FortressServiceSelector throws NullPointerException
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Key: FORTRESS-14
URL: http://issues.apache.org/jira/browse/FORTRESS-14
Project: Excalibur Fortress
Type: Bug
Components: Runtime
Environment: avalon-fortress-container-1.1.jar
Reporter: Kazimierz Pogoda
Priority: Minor
The select(Object) method of FortressServiceSelector throws
NullPointerException if the specified hint object is null.
It looks like the orginal intent of this code was, to throw the
ServiceException in such case. The private getHandler(Object) method throws
IllegalArgumentException if the hint is null. Then it is cauth as general
Exception, in the select(Object) method to throw specific ServiceException, but
before that, in concatenation of name string, hint.toString() method is called
and hint is null.
What is the rationale of explicitly called hint.toString() method in such
situation? In described case avoiding toString() would prevent from this
NullPointerException bug.
Here is my stack trace:
java.lang.NullPointerException
at
org.apache.avalon.fortress.impl.lookup.FortressServiceSelector.select(FortressServiceSelector.java:82)
at
pl.ncdc.avalon.service.DefaultExtendedServiceSelector.select(DefaultExtendedServiceSelector.java:68)
at
pl.ncdc.pcm.service.DefaultActionExecutor.execute(DefaultActionExecutor.java:331)
at
pl.ncdc.pcm.service.DefaultActionExecutor.access$700(DefaultActionExecutor.java:50)
at
pl.ncdc.pcm.service.DefaultActionExecutor$Worker.run(DefaultActionExecutor.java:299)
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