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  1. Sling
  2. SLING-7312

Java 9 requires javax.annotation to be added to the classpath

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Starter 11
    • Component/s: Launchpad
    • Labels:
      None

      Description

      When running on Java 9 post SLING-7186 startup fails due to the javax.annotation package no longer being exported by default, e.g.

      org.osgi.framework.BundleException: Unable to resolve org.apache.sling.installer.core [2](R 2.0): missing requirement [org.apache.sling.installer.core [2](R 2.0)] osgi.wiring.package; (osgi.wiring.package=javax.annotation) Unresolved requirements: [[org.apache.sling.installer.core [2](R 2.0)] osgi.wiring.package; (osgi.wiring.package=javax.annotation)]
      	at org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:4149)
      	at org.apache.felix.framework.Felix.startBundle(Felix.java:2119)
      	at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1373)
      	at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
      	at java.base/java.lang.Thread.run(Thread.java:844)

      The interesting part here is that the javax.annotation classes that are required - for instance javax.annotation.CheckForNull are not part of the JDK-provided javax.annotation package, they must come from another jar. In fact, we don't have that Jar deployed in the starter, but instead the JDK provides:

      Generated.class
      PostConstruct.class
      PreDestroy.class
      Resource.class
      Resources.class
      

      In a sense, this is very close to the root cause of SLING-7135 - solving one might solve both but the symptoms are very different so raising it separately.

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            • Assignee:
              karlpauls Karl Pauls
              Reporter:
              rombert Robert Munteanu

              Dates

              • Created:
                Updated:
                Resolved:

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