Solution for keytool and jarsigner not found error while signing jacob.jar file

Step 1 - Take a backup of the sign_webutil.sh script.

[weblogic@testserver-k bin]$ cp sign_webutil.sh sign_webutil.sh_OG

Step 2 - Find the java installation location in your server.

[weblogic@testserver-k bin]$ which java

path/to/your/java/bin

Step 3 - Edit the hardcoded keytool and jarsigner paths as follows:

FROM:

error_text=`/u01/app/oracle/product/12.2.1/wlserver/../jdk/bin/keytool -genkey -dname "CN=$DN_CN, OU=$DN_OU, O=$DN_O, C=$DN_C" \

        -alias $JAR_KEY -keypass $JAR_KEY_PASSWORD -keystore $KEYSTORE \

        -storepass $KEYSTORE_PASSWORD -validity $VALIDDAYS`

TO:

error_text=`path/to/your/java/bin/keytool -genkey -dname "CN=$DN_CN, OU=$DN_OU, O=$DN_O, C=$DN_C" \

        -alias $JAR_KEY -keypass $JAR_KEY_PASSWORD -keystore $KEYSTORE \

        -storepass $KEYSTORE_PASSWORD -validity $VALIDDAYS`


AND

FROM:

error_text=`/u01/app/oracle/product/12.2.1/wlserver/../jdk/bin/jarsigner -keystore $KEYSTORE -storepass $KEYSTORE_PASSWORD -keypass $JAR_KEY_PASSWORD \

          $1 $JAR_KEY`

TO:

error_text=`path/to/your/java/bin/jarsigner -keystore $KEYSTORE -storepass $KEYSTORE_PASSWORD -keypass $JAR_KEY_PASSWORD \

          $1 $JAR_KEY`

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