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 188
 189   <div class="section" id="error-codes-memcached-return-t">
 190 <h1>Error Codes - memcached_return_t<a class="headerlink" href="#error-codes-memcached-return-t" title="Permalink to this headline">¶</a></h1>
 191 <div class="section" id="synopsis">
 192 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
 193 <dl class="simple">
 194 <dt>#include &lt;libmemcached/memcached.h&gt;</dt><dd><p>Compile and link with -lmemcached</p>
 195 </dd>
 196 </dl>
 197 <dl class="function">
 198 <dt id="_CPPv417memcached_success18memcached_return_t">
 199 <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="sig-name 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><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv417memcached_success18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 200 <dd></dd></dl>
 201
 202 <dl class="function">
 203 <dt id="_CPPv418memcached_continue18memcached_return_t">
 204 <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="sig-name 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>
 205 <dd></dd></dl>
 206
 207 <dl class="function">
 208 <dt id="_CPPv416memcached_failed18memcached_return_t">
 209 <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="sig-name 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><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv416memcached_failed18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 210 <dd></dd></dl>
 211
 212 <dl class="function">
 213 <dt id="_CPPv415memcached_fatal18memcached_return_t">
 214 <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="sig-name 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><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv415memcached_fatal18memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 215 <dd></dd></dl>
 216
 217 <dl class="type">
 218 <dt id="c.memcached_return_t">
 219 typedef enum <a class="reference internal" href="#c.memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_return_t</code><a class="headerlink" href="#c.memcached_return_t" title="Permalink to this definition">¶</a></dt>
 220 <dd></dd></dl>
 221
 222 <dl class="enum">
 223 <dt id="_CPPv418memcached_return_t">
 224 <span id="_CPPv318memcached_return_t"></span><span id="_CPPv218memcached_return_t"></span><em class="property">enum </em><code class="sig-name descname">memcached_return_t</code><a class="headerlink" href="#_CPPv418memcached_return_t" title="Permalink to this definition">¶</a><br /></dt>
 225 <dd><dl class="enumerator">
 226 <dt id="_CPPv4N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE">
 227 <span id="_CPPv3N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE"></span><span id="_CPPv2N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_AUTH_CONTINUE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t23MEMCACHED_AUTH_CONTINUEE" title="Permalink to this definition">¶</a><br /></dt>
 228 <dd><p>Authentication has been paused.</p>
 229 </dd></dl>
 230
 231 <dl class="enumerator">
 232 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_AUTH_FAILUREE">
 233 <span id="_CPPv3N18memcached_return_t22MEMCACHED_AUTH_FAILUREE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_AUTH_FAILUREE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_AUTH_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_AUTH_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 234 <dd><p>The credentials provided are not valid for this server.</p>
 235 </dd></dl>
 236
 237 <dl class="enumerator">
 238 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_AUTH_PROBLEME">
 239 <span id="_CPPv3N18memcached_return_t22MEMCACHED_AUTH_PROBLEME"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_AUTH_PROBLEME"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_AUTH_PROBLEM</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_AUTH_PROBLEME" title="Permalink to this definition">¶</a><br /></dt>
 240 <dd><p>An unknown issue has occurred during authentication.</p>
 241 </dd></dl>
 242
 243 <dl class="enumerator">
 244 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_BAD_KEY_PROVIDEDE">
 245 <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="sig-name descname">MEMCACHED_BAD_KEY_PROVIDED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_BAD_KEY_PROVIDEDE" title="Permalink to this definition">¶</a><br /></dt>
 246 <dd><p>The key provided is not a valid key.</p>
 247 </dd></dl>
 248
 249 <dl class="enumerator">
 250 <dt id="_CPPv4N18memcached_return_t18MEMCACHED_BUFFEREDE">
 251 <span id="_CPPv3N18memcached_return_t18MEMCACHED_BUFFEREDE"></span><span id="_CPPv2N18memcached_return_t18MEMCACHED_BUFFEREDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_BUFFERED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t18MEMCACHED_BUFFEREDE" title="Permalink to this definition">¶</a><br /></dt>
 252 <dd><p>The request has been buffered.</p>
 253 </dd></dl>
 254
 255 <dl class="enumerator">
 256 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_CLIENT_ERRORE">
 257 <span id="_CPPv3N18memcached_return_t22MEMCACHED_CLIENT_ERRORE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_CLIENT_ERRORE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_CLIENT_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_CLIENT_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 258 <dd><p>An unknown client error has occurred internally.</p>
 259 </dd></dl>
 260
 261 <dl class="enumerator">
 262 <dt id="_CPPv4N18memcached_return_t33MEMCACHED_CONNECTION_BIND_FAILUREE">
 263 <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="sig-name descname">MEMCACHED_CONNECTION_BIND_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t33MEMCACHED_CONNECTION_BIND_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 264 <dd><div class="deprecated">
 265 <p><span class="versionmodified deprecated">Deprecated since version &lt;0.30.</span></p>
 266 </div>
 267 <p>We were not able to bind() to the socket.</p>
 268 </dd></dl>
 269
 270 <dl class="enumerator">
 271 <dt id="_CPPv4N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE">
 272 <span id="_CPPv3N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE"></span><span id="_CPPv2N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_CONNECTION_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t28MEMCACHED_CONNECTION_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 273 <dd><p>A unknown error has occurred while trying to connect to a server.</p>
 274 </dd></dl>
 275
 276 <dl class="enumerator">
 277 <dt id="_CPPv4N18memcached_return_t42MEMCACHED_CONNECTION_SOCKET_CREATE_FAILUREE">
 278 <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="sig-name 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>
 279 <dd><div class="deprecated">
 280 <p><span class="versionmodified deprecated">Deprecated since version &lt;0.30.</span></p>
 281 </div>
 282 <p>An error has occurred while trying to connect to a server. It is likely that either the number of file descriptors need to be increased or you are out of memory.</p>
 283 </dd></dl>
 284
 285 <dl class="enumerator">
 286 <dt id="_CPPv4N18memcached_return_t29MEMCACHED_DATA_DOES_NOT_EXISTE">
 287 <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="sig-name 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>
 288 <dd><p>The data requested with the key given was not found.</p>
 289 </dd></dl>
 290
 291 <dl class="enumerator">
 292 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_DATA_EXISTSE">
 293 <span id="_CPPv3N18memcached_return_t21MEMCACHED_DATA_EXISTSE"></span><span id="_CPPv2N18memcached_return_t21MEMCACHED_DATA_EXISTSE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_DATA_EXISTS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_DATA_EXISTSE" title="Permalink to this definition">¶</a><br /></dt>
 294 <dd><p>The data requested with the key given was not found.</p>
 295 </dd></dl>
 296
 297 <dl class="enumerator">
 298 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_DELETEDE">
 299 <span id="_CPPv3N18memcached_return_t17MEMCACHED_DELETEDE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_DELETEDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_DELETED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_DELETEDE" title="Permalink to this definition">¶</a><br /></dt>
 300 <dd><p>The object requested by the key has been deleted.</p>
 301 </dd></dl>
 302
 303 <dl class="enumerator">
 304 <dt id="_CPPv4N18memcached_return_t20MEMCACHED_DEPRECATEDE">
 305 <span id="_CPPv3N18memcached_return_t20MEMCACHED_DEPRECATEDE"></span><span id="_CPPv2N18memcached_return_t20MEMCACHED_DEPRECATEDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_DEPRECATED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t20MEMCACHED_DEPRECATEDE" title="Permalink to this definition">¶</a><br /></dt>
 306 <dd><p>The method that was requested has been deprecated.</p>
 307 </dd></dl>
 308
 309 <dl class="enumerator">
 310 <dt id="_CPPv4N18memcached_return_t15MEMCACHED_E2BIGE">
 311 <span id="_CPPv3N18memcached_return_t15MEMCACHED_E2BIGE"></span><span id="_CPPv2N18memcached_return_t15MEMCACHED_E2BIGE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_E2BIG</code><a class="headerlink" href="#_CPPv4N18memcached_return_t15MEMCACHED_E2BIGE" title="Permalink to this definition">¶</a><br /></dt>
 312 <dd><p>Item is too large for the server to store.</p>
 313 </dd></dl>
 314
 315 <dl class="enumerator">
 316 <dt id="_CPPv4N18memcached_return_t13MEMCACHED_ENDE">
 317 <span id="_CPPv3N18memcached_return_t13MEMCACHED_ENDE"></span><span id="_CPPv2N18memcached_return_t13MEMCACHED_ENDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_END</code><a class="headerlink" href="#_CPPv4N18memcached_return_t13MEMCACHED_ENDE" title="Permalink to this definition">¶</a><br /></dt>
 318 <dd><p>The server has completed returning all of the objects requested.</p>
 319 </dd></dl>
 320
 321 <dl class="enumerator">
 322 <dt id="_CPPv4N18memcached_return_t15MEMCACHED_ERRNOE">
 323 <span id="_CPPv3N18memcached_return_t15MEMCACHED_ERRNOE"></span><span id="_CPPv2N18memcached_return_t15MEMCACHED_ERRNOE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_ERRNO</code><a class="headerlink" href="#_CPPv4N18memcached_return_t15MEMCACHED_ERRNOE" title="Permalink to this definition">¶</a><br /></dt>
 324 <dd><p>An error has occurred in the driver which has set errno.</p>
 325 </dd></dl>
 326
 327 <dl class="enumerator">
 328 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_FAIL_UNIX_SOCKETE">
 329 <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="sig-name descname">MEMCACHED_FAIL_UNIX_SOCKET</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_FAIL_UNIX_SOCKETE" title="Permalink to this definition">¶</a><br /></dt>
 330 <dd><p>A connection was not established with the server via a unix domain socket.</p>
 331 </dd></dl>
 332
 333 <dl class="enumerator">
 334 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_FAILUREE">
 335 <span id="_CPPv3N18memcached_return_t17MEMCACHED_FAILUREE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_FAILUREE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 336 <dd><div class="deprecated">
 337 <p><span class="versionmodified deprecated">Deprecated since version &lt;0.30.</span></p>
 338 </div>
 339 <p>A unknown failure has occurred in the server.</p>
 340 </dd></dl>
 341
 342 <dl class="enumerator">
 343 <dt id="_CPPv4N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE">
 344 <span id="_CPPv3N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE"></span><span id="_CPPv2N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_FETCH_NOTFINISHED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t27MEMCACHED_FETCH_NOTFINISHEDE" title="Permalink to this definition">¶</a><br /></dt>
 345 <dd><p>A request has been made, but the server has not finished the fetch of the last request.</p>
 346 </dd></dl>
 347
 348 <dl class="enumerator">
 349 <dt id="_CPPv4N18memcached_return_t29MEMCACHED_HOST_LOOKUP_FAILUREE">
 350 <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="sig-name descname">MEMCACHED_HOST_LOOKUP_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t29MEMCACHED_HOST_LOOKUP_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 351 <dd><p>A DNS failure has occurred.</p>
 352 </dd></dl>
 353
 354 <dl class="enumerator">
 355 <dt id="_CPPv4N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE">
 356 <span id="_CPPv3N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE"></span><span id="_CPPv2N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_INVALID_ARGUMENTS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t27MEMCACHED_INVALID_ARGUMENTSE" title="Permalink to this definition">¶</a><br /></dt>
 357 <dd><p>The arguments supplied to the given function were not valid.</p>
 358 </dd></dl>
 359
 360 <dl class="enumerator">
 361 <dt id="_CPPv4N18memcached_return_t31MEMCACHED_INVALID_HOST_PROTOCOLE">
 362 <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="sig-name descname">MEMCACHED_INVALID_HOST_PROTOCOL</code><a class="headerlink" href="#_CPPv4N18memcached_return_t31MEMCACHED_INVALID_HOST_PROTOCOLE" title="Permalink to this definition">¶</a><br /></dt>
 363 <dd><p>The server you are connecting too has an invalid protocol. Most likely you are connecting to an older server that does not speak the binary protocol.</p>
 364 </dd></dl>
 365
 366 <dl class="enumerator">
 367 <dt id="_CPPv4N18memcached_return_t14MEMCACHED_ITEME">
 368 <span id="_CPPv3N18memcached_return_t14MEMCACHED_ITEME"></span><span id="_CPPv2N18memcached_return_t14MEMCACHED_ITEME"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_ITEM</code><a class="headerlink" href="#_CPPv4N18memcached_return_t14MEMCACHED_ITEME" title="Permalink to this definition">¶</a><br /></dt>
 369 <dd><p>An item has been fetched (this is an internal error only).</p>
 370 </dd></dl>
 371
 372 <dl class="enumerator">
 373 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_KEY_TOO_BIGE">
 374 <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="sig-name descname">MEMCACHED_KEY_TOO_BIG</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_KEY_TOO_BIGE" title="Permalink to this definition">¶</a><br /></dt>
 375 <dd><p>The key that has been provided is too large for the given server.</p>
 376 </dd></dl>
 377
 378 <dl class="enumerator">
 379 <dt id="_CPPv4N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE">
 380 <span id="_CPPv3N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE"></span><span id="_CPPv2N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_MAXIMUM_RETURN</code><a class="headerlink" href="#_CPPv4N18memcached_return_t24MEMCACHED_MAXIMUM_RETURNE" title="Permalink to this definition">¶</a><br /></dt>
 381 <dd><p>This in an internal only state.</p>
 382 </dd></dl>
 383
 384 <dl class="enumerator">
 385 <dt id="_CPPv4N18memcached_return_t35MEMCACHED_MEMORY_ALLOCATION_FAILUREE">
 386 <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="sig-name descname">MEMCACHED_MEMORY_ALLOCATION_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t35MEMCACHED_MEMORY_ALLOCATION_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 387 <dd><p>An error has occurred while trying to allocate memory.</p>
 388 </dd></dl>
 389
 390 <dl class="enumerator">
 391 <dt id="_CPPv4N18memcached_return_t25MEMCACHED_NO_KEY_PROVIDEDE">
 392 <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="sig-name descname">MEMCACHED_NO_KEY_PROVIDED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t25MEMCACHED_NO_KEY_PROVIDEDE" title="Permalink to this definition">¶</a><br /></dt>
 393 <dd><div class="deprecated">
 394 <p><span class="versionmodified deprecated">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>
 395 </div>
 396 <p>No key was provided.</p>
 397 </dd></dl>
 398
 399 <dl class="enumerator">
 400 <dt id="_CPPv4N18memcached_return_t20MEMCACHED_NO_SERVERSE">
 401 <span id="_CPPv3N18memcached_return_t20MEMCACHED_NO_SERVERSE"></span><span id="_CPPv2N18memcached_return_t20MEMCACHED_NO_SERVERSE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_NO_SERVERS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t20MEMCACHED_NO_SERVERSE" title="Permalink to this definition">¶</a><br /></dt>
 402 <dd><p>No servers have been added to the memcached_st object.</p>
 403 </dd></dl>
 404
 405 <dl class="enumerator">
 406 <dt id="_CPPv4N18memcached_return_t18MEMCACHED_NOTFOUNDE">
 407 <span id="_CPPv3N18memcached_return_t18MEMCACHED_NOTFOUNDE"></span><span id="_CPPv2N18memcached_return_t18MEMCACHED_NOTFOUNDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_NOTFOUND</code><a class="headerlink" href="#_CPPv4N18memcached_return_t18MEMCACHED_NOTFOUNDE" title="Permalink to this definition">¶</a><br /></dt>
 408 <dd><p>The object requested was not found.</p>
 409 </dd></dl>
 410
 411 <dl class="enumerator">
 412 <dt id="_CPPv4N18memcached_return_t19MEMCACHED_NOTSTOREDE">
 413 <span id="_CPPv3N18memcached_return_t19MEMCACHED_NOTSTOREDE"></span><span id="_CPPv2N18memcached_return_t19MEMCACHED_NOTSTOREDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_NOTSTORED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t19MEMCACHED_NOTSTOREDE" title="Permalink to this definition">¶</a><br /></dt>
 414 <dd><p>The request to store an object failed.</p>
 415 </dd></dl>
 416
 417 <dl class="enumerator">
 418 <dt id="_CPPv4N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE">
 419 <span id="_CPPv3N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE"></span><span id="_CPPv2N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_NOT_SUPPORTED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t23MEMCACHED_NOT_SUPPORTEDE" title="Permalink to this definition">¶</a><br /></dt>
 420 <dd><p>The given method is not supported in the server.</p>
 421 </dd></dl>
 422
 423 <dl class="enumerator">
 424 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_PARSE_ERRORE">
 425 <span id="_CPPv3N18memcached_return_t21MEMCACHED_PARSE_ERRORE"></span><span id="_CPPv2N18memcached_return_t21MEMCACHED_PARSE_ERRORE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_PARSE_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_PARSE_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 426 <dd><p>An error has occurred while trying to parse the configuration string. You should use memparse to determine what the error was.</p>
 427 </dd></dl>
 428
 429 <dl class="enumerator">
 430 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_PARSE_USER_ERRORE">
 431 <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="sig-name descname">MEMCACHED_PARSE_USER_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_PARSE_USER_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 432 <dd><p>An error has occurred  in parsing the configuration string.</p>
 433 </dd></dl>
 434
 435 <dl class="enumerator">
 436 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_PARTIAL_READE">
 437 <span id="_CPPv3N18memcached_return_t22MEMCACHED_PARTIAL_READE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_PARTIAL_READE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_PARTIAL_READ</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_PARTIAL_READE" title="Permalink to this definition">¶</a><br /></dt>
 438 <dd><p>The read was only partially successful.</p>
 439 </dd></dl>
 440
 441 <dl class="enumerator">
 442 <dt id="_CPPv4N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE">
 443 <span id="_CPPv3N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE"></span><span id="_CPPv2N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_PROTOCOL_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t24MEMCACHED_PROTOCOL_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 444 <dd><p>An unknown error has occurred in the protocol.</p>
 445 </dd></dl>
 446
 447 <dl class="enumerator">
 448 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_READ_FAILUREE">
 449 <span id="_CPPv3N18memcached_return_t22MEMCACHED_READ_FAILUREE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_READ_FAILUREE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_READ_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_READ_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 450 <dd><p>A read failure has occurred.</p>
 451 </dd></dl>
 452
 453 <dl class="enumerator">
 454 <dt id="_CPPv4N18memcached_return_t22MEMCACHED_SERVER_ERRORE">
 455 <span id="_CPPv3N18memcached_return_t22MEMCACHED_SERVER_ERRORE"></span><span id="_CPPv2N18memcached_return_t22MEMCACHED_SERVER_ERRORE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_SERVER_ERROR</code><a class="headerlink" href="#_CPPv4N18memcached_return_t22MEMCACHED_SERVER_ERRORE" title="Permalink to this definition">¶</a><br /></dt>
 456 <dd><p>An unknown error has occurred in the server.</p>
 457 </dd></dl>
 458
 459 <dl class="enumerator">
 460 <dt id="_CPPv4N18memcached_return_t28MEMCACHED_SERVER_MARKED_DEADE">
 461 <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="sig-name descname">MEMCACHED_SERVER_MARKED_DEAD</code><a class="headerlink" href="#_CPPv4N18memcached_return_t28MEMCACHED_SERVER_MARKED_DEADE" title="Permalink to this definition">¶</a><br /></dt>
 462 <dd><p>The requested server has been marked dead.</p>
 463 </dd></dl>
 464
 465 <dl class="enumerator">
 466 <dt id="_CPPv4N18memcached_return_t21MEMCACHED_SOME_ERRORSE">
 467 <span id="_CPPv3N18memcached_return_t21MEMCACHED_SOME_ERRORSE"></span><span id="_CPPv2N18memcached_return_t21MEMCACHED_SOME_ERRORSE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_SOME_ERRORS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t21MEMCACHED_SOME_ERRORSE" title="Permalink to this definition">¶</a><br /></dt>
 468 <dd><p>A multi request has been made, and some undetermined number of errors have occurred.</p>
 469 </dd></dl>
 470
 471 <dl class="enumerator">
 472 <dt id="_CPPv4N18memcached_return_t14MEMCACHED_STATE">
 473 <span id="_CPPv3N18memcached_return_t14MEMCACHED_STATE"></span><span id="_CPPv2N18memcached_return_t14MEMCACHED_STATE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_STAT</code><a class="headerlink" href="#_CPPv4N18memcached_return_t14MEMCACHED_STATE" title="Permalink to this definition">¶</a><br /></dt>
 474 <dd><p>A “stat” command has been returned in the protocol.</p>
 475 </dd></dl>
 476
 477 <dl class="enumerator">
 478 <dt id="_CPPv4N18memcached_return_t16MEMCACHED_STOREDE">
 479 <span id="_CPPv3N18memcached_return_t16MEMCACHED_STOREDE"></span><span id="_CPPv2N18memcached_return_t16MEMCACHED_STOREDE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_STORED</code><a class="headerlink" href="#_CPPv4N18memcached_return_t16MEMCACHED_STOREDE" title="Permalink to this definition">¶</a><br /></dt>
 480 <dd><p>The requested object has been successfully stored on the server.</p>
 481 </dd></dl>
 482
 483 <dl class="enumerator">
 484 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_SUCCESSE">
 485 <span id="_CPPv3N18memcached_return_t17MEMCACHED_SUCCESSE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_SUCCESSE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_SUCCESS</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_SUCCESSE" title="Permalink to this definition">¶</a><br /></dt>
 486 <dd><p>The request was successfully executed.</p>
 487 </dd></dl>
 488
 489 <dl class="enumerator">
 490 <dt id="_CPPv4N18memcached_return_t17MEMCACHED_TIMEOUTE">
 491 <span id="_CPPv3N18memcached_return_t17MEMCACHED_TIMEOUTE"></span><span id="_CPPv2N18memcached_return_t17MEMCACHED_TIMEOUTE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_TIMEOUT</code><a class="headerlink" href="#_CPPv4N18memcached_return_t17MEMCACHED_TIMEOUTE" title="Permalink to this definition">¶</a><br /></dt>
 492 <dd><p>Operation has timed out.</p>
 493 </dd></dl>
 494
 495 <dl class="enumerator">
 496 <dt id="_CPPv4N18memcached_return_t30MEMCACHED_UNKNOWN_READ_FAILUREE">
 497 <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="sig-name descname">MEMCACHED_UNKNOWN_READ_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t30MEMCACHED_UNKNOWN_READ_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 498 <dd><p>An unknown read failure only occurs when either there is a bug in the server, or in rare cases where an ethernet nic is reporting dubious information.</p>
 499 </dd></dl>
 500
 501 <dl class="enumerator">
 502 <dt id="_CPPv4N18memcached_return_t26MEMCACHED_UNKNOWN_STAT_KEYE">
 503 <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="sig-name descname">MEMCACHED_UNKNOWN_STAT_KEY</code><a class="headerlink" href="#_CPPv4N18memcached_return_t26MEMCACHED_UNKNOWN_STAT_KEYE" title="Permalink to this definition">¶</a><br /></dt>
 504 <dd><p>The server you are communicating with has a stat key which has not be defined in the protocol.</p>
 505 </dd></dl>
 506
 507 <dl class="enumerator">
 508 <dt id="_CPPv4N18memcached_return_t15MEMCACHED_VALUEE">
 509 <span id="_CPPv3N18memcached_return_t15MEMCACHED_VALUEE"></span><span id="_CPPv2N18memcached_return_t15MEMCACHED_VALUEE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_VALUE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t15MEMCACHED_VALUEE" title="Permalink to this definition">¶</a><br /></dt>
 510 <dd><p>A value has been returned from the server (this is an internal condition only).</p>
 511 </dd></dl>
 512
 513 <dl class="enumerator">
 514 <dt id="_CPPv4N18memcached_return_t23MEMCACHED_WRITE_FAILUREE">
 515 <span id="_CPPv3N18memcached_return_t23MEMCACHED_WRITE_FAILUREE"></span><span id="_CPPv2N18memcached_return_t23MEMCACHED_WRITE_FAILUREE"></span><em class="property">enumerator </em><code class="sig-name descname">MEMCACHED_WRITE_FAILURE</code><a class="headerlink" href="#_CPPv4N18memcached_return_t23MEMCACHED_WRITE_FAILUREE" title="Permalink to this definition">¶</a><br /></dt>
 516 <dd><p>An error has occurred while trying to write to a server.</p>
 517 </dd></dl>
 518
 519 </dd></dl>
 520
 521 </div>
 522 <div class="section" id="see-also">
 523 <h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
 524 <ul class="simple">
 525 <li><p><em class="manpage"><a class="manpage reference external" href="http://man7.org/linux/man-pages/man1/memcached.1.html">memcached(1)</a></em></p></li>
 526 <li><p><a class="reference internal" href="../libmemcached.html"><span class="doc">C/C++ Client Library for memcached</span></a></p></li>
 527 <li><p><a class="reference internal" href="memcached_strerror.html"><span class="doc">Converting Error Codes to Messages</span></a></p></li>
 528 </ul>
 529 </div>
 530 </div>
 531
 532
 533            </div>
 534
 535           </div>
 536           <footer>
 537
 538     <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
 539
 540         <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>
 541
 542
 543         <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>
 544
 545     </div>
 546
 547
 548   <hr/>
 549
 550   <div role="contentinfo">
 551     <p>
 552         &copy; <a href="../copyright.html">Copyright</a>
 553
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 555   </div>
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 569   <script type="text/javascript">
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