Unleash Your Potential - Namagunga Girls Coding Club
Do Stack Traces Help Developers Fix Bugs?
1. at java.io.DataInputStream.readUnsignedShor
at java.io.DataInputStream.readUTF(Unknown
at java.io.DataInputStream.readUTF(Unknown
at org.eclipse.core.internal.dtree.DataTree
at org.eclipse.core.internal.dtree.DataTree
at org.eclipse.core.internal.watson.Element
Do Stack Traces Help
at
at
at
at
at
at
org.eclipse.core.internal.watson.Element
org.eclipse.core.internal.watson.Element
org.eclipse.core.internal.watson.Element
org.eclipse.core.internal.resources.Work
org.eclipse.core.internal.resources.Work
org.eclipse.core.internal.resources.Save
Developers Fix Bugs?
at org.eclipse.core.internal.resources.Save
at org.eclipse.core.internal.resources.Save
at org.eclipse.core.internal.resources.Work
at org.eclipse.core.internal.resources.Work
at org.eclipse.core.resources.ResourcesPlug
at org.eclipse.core.internal.plugins.Plugin
at org.eclipse.core.internal.runtime.Intern
at org.eclipse.core.internal.plugins.Plugin
at org.eclipse.core.internal.plugins.Plugin
at org.eclipse.core.internal.plugins.Plugin
Adrian Schröter
at
at
org.eclipse.core.internal.plugins.Plugin
org.eclipse.core.internal.boot.Delegatin
University of Victoria
at
at
org.eclipse.core.internal.boot.Delegatin
org.eclipse.core.internal.boot.Delegatin
at org.eclipse.core.internal.boot.Delegatin
at org.eclipse.core.internal.boot.Delegatin
at org.eclipse.core.internal.boot.Delegatin
at java.lang.ClassLoader.loadClass (Unknown
Nicolas Bettenburg
at java.lang.ClassLoader.loadClassInternal
at java.lang.Class.newInstance0 (Native Met
Queens University
at java.lang.Class.newInstance (Unknown Sou
at org.eclipse.core.internal.plugins.Plugin
at org.eclipse.core.internal.plugins.Plugin
at org.eclipse.core.internal.plugins.Config
at org.eclipse.core.internal.runtime.Intern
Rahul Premraj
at java.lang.reflect.Method.invoke(Native M
at org.eclipse.core.internal.boot.InternalB
VU University Amsterdam
at org.eclipse.core.internal.boot.InternalB
at org.eclipse.core.boot.BootLoader.run (Bo
at java.lang.reflect.Method.invoke (Native
2. java.io.EOFException
at java.io.DataInputStream.readUnsignedShort(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at org.eclipse.core.internal.dtree.DataTreeReader.readNode (DataTreeReader.java:57)
at org.eclipse.core.internal.dtree.DataTreeReader.readTree (DataTreeReader.java:126)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDelta (ElementTreeReaderImpl_1.java:44)
at org.eclipse.core.internal.watson.ElementTreeReader.readDelta (ElementTreeReader.java:92)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDeltaChain (ElementTreeReaderImpl_1.java:89)
at org.eclipse.core.internal.watson.ElementTreeReader.readDeltaChain (ElementTreeReader.java:102)
at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTrees (WorkspaceTreeReader.java:107)
at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTree (WorkspaceTreeReader.java:44)
at org.eclipse.core.internal.resources.SaveManager.restoreTree (SaveManager.java:704)
at org.eclipse.core.internal.resources.SaveManager.restore (SaveManager.java:453)
at org.eclipse.core.internal.resources.SaveManager.startup (SaveManager.java:937)
at org.eclipse.core.internal.resources.Workspace.startup (Workspace.java:1487)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:58)
at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:136)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:750)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:744)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:70)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:429)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:758)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass (Unknown Source)
at java.lang.ClassLoader.loadClassInternal (Unknown Source)
at java.lang.Class.newInstance0 (Native Method)
at java.lang.Class.newInstance (Unknown Source)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:134)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:163)
at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102)
at org.eclipse.core.internal.runtime.InternalPlatform.loaderGetRunnable (InternalPlatform.java:449)
at java.lang.reflect.Method.invoke(Native Method)
at org.eclipse.core.internal.boot.InternalBootLoader.getRunnable (InternalBootLoader.java:436)
at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:735)
at org.eclipse.core.boot.BootLoader.run (BootLoader.java:462)
at java.lang.reflect.Method.invoke (Native Method)
at org.eclipse.core.launcher.Main.basicRun (Main.java:200)
at org.eclipse.core.launcher.Main.run (Main.java:643)
at org.eclipse.core.launcher.Main.main (Main.java:476)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:58)
at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:136)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:750)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:744)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:70)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:429)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:758)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass (Unknown Source)
at java.lang.ClassLoader.loadClassInternal (Unknown Source)
at java.lang.Class.newInstance0 (Native Method)
A stack trace
at java.lang.Class.newInstance (Unknown Source)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:134)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:163)
at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102)
at org.eclipse.core.internal.runtime.InternalPlatform.loaderGetRunnable (InternalPlatform.java:449)
at java.lang.reflect.Method.invoke(Native Method)
at org.eclipse.core.internal.boot.InternalBootLoader.getRunnable (InternalBootLoader.java:436)
at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:735)
at org.eclipse.core.boot.BootLoader.run (BootLoader.java:462)
at java.lang.reflect.Method.invoke (Native Method)
at org.eclipse.core.launcher.Main.basicRun (Main.java:200)
from an
at org.eclipse.core.launcher.Main.run (Main.java:643)
at org.eclipse.core.launcher.Main.main (Main.java:476)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:58)
at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:136)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:750)
Eclipse bug
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:744)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:70)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:429)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:758)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass (Unknown Source)
at java.lang.ClassLoader.loadClassInternal (Unknown Source)
at java.lang.Class.newInstance0 (Native Method)
at java.lang.Class.newInstance (Unknown Source)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:134)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:163)
report
at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102)
at org.eclipse.core.internal.runtime.InternalPlatform.loaderGetRunnable (InternalPlatform.java:449)
at java.lang.reflect.Method.invoke(Native Method)
at org.eclipse.core.internal.boot.InternalBootLoader.getRunnable (InternalBootLoader.java:436)
at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:735)
at org.eclipse.core.boot.BootLoader.run (BootLoader.java:462)
at java.lang.reflect.Method.invoke (Native Method)
at org.eclipse.core.launcher.Main.basicRun (Main.java:200)
at org.eclipse.core.launcher.Main.run (Main.java:643)
at org.eclipse.core.launcher.Main.main (Main.java:476)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:58)
at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:136)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:750)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:744)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:70)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:429)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:758)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass (Unknown Source)
at java.lang.ClassLoader.loadClassInternal (Unknown Source)
at java.lang.Class.newInstance0 (Native Method)
at java.lang.Class.newInstance (Unknown Source)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:134)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:163)
at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102)
at org.eclipse.core.internal.runtime.InternalPlatform.loaderGetRunnable (InternalPlatform.java:449)
at java.lang.reflect.Method.invoke(Native Method)
at org.eclipse.core.internal.boot.InternalBootLoader.getRunnable (InternalBootLoader.java:436)
at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:735)
at org.eclipse.core.boot.BootLoader.run (BootLoader.java:462)
at java.lang.reflect.Method.invoke (Native Method)
at org.eclipse.core.launcher.Main.basicRun (Main.java:200)
at org.eclipse.core.launcher.Main.run (Main.java:643)
at org.eclipse.core.launcher.Main.main (Main.java:476)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:58)
at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:136)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:750)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:744)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:70)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:429)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:758)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass (Unknown Source)
at java.lang.ClassLoader.loadClassInternal (Unknown Source)
at java.lang.Class.newInstance0 (Native Method)
at java.lang.Class.newInstance (Unknown Source)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:134)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:163)
at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102)
at org.eclipse.core.internal.runtime.InternalPlatform.loaderGetRunnable (InternalPlatform.java:449)
at java.lang.reflect.Method.invoke(Native Method)
at org.eclipse.core.internal.boot.InternalBootLoader.getRunnable (InternalBootLoader.java:436)
at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:735)
at org.eclipse.core.boot.BootLoader.run (BootLoader.java:462)
at java.lang.reflect.Method.invoke (Native Method)
at org.eclipse.core.launcher.Main.basicRun (Main.java:200)
at org.eclipse.core.launcher.Main.run (Main.java:643)
at org.eclipse.core.launcher.Main.main (Main.java:476)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
3. java.io.EOFException
at java.io.DataInputStream.readUnsignedShort(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at org.eclipse.core.internal.dtree.DataTreeReader.readNode
(DataTreeReader.java:57)
at org.eclipse.core.internal.dtree.DataTreeReader.readTree
(DataTreeReader.java:126)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDelta
(ElementTreeReaderImpl_1.java:44)
at org.eclipse.core.internal.watson.ElementTreeReader.readDelta
(ElementTreeReader.java:92)
4. java.io.EOFException
at java.io.DataInputStream.readUnsignedShort(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
Is there empirical evidence
at java.io.DataInputStream.readUTF(Unknown Source)
at org.eclipse.core.internal.dtree.DataTreeReader.readNode
(DataTreeReader.java:57)
showing their helpfulness?
at org.eclipse.core.internal.dtree.DataTreeReader.readTree
(DataTreeReader.java:126)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDelta
(ElementTreeReaderImpl_1.java:44)
at org.eclipse.core.internal.watson.ElementTreeReader.readDelta
(ElementTreeReader.java:92)
5. Overview
1 2
Are Bugs Fixed Which Part of the
in Methods in Stack Trace is
Stack Traces? Most Helpful?
3 4
Are multiple
Do Stack Traces
Stack Trace better
Help Fix Bugs Faster?
than one?
6. Are Bugs Fixed in Methods
in Stack Traces?
java.io.EOFException
at java.io.DataInputStream.readUnsignedShort(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at org.eclipse.core.internal.dtree.DataTreeReader.readNode (DataTreeReader.java:57)
at org.eclipse.core.internal.dtree.DataTreeReader.readTree (DataTreeReader.java:126)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDelta (ElementTreeReaderImpl_1.java:44)
at org.eclipse.core.internal.watson.ElementTreeReader.readDelta (ElementTreeReader.java:92)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDeltaChain (ElementTreeReaderImpl_1.java:89)
at org.eclipse.core.internal.watson.ElementTreeReader.readDeltaChain (ElementTreeReader.java:102)
at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTrees (WorkspaceTreeReader.java:107)
at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTree (WorkspaceTreeReader.java:44)
at org.eclipse.core.internal.resources.SaveManager.restoreTree (SaveManager.java:704)
at org.eclipse.core.internal.resources.SaveManager.restore (SaveManager.java:453)
at org.eclipse.core.internal.resources.SaveManager.startup (SaveManager.java:937)
at org.eclipse.core.internal.resources.Workspace.startup (Workspace.java:1487)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:58)
at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:136)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:750)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:744)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:70)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:429)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:758)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass (Unknown Source)
at java.lang.ClassLoader.loadClassInternal (Unknown Source)
at java.lang.Class.newInstance0 (Native Method)
at java.lang.Class.newInstance (Unknown Source)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:134)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:163)
at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102)
7. Are Bugs Fixed in MEthods in
Stack Traces?
Linking Fixes
to Changes
Bugzilla DB CVS
8. Do Stack Traces Help Developers
Fix Bugs?
#bugs fixed
with traces 8580
#linked 3940
#with
fix frame 2321
0 2,250 4,500 6,750 9,000
9. Which Part of the Stack Trace is
Most Helpful?
java.io.EOFException
at java.io.DataInputStream.readUnsignedShort(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at org.eclipse.core.internal.dtree.DataTreeReader.readNode (DataTreeReader.java:57)
at org.eclipse.core.internal.dtree.DataTreeReader.readTree (DataTreeReader.java:126)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDelta (ElementTreeReaderImpl_1.java:44)
at org.eclipse.core.internal.watson.ElementTreeReader.readDelta (ElementTreeReader.java:92)
at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDeltaChain (ElementTreeReaderImpl_1.java:89)
at org.eclipse.core.internal.watson.ElementTreeReader.readDeltaChain (ElementTreeReader.java:102)
at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTrees (WorkspaceTreeReader.java:107)
at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTree (WorkspaceTreeReader.java:44)
at org.eclipse.core.internal.resources.SaveManager.restoreTree (SaveManager.java:704)
at org.eclipse.core.internal.resources.SaveManager.restore (SaveManager.java:453)
at org.eclipse.core.internal.resources.SaveManager.startup (SaveManager.java:937)
at org.eclipse.core.internal.resources.Workspace.startup (Workspace.java:1487)
at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1279)
at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:201)
at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:690)
at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:802)
at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:702)
at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:182)
at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:58)
at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:136)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:750)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:744)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:70)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:429)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:758)
at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass (Unknown Source)
at java.lang.ClassLoader.loadClassInternal (Unknown Source)
at java.lang.Class.newInstance0 (Native Method)
at java.lang.Class.newInstance (Unknown Source)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:134)
at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:163)
at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102)
10. Which Part of the Stack Trace is
Most Helpful?
#with
fix frame 2321
top-1 40%
top-6 60%
top-10 90%
0 750 1,500 2,250 3,000
11. Are multiple Stack Trace
better than one?
Fixed Bugs Open Bugs
5531
Single Stack Trace
3210
3049
Multiple Stack Traces
1157
0 1,500 3,000 4,500 6,000
12. Are multiple Stack Trace
better than one?
Fixed Bugs Open Bugs
5531
Single Stack Trace
63% vs. 72% fix rate 3210
3049
Multiple Stack Traces
1157
0 1,500 3,000 4,500 6,000
13. Do Stack Traces Help Fix Bugs
Faster?
with Fix Frame without Fix Frame
Median Life Time
Average Life Time
0 10 20 30 40
14. It Pays to Go the Extra Mile!
• Higher chance of getting your bugs fixed
15. It Pays to Go the Extra Mile!
• Higher chance of getting your bugs fixed
• Your bug gets fixed sooner
16. It Pays to Go the Extra Mile!
• Higher chance of getting your bugs fixed
• Your bug gets fixed sooner
• Developers know where to fix your bug