unavailableexception.html

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<A NAME="UnavailableException(javax.servlet.Servlet, java.lang.String)"><!-- --></A><H3>
UnavailableException</H3>
<PRE>
public <B>UnavailableException</B>(<A HREF="../../javax/servlet/Servlet.html" title="interface in javax.servlet">Servlet</A>&nbsp;servlet,
                            java.lang.String&nbsp;msg)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java Servlet API 2.2, use <A HREF="../../javax/servlet/UnavailableException.html#UnavailableException(java.lang.String)"><CODE>UnavailableException(String)</CODE></A> instead.</I>
<P>
<DT><B>Parameters:</B><DD><CODE>servlet</CODE> - the <code>Servlet</code> instance that is
                  unavailable<DD><CODE>msg</CODE> - a <code>String</code> specifying the
                  descriptive message</DL>
<HR>

<A NAME="UnavailableException(int, javax.servlet.Servlet, java.lang.String)"><!-- --></A><H3>
UnavailableException</H3>
<PRE>
public <B>UnavailableException</B>(int&nbsp;seconds,
                            <A HREF="../../javax/servlet/Servlet.html" title="interface in javax.servlet">Servlet</A>&nbsp;servlet,
                            java.lang.String&nbsp;msg)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java Servlet API 2.2, use <A HREF="../../javax/servlet/UnavailableException.html#UnavailableException(java.lang.String, int)"><CODE>UnavailableException(String, int)</CODE></A> instead.</I>
<P>
<DT><B>Parameters:</B><DD><CODE>seconds</CODE> - an integer specifying the number of seconds
 			the servlet expects to be unavailable; if
			zero or negative, indicates that the servlet
			can't make an estimate<DD><CODE>servlet</CODE> - the <code>Servlet</code> that is unavailable<DD><CODE>msg</CODE> - a <code>String</code> specifying the descriptive 
			message, which can be written to a log file or 
			displayed for the user.</DL>
<HR>

<A NAME="UnavailableException(java.lang.String)"><!-- --></A><H3>
UnavailableException</H3>
<PRE>
public <B>UnavailableException</B>(java.lang.String&nbsp;msg)</PRE>
<DL>
<DD>Constructs a new exception with a descriptive
 message indicating that the servlet is permanently
 unavailable.
<P>
<DT><B>Parameters:</B><DD><CODE>msg</CODE> - a <code>String</code> specifying the
                  descriptive message</DL>
<HR>

<A NAME="UnavailableException(java.lang.String, int)"><!-- --></A><H3>
UnavailableException</H3>
<PRE>
public <B>UnavailableException</B>(java.lang.String&nbsp;msg,
                            int&nbsp;seconds)</PRE>
<DL>
<DD>Constructs a new exception with a descriptive message
 indicating that the servlet is temporarily unavailable
 and giving an estimate of how long it will be unavailable.
 
 <p>In some cases, the servlet cannot make an estimate. For
 example, the servlet might know that a server it needs is
 not running, but not be able to report how long it will take
 to be restored to functionality. This can be indicated with
 a negative or zero value for the <code>seconds</code> argument.
<P>
<DT><B>Parameters:</B><DD><CODE>msg</CODE> - a <code>String</code> specifying the
                  descriptive message, which can be written
                  to a log file or displayed for the user.<DD><CODE>seconds</CODE> - an integer specifying the number of seconds
 			the servlet expects to be unavailable; if
			zero or negative, indicates that the servlet
			can't make an estimate</DL>

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<A NAME="isPermanent()"><!-- --></A><H3>
isPermanent</H3>
<PRE>
public boolean <B>isPermanent</B>()</PRE>
<DL>
<DD>Returns a <code>boolean</code> indicating
 whether the servlet is permanently unavailable.
 If so, something is wrong with the servlet, and the
 system administrator must take some corrective action.
<P>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if the servlet is
			permanently unavailable; <code>false</code>
			if the servlet is available or temporarily
			unavailable</DL>
</DD>
</DL>
<HR>

<A NAME="getServlet()"><!-- --></A><H3>
getServlet</H3>
<PRE>
public <A HREF="../../javax/servlet/Servlet.html" title="interface in javax.servlet">Servlet</A> <B>getServlet</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java Servlet API 2.2, with no replacement.

 Returns the servlet that is reporting its unavailability.</I>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the <code>Servlet</code> object that is 
			throwing the <code>UnavailableException</code></DL>
</DD>
</DL>
<HR>

<A NAME="getUnavailableSeconds()"><!-- --></A><H3>
getUnavailableSeconds</H3>
<PRE>
public int <B>getUnavailableSeconds</B>()</PRE>
<DL>
<DD>Returns the number of seconds the servlet expects to 
 be temporarily unavailable.  

 <p>If this method returns a negative number, the servlet
 is permanently unavailable or cannot provide an estimate of
 how long it will be unavailable. No effort is
 made to correct for the time elapsed since the exception was
 first reported.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an integer specifying the number of seconds
			the servlet will be temporarily unavailable,
			or a negative number if the servlet is permanently
			unavailable or cannot make an estimate</DL>
</DD>
</DL>
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