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| <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">Appendix A. Exceptions</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="JMS-Client-0-8-Logging-EnablingDebugLogging.html">Prev</a> </td><th align="center" width="60%"> </th><td align="right" width="20%"> <a accesskey="n" href="JMS-Client-0-8-Appendix-Maven.html">Next</a></td></tr></table><hr /></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="JMS-Client-0-8-Appendix-Exceptions"></a>Appendix A. Exceptions</h1></div></div></div><p>The methods of the Client throw <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/JMSException.html" target="_top">JMSExceptions</a> in response to error |
| conditions. Typically the exception's message (#getMessage()) summarises the error condition, |
| with contextual information being provided by the messages of linked exception(s). To understand |
| the problem, it is important to read the messages associated with <span class="emphasis"><em>all</em></span> the |
| linked exceptions.</p><p>The following table describes some of the more common exceptions linked to JMSException |
| thrown by JMS methods whilst using the client:</p><div class="table"><a id="d0e3006"></a><p class="title"><strong>Table A.1. Exceptions linked to JMSExceptions thrown by JMS methods</strong></p><div class="table-contents"><table border="1" summary="Exceptions linked to JMSExceptions thrown by JMS methods" width="100%"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Linked Exception</th><th>Message</th><th>Explanation/Common Causes</th></tr></thead><tbody><tr><td>AMQUnresolvedAddressException</td><td><span class="emphasis"><em>message varies</em></span></td><td><p>Indicates that the hostname included in the Connection URL's <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-Brokerlist">brokerlist</a>, could not be resolved, . This could mean that the hostname is |
| mispelt, or there is name resolution problem.</p></td></tr><tr><td>AMQConnectionFailure</td><td>Connection refused</td><td><p>Indicates that the host included in the Connection URL's <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-Brokerlist">brokerlist</a>, actively refused the connection. This could mean that the |
| hostname and/or port number is incorrect, or the Broker may not be |
| running.</p></td></tr><tr><td>AMQConnectionFailure</td><td>connect timed out</td><td><p>Indicates that the host included in the Connection URL's <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-Brokerlist">brokerlist</a>, could not be contacted within the <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-ConnectTimeout">connecttimeout</a>. This could mean that the host is shutdown, or a networking |
| routing problem means the host is unreachable.</p></td></tr><tr><td>AMQConnectionFailure</td><td>General SSL Problem; PKIX path building failed; unable to find valid certification |
| path to requested target</td><td><p>Indicates that the CA that signed the Broker's certificate is not trusted by |
| the JVM of the client. If the Broker is using a private-CA (or a self signed |
| certificate) check that the client has been properly configured with a truststore. See |
| <a class="xref" href="JMS-Client-0-8-Client-Understanding-Connection.html#JMS-Client-0-8-Client-Understanding-Connection-SSL" title="5.3.3. SSL">Section 5.3.3, “SSL”</a></p></td></tr><tr><td>AMQConnectionFailure / AMQAuthenticationException</td><td>not allowed</td><td><p>Indicates that the user cannot be authenticated by the Broker. Check the |
| username and/or password elements within the <a class="link" href="JMS-Client-0-8-Connection-URL.html" title="Chapter 7. Connection URLs">Connection URL</a>.</p></td></tr><tr><td>AMQConnectionFailure / AMQSecurityException</td><td>Permission denied: <span class="emphasis"><em>virtualhost name</em></span>; access refused</td><td><p>Indicates that the user is not authorised to connect to the given |
| virtualhost. The user is recognised by the Broker and is using the correct password |
| but does not have permission. This exception normally indicates that the user (or |
| group) has not been permissioned within the Broker's <a class="link" href="../../java-broker/book/Java-Broker-Security-ACLs.html" target="_top">Access Control List |
| (ACL)</a>.</p></td></tr><tr><td>AMQTimeoutException</td><td>The server's response was not received within the time-out period of %d ms.</td><td> |
| <p>Indicates that the Broker's response to the request sent by the client was not received |
| within a timely fashion. The timeout is governed by |
| <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-SyncOpTimeout"> |
| <code class="literal">qpid.sync_op_timeout</code> |
| </a>. |
| </p> |
| <p>This can be a symptom of a heavily loaded Broker, an overloaded network or a client JVM itself which |
| is too overloaded to process incoming responses. Check for unreasonably long garbage collection pauses. |
| </p> |
| </td></tr><tr><td>AMQSecurityException</td><td>Permission denied: <span class="emphasis"><em>message varies</em></span></td><td><p>Indicates that the user is not authorised to use the given resource or |
| perform the given operation. This exception normally indicates that the user (or |
| group) has not been permissioned within the Broker's <a class="link" href="../../java-broker/book/Java-Broker-Security-ACLs.html" target="_top">Access Control List |
| (ACL)</a>.</p></td></tr><tr><td><a id="JMS-Client-0-8-Appendix-Exceptions-CertificateException"></a>CertificateException</td><td>Unable to find certificate for recipient '<recipient>'</td><td> |
| <p>When using end to end message encryption, this exception indicates the the message recipent's |
| principal cannot be found in the truststore. See <a class="xref" href="JMS-Client-Message-Encryption.html" title="Chapter 9. Message Encryption">Chapter 9, <em>Message Encryption</em></a> |
| </p> |
| </td></tr></tbody></table></div></div><br class="table-break" /><p>The following table describes some of the more common exceptions linked to JMSException sent |
| to <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/ExceptionListener.html" target="_top">ExceptionListener</a> |
| instances.</p><div class="table"><a id="d0e3139"></a><p class="title"><strong>Table A.2. Exceptions linked to JMSExceptions received by ExceptionListeners</strong></p><div class="table-contents"><table border="1" summary="Exceptions linked to JMSExceptions received by ExceptionListeners" width="100%"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Linked Exception</th><th>Message</th><th>Explanation/Common Causes</th></tr></thead><tbody><tr><td><a id="JMS-Client-0-8-Appendix-Exceptions-AMQNoRouteException"></a>AMQNoRouteException</td><td>No Route for message [Exchange: <span class="emphasis"><em>exchange name</em></span>, Routing key: |
| <span class="emphasis"><em>routing key</em></span>] [error code 312: no route]</td><td><p>Indicate that the named exchange is unable to route a message to at least one |
| queue.</p> |
| <p>This will occur if a queue has been improperly bound to an exchange. Use the |
| Broker's management interface to check the bindings. See <a class="xref" href="JMS-Client-0-8-Client-Understanding-MessageProducer.html#JMS-Client-0-8-Client-Understanding-MessageProducer-MandatoryMessage" title="5.5.1. Mandatory Messages">Section 5.5.1, “Mandatory Messages”</a></p></td></tr><tr><td><a id="JMS-Client-0-8-Appendix-Exceptions-AMQNoConsumersException"></a>AMQNoConsumersException</td><td>Immediate delivery is not possible. [error code 313: no consumers]</td><td><p>Immediate delivery was requested by the MessageProducer, but as there are no |
| consumers on any target queue, the message has been returned to the publisher. See |
| <a class="xref" href="JMS-Client-0-8-Client-Understanding-MessageProducer.html#JMS-Client-0-8-Client-Understanding-MessageProducer-ImmediateMessage" title="5.5.3. Immediate Messages">Section 5.5.3, “Immediate Messages”</a> |
| </p></td></tr><tr><td>AMQDisconnectedException</td><td>Server closed connection and reconnection not permitted</td><td><p>Indicates that the connection was closed by the Broker, and as <a class="link" href="JMS-Client-0-8-Client-Understanding-Connection.html#JMS-Client-0-8-Client-Understanding-Connection-Failover" title="5.3.1. Failover">failover |
| options</a> are not included in the Connection URL, the client has been unable to |
| reestablish connection.</p> |
| <p>The Connection is now closed and any attempt to use either Connection object, or |
| any objects created from the Connection will receive an <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/IllegalStateException.html" target="_top">IllegalStateException</a>.</p></td></tr><tr><td><a id="JMS-Client-0-8-Appendix-Exceptions-AMQDisconnectedException"></a>AMQDisconnectedException</td><td>Server closed connection and no failover was successful</td><td><p>Indicates that the connection was closed by the Broker. The client has tried |
| failover according to the rules of the <a class="link" href="JMS-Client-0-8-Client-Understanding-Connection.html#JMS-Client-0-8-Client-Understanding-Connection-Failover" title="5.3.1. Failover">failover |
| options</a>within the Connection URL, but these attempts were all |
| unsuccessful.</p> |
| <p>The Connection is now closed and any attempt to use either Connection object, or |
| any objects created from the Connection will receive an <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/IllegalStateException.html" target="_top">IllegalStateException</a>.</p></td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Logging-EnablingDebugLogging.html">Prev</a> </td><td align="center" width="20%"> </td><td align="right" width="40%"> <a accesskey="n" href="JMS-Client-0-8-Appendix-Maven.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">11.2. Enabling Debug </td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%"> Appendix B. Minimal Maven POM</td></tr></table></div></div> |
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