{"id":31035,"date":"2024-02-18T18:04:40","date_gmt":"2024-02-18T17:04:40","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/?p=31035"},"modified":"2024-02-18T18:04:42","modified_gmt":"2024-02-18T17:04:42","slug":"oracle-zdm-migration-java-security-invalidkeyexception-invalid-key-format","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/oracle-zdm-migration-java-security-invalidkeyexception-invalid-key-format\/","title":{"rendered":"Oracle ZDM Migration &#8211; java.security.InvalidKeyException: invalid key format"},"content":{"rendered":"\n<p>ZDM tool migration requires SSH Passwordless Login without passphrase between ZDM Host, the source and the target. Configuring appropriate keys might still result in a java security exception on this one. In this blog I will tell you how to deal with such a problem. I faced this problem implementing ZDM to migrate On-Premise Database to new ExaCC at one of our customer.<\/p>\n\n\n<a class=\"wp-block-read-more\" href=\"https:\/\/www.dbi-services.com\/blog\/oracle-zdm-migration-java-security-invalidkeyexception-invalid-key-format\/\" target=\"_self\">Read more<span class=\"screen-reader-text\">: Oracle ZDM Migration &#8211; java.security.InvalidKeyException: invalid key format<\/span><\/a>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-setting-up-ssh-passwordless-login\">Setting up SSH Passwordless Login<\/h2>\n\n\n\n<p>First of all we need to create the private and public key on the ZDM Host.<\/p>\n\n\n\n<p>From the ZDM host, with zdmuser, go in the ~\/.ssh folder and run ssh-keygen.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\n[zdmuser@zdmhost .ssh]$ ssh-keygen\nGenerating public\/private rsa key pair.\nEnter file in which to save the key (\/home\/zdmuser\/.ssh\/id_rsa):\nEnter passphrase (empty for no passphrase):\nEnter same passphrase again:\nYour identification has been saved in \/home\/zdmuser\/.ssh\/id_rsa.\nYour public key has been saved in \/home\/zdmuser\/.ssh\/id_rsa.pub.\nThe key fingerprint is:\nSHA256:8uTp************************ziw zdmuser@zdmhost\nThe key's randomart image is:\n+---[RSA 3072]----+\n|   oo+==.        |\n...\n...\n...\n|    o.+..        |\n+----[SHA256]-----+\n<\/pre>\n<\/br>\n\n\n\n<p>This will create 2 keys, one private (id_rsa) and one public (id_rsa_pub).<\/p>\n\n\n\n<p>Get the content of the public key.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\n[zdmuser@zdmhost .ssh]$ cat id_rsa.pub\nssh-rsa AAAA************************vaU= zdmuser@zdmhost\n<\/pre>\n<\/br>\n\n\n\n<p>And add the content of the public RSA key to the authorized_keys file from both ExaCC Cluster VMs (target ExaCC-cl01n1 and ExaCC-cl01n2) opc user and the on-premises VM (source vmonpr) oracle user.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1,3,5]\">\n[opc@ExaCC-cl01n1 .ssh]$ echo \"ssh-rsa AAAA************************vaU= zdmuser@zdmhost\" &gt;&gt; authorized_keys\n\n[opc@ExaCC-cl01n2 .ssh]$ echo \"ssh-rsa AAAA************************vaU= zdmuser@zdmhost\" &gt;&gt; authorized_keys\n\noracle@vmonpr:\/home\/oracle\/.ssh\/ [ONPR] echo \"ssh-rsa AAAA************************vaU= zdmuser@zdmhost\" &gt;&gt; authorized_keys\n<\/pre>\n<\/br>\n\n\n\n<p>We will then test SSH connection to the 3 VMs and ensure no password are requested. Example:<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\n[zdmuser@zdmhost migration]$ ssh opc@ExaCC-cl01n1\nLast login: Fri Feb  2 16:58:04 2024 from 10.160.52.122\n[opc@ExaCC-cl01n1 ~]$\n<\/pre>\n<\/br>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-check-zdm-migration\">Check ZDM migration<\/h2>\n\n\n\n<p>Checking ZDM migration with zdmcli and -eval option might get failed:<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1,7,15,25,26]\">\n[zdmuser@zdmhost migration]$ \/u01\/app\/oracle\/product\/zdm\/bin\/zdmcli migrate database -sourcesid ONPR -rsp \/home\/zdmuser\/migration\/zdm_ONPR_physical_online.rsp -sourcenode vmonpr -srcauth zdmauth -srcarg1 user:oracle -srcarg2 identity_file:\/home\/zdmuser\/.ssh\/id_rsa -srcarg3 sudo_location:\/usr\/bin\/sudo -targetnode ExaCC-cl01n1 -tgtauth zdmauth -tgtarg1 user:opc -tgtarg2 identity_file:\/home\/zdmuser\/.ssh\/id_rsa -tgtarg3 sudo_location:\/usr\/bin\/sudo -tdekeystorepasswd -tgttdekeystorepasswd -eval\nzdmhost.domain.com: Audit ID: 50\nEnter source database ONPR SYS password:\nzdmhost: 2024-02-02T16:30:19.487Z : Processing response file ...\nOperation \"zdmcli migrate database\" scheduled with the job ID \"11\".\n\n[zdmuser@zdmhost migration]$ \/u01\/app\/oracle\/product\/zdm\/bin\/zdmcli query job -jobid 11\nzdmhost.domain.com: Audit ID: 52\nJob ID: 11\nUser: zdmuser\nClient: zdmhost\nJob Type: \"EVAL\"\nScheduled job command: \"zdmcli migrate database -sourcesid ONPR -rsp \/home\/zdmuser\/migration\/zdm_ONPR_physical_online.rsp -sourcenode vmonpr -srcauth zdmauth -srcarg1 user:oracle -srcarg2 identity_file:\/home\/zdmuser\/.ssh\/id_rsa -srcarg3 sudo_location:\/usr\/bin\/sudo -targetnode ExaCC-cl01n1 -tgtauth zdmauth -tgtarg1 user:opc -tgtarg2 identity_file:\/home\/zdmuser\/.ssh\/id_rsa -tgtarg3 sudo_location:\/usr\/bin\/sudo -tdekeystorepasswd -tgttdekeystorepasswd -eval\"\nScheduled job execution start time: 2024-02-02T17:30:19+01. Equivalent local time: 2024-02-02 17:30:19\nCurrent status: FAILED\nResult file path: \"\/u01\/app\/oracle\/chkbase\/scheduled\/job-11-2024-02-02-17:30:48.log\"\nMetrics file path: \"\/u01\/app\/oracle\/chkbase\/scheduled\/job-11-2024-02-02-17:30:48.json\"\nJob execution start time: 2024-02-02 17:30:48\nJob execution end time: 2024-02-02 17:30:48\nJob execution elapsed time: 0 seconds\n\nResult file \"\/u01\/app\/oracle\/chkbase\/scheduled\/job-11-2024-02-02-17:30:48.log\" contents:\nzdmhost: 2024-02-02T16:30:48.591Z : Processing response file ...\nzdmhost: 2024-02-02T16:30:48.595Z : Processing response file ...\nPRCZ-4002 : failed to execute command \"\/bin\/cp\" using the privileged execution plugin \"zdmauth\" on nodes \"ExaCC-cl01n1\"\njava.security.InvalidKeyException: invalid key format\n<\/pre>\n<\/br>\n\n\n\n<p>Error of failed execution is :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>java.security.InvalidKeyException: invalid key format<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-solution\">Solution<\/h2>\n\n\n\n<p>The problem is due to the fact that ZDM only supports RSA key and the generated key was an OPENSSH key.<\/p>\n\n\n\n<p>Checking current key, we can see that the key is an openssh key:<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1,4]\">\n[zdmuser@zdmhost .ssh]$ head -n1 id_rsa\n-----BEGIN OPENSSH PRIVATE KEY-----\n\n[zdmuser@zdmhost .ssh]$ tail -n 1 id_rsa\n-----END OPENSSH PRIVATE KEY-----\n<\/pre>\n<\/br>\n\n\n\n<p>We need to convert the private key to PEM format.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\n[zdmuser@zdmhost .ssh]$ ssh-keygen -p -m PEM -f ~\/.ssh\/id_rsa\nKey has comment 'zdmuser@zdmhost'\nEnter new passphrase (empty for no passphrase):\nEnter same passphrase again:\nYour identification has been saved with the new passphrase.\n<\/pre>\n<\/br>\n\n\n\n<p>The new key looks now like.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1,4]\">\n[zdmuser@zdmhost .ssh]$ head -n1 id_rsa\n-----BEGIN RSA PRIVATE KEY-----\n\n[zdmuser@zdmhost .ssh]$ tail -n 1 id_rsa\n-----END RSA PRIVATE KEY-----\n<\/pre>\n<\/br>\n\n\n\n<p>And, now, zdmcli eval command is succeeding.<\/p>\n\n\n\n<pre class=\"brush: sql; gutter: true; first-line: 1; highlight: [1]\">\n[zdmuser@zdmhost migration]$ \/u01\/app\/oracle\/product\/zdm\/bin\/zdmcli query job -jobid 39\nzdmhost.domain.com: Audit ID: 434\nJob ID: 39\nUser: zdmuser\nClient: zdmhost\nJob Type: \"EVAL\"\nScheduled job command: \"zdmcli migrate database -sourcesid ONPR -rsp \/home\/zdmuser\/migration\/zdm_ONPR_physical_online.rsp -sourcenode vmonpr -srcauth zdmauth -srcarg1 user:oracle -srcarg2 identity_file:\/home\/zdmuser\/.ssh\/id_rsa -srcarg3 sudo_location:\/usr\/bin\/sudo -targetnode ExaCC-cl01n1 -tgtauth zdmauth -tgtarg1 user:opc -tgtarg2 identity_file:\/home\/zdmuser\/.ssh\/id_rsa -tgtarg3 sudo_location:\/usr\/bin\/sudo -tdekeystorepasswd -tgttdekeystorepasswd -eval\"\nScheduled job execution start time: 2024-02-14T14:18:19+01. Equivalent local time: 2024-02-14 14:18:19\nCurrent status: SUCCEEDED\nResult file path: \"\/u01\/app\/oracle\/chkbase\/scheduled\/job-39-2024-02-14-14:18:29.log\"\nMetrics file path: \"\/u01\/app\/oracle\/chkbase\/scheduled\/job-39-2024-02-14-14:18:29.json\"\nJob execution start time: 2024-02-14 14:18:29\nJob execution end time: 2024-02-14 14:21:18\nJob execution elapsed time: 2 minutes 48 seconds\nZDM_GET_SRC_INFO ........... PRECHECK_PASSED\nZDM_GET_TGT_INFO ........... PRECHECK_PASSED\nZDM_PRECHECKS_SRC .......... PRECHECK_PASSED\nZDM_PRECHECKS_TGT .......... PRECHECK_PASSED\nZDM_SETUP_SRC .............. PRECHECK_PASSED\nZDM_SETUP_TGT .............. PRECHECK_PASSED\nZDM_PREUSERACTIONS ......... PRECHECK_PASSED\nZDM_PREUSERACTIONS_TGT ..... PRECHECK_PASSED\nZDM_VALIDATE_SRC ........... PRECHECK_PASSED\nZDM_VALIDATE_TGT ........... PRECHECK_PASSED\nZDM_POSTUSERACTIONS ........ PRECHECK_PASSED\nZDM_POSTUSERACTIONS_TGT .... PRECHECK_PASSED\nZDM_CLEANUP_SRC ............ PRECHECK_PASSED\nZDM_CLEANUP_TGT ............ PRECHECK_PASSED\n<\/pre>\n<\/br>\n","protected":false},"excerpt":{"rendered":"<p>ZDM tool migration requires SSH Passwordless Login without passphrase between ZDM Host, the source and the target. Configuring appropriate keys might still result in a java security exception on this one. In this blog I will tell you how to deal with such a problem. I faced this problem implementing ZDM to migrate On-Premise Database [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[59],"tags":[2598,3267,1574],"type_dbi":[],"class_list":["post-31035","post","type-post","status-publish","format-standard","hentry","category-oracle","tag-exacc-3","tag-oracle-migration","tag-zdm"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Oracle ZDM Migration - java.security.InvalidKeyException: invalid key format - dbi Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/oracle-zdm-migration-java-security-invalidkeyexception-invalid-key-format\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle ZDM Migration - java.security.InvalidKeyException: invalid key format\" \/>\n<meta property=\"og:description\" content=\"ZDM tool migration requires SSH Passwordless Login without passphrase between ZDM Host, the source and the target. 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