Problems clean and build

[jorgaf]

I download the branch https://code.launchpad.net/~gephi.team/gephi/seadragon

When I do a clean and build I get the message:
===========
(clean,build)
===========
Distilling /Users/jorgaf/NetBeansProjects/MyGephi/seadragon/build/public-package-jars/org-gephi-data-attributes.jar from [/Users/jorgaf/NetBeansProjects/MyGephi/seadragon/build/cluster/modules/org-gephi-data-attributes.jar]
/Applications/NetBeans/NetBeans 7.0.1.app/Contents/Resources/NetBeans/harness/suite.xml:184: The following error occurred while executing this line:
/Applications/NetBeans/NetBeans 7.0.1.app/Contents/Resources/NetBeans/harness/build.xml:174:
java.util.zip.ZipException: ZIP file must have at least one entry
at java.util.zip.ZipOutputStream.finish(ZipOutputStream.java:304)
at java.util.zip.DeflaterOutputStream.close(DeflaterOutputStream.java:146)
at java.util.zip.ZipOutputStream.close(ZipOutputStream.java:321)
at org.netbeans.nbbuild.ParseProjectXml.createPublicPackageJar(ParseProjectXml.java:1526)
at org.netbeans.nbbuild.ParseProjectXml.computeClasspath(ParseProjectXml.java:1024)
at org.netbeans.nbbuild.ParseProjectXml.execute(ParseProjectXml.java:489)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:442)
at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:302)
at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:221)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:284)
at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539)
at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)

And when I try to create my plugin (Create NBM) I get the message:

verify-class-linkage:
Unable to obtain resource from /Users/jorgaf/NetBeansProjects/MyGephi/seadragon/build/public-package-jars/org-gephi-data-attributes.jar: java.util.zip.ZipException: error in opening zip file
Unable to obtain resource from /Users/jorgaf/NetBeansProjects/MyGephi/seadragon/build/public-package-jars/org-gephi-data-attributes.jar:
java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:127)
at java.util.jar.JarFile.<init>(JarFile.java:135)
at java.util.jar.JarFile.<init>(JarFile.java:99)
at org.apache.tools.ant.AntClassLoader.getResourceURL(AntClassLoader.java:1002)
at org.apache.tools.ant.AntClassLoader.getResource(AntClassLoader.java:883)
at org.netbeans.nbbuild.VerifyClassLinkage.verify(VerifyClassLinkage.java:253)
at org.netbeans.nbbuild.VerifyClassLinkage.execute(VerifyClassLinkage.java:183)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:284)
at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539)
at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)

In both cases is the same error. What I have to do?

Thx