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 180
 181   <div class="section" id="error-codes-memcached-return-t">
 182 <h1>Error Codes - memcached_return_t<a class="headerlink" href="#error-codes-memcached-return-t" title="Permalink to this headline">¶</a></h1>
 183 <div class="section" id="synopsis">
 184 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
 185 <dl class="docutils">
 186 <dt>#include &lt;libmemcached/memcached.h&gt;</dt>
 187 <dd>Compile and link with -lmemcached</dd>
 188 </dl>
 189 <dl class="function">
 190 <dt id="_CPPv417memcached_success18memcached_return_t">
 191 <span id="_CPPv317memcached_success18memcached_return_t"></span><span id="_CPPv217memcached_success18memcached_return_t"></span><span id="memcached_success__memcached_return_t"></span>bool <code class="descname">memcached_success</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <em>rc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv417memcached_success18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 192 <dd></dd></dl>
 193
 194 <dl class="function">
 195 <dt id="_CPPv418memcached_continue18memcached_return_t">
 196 <span id="_CPPv318memcached_continue18memcached_return_t"></span><span id="_CPPv218memcached_continue18memcached_return_t"></span><span id="memcached_continue__memcached_return_t"></span>bool <code class="descname">memcached_continue</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <em>rc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv418memcached_continue18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 197 <dd></dd></dl>
 198
 199 <dl class="function">
 200 <dt id="_CPPv416memcached_failed18memcached_return_t">
 201 <span id="_CPPv316memcached_failed18memcached_return_t"></span><span id="_CPPv216memcached_failed18memcached_return_t"></span><span id="memcached_failed__memcached_return_t"></span>bool <code class="descname">memcached_failed</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <em>rc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv416memcached_failed18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 202 <dd></dd></dl>
 203
 204 <dl class="function">
 205 <dt id="_CPPv415memcached_fatal18memcached_return_t">
 206 <span id="_CPPv315memcached_fatal18memcached_return_t"></span><span id="_CPPv215memcached_fatal18memcached_return_t"></span><span id="memcached_fatal__memcached_return_t"></span>bool <code class="descname">memcached_fatal</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <em>rc</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv415memcached_fatal18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 207 <dd></dd></dl>
 208
 209 <dl class="type">
 210 <dt id="c.memcached_return_t">
 211 enum <a class="reference internal" href="#c.memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="descname">memcached_return_t</code><a class="headerlink" href="#c.memcached_return_t" title="Permalink to this definition">¶</a></dt>
 212 <dd></dd></dl>
 213
 214 <dl class="enum">
 215 <dt id="_CPPv418memcached_return_t">
 216 <span id="_CPPv318memcached_return_t"></span><span id="_CPPv218memcached_return_t"></span><em class="property">enum </em><code class="descname">memcached_return_t</code><a class="headerlink" href="#_CPPv418memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 217 <dd><dl class="enumerator">
 218 <dt id="_CPPv4N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE">
 219 <span id="_CPPv3N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE"></span><span id="_CPPv2N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_AUTH_CONTINUE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE" title="Permalink to this definition">¶</a><br /></dt>
 220 <dd><p>Authentication has been paused.</p>
 221 </dd></dl>
 222
 223 <dl class="enumerator">
 224 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_AUTH_FAILUREE">
 225 <span id="_CPPv3N18memcached_return_t22MEMCACHED_AUTH_FAILUREE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_AUTH_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_AUTH_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_AUTH_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 226 <dd><p>The credentials provided are not valid for this server.</p>
 227 </dd></dl>
 228
 229 <dl class="enumerator">
 230 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_AUTH_PROBLEME">
 231 <span id="_CPPv3N18memcached_return_t22MEMCACHED_AUTH_PROBLEME"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_AUTH_PROBLEME"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_AUTH_PROBLEM</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_AUTH_PROBLEME" title="Permalink to this definition">¶</a><br /></dt>
 232 <dd><p>An unknown issue has occurred during authentication.</p>
 233 </dd></dl>
 234
 235 <dl class="enumerator">
 236 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_BAD_KEY_PROVIDEDE">
 237 <span id="_CPPv3N18memcached_return_t26MEMCACHED_BAD_KEY_PROVIDEDE"></span><span id="_CPPv2N18memcached_return_t26MEMCACHED_BAD_KEY_PROVIDEDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_BAD_KEY_PROVIDED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_BAD_KEY_PROVIDEDE" title="Permalink to this definition">¶</a><br /></dt>
 238 <dd><p>The key provided is not a valid key.</p>
 239 </dd></dl>
 240
 241 <dl class="enumerator">
 242 <dt id="_CPPv4N18memcached_return_t18MEMCACHED_BUFFEREDE">
 243 <span id="_CPPv3N18memcached_return_t18MEMCACHED_BUFFEREDE"></span><span id="_CPPv2N18memcached_return_t18MEMCACHED_BUFFEREDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_BUFFERED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t18MEMCACHED_BUFFEREDE" title="Permalink to this definition">¶</a><br /></dt>
 244 <dd><p>The request has been buffered.</p>
 245 </dd></dl>
 246
 247 <dl class="enumerator">
 248 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_CLIENT_ERRORE">
 249 <span id="_CPPv3N18memcached_return_t22MEMCACHED_CLIENT_ERRORE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_CLIENT_ERRORE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CLIENT_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_CLIENT_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 250 <dd><p>An unknown client error has occurred internally.</p>
 251 </dd></dl>
 252
 253 <dl class="enumerator">
 254 <dt id="_CPPv4N18memcached_return_t33MEMCACHED_CONNECTION_BIND_FAILUREE">
 255 <span id="_CPPv3N18memcached_return_t33MEMCACHED_CONNECTION_BIND_FAILUREE"></span><span id="_CPPv2N18memcached_return_t33MEMCACHED_CONNECTION_BIND_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CONNECTION_BIND_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t33MEMCACHED_CONNECTION_BIND_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 256 <dd><div class="deprecated">
 257 <p><span class="versionmodified">Deprecated since version &lt;0.30.</span></p>
 258 </div>
 259 <p>We were not able to bind() to the socket.</p>
 260 </dd></dl>
 261
 262 <dl class="enumerator">
 263 <dt id="_CPPv4N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE">
 264 <span id="_CPPv3N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE"></span><span id="_CPPv2N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CONNECTION_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 265 <dd><p>A unknown error has occurred while trying to connect to a server.</p>
 266 </dd></dl>
 267
 268 <dl class="enumerator">
 269 <dt id="_CPPv4N18memcached_return_t42MEMCACHED_CONNECTION_SOCKET_CREATE_FAILUREE">
 270 <span id="_CPPv3N18memcached_return_t42MEMCACHED_CONNECTION_SOCKET_CREATE_FAILUREE"></span><span id="_CPPv2N18memcached_return_t42MEMCACHED_CONNECTION_SOCKET_CREATE_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t42MEMCACHED_CONNECTION_SOCKET_CREATE_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 271 <dd><div class="deprecated">
 272 <p><span class="versionmodified">Deprecated since version &lt;0.30.</span></p>
 273 </div>
 274 <p>An error has occurred while trying to connect to a server.
 275 It is likely that either the number of file descriptors need to be increased or you are out of memory.</p>
 276 </dd></dl>
 277
 278 <dl class="enumerator">
 279 <dt id="_CPPv4N18memcached_return_t29MEMCACHED_DATA_DOES_NOT_EXISTE">
 280 <span id="_CPPv3N18memcached_return_t29MEMCACHED_DATA_DOES_NOT_EXISTE"></span><span id="_CPPv2N18memcached_return_t29MEMCACHED_DATA_DOES_NOT_EXISTE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_DATA_DOES_NOT_EXIST</code><a class="headerlink" href="#_CPPv4N18memcached_return_t29MEMCACHED_DATA_DOES_NOT_EXISTE" title="Permalink to this definition">¶</a><br /></dt>
 281 <dd><p>The data requested with the key given was not found.</p>
 282 </dd></dl>
 283
 284 <dl class="enumerator">
 285 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_DATA_EXISTSE">
 286 <span id="_CPPv3N18memcached_return_t21MEMCACHED_DATA_EXISTSE"></span><span id="_CPPv2N18memcached_return_t21MEMCACHED_DATA_EXISTSE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_DATA_EXISTS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_DATA_EXISTSE" title="Permalink to this definition">¶</a><br /></dt>
 287 <dd><p>The data requested with the key given was not found.</p>
 288 </dd></dl>
 289
 290 <dl class="enumerator">
 291 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_DELETEDE">
 292 <span id="_CPPv3N18memcached_return_t17MEMCACHED_DELETEDE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_DELETEDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_DELETED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_DELETEDE" title="Permalink to this definition">¶</a><br /></dt>
 293 <dd><p>The object requested by the key has been deleted.</p>
 294 </dd></dl>
 295
 296 <dl class="enumerator">
 297 <dt id="_CPPv4N18memcached_return_t20MEMCACHED_DEPRECATEDE">
 298 <span id="_CPPv3N18memcached_return_t20MEMCACHED_DEPRECATEDE"></span><span id="_CPPv2N18memcached_return_t20MEMCACHED_DEPRECATEDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_DEPRECATED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t20MEMCACHED_DEPRECATEDE" title="Permalink to this definition">¶</a><br /></dt>
 299 <dd><p>The method that was requested has been deprecated.</p>
 300 </dd></dl>
 301
 302 <dl class="enumerator">
 303 <dt id="_CPPv4N18memcached_return_t15MEMCACHED_E2BIGE">
 304 <span id="_CPPv3N18memcached_return_t15MEMCACHED_E2BIGE"></span><span id="_CPPv2N18memcached_return_t15MEMCACHED_E2BIGE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_E2BIG</code><a class="headerlink" href="#_CPPv4N18memcached_return_t15MEMCACHED_E2BIGE" title="Permalink to this definition">¶</a><br /></dt>
 305 <dd><p>Item is too large for the server to store.</p>
 306 </dd></dl>
 307
 308 <dl class="enumerator">
 309 <dt id="_CPPv4N18memcached_return_t13MEMCACHED_ENDE">
 310 <span id="_CPPv3N18memcached_return_t13MEMCACHED_ENDE"></span><span id="_CPPv2N18memcached_return_t13MEMCACHED_ENDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_END</code><a class="headerlink" href="#_CPPv4N18memcached_return_t13MEMCACHED_ENDE" title="Permalink to this definition">¶</a><br /></dt>
 311 <dd><p>The server has completed returning all of the objects requested.</p>
 312 </dd></dl>
 313
 314 <dl class="enumerator">
 315 <dt id="_CPPv4N18memcached_return_t15MEMCACHED_ERRNOE">
 316 <span id="_CPPv3N18memcached_return_t15MEMCACHED_ERRNOE"></span><span id="_CPPv2N18memcached_return_t15MEMCACHED_ERRNOE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_ERRNO</code><a class="headerlink" href="#_CPPv4N18memcached_return_t15MEMCACHED_ERRNOE" title="Permalink to this definition">¶</a><br /></dt>
 317 <dd><p>An error has occurred in the driver which has set errno.</p>
 318 </dd></dl>
 319
 320 <dl class="enumerator">
 321 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_FAIL_UNIX_SOCKETE">
 322 <span id="_CPPv3N18memcached_return_t26MEMCACHED_FAIL_UNIX_SOCKETE"></span><span id="_CPPv2N18memcached_return_t26MEMCACHED_FAIL_UNIX_SOCKETE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_FAIL_UNIX_SOCKET</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_FAIL_UNIX_SOCKETE" title="Permalink to this definition">¶</a><br /></dt>
 323 <dd><p>A connection was not established with the server via a unix domain socket.</p>
 324 </dd></dl>
 325
 326 <dl class="enumerator">
 327 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_FAILUREE">
 328 <span id="_CPPv3N18memcached_return_t17MEMCACHED_FAILUREE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 329 <dd><div class="deprecated">
 330 <p><span class="versionmodified">Deprecated since version &lt;0.30.</span></p>
 331 </div>
 332 <p>A unknown failure has occurred in the server.</p>
 333 </dd></dl>
 334
 335 <dl class="enumerator">
 336 <dt id="_CPPv4N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE">
 337 <span id="_CPPv3N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE"></span><span id="_CPPv2N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_FETCH_NOTFINISHED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE" title="Permalink to this definition">¶</a><br /></dt>
 338 <dd><p>A request has been made, but the server has not finished the fetch of the last request.</p>
 339 </dd></dl>
 340
 341 <dl class="enumerator">
 342 <dt id="_CPPv4N18memcached_return_t29MEMCACHED_HOST_LOOKUP_FAILUREE">
 343 <span id="_CPPv3N18memcached_return_t29MEMCACHED_HOST_LOOKUP_FAILUREE"></span><span id="_CPPv2N18memcached_return_t29MEMCACHED_HOST_LOOKUP_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_HOST_LOOKUP_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t29MEMCACHED_HOST_LOOKUP_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 344 <dd><p>A DNS failure has occurred.</p>
 345 </dd></dl>
 346
 347 <dl class="enumerator">
 348 <dt id="_CPPv4N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE">
 349 <span id="_CPPv3N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE"></span><span id="_CPPv2N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_INVALID_ARGUMENTS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE" title="Permalink to this definition">¶</a><br /></dt>
 350 <dd><p>The arguments supplied to the given function were not valid.</p>
 351 </dd></dl>
 352
 353 <dl class="enumerator">
 354 <dt id="_CPPv4N18memcached_return_t31MEMCACHED_INVALID_HOST_PROTOCOLE">
 355 <span id="_CPPv3N18memcached_return_t31MEMCACHED_INVALID_HOST_PROTOCOLE"></span><span id="_CPPv2N18memcached_return_t31MEMCACHED_INVALID_HOST_PROTOCOLE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_INVALID_HOST_PROTOCOL</code><a class="headerlink" href="#_CPPv4N18memcached_return_t31MEMCACHED_INVALID_HOST_PROTOCOLE" title="Permalink to this definition">¶</a><br /></dt>
 356 <dd><p>The server you are connecting too has an invalid protocol.
 357 Most likely you are connecting to an older server that does not speak the binary protocol.</p>
 358 </dd></dl>
 359
 360 <dl class="enumerator">
 361 <dt id="_CPPv4N18memcached_return_t14MEMCACHED_ITEME">
 362 <span id="_CPPv3N18memcached_return_t14MEMCACHED_ITEME"></span><span id="_CPPv2N18memcached_return_t14MEMCACHED_ITEME"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_ITEM</code><a class="headerlink" href="#_CPPv4N18memcached_return_t14MEMCACHED_ITEME" title="Permalink to this definition">¶</a><br /></dt>
 363 <dd><p>An item has been fetched (this is an internal error only).</p>
 364 </dd></dl>
 365
 366 <dl class="enumerator">
 367 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_KEY_TOO_BIGE">
 368 <span id="_CPPv3N18memcached_return_t21MEMCACHED_KEY_TOO_BIGE"></span><span id="_CPPv2N18memcached_return_t21MEMCACHED_KEY_TOO_BIGE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_KEY_TOO_BIG</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_KEY_TOO_BIGE" title="Permalink to this definition">¶</a><br /></dt>
 369 <dd><p>The key that has been provided is too large for the given server.</p>
 370 </dd></dl>
 371
 372 <dl class="enumerator">
 373 <dt id="_CPPv4N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE">
 374 <span id="_CPPv3N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE"></span><span id="_CPPv2N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_MAXIMUM_RETURN</code><a class="headerlink" href="#_CPPv4N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE" title="Permalink to this definition">¶</a><br /></dt>
 375 <dd><p>This in an internal only state.</p>
 376 </dd></dl>
 377
 378 <dl class="enumerator">
 379 <dt id="_CPPv4N18memcached_return_t35MEMCACHED_MEMORY_ALLOCATION_FAILUREE">
 380 <span id="_CPPv3N18memcached_return_t35MEMCACHED_MEMORY_ALLOCATION_FAILUREE"></span><span id="_CPPv2N18memcached_return_t35MEMCACHED_MEMORY_ALLOCATION_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_MEMORY_ALLOCATION_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t35MEMCACHED_MEMORY_ALLOCATION_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 381 <dd><p>An error has occurred while trying to allocate memory.</p>
 382 </dd></dl>
 383
 384 <dl class="enumerator">
 385 <dt id="_CPPv4N18memcached_return_t25MEMCACHED_NO_KEY_PROVIDEDE">
 386 <span id="_CPPv3N18memcached_return_t25MEMCACHED_NO_KEY_PROVIDEDE"></span><span id="_CPPv2N18memcached_return_t25MEMCACHED_NO_KEY_PROVIDEDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_NO_KEY_PROVIDED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t25MEMCACHED_NO_KEY_PROVIDEDE" title="Permalink to this definition">¶</a><br /></dt>
 387 <dd><div class="deprecated">
 388 <p><span class="versionmodified">Deprecated since version &lt;0.30: </span>Use <a class="reference internal" href="#_CPPv4N18memcached_return_t26MEMCACHED_BAD_KEY_PROVIDEDE" title="memcached_return_t::MEMCACHED_BAD_KEY_PROVIDED"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">MEMCACHED_BAD_KEY_PROVIDED</span></code></a> instead.</p>
 389 </div>
 390 <p>No key was provided.</p>
 391 </dd></dl>
 392
 393 <dl class="enumerator">
 394 <dt id="_CPPv4N18memcached_return_t20MEMCACHED_NO_SERVERSE">
 395 <span id="_CPPv3N18memcached_return_t20MEMCACHED_NO_SERVERSE"></span><span id="_CPPv2N18memcached_return_t20MEMCACHED_NO_SERVERSE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_NO_SERVERS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t20MEMCACHED_NO_SERVERSE" title="Permalink to this definition">¶</a><br /></dt>
 396 <dd><p>No servers have been added to the memcached_st object.</p>
 397 </dd></dl>
 398
 399 <dl class="enumerator">
 400 <dt id="_CPPv4N18memcached_return_t18MEMCACHED_NOTFOUNDE">
 401 <span id="_CPPv3N18memcached_return_t18MEMCACHED_NOTFOUNDE"></span><span id="_CPPv2N18memcached_return_t18MEMCACHED_NOTFOUNDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_NOTFOUND</code><a class="headerlink" href="#_CPPv4N18memcached_return_t18MEMCACHED_NOTFOUNDE" title="Permalink to this definition">¶</a><br /></dt>
 402 <dd><p>The object requested was not found.</p>
 403 </dd></dl>
 404
 405 <dl class="enumerator">
 406 <dt id="_CPPv4N18memcached_return_t19MEMCACHED_NOTSTOREDE">
 407 <span id="_CPPv3N18memcached_return_t19MEMCACHED_NOTSTOREDE"></span><span id="_CPPv2N18memcached_return_t19MEMCACHED_NOTSTOREDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_NOTSTORED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t19MEMCACHED_NOTSTOREDE" title="Permalink to this definition">¶</a><br /></dt>
 408 <dd><p>The request to store an object failed.</p>
 409 </dd></dl>
 410
 411 <dl class="enumerator">
 412 <dt id="_CPPv4N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE">
 413 <span id="_CPPv3N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE"></span><span id="_CPPv2N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_NOT_SUPPORTED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE" title="Permalink to this definition">¶</a><br /></dt>
 414 <dd><p>The given method is not supported in the server.</p>
 415 </dd></dl>
 416
 417 <dl class="enumerator">
 418 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_PARSE_ERRORE">
 419 <span id="_CPPv3N18memcached_return_t21MEMCACHED_PARSE_ERRORE"></span><span id="_CPPv2N18memcached_return_t21MEMCACHED_PARSE_ERRORE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_PARSE_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_PARSE_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 420 <dd><p>An error has occurred while trying to parse the configuration string.
 421 You should use memparse to determine what the error was.</p>
 422 </dd></dl>
 423
 424 <dl class="enumerator">
 425 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_PARSE_USER_ERRORE">
 426 <span id="_CPPv3N18memcached_return_t26MEMCACHED_PARSE_USER_ERRORE"></span><span id="_CPPv2N18memcached_return_t26MEMCACHED_PARSE_USER_ERRORE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_PARSE_USER_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_PARSE_USER_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 427 <dd><p>An error has occurred  in parsing the configuration string.</p>
 428 </dd></dl>
 429
 430 <dl class="enumerator">
 431 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_PARTIAL_READE">
 432 <span id="_CPPv3N18memcached_return_t22MEMCACHED_PARTIAL_READE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_PARTIAL_READE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_PARTIAL_READ</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_PARTIAL_READE" title="Permalink to this definition">¶</a><br /></dt>
 433 <dd><p>The read was only partially successful.</p>
 434 </dd></dl>
 435
 436 <dl class="enumerator">
 437 <dt id="_CPPv4N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE">
 438 <span id="_CPPv3N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE"></span><span id="_CPPv2N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_PROTOCOL_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 439 <dd><p>An unknown error has occurred in the protocol.</p>
 440 </dd></dl>
 441
 442 <dl class="enumerator">
 443 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_READ_FAILUREE">
 444 <span id="_CPPv3N18memcached_return_t22MEMCACHED_READ_FAILUREE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_READ_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_READ_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_READ_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 445 <dd><p>A read failure has occurred.</p>
 446 </dd></dl>
 447
 448 <dl class="enumerator">
 449 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_SERVER_ERRORE">
 450 <span id="_CPPv3N18memcached_return_t22MEMCACHED_SERVER_ERRORE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_SERVER_ERRORE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_SERVER_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_SERVER_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 451 <dd><p>An unknown error has occurred in the server.</p>
 452 </dd></dl>
 453
 454 <dl class="enumerator">
 455 <dt id="_CPPv4N18memcached_return_t28MEMCACHED_SERVER_MARKED_DEADE">
 456 <span id="_CPPv3N18memcached_return_t28MEMCACHED_SERVER_MARKED_DEADE"></span><span id="_CPPv2N18memcached_return_t28MEMCACHED_SERVER_MARKED_DEADE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_SERVER_MARKED_DEAD</code><a class="headerlink" href="#_CPPv4N18memcached_return_t28MEMCACHED_SERVER_MARKED_DEADE" title="Permalink to this definition">¶</a><br /></dt>
 457 <dd><p>The requested server has been marked dead.</p>
 458 </dd></dl>
 459
 460 <dl class="enumerator">
 461 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_SOME_ERRORSE">
 462 <span id="_CPPv3N18memcached_return_t21MEMCACHED_SOME_ERRORSE"></span><span id="_CPPv2N18memcached_return_t21MEMCACHED_SOME_ERRORSE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_SOME_ERRORS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_SOME_ERRORSE" title="Permalink to this definition">¶</a><br /></dt>
 463 <dd><p>A multi request has been made, and some undetermined number of errors have occurred.</p>
 464 </dd></dl>
 465
 466 <dl class="enumerator">
 467 <dt id="_CPPv4N18memcached_return_t14MEMCACHED_STATE">
 468 <span id="_CPPv3N18memcached_return_t14MEMCACHED_STATE"></span><span id="_CPPv2N18memcached_return_t14MEMCACHED_STATE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_STAT</code><a class="headerlink" href="#_CPPv4N18memcached_return_t14MEMCACHED_STATE" title="Permalink to this definition">¶</a><br /></dt>
 469 <dd><p>A &quot;stat&quot; command has been returned in the protocol.</p>
 470 </dd></dl>
 471
 472 <dl class="enumerator">
 473 <dt id="_CPPv4N18memcached_return_t16MEMCACHED_STOREDE">
 474 <span id="_CPPv3N18memcached_return_t16MEMCACHED_STOREDE"></span><span id="_CPPv2N18memcached_return_t16MEMCACHED_STOREDE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_STORED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t16MEMCACHED_STOREDE" title="Permalink to this definition">¶</a><br /></dt>
 475 <dd><p>The requested object has been successfully stored on the server.</p>
 476 </dd></dl>
 477
 478 <dl class="enumerator">
 479 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_SUCCESSE">
 480 <span id="_CPPv3N18memcached_return_t17MEMCACHED_SUCCESSE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_SUCCESSE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_SUCCESS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_SUCCESSE" title="Permalink to this definition">¶</a><br /></dt>
 481 <dd><p>The request was successfully executed.</p>
 482 </dd></dl>
 483
 484 <dl class="enumerator">
 485 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_TIMEOUTE">
 486 <span id="_CPPv3N18memcached_return_t17MEMCACHED_TIMEOUTE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_TIMEOUTE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_TIMEOUT</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_TIMEOUTE" title="Permalink to this definition">¶</a><br /></dt>
 487 <dd><p>Operation has timed out.</p>
 488 </dd></dl>
 489
 490 <dl class="enumerator">
 491 <dt id="_CPPv4N18memcached_return_t30MEMCACHED_UNKNOWN_READ_FAILUREE">
 492 <span id="_CPPv3N18memcached_return_t30MEMCACHED_UNKNOWN_READ_FAILUREE"></span><span id="_CPPv2N18memcached_return_t30MEMCACHED_UNKNOWN_READ_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_UNKNOWN_READ_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t30MEMCACHED_UNKNOWN_READ_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 493 <dd><p>An unknown read failure only occurs when either there is a bug in the server,
 494 or in rare cases where an ethernet nic is reporting dubious information.</p>
 495 </dd></dl>
 496
 497 <dl class="enumerator">
 498 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_UNKNOWN_STAT_KEYE">
 499 <span id="_CPPv3N18memcached_return_t26MEMCACHED_UNKNOWN_STAT_KEYE"></span><span id="_CPPv2N18memcached_return_t26MEMCACHED_UNKNOWN_STAT_KEYE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_UNKNOWN_STAT_KEY</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_UNKNOWN_STAT_KEYE" title="Permalink to this definition">¶</a><br /></dt>
 500 <dd><p>The server you are communicating with has a stat key which has not be defined in the protocol.</p>
 501 </dd></dl>
 502
 503 <dl class="enumerator">
 504 <dt id="_CPPv4N18memcached_return_t15MEMCACHED_VALUEE">
 505 <span id="_CPPv3N18memcached_return_t15MEMCACHED_VALUEE"></span><span id="_CPPv2N18memcached_return_t15MEMCACHED_VALUEE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_VALUE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t15MEMCACHED_VALUEE" title="Permalink to this definition">¶</a><br /></dt>
 506 <dd><p>A value has been returned from the server (this is an internal condition only).</p>
 507 </dd></dl>
 508
 509 <dl class="enumerator">
 510 <dt id="_CPPv4N18memcached_return_t23MEMCACHED_WRITE_FAILUREE">
 511 <span id="_CPPv3N18memcached_return_t23MEMCACHED_WRITE_FAILUREE"></span><span id="_CPPv2N18memcached_return_t23MEMCACHED_WRITE_FAILUREE"></span><em class="property">enumerator </em><code class="descname">MEMCACHED_WRITE_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t23MEMCACHED_WRITE_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 512 <dd><p>An error has occurred while trying to write to a server.</p>
 513 </dd></dl>
 514
 515 </dd></dl>
 516
 517 </div>
 518 <div class="section" id="see-also">
 519 <h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
 520 <ul class="simple">
 521 <li><em class="manpage"><a class="manpage reference external" href="https://linux.die.net/man/1/memcached">memcached(1)</a></em></li>
 522 <li><a class="reference internal" href="../libmemcached.html"><span class="doc">C/C++ Client Library for memcached</span></a></li>
 523 <li><a class="reference internal" href="memcached_strerror.html"><span class="doc">Converting Error Codes to Messages</span></a></li>
 524 </ul>
 525 </div>
 526 </div>
 527
 528
 529            </div>
 530
 531           </div>
 532           <footer>
 533
 534     <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
 535
 536         <a href="memcached_last_error.html" class="btn btn-neutral float-right" title="Retrieving Error Codes and Messages" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a>
 537
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 539         <a href="index_errors.html" class="btn btn-neutral float-left" title="Messages and Errors" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a>
 540
 541     </div>
 542
 543
 544   <hr/>
 545
 546   <div role="contentinfo">
 547     <p>
 548         &copy; <a href="../copyright.html">Copyright</a>
 549
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 551   </div>
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 553
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 555
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 565   <script type="text/javascript">
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