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Some of the warnings about varargs means that it is imprecise about
what method should get called.
"As an API designer, you should use them sparingly, only when the
benefit is truly compelling. Generally speaking, you should not
overload a varargs method, or it will be difficult for programmers to
figure out which overloading gets
called."(http://java.sun.com/j2se/1.5.0/docs/guide/language/varargs.ht
ml)
did you hear that, developers? vararg methods should NOT be
overloaded. I think you can safely ignore them. Maybe you can
convince some of the developers to get rid of them from 0.7.
As for the symbols not found, it means that you are missing some
jars. download
http://freenetproject.org/snapshots/freenet-contrib-latest.src.tar.bz2
and put them in your CLASSPATH.
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From: Juiceman <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED],Discussion of development issues
<[email protected]>
To: Discussion of development issues <[email protected]>
Subject: Re: [freenet-dev] Compiling with Sun 1.5
Date: Sun, 18 Sep 2005 14:09:59 -0400
On 9/18/05, Yongqian Li <[EMAIL PROTECTED]> wrote:
> Java 5 is very diffrent from previous versions (4, 3, 2) etc., so you
cannot
> compile the code for previous JREs. If some of the warnings look like
>
> Note: [java file].java uses unchecked or unsafe operations.
> Note: Recompile with -Xlint:unchecked for details.
>
> you can safely ignore it. It's a new protective feature added in Java 5
that
> programmers can take advantage of to write safer code (specifically it
can
> help get rid of ClassCastExceptions from using the Collections
framework).
> As for the warnings, did you put the jar files that Freenet requires
into
> the CLASSPATH? (try C:\Program Files\Java\jdk1.5.0_04\lib ) As for the
> smaller jar size, the Java 5 compiler add new optimizations to the
bytecode,
> making it smaller. I have noticed this with my own programs, so it is
> normal.
>
> I hope I have been helpful.
Thanks for answering so quickly! I hope my newbie coder questions
aren't too retarded. This is what I get with the default build.bat
Building Freenet Java implementation (Fred)
Building the Freenet node and servlets...
javac: target release 1.1 conflicts with default source release 1.5
Built node and servlets
Building Freenet command-line client...
javac: target release 1.1 conflicts with default source release 1.5
Built command-line client.
Building FProxy...
javac: target release 1.1 conflicts with default source release 1.5
Built FProxy
Copying Templates
Building Tools...
javac: target release 1.1 conflicts with default source release 1.5
Built Tools
Creating freenet.jar...
Done
The jar didn't build (well, it did but it only 124KB). If I change
the target to 1.5 I get:
Building Freenet Java implementation (Fred)
Building the Freenet node and servlets...
src\freenet\node\NodeConfigUpdater.java:117: warning: non-varargs call of
varar
s method with inexact argument type for last parameter;
cast to java.lang.Class for a varargs call
cast to java.lang.Class[] for a non-varargs call and to suppress this
warning
null).invoke(
^
src\freenet\node\NodeConfigUpdater.java:119: warning: non-varargs call of
varar
s method with inexact argument type for last parameter;
cast to java.lang.Object for a varargs call
cast to java.lang.Object[] for a non-varargs call and to suppress this
warning
null);
^
Note: * uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
2 warnings
Built node and servlets
Building Freenet command-line client...
src\freenet\client\FreenetURITest.java:5: package junit.framework does not
exis
import junit.framework.TestCase;
^
src\freenet\client\FreenetURITest.java:10: cannot find symbol
symbol: class TestCase
public class FreenetURITest extends TestCase {
^
src\freenet\client\FreenetURITest.java:13: package junit.textui does not
exist
junit.textui.TestRunner.run(FreenetURITest.class);
^
src\freenet\client\FreenetURITest.java:30: cannot find symbol
symbol : method assertTrue(java.lang.String,boolean)
location: class freenet.client.FreenetURITest
assertTrue("Error parsing freenet URI",
false);
^
src\freenet\node\NodeConfigUpdater.java:117: warning: non-varargs call of
varar
s method with inexact argument type for last parameter;
cast to java.lang.Class for a varargs call
cast to java.lang.Class[] for a non-varargs call and to suppress this
warning
null).invoke(
^
src\freenet\node\NodeConfigUpdater.java:119: warning: non-varargs call of
varar
s method with inexact argument type for last parameter;
cast to java.lang.Object for a varargs call
cast to java.lang.Object[] for a non-varargs call and to suppress this
warning
null);
^
Note: * uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
4 errors
2 warnings
Built command-line client.
Building FProxy...
src\freenet\node\NodeConfigUpdater.java:117: warning: non-varargs call of
varar
s method with inexact argument type for last parameter;
cast to java.lang.Class for a varargs call
cast to java.lang.Class[] for a non-varargs call and to suppress this
warning
null).invoke(
^
src\freenet\node\NodeConfigUpdater.java:119: warning: non-varargs call of
varar
s method with inexact argument type for last parameter;
cast to java.lang.Object for a varargs call
cast to java.lang.Object[] for a non-varargs call and to suppress this
warning
null);
^
Note: * uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
2 warnings
Built FProxy
Copying Templates
Building Tools...
error: cannot read: src\freenet\fs\dir\FSConsole.java
1 error
Built Tools
Creating freenet.jar...
Done
The jar builds to 2110KB which is much closer to normal. I don't like
the looks of the "cannot find symbol" errors and FSConsole.java didn't
build at all...
Thanks in advance for any insight you may have.
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