Please use the Apache issue tracking system for new NetBeans issues ( !!
Bug 234383 - NullPointerException at org.netbeans.modules.profiler.actions.CompareSnapshotsAction$SelectExternalSnapshotsPanel$4.doInBackground
NullPointerException at org.netbeans.modules.profiler.actions.CompareSnapshot...
Product: profiler
Classification: Unclassified
Component: Base
All All
: P3 (vote)
: 7.4
Assigned To: Jiri Sedlacek
Depends on:
  Show dependency treegraph
Reported: 2013-08-14 12:25 UTC by Ondrej Brejla
Modified: 2013-08-15 10:33 UTC (History)
0 users

See Also:
Issue Type: DEFECT

stacktrace (411 bytes, text/plain)
2013-08-14 12:25 UTC, Ondrej Brejla
Frist snapshot (40.64 KB, application/octet-stream)
2013-08-14 13:32 UTC, Ondrej Brejla
Second snapshot (59.94 KB, application/octet-stream)
2013-08-14 13:32 UTC, Ondrej Brejla

Note You need to log in before you can comment on or make changes to this bug.
Description Ondrej Brejla 2013-08-14 12:25:19 UTC
Build: NetBeans IDE Dev (Build 20130814-db38a80543e8)
VM: Java HotSpot(TM) Client VM, 23.25-b01, Java(TM) SE Runtime Environment, 1.7.0_25-b15
OS: Linux

User Comments:
obrejla: Comparing 2 snapshots (.npss).

GUEST: Trying to compare to npss snashots.

   at org.netbeans.modules.profiler.actions.CompareSnapshotsAction$SelectExternalSnapshotsPanel$4.doInBackground(
   at org.netbeans.lib.profiler.ui.SwingWorker$
   at org.openide.util.RequestProcessor$
   at org.openide.util.RequestProcessor$
Comment 1 Ondrej Brejla 2013-08-14 12:25:21 UTC
Created attachment 138683 [details]
Comment 2 Jiri Sedlacek 2013-08-14 13:31:10 UTC
Can you please attach the two snapshots you're comparing? Thanks!
Comment 3 Ondrej Brejla 2013-08-14 13:32:33 UTC
Created attachment 138689 [details]
Frist snapshot
Comment 4 Ondrej Brejla 2013-08-14 13:32:48 UTC
Created attachment 138690 [details]
Second snapshot
Comment 5 Jiri Sedlacek 2013-08-14 13:40:09 UTC
Reproduced, thanks! The main problem is that .npss files are not meant to be compared. You should save them as .nps snapshots for the comparison.
Comment 6 Ondrej Brejla 2013-08-14 13:45:36 UTC
Yes I thought that ;) But in 7.3.1 if one slected two npss files, the OK button was disabled. In 7.4 dev it's enabled. Maybe it will help. And some more yellow warning perhaps ;)
Comment 7 Jiri Sedlacek 2013-08-14 14:03:20 UTC
Only .nps snapshots can be compared, removed the All Files filter.

Fixed by
Comment 8 Jiri Sedlacek 2013-08-15 10:33:32 UTC
The NPE can still be thrown for invalid .nps snapshots (or files renamed to .nps). Cornercases fixed by

By use of this website, you agree to the NetBeans Policies and Terms of Use. © 2014, Oracle Corporation and/or its affiliates. Sponsored by Oracle logo