The sources are from 2007-09-20 07:04:10.

The bug is here:

   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/actions/DebugCommandImpl.java:38:
org.netbeans.modules.php.rt.providers.impl.actions.DebugCommandImpl is not abstract and does not override abstract
method isEnabled() in org.netbeans.modules.php.rt.spi.providers.Command
   [repeat] public class DebugCommandImpl extends AbstractCommand implements Command {


Here is little bit larger output of the same error:

build-init:
[parseprojectxml] Distilling
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/nbbuild/build/public-package-jars/org-netbeans-modules-php-dbgp.jar
from
[/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/nbbuild/netbeans/extra/modules/org-netbeans-modules-php-dbgp.jar]

-init-proxy:

init:

compile:
    [mkdir] Created dir:
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/build/classes
    [javac] Compiling 89 source files to
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/build/classes
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/ui/AddHostWizard.java:89:
warning: [unchecked] unchecked conversion
   [repeat] found   : org.netbeans.modules.php.rt.ui.AddHostWizard.AddHostWizardIterator
   [repeat] required: org.openide.WizardDescriptor.Iterator<org.openide.WizardDescriptor>
   [repeat]         super(iterator);
   [repeat]               ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/WebServersRootNode.java:128:
warning: [unchecked] unchecked call to setKeys(java.util.Collection<? extends T>) as a member of the raw type
org.openide.nodes.Children.Keys
   [repeat]             setKeys( Collections.emptySet() );
   [repeat]                    ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/WebServersRootNode.java:129:
warning: [unchecked] unchecked call to setKeys(java.util.Collection<? extends T>) as a member of the raw type
org.openide.nodes.Children.Keys
   [repeat]             setKeys( collection );
   [repeat]                    ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/AbstractServerNode.java:84:
warning: non-varargs call of varargs method with inexact argument type for last parameter;
   [repeat] cast to java.lang.Object for a varargs call
   [repeat] cast to java.lang.Object[] for a non-varargs call and to suppress this warning
   [repeat]                 String title = MessageFormat.format(NbBundle.getMessage(AbstractServerNode.class,
SERVER_CUSTOMIZER_DIALOG_TITLE), new String[]{impl.getName()});
   [repeat]                                                                                                            
                                   ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/AbstractServerNode.java:112:
warning: [unchecked] unchecked call to ArrayList(java.util.Collection<? extends E>) as a member of the raw type
java.util.ArrayList
   [repeat]             ArrayList<Action> actionsList = new ArrayList(Arrays.asList(ACTIONS));
   [repeat]                                             ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/AbstractServerNode.java:112:
warning: [unchecked] unchecked conversion
   [repeat] found   : java.util.ArrayList
   [repeat] required: java.util.ArrayList<javax.swing.Action>
   [repeat]             ArrayList<Action> actionsList = new ArrayList(Arrays.asList(ACTIONS));
   [repeat]                                             ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/DefaultServerCustomizer.java:139:
warning: [unchecked] unchecked call to updateHost(T,T) as a member of the raw type
org.netbeans.modules.php.rt.providers.impl.AbstractProvider
   [repeat]             provider.updateHost(oldHost, newHost);
   [repeat]                                ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/actions/DebugCommandImpl.java:38:
org.netbeans.modules.php.rt.providers.impl.actions.DebugCommandImpl is not abstract and does not override abstract
method isEnabled() in org.netbeans.modules.php.rt.spi.providers.Command
   [repeat] public class DebugCommandImpl extends AbstractCommand implements Command {
   [repeat]        ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/ftp/ftpclient/ConnectionPool.java:74:
warning: [unchecked] unchecked cast
   [repeat] found   : java.lang.Object
   [repeat] required: T
   [repeat]             T conn = (T) list.nextElement();
   [repeat]                                          ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/ftp/nodes/FileInfoNode.java:106:
warning: [unchecked] unchecked call to ArrayList(java.util.Collection<? extends E>) as a member of the raw type
java.util.ArrayList
   [repeat]             ArrayList<Action> actionsList = new ArrayList(Arrays.asList(ACTIONS));
   [repeat]                                             ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/ftp/nodes/FileInfoNode.java:106:
warning: [unchecked] unchecked conversion
   [repeat] found   : java.util.ArrayList
   [repeat] required: java.util.ArrayList<javax.swing.Action>
   [repeat]             ArrayList<Action> actionsList = new ArrayList(Arrays.asList(ACTIONS));
   [repeat]                                             ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/ftp/nodes/FtpBaseObjectNodeChildren.java:85:
warning: [unchecked] unchecked call to setKeys(java.util.Collection<? extends T>) as a member of the raw type
org.openide.nodes.Children.Keys
   [repeat]         setKeys(Collections.emptySet());
   [repeat]                ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/ftp/nodes/FtpBaseObjectNodeChildren.java:115:
warning: [unchecked] unchecked call to setKeys(java.util.Collection<? extends T>) as a member of the raw type
org.openide.nodes.Children.Keys
   [repeat]             setKeys(fileList);
   [repeat]                    ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/ftp/nodes/FtpServerNode.java:73:
warning: [unchecked] unchecked call to setKeys(T[]) as a member of the raw type org.openide.nodes.Children.Keys
   [repeat]             setKeys(new Object[]{host});
   [repeat]                    ^
   [repeat]
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/scripting/php/rtexplorer/src/org/netbeans/modules/php/rt/providers/impl/local/apache/ServerChooserVisual.java:168:
warning: [unchecked] unchecked conversion
   [repeat] found   : org.netbeans.modules.php.rt.providers.impl.AbstractProvider
   [repeat] required:
org.netbeans.modules.php.rt.providers.impl.AbstractProvider<org.netbeans.modules.php.rt.providers.impl.local.LocalHostImpl>
   [repeat]                         (AbstractProvider) provider);
   [repeat]                         ^
   [repeat] 1 error
   [repeat] 14 warnings
  [nbmerge] Failed to build target: all-scripting/php/rtexplorer

BUILD FAILED
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/nbbuild/build.xml:653: The following
error occurred while executing this line:
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/nbbuild/build.xml:648: The following
error occurred while executing this line:
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/nbbuild/build.xml:698: The following
error occurred while executing this line:
/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/work/netbeans-src/nbbuild/templates/common.xml:93: Compile
failed; see the compiler error output for details.

Total time: 44 minutes 8 seconds
 * 
 * ERROR: dev-util/netbeans-6.0_beta1_p20070920070410 failed.
 * Call stack:
 *   ebuild.sh, line 1654:   Called dyn_compile
 *   ebuild.sh, line 990:   Called qa_call 'src_compile'
 *   ebuild.sh, line 44:   Called src_compile
 *   netbeans-6.0_beta1_p20070920070410.ebuild, line 436:   Called eant '-Dstop.when.broken.modules=true'
'-Dbuild.compiler.deprecation=false'
'-Dnb.clusters.list=nb.cluster.platform,nb.cluster.apisupport,nb.cluster.cnd,nb.cluster.experimental,nb.cluster.harness,nb.cluster.ide,nb.cluster.identity,nb.cluster.j2ee,nb.cluster.java,nb.cluster.mobility,nb.cluster.nb,nb.cluster.profiler,nb.cluster.ruby,nb.cluster.soa,nb.cluster.stableuc,nb.cluster.testtools,nb.cluster.uml,nb.cluster.visualweb,nb.cluster.xml'
'-f' 'nbbuild/build.xml' '-Dbuildnum=6.0_beta1_p20070920070410' 'build-nozip'
 *   java-utils-2.eclass, line 1919:   Called die
 * 
 * eant failed
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/dev-util/netbeans-6.0_beta1_p20070920070410/temp/build.log'.
 * This ebuild is from an overlay: '/home/fordfrog/gentoo/java/java-experimental/'
 * 
!!! When you file a bug report, please include the following information:
GENTOO_VM=sun-jdk-1.5  CLASSPATH="." JAVA_HOME="/opt/sun-jdk-1.5.0.12"
JAVACFLAGS="-source 1.5 -target 1.5" COMPILER="javac"