{"id":2433,"date":"2011-05-15T08:28:31","date_gmt":"2011-05-15T12:28:31","guid":{"rendered":"http:\/\/onlineappsdba.com\/index.php\/2011\/05\/15\/error-starting-oam-on-ibm-aix-aminitservlet-failed-to-preload-on-startup-oam-java-lang-exception-ininitializer-error\/"},"modified":"2011-05-15T09:32:13","modified_gmt":"2011-05-15T13:32:13","slug":"error-starting-oam-on-ibm-aix-aminitservlet-failed-to-preload-on-startup-oam-java-lang-exception-ininitializer-error","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2011\/05\/15\/error-starting-oam-on-ibm-aix-aminitservlet-failed-to-preload-on-startup-oam-java-lang-exception-ininitializer-error\/","title":{"rendered":"Error starting OAM on IBM AIX : AMInitServlet : failed to preload on startup oam java. lang. Exception InInitializer Error"},"content":{"rendered":"

If you are starting OAM 11g\u00a0server and it fails with error like below (start up errors are\u00a0logged on WebLogic<\/strong> managed server for OAM i.e. oam_server1 under $DOMAIN_HOME\/ servers\/ [oam_server1]\/ logs<\/strong>) then verify that JDK<\/strong> (java version) you are using is certified with OAM 11g<\/strong> version.<\/p>\n

_________
\n####<05-May-2011 13:58:03 o’clock BST> <Error> <HTTP> <servername>\u00a0<oam_server1> <[ACTIVE] ExecuteThread: ‘1’ for queue: ‘weblogic.kernel.Default (self-tuning)’> <<WLS Kernel>> <> <> <1304600283378> <BEA-101216><\/font><\/p>\n

<Servlet: “AMInitServlet” failed to preload on startup in Web application: “oam”. <\/strong>
\njava.lang.ExceptionInInitializerError at java.lang.ExceptionInInitializerError.<init>(ExceptionInInitializerEr
\nror.java:72)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 at java.lang.J9VMInternals.initialize(J9VMInternals.java:130)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 at oracle.security.am.engines.sso.adapter.SMEAdapter.<init>(SMEAdapter.java:81)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 at oracle.security.am.engines.sso.adapter.SMEAdapter.<clinit>(SMEAdapter.java:96)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 at java.lang.J9VMInternals.initializeImpl(Native Method)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)
\n<\/font>____________<\/p>\n

\u00a0.<\/p>\n

Issue<\/strong> : In my case java version was 1.6 release 4 (on IBM AIX)
\nFix <\/strong>: Upgrade JDK to certified version i.e. IBM 1.6 release 7 or higher<\/p>\n

.<\/p>\n

____________
\njava -version
\njava version “1.6.0”
\nJava(TM) SE Runtime Environment (build pap6460sr4ifix-20090617_02(SR4<\/strong>+IZ51489+IZ45701+IZ52413+IZ52880))
\nIBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 AIX ppc64-64 jvmap6460sr4ifx-20090601_36519 (JIT enabled, AOT enabled)
\nJ9VM – 20090601_036519_BHdSMr
\n<\/font>____________<\/p>\n

.<\/p>\n

How to find certified JDK version with Oracle Identity and Access Management ?<\/u><\/strong><\/p>\n

For certified JDK\/JVM with Oracle Access Manager 11g, check Identity and Access Management certification matrix click here<\/a>\u00a0 (sheet “Current System Certification<\/strong>“)<\/p>\n

For Fusion Middleware 11g certification<\/strong> matrix click here<\/a><\/p>\n

.<\/p>\n

How to find which JAVA (JDK) OAM server is using ?<\/u><\/strong><\/p>\n

There could be multiple JDK (Java 1.6_10 or 1.6_17 or 1.5_XX) installed on same machine under different directories. To find out JDK used by running server on Unix run command\u00a0“ps -ef | grep java<\/strong>”<\/p>\n

Note down output like below
\n____________
\nidam11g\u00a0 22441 22391\u00a0 2 May09 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02:54:08 \/oracle\/apps\/java\/bin\/java<\/strong>-jrockit -Xms512m -Xmx1024m -Dweblogic.Name=AdminServer -Djava.security.policy=\/oracle\/apps\/idam11g\/mw_home\/wlserver_10.3\/serve…….
\n<\/font>___________<\/p>\n

To find JDK version for above server run
\n“\/oracle\/apps\/java\/bin\/java -version<\/font><\/strong>”<\/p>\n

Output like below indicates that Server (Dweblogic.Name=AdminServer<\/font>) is using JRockit 28<\/strong>\u00a0which is equivalent to\u00a0JAVA 1.6\u00a0update 17<\/strong>
\n_____
\njava version “1.6.0_17<\/strong>”
\nJava(TM) SE Runtime Environment (build 1.6.0_17-b04)
\nOracle JRockit<\/strong>(R) (build R28.0.0<\/strong>-679-130297-1.6.0_17-20100312-2128-linux-ia32, compiled mode)
\n<\/font>_____<\/p>\n","protected":false},"excerpt":{"rendered":"

If you are starting OAM 11g\u00a0server and it fails with error like below (start up errors are\u00a0logged on WebLogic managed […]<\/p>\n","protected":false},"author":115,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[42],"tags":[],"class_list":["post-2433","post","type-post","status-publish","format-standard","hentry","category-troubleshooting"],"yoast_head":"\nError starting OAM on IBM AIX : AMInitServlet : failed to preload on startup oam java. lang. 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