Steps performed after the prepare phase on the patch file system. 1) Download jdk 64 bit and 32 bit from Knowledge Document 1439822.1 2)identified java homes in step 3.4 3) in the step 3.5 Upgrading Java Home Used With Oracle E-Business Suite Release 12.2 we are on a older java version "1.7.0_25" and wanted a higher version so opted step 3.5.2 ======> is this the right choice 64-bit Linux x86-64 operating system (for JDK 7.0 previously migrated environment): $ cd [COMMON_TOP]/util/ $ rm -rf jdk32 /* Remove previous JDK 7 maintenance release */ $ rm -rf jdk64 /* Remove previous JDK 7 maintenance release */ $ /* Install the latest JDK 7.0 Update here*/ $ mv jdk1.7.0_[latest_32-bit_update#] jdk32 $ mv jdk1.7.0_[latest_64-bit_update#] jdk64 3.5.2.2. Run Oracle E-Business Suite AutoConfig utility : Ran the autoconfig utility on the patch file system ====> is this the right choice Section 4: Upgrading to Latest Java 7.0 in Oracle Fusion Middleware 11g Web Tier Step 4.2: Replace JDK Home Used in the Web Tier of Oracle Fusion Middleware 11g Home $ cd [FMW_HOME]/webtier $ mv jdk jdk_old /* Now install the downloaded latest JDK 7.0 Update. In this example, the version is 1.7.0_9. Then perform the following steps. */ $ mv jdk1.7.0_9 jdk $ rm -rf jdk_old Section 5: Upgrading to Latest Java 7.0 in OracleAS 10.1.2 Oracle_Home Step 5.2: Replace JDK Home Used With Oracle E-Business Suite Release 12.2 $ cd [10.1.2_ORACLE_HOME] $ mv jdk jdk_old /* Now install the downloaded latest JDK 7.0 Update here. In this example the version is 1.7.0_9. Then perform the following step. */ $ mv jdk1.7.0_9 jdk $ rm -rf jdk_old all pre-requisite forms patches were present Followed the steps as it is Step 5.4: Rebuild Forms and Reports Executables (For UNIX/Linux Only) performed cutover Section 6: Cut Over to Newly Installed JDK 7.0 Patch File System ======> This step was partially successful :Section 7: Verify Application Tier Node Configurations was able to compile the custom jdk script but when tried to run from the browser it didnt appear in the browser. Verified the CLASSPATH and it was fine Step 7.2.1: Check JDK version and CLASSPATH ---=====> Step 7.2.2: Verify Oracle E-Business Suite concurrent programs It didnt launch forms, we are running a seperate SR for launching of forms issue. the jdk test didnt complete successfully. Also want to update you regarding the java versions used to update jdk. in $COMMON_TOP/util jdk64 folder was replaced with 64 bit of jdk version for linux86_64 i.e.jdk-7u321-linux-x64.tar.gz patch id : p33416555_170321_Linux-x86-64.zip jdk32 folder was replaced with 32 bit of jdk version for linux x86 i.e. jdk-7u321-linux-i586.tar.gz patch id : p33416555_170321_LINUX.zip for all other homes jdk-7u321-linux-x64.tar.gz was used. Thanks