Question

我写了一个只包含这个类的Liferay 7模块：

...

@Component(
        immediate = true,
        property = {
                "servlet-context-name=",
                "servlet-filter-name=myfilter",
                "url-pattern=/*"
        },
        service = Filter.class
)
public class MyFilter extends BaseFilter {
    ...
}

它编译得很好，但是在新安装的Liferay 7上部署它会出现此错误：

STARTED com.liferay.marketplace.deployer_2.0.9 [170]
STARTED mymodule_1.0.0 [668]
[mymodule:97] BundleComponentActivator : Bundle [668] Unexpected failure enabling component holder my.MyFilter
java.lang.NoClassDefFoundError: com/liferay/portal/kernel/servlet/BaseFilter
        at java.lang.ClassLoader.defineClass1(Native Method)
[...]
Caused by: java.lang.ClassNotFoundException: com.liferay.portal.kernel.servlet.BaseFilter cannot be found by mymodule_1.0.0
        at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:444)
        at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:357)
        at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:349)
        at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 48 more

我做错了什么？

这是我的模块build.gradle：

dependencies {
    compileOnly group: "biz.aQute.bnd", name: "biz.aQute.bndlib", version: "3.1.0"
    compileOnly group: "com.liferay", name: "com.liferay.osgi.util", version: "3.0.0"
    compileOnly group: "com.liferay", name: "com.liferay.portal.spring.extender", version: "2.0.0"
    compileOnly group: "com.liferay.portal", name: "com.liferay.portal.kernel", version: "2.0.0"
    compileOnly group: "com.liferay", name: "com.liferay.portal.security.audit.api", version: "2.0.0"
    compileOnly group: "com.liferay", name: "com.liferay.portal.configuration.metatype", version: "2.0.0"
    compileOnly group: "com.liferay", name: "com.liferay.document.library.web", version: "1.0.10"
    compileOnly group: "org.osgi", name: "org.osgi.compendium", version: "5.0.0"
    compileOnly group: "javax.portlet", name: "portlet-api", version: "2.0"
    compileOnly group: "javax.servlet", name: "servlet-api", version: "2.5"
    compileOnly group: "org.osgi", name:"org.osgi.service.component.annotations", version:"1.3.0"
}

Answer 1

此错误表示您的捆绑包应导入包com.liferay.portal.kernel.servlet。

OSGi包只能从它们直接包含或使用Import-Package清单标头明确导入的包中加载。

Answer 2

我认为你的jar Manifest缺少com.liferay.portal.kernel.servlet的包导入。

如何创建捆绑包？

导致此问题的典型错误是手动配置导入的包并错过,*以启用该bnd自动分析导入。

MyNodule找不到ClassNotFoundException：com.liferay.portal.kernel.servlet.BaseFilter

2 个答案: