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Yang, Tong
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
80 lines
8.6 KiB
HTML
80 lines
8.6 KiB
HTML
<a name="ALM-12067"></a><a name="ALM-12067"></a>
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<h1 class="topictitle1">ALM-12067 Tomcat Resource Is Abnormal</h1>
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<div id="body1547168282144"><div class="section" id="ALM-12067__section10369415133116"><h4 class="sectiontitle">Description</h4><p id="ALM-12067__p50249318">HA checks the Tomcat resources of Manager every 85 seconds. This alarm is generated when HA detects that the Tomcat resources are abnormal for two consecutive times.</p>
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<p id="ALM-12067__p49590684">This alarm is cleared when HA detects that the Tomcat resources become normal.</p>
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<p id="ALM-12067__p79241142103811"><strong id="ALM-12067__b7477489024496">Resource Type</strong> of Tomcat is <strong id="ALM-12067__b14760897284496">Single-active</strong>. Active/standby will be triggered upon resource exceptions. When this alarm is generated, the active/standby switchover is complete and new Tomcat resources have been enabled on the new active Manager. In this case, this alarm is cleared. This alarm is used to notify users of the cause of the active/standby Manager switchover.</p>
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</div>
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<div class="section" id="ALM-12067__section8323192410322"><h4 class="sectiontitle">Attribute</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12067__table1479793583212" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12067__row107991735133210"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="ALM-12067__p18799183583212">Alarm ID</p>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.2"><p id="ALM-12067__p1680123511326">Alarm Severity</p>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.3"><p id="ALM-12067__p1980173523217">Auto Clear</p>
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<tbody><tr id="ALM-12067__row880183517329"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="ALM-12067__p108014356328">12067</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="ALM-12067__p19802163593213">Major</p>
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</td>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="ALM-12067__p880215356323">Yes</p>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="ALM-12067__section652875914327"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12067__table1090459143316" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12067__row190429173313"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="ALM-12067__p129062911339">Name</p>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.2"><p id="ALM-12067__p10906093332">Meaning</p>
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<tbody><tr id="ALM-12067__row1287182713614"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12067__p17935380415">Source</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12067__p187931338134115">Specifies the cluster or system for which the alarm is generated.</p>
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</td>
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<tr id="ALM-12067__row18907109203311"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12067__p99095916333">ServiceName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12067__p4909159173310">Specifies the service for which the alarm is generated.</p>
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<tr id="ALM-12067__row4910691332"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12067__p39101953320">RoleName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12067__p5911189173310">Specifies the role for which the alarm is generated.</p>
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<tr id="ALM-12067__row59118923315"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12067__p0912169123319">HostName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12067__p169131916332">Specifies the host for which the alarm is generated.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="ALM-12067__section2990133614335"><h4 class="sectiontitle">Impact on the System</h4><ul id="ALM-12067__ul25260697"><li id="ALM-12067__li26019688">The active/standby Manager switchover occurs.</li><li id="ALM-12067__li32850608">The Tomcat process repeatedly restarts.</li></ul>
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</div>
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<div class="section" id="ALM-12067__section950130153414"><h4 class="sectiontitle">Possible Causes</h4><ul id="ALM-12067__ul12589142315014"><li id="ALM-12067__li3591142315501">The Tomcat directory permission is abnormal, and the Tomcat process is abnormal.</li></ul>
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</div>
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<div class="section" id="ALM-12067__section071212121445"><h4 class="sectiontitle">Procedure</h4><p id="ALM-12067__p3197164020479"><strong id="ALM-12067__b64575930152820">Check whether the permission on the Tomcat directory is normal.</strong></p>
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<ol id="ALM-12067__ol01141266283"><li id="ALM-12067__li111412602820"><span>In the alarm list on FusionInsight Manager, locate the row that contains the alarm, and click <span><img id="ALM-12067__image10114162611289" src="en-us_image_0263895412.png"></span> to view the IP address of the host for which the alarm is generated.</span></li><li id="ALM-12067__li2011432610283"><span>Log in to the alarm host as user <strong id="ALM-12067__b2011452617286">root</strong>. <span id="ALM-12067__text65184518511"></span></span></li><li id="ALM-12067__li6114182682819"><span>Run the <strong id="ALM-12067__b101141226122818">su - omm</strong> command to switch to user <strong id="ALM-12067__b1740514446548">omm</strong>.</span></li><li id="ALM-12067__li181141726192815"><span>Run the <strong id="ALM-12067__b19114226192818">vi $BIGDATA_LOG_HOME/omm/oms/ha/scriptlog/tomcat.log</strong> command to check whether the Tomcat resource log contains keyword <strong id="ALM-12067__b61141926122811">Cannot find <em id="ALM-12067__i1163833916240">XXX</em></strong> and rectify the file permission based on the keyword.</span></li><li id="ALM-12067__li51141626202816"><span>After 5 minutes, check whether the alarm is automatically cleared. </span><p><ul class="subitemlist" id="ALM-12067__ul911415261288"><li id="ALM-12067__li911492612811">If yes, no further action is required.</li><li id="ALM-12067__li1711402612820">If no, go to <a href="#ALM-12067__li711211264288">6</a>.</li></ul>
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</p></li></ol>
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<p id="ALM-12067__p124132216288"><strong id="ALM-12067__b1967293410811">Collect the fault information.</strong></p>
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<ol start="6" id="ALM-12067__ol7112102616281"><li class="subitemlist" id="ALM-12067__li711211264288"><a name="ALM-12067__li711211264288"></a><a name="li711211264288"></a><span>On FusionInsight Manager, choose <strong id="ALM-12067__b8360182718578">O&M</strong>. In the navigation pane on the left, choose <strong id="ALM-12067__b536002785718">Log</strong> > <strong id="ALM-12067__b33611827205714">Download</strong>.</span></li><li id="ALM-12067__li31126266289"><span>In the <strong id="ALM-12067__b1071163118573">Services</strong> area, select <strong id="ALM-12067__b3821031155716">OmmServer</strong> and <strong id="ALM-12067__b68263135711">Tomcat</strong>, and click <strong id="ALM-12067__b682931185716">OK</strong>.</span></li><li id="ALM-12067__li2011292612815"><span>Click <span><img id="ALM-12067__image51121126122816" src="en-us_image_0263895407.png"></span> in the upper right corner, and set <strong id="ALM-12067__b55511722583">Start Date</strong> and <strong id="ALM-12067__b17552923588">End Date</strong> for log collection to 10 minutes ahead of and after the alarm generation time, respectively. Then, click <strong id="ALM-12067__b8552127586">Download</strong>.</span></li><li id="ALM-12067__li15112192672816"><span>Contact <span id="ALM-12067__text1694528635">O&M personnel</span> and provide the collected logs.</span></li></ol>
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</div>
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<div class="section" id="ALM-12067__section169311343318"><h4 class="sectiontitle">Alarm Clearing</h4><p id="ALM-12067__p754913417333">This alarm is automatically cleared after the fault is rectified.</p>
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</div>
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<div class="section" id="ALM-12067__section8222143110380"><h4 class="sectiontitle">Related Information</h4><p id="ALM-12067__p3223173183819">None</p>
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</div>
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</div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_1298.html">Alarm Reference (Applicable to MRS 3.x)</a></div>
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</div>
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</div>
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