Added: incubator/brooklyn/site/v/0.7.0-incubating/ops/troubleshooting/deployment.html URL: http://svn.apache.org/viewvc/incubator/brooklyn/site/v/0.7.0-incubating/ops/troubleshooting/deployment.html?rev=1693583&view=auto ============================================================================== --- incubator/brooklyn/site/v/0.7.0-incubating/ops/troubleshooting/deployment.html (added) +++ incubator/brooklyn/site/v/0.7.0-incubating/ops/troubleshooting/deployment.html Fri Jul 31 12:23:59 2015 @@ -0,0 +1,825 @@ +<!-- +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. 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+<p>The error <code>Invalid YAML: Plan not in acceptable format: Cannot convert ...</code> means that the text is not +valid YAML. Common reasons include that the indentation is incorrect, or that there are non-matching +brackets.</p> + +<p>The error <code>Unrecognized application blueprint format: no services defined</code> means that the <code>services:</code> +section is missing.</p> + +<p>An error like <code>Deployment plan item io.brooklyn.camp.spi.pdp.Service@23c159e2[name=<null>,description=<null>,serviceType=com.acme.Foo,characteristics=[],customAttributes={}] cannot be matched</code> means that the given entity type (in this case com.acme.Foo) is not in the catalog or on the classpath.</p> + +<p>An error like <code>Illegal parameter for 'location' (aws-ec3); not resolvable: java.util.NoSuchElementException: Unknown location 'aws-ec3': either this location is not recognised or there is a problem with location resolver configuration</code> means that the given location (in this case aws-ec3) +was unknown. This means it does not match any of the named locations in brooklyn.properties, nor any of the +clouds enabled in the jclouds support, nor any of the locations added dynamically through the catalog API.</p> + +<h2 id="vm-provisioning-failures">VM Provisioning Failures</h2> + +<p>There are many stages at which VM provisioning can fail! An error <code>Failure running task provisioning</code> +means there was some problem obtaining or connecting to the machine.</p> + +<p>An error like <code>... Not authorized to access cloud ...</code> usually means the wrong identity/credential was used.</p> + +<p>An error like <code>Unable to match required VM template constraints</code> means that a matching image (e.g. AMI in AWS terminology) could not be found. This +could be because an incorrect explicit image id was supplied, or because the match-criteria could not +be satisfied using the given images available in the given cloud. The first time this error is +encountered, a listing of all images in that cloud/region will be written to the debug log.</p> + +<p>Failure to form an ssh connection to the newly provisioned VM can be reported in several different ways, +depending on the nature of the error. This breaks down into failures at different points:</p> + +<ul> + <li>Failure to reach the ssh port (e.g. <code>... could not connect to any ip address port 22 on node ...</code>).</li> + <li>Failure to do the very initial ssh login (e.g. <code>... Exhausted available authentication methods ...</code>).</li> + <li>Failure to ssh using the newly created user.</li> +</ul> + +<p>There are many possible reasons for this ssh failure, which include:</p> + +<ul> + <li>The VM was âdead on arrivalâ (DOA) - sometimes a cloud will return an unusable VM. One can work around +this using the <code>machineCreateAttempts</code> configuration option, to automatically retry with a new VM.</li> + <li>Local network restrictions. On some guest wifis, external access to port 22 is forbidden. +Check by manually trying to reach port 22 on a different machine that you have access it.</li> + <li>NAT rules not set up correctly. On some clouds that have only private IPs, Brooklyn can automatically +create NAT rules to provide access to port 22. If this NAT rule creation fails for some reason, +then Brooklyn will not be able to reach the VM. If NAT rules are being created for your cloud, then +check the logs for warnings or errors about the NAT rule creation.</li> + <li>ssh credentials incorrectly configured. The Brooklyn configuration is very flexible in how ssh +credentials can be configured. However, if a more advanced configuration is used incorrectly (e.g. +the wrong login user, or invalid ssh keys) then this will fail.</li> + <li>Wrong login user. The initial login user to use when first logging into the new VM is inferred from +the metadata provided by the cloud provider about that image. This can sometimes be incomplete, so +the wrong user may be used. This can be explicitly set using the <code>loginUser</code> configuration option. +An example of this is with some Ubuntu VMs, where the âubuntuâ user should be used. However, on some clouds +it defaults to trying to ssh as ârootâ.</li> + <li>Bad choice of user. By default, Brooklyn will create a user with the same name as the user running the +Brooklyn process; the choice of user name is configurable. If this user already exists on the machine, +then the user setup will not behave as expected. Subsequent attempts to ssh using this user could then fail.</li> + <li>Custom credentials on the VM. Most clouds will automatically set the ssh login details (e.g. in AWS using<br /> +the key-pair, or in CloudStack by auto-generating a password). However, with some custom images the VM +will have hard-coded credentials that must be used. If Brooklynâs configuration does not match that, +then it will fail.</li> + <li>Guest customisation by the cloud. On some clouds (e.g. vCloud Air), the VM can be configured to do +guest customisation immediately after the VM starts. This can include changing the root password. +If Brooklyn is not configured with the expected changed password, then the VM provisioning may fail +(depending if Brooklyn connects before or after the password is changed!).</li> +</ul> + +<p>A very useful debug configuration is to set <code>destroyOnFailure</code> to false. This will allow ssh failures to +be more easily investigated.</p> + +<h2 id="timeout-waiting-for-service-up">Timeout Waiting For Service-Up</h2> + +<p>A common generic error message is that there was a timeout waiting for service-up.</p> + +<p>This just means that the entity did not get to service-up in the pre-defined time period (the default is +two minutes, and can be configured using the <code>start.timeout</code> config key; the timer begins after the +start tasks are completed).</p> + +<p>See the guide on <a href="troubleshooting-runtime-errors.html">runtime errors</a> for where to find additional information, especially the section on +âEntityâs Error Statusâ.</p> + + </div> + + <div class="col-md-3"> + <div class="list-group side-menu" id="side-menu"> + + + + + + + <h4 class=" with_following"> + <a href="/v/0.7.0-incubating/index.html" class="list-group-item breadcrumb breadcrumb0"> + User Guide + </a></h4> + + <h4 class=" with_preceding with_following"> + <a href="/v/0.7.0-incubating/ops/index.html" class="list-group-item breadcrumb breadcrumb1"> + Operations + </a></h4> + + <h4 class=" with_preceding"> + <a href="/v/0.7.0-incubating/ops/troubleshooting/index.html" class="list-group-item breadcrumb breadcrumb2"> + Troubleshooting + </a></h4> + + + + + + <a href="/v/0.7.0-incubating/ops/troubleshooting/overview.html" class="list-group-item">Overview + </a> + + + + + + <a href="/v/0.7.0-incubating/ops/troubleshooting/deployment.html" class="list-group-item active">Deployment + </a> + + + + + + <a href="/v/0.7.0-incubating/ops/troubleshooting/connectivity.html" class="list-group-item">Server Connectivity + </a> + + + + + + <a href="/v/0.7.0-incubating/ops/troubleshooting/softwareprocess.html" class="list-group-item">SoftwareProcess Entities + </a> + + + + + + <a href="/v/0.7.0-incubating/ops/troubleshooting/going-deep-in-java-and-logs.html" class="list-group-item">Going Deep in Java and Logs + </a> + + + + + + + +</div> +<div id="width_reference"></div> + + +<script language="JavaScript" type="application/javascript"> + + +sidemenu_x_sizer=function(){ $('#side-menu').width($('#side-menu').parent().find('#width_reference').outerWidth()); 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