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| <title>Heap Walker Dialog</title> |
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| <p><a id="HeapWalker.HelpCtx" name="HeapWalker.HelpCtx"></a></p> |
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| <h1>Heap Walker Dialog</h1> |
| <a name="BEGIN" id="BEGIN"></a> |
| <p>Use to view an analysis of a heap dump. The dialog displays detailed information about the heap when the heap dump was saved. |
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| <p>The dialog contains the following tabs for browsing information contained in the heap dump. Each tab contains additional buttons located on the right side of the dialog. These buttons enable you to modify information in the dialog.</p> |
| |
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| <th align="left" valign="bottom" id="r1c1-t45">Tab</th> |
| <th align="left" valign="bottom" id="r1c2-t45">Description</th> |
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| <td align="left" id="r2c1-t45" headers="r1c1-t45">Summary</td> |
| <td align="left" headers="r2c1-t45 r1c2-t45">Displays general information about the heap dump such as total numbers of classes and instances. The tab also provides information about the environment and system properties of the machine where the heap dump was taken. |
| <p>Click the Inspect button to find objects by the retained size. You can click on an object returned by the query to view details about it in the Classes or Instances tab.</p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r3c1-t45" headers="r1c1-t45"> |
| <p>Classes</p> |
| </td> |
| <td align="left" headers="r3c1-t45 r1c2-t45">Displays a list of classes with information about the number of instances of the class and the total size of the instances. You can click a class to view details in the Instances tab. |
| <p>Click the Static Fields button to view the static fields of the selected class. Click Compare with another heap dump to select and then view the differences between two heap dumps.</p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r4c1-t45" headers="r1c1-t45">Instances</td> |
| <td align="left" headers="r4c1-t45 r1c2-t45">Displays instances for a class you select in the Classes tab. For each instance, you can select an instance to browse: |
| <ul> |
| <li>the fields of the instance in the Fields browser.</li> |
| <li>references to the instance in the Reference browser.</li> |
| </ul> |
| <p>You can hide or reveal individual panes by clicking the Instances, Fields and References buttons.</p> |
| <p>You can right-click individual items in each of the panes to open a popup menu with additional commands.</p> |
| <p>For objects that have a graphical representation such as UI elements, Heap Walker displays an image of the selected instance in addition to the textual values.</p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r5c1-t45" headers="r1c1-t45">OQL Console</td> |
| <td align="left" headers="r5c1-t45 r1c2-t45">Displays the OQL editor, saved queries, and a window that displays the query results.</td> |
| </tr> |
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| </table> |
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| <hr><p><b>Related Topics</b></p> |
| <p><i>Developing Applications with NetBeans IDE</i>, |
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