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Bug 248363 - NPE in SamplesOutputStream
Summary: NPE in SamplesOutputStream
Status: RESOLVED INCOMPLETE
Alias: None
Product: ide
Classification: Unclassified
Component: Slowness Detector (show other bugs)
Version: 8.0.1
Hardware: PC Windows 7
: P3 normal (vote)
Assignee: Tomas Hurka
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-11-03 12:17 UTC by cezariusz
Modified: 2015-04-21 13:22 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:

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Description cezariusz 2014-11-03 12:17:47 UTC 
Product Version: 201408251540
Java: 1.8.0_25; Java HotSpot(TM) 64-Bit Server VM 25.25-b02
Runtime: Java(TM) SE Runtime Environment 1.8.0_25-b18
System: Windows 7 version 6.1 running on amd64; Cp1250; pl_PL

WARNING [org.netbeans.core.TimableEventQueue]: too much time in AWT thread org.netbeans.modules.sampler.InternalSampler@4abaf66
SEVERE [org.openide.util.Exceptions]
java.lang.NullPointerException
	at java.lang.String.length(String.java:611)
	at java.io.ObjectOutputStream$BlockDataOutputStream.getUTFLength(ObjectOutputStream.java:2136)
	at java.io.ObjectOutputStream.writeString(ObjectOutputStream.java:1303)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1172)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at java.util.TreeMap.writeObject(TreeMap.java:2434)
	at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at org.netbeans.modules.sampler.SamplesOutputStream$Sample.writeToStream(SamplesOutputStream.java:308)
	at org.netbeans.modules.sampler.SamplesOutputStream$Sample.access$300(SamplesOutputStream.java:276)
	at org.netbeans.modules.sampler.SamplesOutputStream.close(SamplesOutputStream.java:225)
	at org.netbeans.modules.sampler.Sampler.stopSampling(Sampler.java:254)
	at org.netbeans.modules.sampler.Sampler.stopAndWriteTo(Sampler.java:220)
[catch] at org.netbeans.core.TimableEventQueue$1R.run(TimableEventQueue.java:246)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
WARNING [org.netbeans.modules.progress.spi.InternalHandle]: Cannot switch to silent mode when not running at org.netbeans.core.ui.warmup.MenuWarmUpTask$NbWindowsAdapter$1HandleBridge.run(MenuWarmUpTask.java:269)
Comment 1 Jaroslav Tulach 2014-11-11 08:17:03 UTC 
More for Tomáš to look at that.
Comment 2 Tomas Hurka 2015-04-21 13:22:34 UTC 
To investigate this issue we need more info. Please attach at least whole messages.log file when it happens again. Thanks.