java - org.osgi.framework.BundleException : Could not resolve module: org. eclipse.jetty.plus

Question

从 Karaf 缓存日志中，当我在 karaf 中部署 bundle 时，我多次收到以下错误

!ENTRY org.eclipse.jetty.jndi 4 0 2019-02-21 16:27:11.500
!MESSAGE FrameworkEvent ERROR
!STACK 0
org.osgi.framework.BundleException: Could not resolve module: org.eclipse.jetty.jndi [77]
  Unresolved requirement: Import-Package: javax.mail; version="[1.4.0,2.0.0)"

    at org.eclipse.osgi.container.Module.start(Module.java:444)
    at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1634)
    at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1614)
    at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1585)
    at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1528)
    at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
    at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
    at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)

Answer 1

bundle org.eclipse.jetty.jndi依赖于javax.mail；版本=“[1.4.0,2.0.0)”。造成此错误的原因有 2 个。

1. 所有 bundle 均未导出 javax.mail，或者主机未将包 javax.mail 添加为 SYSTEM_PACKAGE。
2. 主机已添加 javax.mail 作为 SYSTEM_PACKAGE，但版本可能不在 1.4.0 和 2.0.0 之间。

P.S:这里的主机是 Equinox