Thanks to everyone for the quick feedback on this topic, and especially
to Andrew for the constructive dialogue.
Here's a revised proposal:
- Define a new VM option, `-XX:+EnableDynamicAgentLoading`, that's
on by default in JDK 9 but off by default in JDK 10.
This will allow launch scr
On 04/05/2017 11:15 AM, mark.reinh...@oracle.com wrote:
Thanks to everyone for the quick feedback on this topic, and especially
to Andrew for the constructive dialogue.
Here's a revised proposal:
- Define a new VM option, `-XX:+EnableDynamicAgentLoading`, that's
on by default in JDK 9 but
On 5 April 2017 at 19:15, wrote:
> - Enhance the `-jar` launcher option so that if the JAR file being
> launched contains a `Premain-Class` attribute then it's launched
> as both an application and as an agent for that application.
>
> This will allow `java -jar foo.jar` to be used
2017/4/5 10:00:13 -0700, michael.rasmus...@zeroturnaround.com:
> On 5 April 2017 at 19:15, wrote:
>> ...
>>
>> - Enhance the `-jar` launcher option so that if the JAR file being
>>launched contains a `Premain-Class` attribute then it's launched
>>as both an application and as an agent f
On 05/04/2017 17:55, David M. Lloyd wrote:
This is just plain weird from a security perspective, to say that
unrelated processes have more privilege to control the current process
than processes that are closely related.
Anyway this is yet another case where arbitrary artificial hurdles are
- Mail original -
> De: "mark reinhold"
> À: jigsaw-dev@openjdk.java.net
> Envoyé: Mercredi 5 Avril 2017 18:15:20
> Objet: Disallowing the dynamic loading of agents by default (revised)
> Thanks to everyone for the quick feedback on this topic, and espec
On 6 April 2017 at 02:34, wrote:
> Interesting. Perhaps we need a `Self-Premain-Class` attribute, or some
> such.
>
> Out of curiosity, would it do any harm in your `java -jar` case if the
> agent is activated?
As it is right now, yes, that would cause the execution to potentially fail.
Should
On 05/04/17 17:15, mark.reinh...@oracle.com wrote:
> Thanks to everyone for the quick feedback on this topic, and especially
> to Andrew for the constructive dialogue.
>
> Here's a revised proposal:
>
> - Define a new VM option, `-XX:+EnableDynamicAgentLoading`, that's
> on by default in JD
On 04/06/2017 02:56 AM, Alan Bateman wrote:
On 05/04/2017 17:55, David M. Lloyd wrote:
This is just plain weird from a security perspective, to say that
unrelated processes have more privilege to control the current process
than processes that are closely related.
Anyway this is yet another c
On 06/04/17 13:56, David M. Lloyd wrote:
> On 04/06/2017 02:56 AM, Alan Bateman wrote:
>> On 05/04/2017 17:55, David M. Lloyd wrote:
>>
>>>
>>> This is just plain weird from a security perspective, to say that
>>> unrelated processes have more privilege to control the current process
>>> than proce
On 06/04/2017 13:56, David M. Lloyd wrote:
I know, I'm giving examples of how such a library could circumvent
this restriction. Another example is to start a child process and a
grandchild process, and then have the child process exit.
The examples in your first mail aren't a problem. Yes, t
Mark,
I much prefer this proposal and it covers my use case which is fantastic Some
comments below:
> On Apr 5, 2017, at 12:15 PM, mark.reinh...@oracle.com wrote:
>
> Thanks to everyone for the quick feedback on this topic, and especially
> to Andrew for the constructive dialogue.
>
> Here's
On 06/04/17 18:48, Alasdair Nottingham wrote:
> I think giving more time to react to the change is good, but I think this just
> provides more notice that dynamic attach will go away, it doesn’t ultimately
> provide a solution for the problems that are currently solved using dynamic
> attach of age
day, April 5, 2017 12:15 PM
To: jigsaw-dev@openjdk.java.net
Subject: Disallowing the dynamic loading of agents by default (revised)
Thanks to everyone for the quick feedback on this topic, and especially to
Andrew for the constructive dialogue.
Here's a revised proposal:
- Define a new VM op
[mailto:jigsaw-dev-boun...@openjdk.java.net] On Behalf
> Of mark.reinh...@oracle.com
> Sent: Wednesday, April 5, 2017 12:15 PM
> To: jigsaw-dev@openjdk.java.net
> Subject: Disallowing the dynamic loading of agents by default (revised)
>
> Thanks to everyone f
2017/4/6 2:07:27 -0700, michael.rasmus...@zeroturnaround.com:
> On 6 April 2017 at 02:34, wrote:
>> Interesting. Perhaps we need a `Self-Premain-Class` attribute, or some
>> such.
>>
>> Out of curiosity, would it do any harm in your `java -jar` case if the
>> agent is activated?
>
> As it is r
2017/4/6 3:09:49 -0700, Andrew Dinn :
> On 05/04/17 17:15, mark.reinh...@oracle.com wrote:
>> Thanks to everyone for the quick feedback on this topic, and especially
>> to Andrew for the constructive dialogue.
>>
>> Here's a revised proposal:
>>
>> - Define a new VM option, `-XX:+EnableDynamicAg
2017/4/6 10:48:12 -0700, alasdair.notting...@gmail.com:
> On Apr 5, 2017, at 12:15 PM, mark.reinh...@oracle.com wrote:
>>
>> Thanks to everyone for the quick feedback on this topic, and especially
>> to Andrew for the constructive dialogue.
>>
>> Here's a revised proposal:
>>
>> - Define a new V
On 10 April 2017 at 00:04, wrote:
> Okay, so how about this revised proposal:
>
> - Define a new JAR-file manifest attribute, `Launcher-Agent-Class`.
> If this attribute is present in the manifest of an executable JAR
> file then the `agentmain` method of the specified class will be
>
gt;> It seems to me that it's late in Phase 2 of ramp-down of JDK 9 and this
>> feature is not baked or well received. IMO no changes should be done in
>> this area for JDK 9.
>>
>>
>> -Original Message-
>> From: jigsaw-dev [mailto:jigsaw-dev-bo
The Jigsaw EA builds [1] have been refreshed to include some of the
pieces in this proposal, specifically:
- If an executable JAR contains a java agent then it will be started by
`java -jar` when the main manifest has the `Launcher-Agent-Class`
attribute. The entry point that is invoked is the
isallowing the dynamic loading of agents by default (revised)
The Jigsaw EA builds [1] have been refreshed to include some of the pieces in
this proposal, specifically:
- If an executable JAR contains a java agent then it will be started by `java
-jar` when the main manifest has the `Launcher-A
On 11/04/2017 05:31, Stephen Felts wrote:
The description below leaves out the " ancestor of the current process".
Which way is it - do we need to start two processes or one to work around this?
The thread moved one from the original proposal. The only requirement
now is that the tool and targ
---Original Message-
From: Alan Bateman
Sent: Tuesday, April 11, 2017 3:01 AM
To: Stephen Felts; jigsaw-dev@openjdk.java.net
Subject: Re: Disallowing the dynamic loading of agents by default (revised)
On 11/04/2017 05:31, Stephen Felts wrote:
> The description below leaves out
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