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https://issues.apache.org/jira/browse/NETBEANS-1428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17027306#comment-17027306
 ] 

Peter Hull commented on NETBEANS-1428:
--------------------------------------

It's been quite a while since this was first noted so I have gone back over the 
old information.
 # The crash is caused by some incorrect casts in the C code on Windows (32bit 
vs 64bit issues were not considered) and this is fixed by the changes mentioned 
in the comment above
 # However, even after bug-fixing, the way it works is based on an assumption 
about the JVM which is not correct and therefore the solution is fragile and 
could break. See discussion on [OpenJDK 
discuss|http://mail.openjdk.java.net/pipermail/discuss/2018-November/004916.html]
 # I had some working code which I believed would fix it 'properly', but I got 
stuck on understanding how the Netbeans infrastructure builds and deploys the 
native code across all supported platforms.

So might be worth re-opening a discussion on NB dev list to decide a plan of 
action on how to build and test this?

 

> Fatal error when profiling
> --------------------------
>
>                 Key: NETBEANS-1428
>                 URL: https://issues.apache.org/jira/browse/NETBEANS-1428
>             Project: NetBeans
>          Issue Type: Bug
>          Components: profiler - Base
>    Affects Versions: 9.0, 10.0, 11.0
>         Environment: Windows 10, JDK11 (OpenJDK 11.0+28)
>            Reporter: Peter Hull
>            Priority: Major
>              Labels: netcat
>         Attachments: hs_err_pid38528.log
>
>
> Attempting to profile a Java freeform project (Netcat 10, Profiling FreeForm, 
> Step 2)
> I get the following error
> {{#}}
> {{# A fatal error has been detected by the Java Runtime Environment:}}
> {{#}}
> {{#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ff8e831c775, 
> pid=38528, tid=38596}}
> {{#}}
> {{# JRE version: OpenJDK Runtime Environment (11.0+28) (build 11+28)}}
> {{# Java VM: OpenJDK 64-Bit Server VM (11+28, mixed mode, tiered, compressed 
> oops, g1 gc, windows-amd64)}}
> {{# Problematic frame:}}
> {{# V  [jvm.dll+0x5ec775]}}
> {{#}}
> {{# No core dump will be written. Minidumps are not enabled by default on 
> client versions of Windows}}
> {{#}}
> {{# An error report file with more information is saved as:}}
> {{# D:\Libraries\Downloads\TS_Profiler_freeform\freeform\hs_err_pid38528.log}}
> {{#}}
> {{# If you would like to submit a bug report, please visit:}}
> {{#   http://bugreport.java.com/bugreport/crash.jsp}}
> {{#}}
> Seems reproducible, I have attached the crash log.



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