How to resolve this exception ?

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Dear Friends ,

While i try to deploy my appalication in Tomcat 6 following stact trces occurs .

Give some guidance to resolve this error.

Caused by: com.sun.faces.spi.InjectionProviderException: java.lang.reflect.InvocationTargetException
	at com.sun.faces.vendor.Tomcat6InjectionProvider.invokePostConstruct(Tomcat6InjectionProvider.java:120)
	at com.sun.faces.mgbean.BeanBuilder.invokePostConstruct(BeanBuilder.java:223)
	... 38 more
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.util.DefaultAnnotationProcessor.postConstruct(DefaultAnnotationProcessor.java:96)
	at com.sun.faces.vendor.Tomcat6InjectionProvider.invokePostConstruct(Tomcat6InjectionProvider.java:118)
	... 39 more
Caused by: java.lang.NullPointerException
	at ImageBean.getAlbumList(ImageBean.java:87)
	at ImageBean.initAlbums(ImageBean.java:96)
	... 45 more

Awating your reply..

Thanks in advance
Sivasankar

Posted 29-Jan-13 0:14am

sivis sans

Updated 29-Jan-13 2:17am

Sandeep Mewara

v2

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Shubhashish_Mandal 29-Jan-13 8:07am

Caused by: java.lang.NullPointerException
at ImageBean.getAlbumList(ImageBean.java:87)
at ImageBean.initAlbums(ImageBean.java:96)

I guess this is the reason.

2 solutions

Solution 2

It's working fine.
Thanks sandeep for your valid comment :)

Posted 29-Jan-13 18:22pm

sivis sans

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Sandeep Mewara · Accepted Answer · 2013-01-29T02:18:00

Thrown when an application attempts to use null in a case where an object is required. These include:

Calling the instance method of a null object.

Accessing or modifying the field of a null object.

Taking the length of null as if it were an array.

Accessing or modifying the slots of null as if it were an array.

Throwing null as if it were a Throwable value.

Details here:
Class NullPointerException[^]
Java error java.lang.nullpointerexception[^]

DEBUG and look for the potential place and fix/handle it.