what makes a good bug report?
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What makes agood bug report?
Thomas ZimmermannSaarland University
Sascha JustSaarland University
Adrian SchröterSaarland University
Nicolas BettenburgSaarland University
Cathrin WeissSaarland University
Rahul PremrajSaarland University
1
What makes agood bug report?
Thomas ZimmermannUniversity of Calgary
Sascha JustSaarland University
Adrian SchröterUniversity of Victoria
Nicolas BettenburgQueen’s University
Cathrin WeissUniversity of Zurich
Rahul PremrajFree Uni. Amsterdam
What makes agood bug report?
Thomas ZimmermannMicrosoft Research
Sascha JustSaarland University
Adrian SchröterUniversity of Victoria
Nicolas BettenburgQueen’s University
Cathrin WeissUniversity of Zurich
Rahul PremrajFree Uni. Amsterdam
Bug 31021
Summary: Tree - Selection listener stops default expansion
Product: [Eclipse] Platform Reporter: Veronika Irvine <veronika_irvine@ca.ibm.com>
Component: SWT Assignee: Steve Northover <steve_northover@ca.ibm.com>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal
Priority: P3
Version: 2.1
Target Milestone: ---
Hardware: PC
OS: Windows XP
Whiteboard:
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
------- Comment #1 From Steve Northover 2004-10-07 19:39:16 -0400 -------
This behavior can't be changed now because application code now relies on it.
Sorry.
4
Bug 31021
Summary: Tree - Selection listener stops default expansion
Product: [Eclipse] Platform Reporter: Veronika Irvine <veronika_irvine@ca.ibm.com>
Component: SWT Assignee: Steve Northover <steve_northover@ca.ibm.com>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal
Priority: P3
Version: 2.1
Target Milestone: ---
Hardware: PC
OS: Windows XP
Whiteboard:
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
------- Comment #1 From Steve Northover 2004-10-07 19:39:16 -0400 -------
This behavior can't be changed now because application code now relies on it.
Sorry.
CONTACT LEGAL
Bugzilla – Full Text Bug Listing
Home | New | Search | Find | Reports | Requests | New Account | Log In | Terms of Use
Bug 31021
Summary: Tree - Selection listener stops default expansion
Product: [Eclipse] Platform Reporter: Veronika Irvine <veronika_irvine@ca.ibm.com>
Component: SWT Assignee: Steve Northover <steve_northover@ca.ibm.com>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal
Priority: P3
Version: 2.1
Target Milestone: ---
Hardware: PC
OS: Windows XP
Whiteboard:
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
------- Comment #1 From Steve Northover 2004-10-07 19:39:16 -0400 -------
This behavior can't be changed now because application code now relies on it.
Sorry.
Actions:Home | New | Search | Find | Reports | Requests | New Account | Log In | Terms of Use
4
Bug 31021
Summary: Tree - Selection listener stops default expansion
Product: [Eclipse] Platform Reporter: Veronika Irvine <veronika_irvine@ca.ibm.com>
Component: SWT Assignee: Steve Northover <steve_northover@ca.ibm.com>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal
Priority: P3
Version: 2.1
Target Milestone: ---
Hardware: PC
OS: Windows XP
Whiteboard:
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
------- Comment #1 From Steve Northover 2004-10-07 19:39:16 -0400 -------
This behavior can't be changed now because application code now relies on it.
Sorry.
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
CONTACT LEGAL
Bugzilla – Full Text Bug Listing
Home | New | Search | Find | Reports | Requests | New Account | Log In | Terms of Use
Bug 31021
Summary: Tree - Selection listener stops default expansion
Product: [Eclipse] Platform Reporter: Veronika Irvine <veronika_irvine@ca.ibm.com>
Component: SWT Assignee: Steve Northover <steve_northover@ca.ibm.com>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal
Priority: P3
Version: 2.1
Target Milestone: ---
Hardware: PC
OS: Windows XP
Whiteboard:
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
------- Comment #1 From Steve Northover 2004-10-07 19:39:16 -0400 -------
This behavior can't be changed now because application code now relies on it.
Sorry.
Actions:Home | New | Search | Find | Reports | Requests | New Account | Log In | Terms of Use
4
Description: Opened: 2007-02-22 23:35 -0400
I wand to create a new plugin in Eclipse using CDT. Shall it possible. I had
made a R&D in eclipse documentation. I had get an idea about create a plugin
using Java. But i wand to create a new plugin ( user defined plugin ) using
CDT. After that I wand to impliment it in my programe. If it possible?. Any
one can help me please...
Bug 175222
Summary: Create a new plugin using CDT.
Product: [Tools] CDT Reporter: Sabeesh C.S. <sabeesh.cs@ditro.com>
Component: cdt-build Assignee: cdt-build-inbox@eclipse.org <cdt-build-
inbox@eclipse.org>
Status: RESOLVED
INVALID
QA Contact:
Severity: normal
Priority: P3 CC: norbert.ploett@siemens.com
Version: 3.1.1
Target Milestone: ---
Hardware: PC
OS: Linux
Whiteboard:
Description: Opened: 2007-02-22 23:35 -0400
I wand to create a new plugin in Eclipse using CDT. Shall it possible. I had
made a R&D in eclipse documentation. I had get an idea about create a plugin
using Java. But i wand to create a new plugin ( user defined plugin ) using
CDT. After that I wand to impliment it in my programe. If it possible?. Any
one can help me please...
------- Comment #1 From Norbert Plött 2007-02-23 01:55:42 -0400 -------
Saabeesh,
the way I understand it you want to create a plug-in and do the code
implementation in C/C++ using the CDT. Eclipse supports only Java
implementations. In theory you could probably call into your C/C++ library via
the Java native interface but this is probably not what you want to do.
In any case you would need to create at least a Java wrapper around your
implementation.
Do I read you right?
------- Comment #2 From Chris Recoskie 2007-02-23 08:14:04 -0400 -------
I don't see a bug or enhancement described here... this question belongs on the
newsgroup.
CONTACT LEGAL
Bugzilla – Full Text Bug Listing
Home | New | Search | Find | Reports | Requests | New Account | Log In | Terms of Use
Bug 175222
Summary: Create a new plugin using CDT.
Product: [Tools] CDT Reporter: Sabeesh C.S. <sabeesh.cs@ditro.com>
Component: cdt-build Assignee: cdt-build-inbox@eclipse.org <cdt-build-
inbox@eclipse.org>
Status: RESOLVED
INVALID
QA Contact:
Severity: normal
Priority: P3 CC: norbert.ploett@siemens.com
Version: 3.1.1
Target Milestone: ---
Hardware: PC
OS: Linux
Whiteboard:
Description: Opened: 2007-02-22 23:35 -0400
I wand to create a new plugin in Eclipse using CDT. Shall it possible. I had
made a R&D in eclipse documentation. I had get an idea about create a plugin
using Java. But i wand to create a new plugin ( user defined plugin ) using
CDT. After that I wand to impliment it in my programe. If it possible?. Any
one can help me please...
------- Comment #1 From Norbert Plött 2007-02-23 01:55:42 -0400 -------
Saabeesh,
the way I understand it you want to create a plug-in and do the code
implementation in C/C++ using the CDT. Eclipse supports only Java
implementations. In theory you could probably call into your C/C++ library via
the Java native interface but this is probably not what you want to do.
In any case you would need to create at least a Java wrapper around your
implementation.
Do I read you right?
------- Comment #2 From Chris Recoskie 2007-02-23 08:14:04 -0400 -------
I don't see a bug or enhancement described here... this question belongs on the
newsgroup.
Actions:Home | New | Search | Find | Reports | Requests | New Account | Log In | Terms of Use
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Information needs
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Question 1Question 3Which of the following items have you previously used when fixing bugs?(select as many as you wish)
Which three items helped you the most?(select at most three items)
Question 4
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productcomponentversionseverity
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Same options as for developers
Question 1What information have you previously provided in bug reports?(select as many as you wish)
Questions to reporters
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I wand to create a new plugin in Eclipse using CDT. Shall it possible. I had made a R&D in eclipse documentation. I had get an idea about create a plugin using Java. But i wand to create a new plugin ( user defined plugin ) using CDT. After that I wand to impliment it in my programe. If it possible?. Any one can help me please...
Create a new plugin using CDT.
Rating bug reports
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I wand to create a new plugin in Eclipse using CDT. Shall it possible. I had made a R&D in eclipse documentation. I had get an idea about create a plugin using Java. But i wand to create a new plugin ( user defined plugin ) using CDT. After that I wand to impliment it in my programe. If it possible?. Any one can help me please...
Create a new plugin using CDT.
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I wand to create a new plugin in Eclipse using CDT. Shall it possible. I had made a R&D in eclipse documentation. I had get an idea about create a plugin using Java. But i wand to create a new plugin ( user defined plugin ) using CDT. After that I wand to impliment it in my programe. If it possible?. Any one can help me please...
Create a new plugin using CDT.
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Rating bug reportsTotal votes received: 1,186Total reports voted: 289
21
Bug 31021
Summary: Tree - Selection listener stops default expansion
Product: [Eclipse] Platform Reporter: Veronika Irvine <veronika_irvine@ca.ibm.com>
Component: SWT Assignee: Steve Northover <steve_northover@ca.ibm.com>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal
Priority: P3
Version: 2.1
Target Milestone: ---
Hardware: PC
OS: Windows XP
Whiteboard:
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
------- Comment #1 From Steve Northover 2004-10-07 19:39:16 -0400 -------
This behavior can't be changed now because application code now relies on it.
Sorry.
CUEZILLA
22
Bug 31021
Summary: Tree - Selection listener stops default expansion
Product: [Eclipse] Platform Reporter: Veronika Irvine <veronika_irvine@ca.ibm.com>
Component: SWT Assignee: Steve Northover <steve_northover@ca.ibm.com>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal
Priority: P3
Version: 2.1
Target Milestone: ---
Hardware: PC
OS: Windows XP
Whiteboard:
Description: Opened: 2003-02-05 14:52 -0400
I20030205
Run the following example. Double click on a tree item and notice that it does
not expand.
Comment out the Selection listener and now double click on any tree item and
notice that it expands.
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("item " + i);
for (int j = 0; j < 4; j++) {
TreeItem subItem = new TreeItem(item, SWT.NONE);
subItem.setText("item " + j);
for (int k = 0; k < 4; k++) {
TreeItem subsubItem = new TreeItem(subItem,
SWT.NONE);
subsubItem.setText("item " + k);
}
}
}
tree.addSelectionListener(new SelectionAdapter() {});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
------- Comment #1 From Steve Northover 2004-10-07 19:39:16 -0400 -------
This behavior can't be changed now because application code now relies on it.
Sorry.
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48% agreement91% off by one
25
Make recommendations
CUEZILLA
+ Stack trace
26
Make recommendations
CUEZILLA
+ Stack trace
26
Incentives to reporters
27
• Bug reports containing stack traces get fixed sooner.
• Bug reports that are easier to read have lower lifetimes.
• Code samples in your bug report increase chances of it getting fixed.
Incentives to reporters
28
Duplicates
Duplicates often add useful information. That this information is filed under a new report is not ideal.
Apache Developer
“”
29
Future of bug tracking
30
lies in thinkingoutside the box!
SummaryProvided by
most reporters
Rated most helpful
by developers
Rated helpful
by most reporters
steps to reproduce
stack traces
test cases
observed behaviour
screenshots
code examples
summary
version
steps to reproduce
test cases
observed behaviour
stack traces
expected behaviour
version
code examples
error reports
expected behaviour
error reports
build information
summary
steps to reproduce
product
observed behaviour
expected behaviour
version
operating system
component
summary
severity
build information
Assist reporters
Responses
Help
ed
most
Used when fixing a bug
hardware severity
version
expected behavior
test cases/examples
observed behavior
screenshots
steps to reproduce
stack traces
14
31
Future of bug tracking
29
lies in thinking
outside the box!
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