RFR: 8263565: NPE was thrown when sun.jvm.hotspot.rmi.serverNamePrefix was set

[Yasumasa Suenaga]

On Tue, 16 Mar 2021 01:25:26 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

>> I think the default rmi registry port is 1099. However, do we need to also support something like [JDK-8196729](https://bugs.openjdk.java.net/browse/JDK-8196729) for the rmi communications port?
>
>> I think the default rmi registry port is 1099. However, do we need to also support something like [JDK-8196729](https://bugs.openjdk.java.net/browse/JDK-8196729) for the rmi communications port?
> 
> We can specify RMI communication port with `--rmiport` in `jhsdb debugd`. It has been introduced in [JDK-8196751](https://bugs.openjdk.java.net/browse/JDK-8196751).

For example, if we want to fix RMI registry and communication port, we can start debugd instance as following:

$ jhsdb debugd --pid 1234 --registryport 2000 --rmiport 3000

Then, we can connect to it as following:

$ jhsdb jinfo --connect localhost:2000

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PR: https://git.openjdk.java.net/jdk/pull/3000