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| ID | Category | Severity | Reproducibility | Date Submitted | Last Update | ||||
| 0000952 | [Resin] | minor | always | 02-20-06 08:51 | 03-27-06 14:53 | ||||
| Reporter | anonymous | View Status | public | ||||||
| Assigned To | ferg | ||||||||
| Priority | normal | Resolution | fixed | Platform | |||||
| Status | closed | OS | |||||||
| Projection | none | OS Version | |||||||
| ETA | none | Fixed in Version | 3.0.19 | Product Version | 3.0.16 | ||||
| Product Build | |||||||||
| Summary | 0000952: @EJB injection and inheritance | ||||||||
| Description |
The @EJB injection code is not handling annotations specified in a base class. I have a little code I have been playing with where I have a series of servlets derived from a custom base class. The base class contains a reference to an EJB that all of my servlets need. I tried to configure this by adding an @EJB method in the base class but the injection never happens. I found two workarounds for now: - Do the injection from each derived class. Then things work correctly, but I end up with a lot of duplicate code. - Manually do the lookup in init() of the base class. |
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| Steps To Reproduce | |||||||||
| Additional Information |
Example: public class BaseServlet extends ... { protected MyEJB ejb = null; ... @EJB public void setMyEJB(MyEJB ejb) ... } public class ConcreteServlet extends BaseServlet { ... public void service(...) { this.ejb.method(); // NPE here - injection is not being done } ... } WORKAROUND: Do the injection from the concrete class rather than the base class public class ConcreteServlet extends BaseServlet { ... @EJB public void setMyEJB(MyEJB ejb) { ... } ... public void service(...) { this.ejb.method(); // Works fine now... } } |
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Notes |
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(0000952) ferg 03-27-06 14:53 |
ejb/0f24 |
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Issue History |
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| Date Modified | Username | Field | Change |
| 02-20-06 08:51 | anonymous | New Issue | |
| 03-27-06 14:53 | ferg | Note Added: 0000952 | |
| 03-27-06 14:53 | ferg | Assigned To | => ferg |
| 03-27-06 14:53 | ferg | Status | new => closed |
| 03-27-06 14:53 | ferg | Resolution | open => fixed |
| 03-27-06 14:53 | ferg | Fixed in Version | => 3.0.19 |
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