2430132 - Software Update Manager (SUM) Error in DEPLOY-SHADOW-INSTANCE for Target < NW 750

N.B. This article is applicable where the Target NW Version is less than NW 750

Software Update Manager (SUM) fails with the below error in the step  DEPLOY-SHADOW-INSTANCE (Logfile: <Path to SUM>/SUM/sdt/log/SUM/DEPLOY-SHADOW-INSTANCE_XX.LOG)

Feb 9, 2017 3:33:44 PM [Error ]: Deployment finished with error. See Deploy Controller log <Path to SUM>/SUM/sdt/log/SUM/deploy_api.0.log for details.
Feb 9, 2017 3:33:44 PM [Info ]: Deployment message for component LMNWABASICAPPS : Deployment of archive <path to download directory>/LMNWABASICAPPS13_0-20009947.SCA for component sap.com/LMNWABASICAPPS aborted
Detailed message: 1. Already deployed component has version:1000.7.40.13.0.20160420183600
1. Contains Aborted deployment component:
sap.com_tc~sec~saml2~cfg~app
Deployment of archive <path to download directory>/LMNWABASICAPPS13_0-20009947.SCA --> sap.com~tc~sec~saml2~cfg~app.ear for component sap.com/tc~sec~saml2~cfg~app aborted
Detailed message: 1. null (row:-1, col:-1)
-> Cannot process non-standard encoding ASCII on a JDK that is not provided by Sun: java.lang.ClassNotFoundException: sun.io.ByteToCharConverter
------------------------- Loader Info -------------------------
ClassLoader name: [library:sapxmltoolkit]
Loader hash code: 14b95942
Living status: alive
Direct parent loaders:
[system:Frame]
[library:stax_api]
Resources:
<path to SUM>/SUM/sdt/system/<SID>/JCXX/j2ee/cluster/bin/ext/sapxmltoolkit/lib/sap.com~tc~sapxmltoolkit~sapxmltoolkit.jar
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Upgrade to Target < NW 750 with SUM

sapxmltoolkit, ByteToCharConverter, sun.io.ByteToCharConverter, DEPLOY-SHADOW-INSTANCE, 2342502, sapjvm , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , BC-JAS-DPL , Deployment , Problem