Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-27 Thread Hamlin Li

Hi Roger,

Thanks for reviewing.

Thank you

-Hamlin

On 2019/11/27 11:09 PM, Roger Riggs wrote:

Looks good.

Thanks for the revisions,  Roger

On 11/26/19 8:51 PM, Hamlin Li wrote:


Hi Roger,

Thanks for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/27 2:47 AM, Roger Riggs wrote:

Hi Hamlin,

ok, but it looses the logging of the connection close when the 
socket is null.

I intended to suggest that the logging happened before/outside the test
for socket != null.

if (TCPTransport.tcpLog.isLoggable(Log.BRIEF)) {
TCPTransport.tcpLog.log(Log.BRIEF,"close connection, socket: " + 
socket);

}if (socket != null) { Thanks, Roger
On 11/22/19 2:54 AM, Hamlin Li wrote:

Hi Roger,

Thank you for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/18 11:48 PM, Roger Riggs wrote:

Hi Hamlin,

TCPConnection.java:212:

Keep the "close connection" logging and add the socket to the same 
log message:


If anyone is scraping the log, they won't loose this message. 
TCPTransport.tcpLog.log(Log.BRIEF, "close connection, socket: " + 
socket);


TCPTransport.java

277-278:  combine the message to be one logging call.
server socket
289: use Log.BRIEF, avoid creating mixture of and too many log 
levels.


Reword the log messages so they each begin with "server socket...",
or "server socket close"...
it makes it easier to grep for and coorelate related messages

Thanks, Roger


On 11/6/19 7:02 AM, Hamlin Li wrote:


On 2019/11/6 5:36 PM, Peter Levart wrote:

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server 
socket on " + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even 
better, rearrange for IOException to be thrown from that method 
and deal with it in two places:


- in exportObject() - add it as suppressed exception to 
exception thrown from super.exportObject().
- in targetUnexported() - log it or wrap it into 
UncheckedIOException (depending on what are the callers of 
targetUnexported())


What do you think?

Thanks Peter.

I agree. I adopt your first suggestion: add log statement to 
catch block, as I think it's simple/straight and sufficient to 
help diagnose.


And I also add log for catch blocks in other close places.

The change is updated in place at: 
http://cr.openjdk.java.net/~mli/8232446/webrev.00/



Thank you

-Hamlin



Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket 
closing, this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin











Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-27 Thread Roger Riggs

Looks good.

Thanks for the revisions,  Roger

On 11/26/19 8:51 PM, Hamlin Li wrote:


Hi Roger,

Thanks for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/27 2:47 AM, Roger Riggs wrote:

Hi Hamlin,

ok, but it looses the logging of the connection close when the socket 
is null.

I intended to suggest that the logging happened before/outside the test
for socket != null.

if (TCPTransport.tcpLog.isLoggable(Log.BRIEF)) {
TCPTransport.tcpLog.log(Log.BRIEF,"close connection, socket: " + socket);
}if (socket != null) { Thanks, Roger
On 11/22/19 2:54 AM, Hamlin Li wrote:

Hi Roger,

Thank you for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/18 11:48 PM, Roger Riggs wrote:

Hi Hamlin,

TCPConnection.java:212:

Keep the "close connection" logging and add the socket to the same 
log message:


If anyone is scraping the log, they won't loose this message. 
TCPTransport.tcpLog.log(Log.BRIEF, "close connection, socket: " + 
socket);


TCPTransport.java

277-278:  combine the message to be one logging call.
server socket
289: use Log.BRIEF, avoid creating mixture of and too many log levels.

Reword the log messages so they each begin with "server socket...",
or "server socket close"...
it makes it easier to grep for and coorelate related messages

Thanks, Roger


On 11/6/19 7:02 AM, Hamlin Li wrote:


On 2019/11/6 5:36 PM, Peter Levart wrote:

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server 
socket on " + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even 
better, rearrange for IOException to be thrown from that method 
and deal with it in two places:


- in exportObject() - add it as suppressed exception to exception 
thrown from super.exportObject().
- in targetUnexported() - log it or wrap it into 
UncheckedIOException (depending on what are the callers of 
targetUnexported())


What do you think?

Thanks Peter.

I agree. I adopt your first suggestion: add log statement to catch 
block, as I think it's simple/straight and sufficient to help 
diagnose.


And I also add log for catch blocks in other close places.

The change is updated in place at: 
http://cr.openjdk.java.net/~mli/8232446/webrev.00/



Thank you

-Hamlin



Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket 
closing, this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin











Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-26 Thread Hamlin Li

Hi Roger,

Thanks for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/27 2:47 AM, Roger Riggs wrote:

Hi Hamlin,

ok, but it looses the logging of the connection close when the socket 
is null.

I intended to suggest that the logging happened before/outside the test
for socket != null.

if (TCPTransport.tcpLog.isLoggable(Log.BRIEF)) {
TCPTransport.tcpLog.log(Log.BRIEF,"close connection, socket: " + socket);
}if (socket != null) { Thanks, Roger
On 11/22/19 2:54 AM, Hamlin Li wrote:

Hi Roger,

Thank you for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/18 11:48 PM, Roger Riggs wrote:

Hi Hamlin,

TCPConnection.java:212:

Keep the "close connection" logging and add the socket to the same 
log message:


If anyone is scraping the log, they won't loose this message. 
TCPTransport.tcpLog.log(Log.BRIEF, "close connection, socket: " + 
socket);


TCPTransport.java

277-278:  combine the message to be one logging call.
server socket
289: use Log.BRIEF, avoid creating mixture of and too many log levels.

Reword the log messages so they each begin with "server socket...",
or "server socket close"...
it makes it easier to grep for and coorelate related messages

Thanks, Roger


On 11/6/19 7:02 AM, Hamlin Li wrote:


On 2019/11/6 5:36 PM, Peter Levart wrote:

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server 
socket on " + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even 
better, rearrange for IOException to be thrown from that method 
and deal with it in two places:


- in exportObject() - add it as suppressed exception to exception 
thrown from super.exportObject().
- in targetUnexported() - log it or wrap it into 
UncheckedIOException (depending on what are the callers of 
targetUnexported())


What do you think?

Thanks Peter.

I agree. I adopt your first suggestion: add log statement to catch 
block, as I think it's simple/straight and sufficient to help 
diagnose.


And I also add log for catch blocks in other close places.

The change is updated in place at: 
http://cr.openjdk.java.net/~mli/8232446/webrev.00/



Thank you

-Hamlin



Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket 
closing, this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin









Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-26 Thread Roger Riggs

Hi Hamlin,

ok, but it looses the logging of the connection close when the socket is 
null.

I intended to suggest that the logging happened before/outside the test
for socket != null.

if (TCPTransport.tcpLog.isLoggable(Log.BRIEF)) {
TCPTransport.tcpLog.log(Log.BRIEF,"close connection, socket: " + socket);
}if (socket != null) { Thanks, Roger

On 11/22/19 2:54 AM, Hamlin Li wrote:

Hi Roger,

Thank you for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/18 11:48 PM, Roger Riggs wrote:

Hi Hamlin,

TCPConnection.java:212:

Keep the "close connection" logging and add the socket to the same 
log message:


If anyone is scraping the log, they won't loose this message. 
TCPTransport.tcpLog.log(Log.BRIEF, "close connection, socket: " + 
socket);


TCPTransport.java

277-278:  combine the message to be one logging call.
server socket
289: use Log.BRIEF, avoid creating mixture of and too many log levels.

Reword the log messages so they each begin with "server socket...",
or "server socket close"...
it makes it easier to grep for and coorelate related messages

Thanks, Roger


On 11/6/19 7:02 AM, Hamlin Li wrote:


On 2019/11/6 5:36 PM, Peter Levart wrote:

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server socket 
on " + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even 
better, rearrange for IOException to be thrown from that method and 
deal with it in two places:


- in exportObject() - add it as suppressed exception to exception 
thrown from super.exportObject().
- in targetUnexported() - log it or wrap it into 
UncheckedIOException (depending on what are the callers of 
targetUnexported())


What do you think?

Thanks Peter.

I agree. I adopt your first suggestion: add log statement to catch 
block, as I think it's simple/straight and sufficient to help diagnose.


And I also add log for catch blocks in other close places.

The change is updated in place at: 
http://cr.openjdk.java.net/~mli/8232446/webrev.00/



Thank you

-Hamlin



Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket 
closing, this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin









Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-21 Thread Hamlin Li

Hi Roger,

Thank you for reviewing, I have updated as you suggested: 
http://cr.openjdk.java.net/~mli/8232446/webrev.01/


Thank you

-Hamlin

On 2019/11/18 11:48 PM, Roger Riggs wrote:

Hi Hamlin,

TCPConnection.java:212:

Keep the "close connection" logging and add the socket to the same log 
message:


If anyone is scraping the log, they won't loose this message. 
TCPTransport.tcpLog.log(Log.BRIEF, "close connection, socket: " + 
socket);


TCPTransport.java

277-278:  combine the message to be one logging call.
server socket
289: use Log.BRIEF, avoid creating mixture of and too many log levels.

Reword the log messages so they each begin with "server socket...",
or "server socket close"...
it makes it easier to grep for and coorelate related messages

Thanks, Roger


On 11/6/19 7:02 AM, Hamlin Li wrote:


On 2019/11/6 5:36 PM, Peter Levart wrote:

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server socket 
on " + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even 
better, rearrange for IOException to be thrown from that method and 
deal with it in two places:


- in exportObject() - add it as suppressed exception to exception 
thrown from super.exportObject().
- in targetUnexported() - log it or wrap it into 
UncheckedIOException (depending on what are the callers of 
targetUnexported())


What do you think?

Thanks Peter.

I agree. I adopt your first suggestion: add log statement to catch 
block, as I think it's simple/straight and sufficient to help diagnose.


And I also add log for catch blocks in other close places.

The change is updated in place at: 
http://cr.openjdk.java.net/~mli/8232446/webrev.00/



Thank you

-Hamlin



Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket 
closing, this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin







Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-18 Thread Roger Riggs

Hi Hamlin,

TCPConnection.java:212:

Keep the "close connection" logging and add the socket to the same log 
message:


If anyone is scraping the log, they won't loose this message. 
TCPTransport.tcpLog.log(Log.BRIEF, "close connection, socket: " + socket);


TCPTransport.java

277-278:  combine the message to be one logging call.
server socket
289: use Log.BRIEF, avoid creating mixture of and too many log levels.

Reword the log messages so they each begin with "server socket...",
or "server socket close"...
it makes it easier to grep for and coorelate related messages

Thanks, Roger


On 11/6/19 7:02 AM, Hamlin Li wrote:


On 2019/11/6 5:36 PM, Peter Levart wrote:

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server socket 
on " + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even 
better, rearrange for IOException to be thrown from that method and 
deal with it in two places:


- in exportObject() - add it as suppressed exception to exception 
thrown from super.exportObject().
- in targetUnexported() - log it or wrap it into UncheckedIOException 
(depending on what are the callers of targetUnexported())


What do you think?

Thanks Peter.

I agree. I adopt your first suggestion: add log statement to catch 
block, as I think it's simple/straight and sufficient to help diagnose.


And I also add log for catch blocks in other close places.

The change is updated in place at: 
http://cr.openjdk.java.net/~mli/8232446/webrev.00/



Thank you

-Hamlin



Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket closing, 
this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin







Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-06 Thread Hamlin Li


On 2019/11/6 5:36 PM, Peter Levart wrote:

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server socket on 
" + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even 
better, rearrange for IOException to be thrown from that method and 
deal with it in two places:


- in exportObject() - add it as suppressed exception to exception 
thrown from super.exportObject().
- in targetUnexported() - log it or wrap it into UncheckedIOException 
(depending on what are the callers of targetUnexported())


What do you think?

Thanks Peter.

I agree. I adopt your first suggestion: add log statement to catch 
block, as I think it's simple/straight and sufficient to help diagnose.


And I also add log for catch blocks in other close places.

The change is updated in place at: 
http://cr.openjdk.java.net/~mli/8232446/webrev.00/



Thank you

-Hamlin



Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket closing, 
this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin





Re: RFR of JDK-8232446: logging enhancement for rmi when socket closed

2019-11-06 Thread Peter Levart

Hi Hamlin,

in TCPTransport.decrementExportCount():

 283 try {
 284 if (tcpLog.isLoggable(Log.BRIEF)) {
 285 tcpLog.log(Log.BRIEF, "close server socket on 
" + ss);

 286 }
 287 ss.close();
 288 } catch (IOException e) {
 289 }

...you could add a log statement to the catch block too. Or even better, 
rearrange for IOException to be thrown from that method and deal with it 
in two places:


- in exportObject() - add it as suppressed exception to exception thrown 
from super.exportObject().
- in targetUnexported() - log it or wrap it into UncheckedIOException 
(depending on what are the callers of targetUnexported())


What do you think?

Regards, Peter



On 11/6/19 3:07 AM, Hamlin Li wrote:

Would you please review the patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8232446

webrev: http://cr.openjdk.java.net/~mli/8232446/webrev.00/


We have some intermittent failures in rmi related to socket closing, 
this is to add more logging to help diagnose the issues.



Thanks you

-Hamlin