Wednesday, November 4, 2020

OIC - Exception Handling

 OIC provides two out of the box features to handle exceptions.

  • Scope Handler:
Scope is one of the out of the box activity allow you to bundle a set of activities which have their own variables, Faults and event handlers. In other words, scope allow you to handle error raised in IC. It is like as try and catch block in other programming languages as java, dotnet etc. every scope activity has their own fault handlers which is treated as catch block.

Click here oic-scope-level-error-handling for POC.

  • Global Fault Handler:

The Global fault handler is super catch block which handle all the errors which are not supported by scope handlers. This functionality enables you to direct business faults to the caller or apply business logic before sending faults to the error handling framework. you can add fault handling to any integration type.

Click here oic-global-fault-handling-in-app-driven for POC.

Tuesday, November 3, 2020

OIC - Connectivity Agent part 2

 This includes:

  • Pre-requisites for Connectivity Agent
  • Download Connectivity Agent
  • Install Connectivity Agent
  • Start/Stop Connectivity Agent.
  • Log files of Connectivity Agent
Pre-requisites for Connectivity Agent:

Download Connectivity Agent:
Step 1:
Go to the OIC Agents ⇾ Create Agent group ⇾ Provide Agent Group Name ⇾ create

Next click the Download button ⇾ Connectivity agent and it will download
Connectivity Agent Installation:
Here showing the installation in Linux system.

Step1: Java jdk 8 version should be installed.
export JAVA_HOME=/home/opc/java/jdk1.8.0_251
export path=$JAVA_HOME/bin:$PATH
java -version
java version "1.8.0_251"
Java (TM) SE Runtime Environment (build 1.8.0_251-b08)
Java HotSpot (TM) 64-bit Server VM (build 25.251-b08, mixed mode)

Step2: unzip zip file
ls -ltr

Step3: Provide OIC url and agent group name in InstallerProfile.cfg
vi  InstallerProfile.cfg
Put the following details:
agent_Group_Identifier: AGENT_GROUP

java -jar connectivityagent.jar

proceeding to install a new agent
Enter your OIC username:
Enter password for user:
Done with Agent installation & Configurations... Starting Agent for message processing.
Agent started successfully...Now available for new message.

Now go to the OIC agents and see 1 connectivity agent is created under Agent_GROUP. If you go to the Monitoring agents, you will see the agent is active in green.
No go the linux page and ctrl +c to shutdown it. and you will see the agent in red monitoring agent.

To run the connectivity in background.
nohup java -jar connectivityagent.jar &

and also add the oic_user and oic_password in the InstallerProfile.cfg file.
oic password=welcome

Start/Stop Connectivity Agent:

nohup java -jar connectivityagent.jar &

Go to agenthome 
cat pid
kill -9 5160

Log files of Connectivity Agent:
cd agenthome/logs
ls -ltr

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