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Bug 206148

Summary:	NullPointerException at java.io.DataOutputStream.writeUTF
Product:	profiler	Reporter:	akochnev <akochnev>
Component:	Engine	Assignee:	Tomas Hurka <thurka>
Status:	RESOLVED FIXED
Severity:	normal	Keywords:	VISUALVM
Priority:	P3
Version:	7.2
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	183579
Attachments:	stacktrace

Description akochnev 2011-12-08 15:39:51 UTC

Build: NetBeans IDE Dev (Build 20111129-f4725a93d776)
VM: Java HotSpot(TM) 64-Bit Server VM, 20.1-b02, Java(TM) SE Runtime Environment, 1.6.0_26-b03
OS: Linux

User Comments:
akochnev: Trying to save a profiler snapshot




Stacktrace: 
java.lang.NullPointerException
   at java.io.DataOutputStream.writeUTF(DataOutputStream.java:330)
   at java.io.DataOutputStream.writeUTF(DataOutputStream.java:306)
   at org.netbeans.lib.profiler.results.cpu.CPUCCTContainer.writeToStream(CPUCCTContainer.java:343)
   at org.netbeans.lib.profiler.results.cpu.CPUResultsSnapshot.writeToStream(CPUResultsSnapshot.java:398)
   at org.netbeans.modules.profiler.LoadedSnapshot.save(LoadedSnapshot.java:307)
   at org.netbeans.modules.profiler.ResultsManager.saveSnapshot(ResultsManager.java:806)

Comment 1 akochnev 2011-12-08 15:39:53 UTC

Created attachment 113964 [details]
stacktrace

Comment 2 Tomas Hurka 2012-03-22 19:13:01 UTC

Hopefully fixed in profiler-main.

changeset:   215546:7fc36326dbca
user:        Tomas Hurka <thurka@netbeans.org>
date:        Thu Mar 22 20:11:36 2012 +0100
summary:     bugfix #206148, do not write sample to event buffer if there is pending request to reset collectors; do not call writeThreadInfo() if there is no change in the stacktrace