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java NetBeans Web应用程序

我正在开发一个使用hibernate的NetBeans Web应用程序。更改两行代码后,我遇到了下一个错误:

ant -f C:\Users\User\Assignments\AssignmentZaposleni -Dnb.internal.action.name=debug -Ddirectory.deployment.supported=true -DforceRedeploy=false -Dnb.wait.for.caches=true -Dbrowser.context=C:\Users\User\Assignments\AssignmentZaposleni debug
C:\Users\User\Assignments\AssignmentZaposleni\nbproject\build-impl.xml:797: The libs.CopyLibs.classpath property is not set up.
This property must point to 
org-netbeans-modules-java-j2seproject-copylibstask.jar file which is part
of NetBeans IDE installation and is usually located at 
<netbeans_installation>/java<version>/ant/extra folder.
Either open the project in the IDE and make sure CopyLibs library
exists or setup the property manually. For example like this:
 ant -Dlibs.CopyLibs.classpath=a/path/to/org-netbeans-modules-java-j2seproject-copylibstask.jar
BUILD FAILED (total time: 0 seconds)

在更改代码之前,编译没有问题。 代码的变化是:

之前的代码:

mySQL=Restrictions.sqlRestriction(upit.substring(upit.indexOf("WHERE")));
    criteria.add(mySQL);

下面的代码是:

mySQL=Restrictions.sqlRestriction(upit.substring(upit.indexOf("WHERE")));
    criteria.add(mySQL);
List list =session.createCriteria(Zaposleni.class).add(mySQL).list();

当我发表评论时,更改错误仍然存在!? 有人能帮我吗?谢谢


共 (1) 个答案

  1. # 1 楼答案

    也许您有自动的NetBeans更新,在您对Java代码进行更改的过程中,NetBeans对配置文件进行了一些更新和更改。试试这个也许会有帮助:

    右键单击项目名称/属性/库/编译/

    如果没有“CopyLibs任务”,请按添加:

    AddLibrary,选择CopyLib任务,最后AddLibrary/OK