Invoking the store() method of PortletPreferences object results in NPE if no
preferences declared in portlet.xml
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Key: PLUTO-506
URL: https://issues.apache.org/jira/browse/PLUTO-506
Project: Pluto
Issue Type: Bug
Components: portlet container
Affects Versions: 2.0.0, 2.0-refactoring
Environment: JDK 1.5.0_16, Tomcat 5.5.27
Reporter: Brian DeHamer
Fix For: 2.0.0, 2.0-refactoring
If you have not declared any preferences for a portlet in the deployment
descriptor (portlet.xml) and then invoke the store() method of the
PortletPreferences object, a NullPointerException is thrown with the following
stack trace:
java.lang.NullPointerException
at
org.apache.pluto.internal.PreferencesValidatorRegistry.getPreferencesValidator(PreferencesValidatorRegistry.java:97)
at
org.apache.pluto.internal.impl.PortletEntityImpl.getPreferencesValidator(PortletEntityImpl.java:167)
at
org.apache.pluto.internal.impl.PortletPreferencesImpl.internalStore(PortletPreferencesImpl.java:298)
at
org.apache.pluto.internal.impl.PortletPreferencesImpl.store(PortletPreferencesImpl.java:277)
. . .
In the getPreferencesValidator() method of the PreferencesValidatorRegistry the
PortletPreferencesDD object is retrieved and its getPreferencesValidator()
method is invoked without first checking to see if the PortletPreferencesDD
object is null.
As a workaround you can make sure that you always declare at least one
preference in your portlet.xml file -- this will ensure that the
PortletPreferencesDD object is not null.
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