Modify variables using scripting

 

Use scripting and the wsadmin tool to modify variables in WebSphere Application Server. Before starting this task, the wsadmin tool must be running. See the Start the wsadmin scripting client article for more information.

 

Overview

Perform the following steps to modify a WAS variable:

 

Procedure

1. There are two ways to perform this task. Choose one of the following:

   • Use the AdminTask object:

     Use Jacl:

     $AdminTask setVariable {-interactive}
     

     Use Jython:

     AdminTask.setVariable (['-interactive'])
     

   • Use the AdminConfig object. The following examples modify the DB2_JDBC_DRIVER_PATH variable on the node level:

     Use Jacl:

     set varName DB2_JDBC_DRIVER_PATH set newVarValue C:/SQLLIB/java
      set node [$AdminConfig getid /Node:myNode/]
      set varSubstitutions [$AdminConfig list VariableSubstitutionEntry $node]
      foreach varSubst $varSubstitutions {
        set getVarName [$AdminConfig showAttribute $varSubst symbolicName]
        if {[string compare $getVarName $varName] == 0} {
           $AdminConfig modify $varSubst [list [list value $newVarValue]]
           break   } 
     }
     

     Use Jython:

     varName = "DB2_JDBC_DRIVER_PATH" newVarValue = "C:/SQLLIB/java"
      node = AdminConfig.getid("/Node:myNode/")
      varSubstitutions = AdminConfig.list("VariableSubstitutionEntry",node).split(java.lang.System.getProperty("line.separator"))
      for varSubst in varSubstitutions:
        getVarName = AdminConfig.showAttribute(varSubst, "symbolicName")
        if getVarName == varName:
           AdminConfig.modify(varSubst,[["value", newVarValue]])
           break
     

2. Save the configuration changes. See the Saving configuration changes with the wsadmin tool article for more information.

3. In a network deployment environment only, synchronize the node. See the Synchronizing nodes with the wsadmin tool article for more information.

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Use the AdminConfig object for scripted administration

 

Related Reference

Commands for the AdminConfig object