below). However, Ant is
also used for non Java builds, for instance DITA uses Ant, and seems to work just fine with
a JRE. The only inconvenience is the message that appears in the logs.
> 
> It would be great to get rid of the message in this case. What do you think ? Shall I
open a bug report ?
> 
> 
> Here are the references to the classes contained in tools.jar, for the record:
> 
> ant/build.xml:        <available classname="com.sun.tools.javah.Main"/>
> ant/build.xml:        <available classname="sun.tools.native2ascii.Main"/>
> ant/manual/Tasks/javadoc.html:              <code>com.sun.tools.doclets.ToDoTaglet</code></a>)</td>
> ant/manual/Tasks/javadoc.html:you maybe get a <tt>java.lang.ClassCastException:
com.sun.tools.javadoc.ClassDocImpl</tt>.
> ant/src/etc/testcases/taskdefs/rmic/rmic.xml:    <available property="rmic.present"
classname="sun.rmi.rmic.Main"/>
> ant/src/main/org/apache/tools/ant/launch/Locator.java:                Class.forName("sun.tools.javac.Main");
> ant/src/main/org/apache/tools/ant/launch/Locator.java:            Class.forName("com.sun.tools.javac.Main");
> ant/src/main/org/apache/tools/ant/taskdefs/compilers/AptCompilerAdapter.java:    public
static final String APT_ENTRY_POINT = "com.sun.tools.apt.Main";
> ant/src/main/org/apache/tools/ant/taskdefs/compilers/CompilerAdapterFactory.java:   
private static final String MODERN_COMPILER = "com.sun.tools.javac.Main";
> ant/src/main/org/apache/tools/ant/taskdefs/compilers/Javac12.java:    protected static
final String CLASSIC_COMPILER_CLASSNAME = "sun.tools.javac.Main";
> ant/src/main/org/apache/tools/ant/taskdefs/compilers/Javac13.java:            Class c
= Class.forName ("com.sun.tools.javac.Main");
> ant/src/main/org/apache/tools/ant/taskdefs/optional/javah/SunJavah.java:            
   c = Class.forName("com.sun.tools.javah.Main");
> ant/src/main/org/apache/tools/ant/taskdefs/optional/javah/SunJavah.java:            
   c = Class.forName("com.sun.tools.javah.oldjavah.Main");
> ant/src/main/org/apache/tools/ant/taskdefs/optional/javah/SunJavah.java: * Adapter to
com.sun.tools.javah.oldjavah.Main or com.sun.tools.javah.Main.
> ant/src/main/org/apache/tools/ant/taskdefs/optional/jsp/WLJspc.java:        args[j++]
= "sun.tools.javac.Main";
> ant/src/main/org/apache/tools/ant/taskdefs/optional/native2ascii/SunNative2Ascii.java:
                                        + "sun.tools.native2ascii.Main");
> ant/src/main/org/apache/tools/ant/taskdefs/optional/native2ascii/SunNative2Ascii.java:
           Class n2aMain = Class.forName("sun.tools.native2ascii.Main");
> ant/src/main/org/apache/tools/ant/taskdefs/optional/native2ascii/SunNative2Ascii.java:
* Adapter to sun.tools.native2ascii.Main.
> ant/src/main/org/apache/tools/ant/taskdefs/rmic/SunRmic.java:    public static final
String RMIC_CLASSNAME = "sun.rmi.rmic.Main";
> 
> 
> Olivier
> 


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