JMX / JConsole regression with Attach API using Java 7u40 ?

[Staffan Larsen]

Taking another look, I think this is the same problem as reported in: http://mail.openjdk.java.net/pipermail/serviceability-dev/2013-August/011318.html

The bug report is at: https://bugs.openjdk.java.net/browse/JDK-8023786

A workaround may be to run the application with -Xverify:none until an update of JDK7 fixes this.

Thanks,
/Staffan


On 14 okt 2013, at 09:58, Staffan Larsen <staffan.larsen at oracle.com> wrote:

> The ConnectionFailedSSL1 and ConnectionFailedSSL2 messages should read: 
> 
> Secure connection failed. Retry insecurely?
> The connection to {0} could not be made using SSL.
> Would you like to try without SSL?
> (Username and password will be sent in plain text.)
> 
> Pressing 'Insecure' will then connect without SSL.
> 
> But form the stack trace you provide this does not look like the problem you are running into. Can try deleting all files called .attach_pidXXX and .java_pidXXX in your $TMPDIR? Also make sure jconsole and java are launched as the same user.
> 
> Thanks,
> /Staffan 
> 
> On 12 okt 2013, at 23:00, Christopher Brown <christopherbrown06 at gmail.com> wrote:
> 
>> Hello,
>> 
>> When I start an application, using Apple Java 1.6.0_51 (with "java -jar
>> application.jar" and no "-D" parameters), I can connect to it using
>> JConsole, using either the Apple Java 6 version or the Oracle Java 7
>> version.  The application registers some MXBeans using the
>> PlatformMBeanServer.
>> 
>> Now, when I start that same application, using Oracle Java 1.7.0_40, in the
>> same way, it is still visible using the Java 7 JConsole under "local
>> processes", however connection using JConsole and VisualVM fails.
>> 
>> Running JConsole with the "-debug" option, the following stacktrace is
>> displayed when JConsole fails to connect:
>> 
>> java.io.IOException: Unable to open socket file: target process not
>> responding or HotSpot VM not loaded
>>   at
>> sun.tools.jconsole.LocalVirtualMachine.loadManagementAgent(LocalVirtualMachine.java:238)
>>   at
>> sun.tools.jconsole.LocalVirtualMachine.startManagementAgent(LocalVirtualMachine.java:100)
>>   at sun.tools.jconsole.ProxyClient.tryConnect(ProxyClient.java:333)
>>   at sun.tools.jconsole.ProxyClient.connect(ProxyClient.java:313)
>>   at sun.tools.jconsole.VMPanel$2.run(VMPanel.java:292)
>> Caused by: com.sun.tools.attach.AttachNotSupportedException: Unable to open
>> socket file: target process not responding or HotSpot VM not loaded
>>   at sun.tools.attach.BsdVirtualMachine.<init>(BsdVirtualMachine.java:90)
>>   at
>> sun.tools.attach.BsdAttachProvider.attachVirtualMachine(BsdAttachProvider.java:63)
>>   at com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:213)
>>   at
>> sun.tools.jconsole.LocalVirtualMachine.loadManagementAgent(LocalVirtualMachine.java:236)
>>   ... 4 more
>> 
>> JConsole displays the dialog "ConnectionFailedSSL1" and
>> "ConnectionFailedSSL2", with [Cancel] and [Insecure] options.  If I click
>> "insecure", it fails in exactly the same with.
>> 
>> For a development environment, how can I get things working again so that
>> it "just works" (Oracle Java 7 VM and Java 7 JConsole) ?
>> 
>> Thanks,
>> Christopher
>