Sometimes, IDP installation on SRX will be failing with the below error:

Error encountered while Install Signature for device

However, this is a generic error. To find the root cause of this issue, we need to check the logs as mentioned in symptoms section

You will see the following error in SD.log under /var/log/jboss/servers/server1

2025-03-25 03:30:48,198 ERROR [net.juniper.jnap.sm.common.SDCommonProperitesUtil] (JobThread1212534, Parent JobThread1212533) Error while file read: java.io.FileNotFoundException: /var/cache/jboss/sd/sd-common-config.properties (No such file or directory)

The file sd-common-config.properties won't be showing under /var/cache/jboss/sd in the customer's setup and JTAC Lab.

As a workaround, please follow the steps below:

vi /var/cache/jboss/sd/sd-common-config.properties >> add the parameter "config.status.iterations=2"

Once done, please give below ownership and permission:

chown jboss:jboss /var/cache/jboss/sd/sd-common-config.properties

chmod 755 /var/cache/jboss/sd/sd-common-config.properties

The issue will be fixed in SD 23.1 hotpatchv9