{"id":53096,"date":"2022-11-22T18:29:45","date_gmt":"2022-11-22T18:29:45","guid":{"rendered":"https:\/\/dbtut.com\/?p=53096"},"modified":"2022-11-22T18:38:52","modified_gmt":"2022-11-22T18:38:52","slug":"weblogic-server-is-too-slow","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2022\/11\/22\/weblogic-server-is-too-slow\/","title":{"rendered":"Weblogic Server Is Too Slow"},"content":{"rendered":"<p>In Oracle Weblogic, sometimes our services open slower than expected, even if it is opened, the &#8220;7001\/console&#8221; screen makes us wait.<\/p>\n<p>I did a little research on some servers not having these waits on some servers.<\/p>\n<h4>Example log as below<\/h4>\n<pre class=\"lang:default decode:true \">&lt;Info&gt; &lt;IIOP&gt; &lt;xapp30&gt; &lt; xapp-1-7003&gt; &lt;[ACTIVE] ExecuteThread: \u20180\u2019 for queue:\r\n \u2018weblogic.kernel.Default (self-tuning)\u2019&gt;<\/pre>\n<pre class=\"lang:default decode:true \">&lt;&lt;WLS Kernel&gt;&gt; &lt;&gt; &lt;&gt; &lt;5721179149433&gt; &lt;BEA-002014&gt; &lt;IIOP subsystem enabled.&gt;\r\n\r\n<\/pre>\n<p>Now let&#8217;s come to the reason; After Weblogic services are installed on Linux, when opening, it generates a random number for security reasons and processes it to the services and affects the performance of the startup.<\/p>\n<p>This number generation is done with the \u201d \/dev\/random \u201d command. If you want to test it yourself, you can check the turnaround time on your own server by using the &#8220;head \u2013n 1 \/dev\/random&#8221; command.<\/p>\n<p>Like me, if your wait times are longer than necessary, we will shorten them with \u201d dev\/urandom \u201d.<\/p>\n<p>First of all, we enter the java.security file with the VI editor.<\/p>\n<pre class=\"lang:default decode:true \">$JAVA_HOME\/jre\/lib\/security\/java.security\r\n<\/pre>\n<p>Find and replace this line.<\/p>\n<pre class=\"lang:default decode:true \">\u201csecurerandom.source=file:\/dev\/random\u201d\r\n<\/pre>\n<p>In its place<\/p>\n<pre class=\"lang:default decode:true \">\u201csecurerandom.source=file:\/dev\/.\/urandom\u201d\r\n<\/pre>\n<p>You will see the difference when you turn off all services and turn them back on.<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_53096\" class=\"pvc_stats all  \" data-element-id=\"53096\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In Oracle Weblogic, sometimes our services open slower than expected, even if it is opened, the &#8220;7001\/console&#8221; screen makes us wait. I did a little research on some servers not having these waits on some servers. Example log as below &lt;Info&gt; &lt;IIOP&gt; &lt;xapp30&gt; &lt; xapp-1-7003&gt; &lt;[ACTIVE] ExecuteThread: \u20180\u2019 for queue: \u2018weblogic.kernel.Default (self-tuning)\u2019&gt; &lt;&lt;WLS Kernel&gt;&gt; &lt;&gt; &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_53096\" class=\"pvc_stats all  \" data-element-id=\"53096\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":574,"featured_media":53102,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-53096","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-oracle"],"aioseo_notices":[],"a3_pvc":{"activated":true,"total_views":302,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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