To use the Salesforce cloud adapter you have to apply patch at both server side and client side

 Applying Salesforce Adapter Patch In JDeveloper

1] Set Oracle Home to jdeveloper as below in CMD

>set ORACLE_HOME=D:\Oracle\Middleware\jdeveloper

2]Set OPatch as Path variable as below

>set path=D:\Oracle\Middleware\oracle_common\OPatch;%PATH%

3]Goto Home of Salesforce adapter patch

>cd D:\Oracle\Middleware\17897781

4]Goto sa

>cd sa

5]Then apply the OPatch using following Command

>opatch apply -jdk D:\Oracle\Middleware\jdk160_24 -jre

Appling Patch At Server Side(Patch p19190139)

1] Set Current Directory to this (p19190139)

$ cd /p19190139

2] Set Oracle home  and Opatch in the path using

$ export PATH=$ORACLE_HOME/bin:$ORACLE_HOME/OPatch:$PATH this command

3] Then Apply the Patch using

$ opatch apply