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DbMemoryException (Sleepycat Software, Inc. - Berkeley DB Java API)
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<b>Berkeley DB</b><br><font size="-1"> version 4.2.52</font></EM>
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com.sleepycat.db</FONT>
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Class DbMemoryException</H2>
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<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">java.lang.Object</A>
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  +--<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Throwable.html">java.lang.Throwable</A>
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        +--<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Exception.html">java.lang.Exception</A>
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              +--<A HREF="../../../com/sleepycat/db/DbException.html">com.sleepycat.db.DbException</A>
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                    +--<B>com.sleepycat.db.DbMemoryException</B>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/io/Serializable.html">Serializable</A></DD>
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<DT>public class <B>DbMemoryException</B><DT>extends <A HREF="../../../com/sleepycat/db/DbException.html">DbException</A></DL>

<P>
This information describes the DbMemoryException class and how it is used by the various Db* classes.</p> <p>A DbMemoryException is thrown when there is insufficient memory to complete an operation, and there is the possibility of recovering. An example is during a <A HREF="../../../com/sleepycat/db/Db.html#get(com.sleepycat.db.DbTxn, com.sleepycat.db.Dbt, com.sleepycat.db.Dbt, int)"><CODE>Db.get</CODE></A> or <A HREF="../../../com/sleepycat/db/Dbc.html#get(com.sleepycat.db.Dbt, com.sleepycat.db.Dbt, int)"><CODE>Dbc.get</CODE></A> operation with the <A HREF="../../../com/sleepycat/db/Dbt.html"><CODE>Dbt</CODE></A> flags set to <A HREF="../../../com/sleepycat/db/Db.html#DB_DBT_USERMEM"><CODE>Db.DB_DBT_USERMEM</CODE></A>.</p> <p>In a Java Virtual Machine, there are usually separate heaps for memory allocated by native code and for objects allocated in Java code.  If the Java heap is exhausted, the JVM will throw an OutOfMemoryError, so you may see that exception rather than DbMemoryException.</p>
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<DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html" TARGET="com.sleepycat.db.DbMemoryException">Serialized Form</A></DL>
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<B>Method Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/Dbt.html">Dbt</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbMemoryException.html#get_dbt()">get_dbt</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>As of Berkeley DB 4.2, replaced by <A HREF="../../../com/sleepycat/db/DbMemoryException.html#getDbt()"><CODE>getDbt()</CODE></A></I></TD>
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<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/Dbt.html">Dbt</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbMemoryException.html#getDbt()">getDbt</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <b>getDbt</b> method returns the <A HREF="../../../com/sleepycat/db/Dbt.html"><CODE>Dbt</CODE></A> with insufficient memory to complete the operation, causing the DbMemoryException to be thrown.</TD>
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DbMemoryException.html#toString()">toString</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Override of DbException.toString(): the extra verbage that
  comes from DbEnv.strerror(ENOMEM) is not helpful.</TD>
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<TD><B>Methods inherited from class com.sleepycat.db.<A HREF="../../../com/sleepycat/db/DbException.html">DbException</A></B></TD>
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<TD><CODE><A HREF="../../../com/sleepycat/db/DbException.html#get_errno()">get_errno</A>, <A HREF="../../../com/sleepycat/db/DbException.html#getDbEnv()">getDbEnv</A>, <A HREF="../../../com/sleepycat/db/DbException.html#getErrno()">getErrno</A></CODE></TD>
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<A NAME="getDbt()"><!-- --></A><H3>
getDbt</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/Dbt.html">Dbt</A> <B>getDbt</B>()</PRE>
<DL>
<DD>The <b>getDbt</b> method returns the <A HREF="../../../com/sleepycat/db/Dbt.html"><CODE>Dbt</CODE></A> with insufficient memory to complete the operation, causing the DbMemoryException to be thrown. </p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The <b>getDbt</b> method returns the <A HREF="../../../com/sleepycat/db/Dbt.html"><CODE>Dbt</CODE></A> with insufficient memory to complete the operation, causing the DbMemoryException to be thrown.</p></DL>
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<A NAME="get_dbt()"><!-- --></A><H3>
get_dbt</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/Dbt.html">Dbt</A> <B>get_dbt</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Berkeley DB 4.2, replaced by <A HREF="../../../com/sleepycat/db/DbMemoryException.html#getDbt()"><CODE>getDbt()</CODE></A></I>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>Description of the Return Value</DL>
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<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Override of DbException.toString(): the extra verbage that
  comes from DbEnv.strerror(ENOMEM) is not helpful.
<P>
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<DT><B>Overrides:</B><DD><CODE><A HREF="../../../com/sleepycat/db/DbException.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../../com/sleepycat/db/DbException.html">DbException</A></CODE></DL>
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