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  1. ,

    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

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via Spring JIRA by Tim Lenz, 1 year ago
via Spring JIRA by Tim Lenz, 2 years ago
via Coderanch by Hocinema amir, 1 year ago
This exception has no message.
via Oracle Community by user151917, 1 year ago
This exception has no message.
via by Unknown author, 2 years ago
java.lang.NullPointerException at java.lang.Throwable.<init>( at java.util.Hashtable.put( at org.apache.jasper.runtime.PageContextImpl.setAttribute( at org.springframework.web.servlet.tags.form.ErrorsTag.removeAttributes( at org.springframework.web.servlet.tags.form.AbstractHtmlElementBodyTag.doFinally( at org.springframework.web.servlet.tags.form.ErrorsTag.doFinally(