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  1. JDK
  2. JDK-8263565

NPE was thrown when sun.jvm.hotspot.rmi.serverNamePrefix was set

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    • Bug
    • Resolution: Fixed
    • P4
    • 17
    • 17
    • hotspot
    • None
    • b17

    Description

      NPE was thrown when I set server name prefix for debugd as following:

      ```
      $ jhsdb -J-Dsun.jvm.hotspot.rmi.serverNamePrefix=test debugd --pid 781
      Attaching to process ID 781 and starting RMI services, please wait...
      Error attaching to process or starting server: sun.jvm.hotspot.debugger.DebuggerException: java.lang.NullPointerException: Cannot invoke "String.length()" because "this.input" is null
              at jdk.hotspot.agent/sun.jvm.hotspot.RMIHelper.rebind(RMIHelper.java:78)
              at jdk.hotspot.agent/sun.jvm.hotspot.HotSpotAgent.setupDebugger(HotSpotAgent.java:379)
              at jdk.hotspot.agent/sun.jvm.hotspot.HotSpotAgent.go(HotSpotAgent.java:329)
              at jdk.hotspot.agent/sun.jvm.hotspot.HotSpotAgent.startServer(HotSpotAgent.java:215)
              at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.runDEBUGD(SALauncher.java:431)
              at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.main(SALauncher.java:493)
      Caused by: java.lang.NullPointerException: Cannot invoke "String.length()" because "this.input" is null
              at java.base/java.net.URI$Parser.parse(URI.java:3166)
              at java.base/java.net.URI.<init>(URI.java:623)
              at java.rmi/java.rmi.Naming.intParseURL(Naming.java:273)
              at java.rmi/java.rmi.Naming.parseURL(Naming.java:237)
              at java.rmi/java.rmi.Naming.rebind(Naming.java:171)
              at jdk.hotspot.agent/sun.jvm.hotspot.RMIHelper.rebind(RMIHelper.java:64)
              ... 5 more
      ```

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              ysuenaga Yasumasa Suenaga
              ysuenaga Yasumasa Suenaga
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                Created:
                Updated:
                Resolved: