A Java core dump occurs while performing a search from an applet

A Java™ core dump occurs in WebSphere® Application Server during a search from an applet when the Java Virtual Machine (JVM) heap size is too small.

About this task

The core dump contains the following message:
NULL ------------------------------------------------------------------------
0SECTION TITLE subcomponent dump routine
NULL ===============================
1TISIGINFO OUTOFMEMORY received

To prevent this problem, increase the JVM heap size limit.

Procedure

  1. Open the WebSphere Application Server administrative console.
  2. Log in to the server using the following URL:

    http://machine name:port_number/ibm/console/

    Example: The local host is localhost. The connection port is 9060. Log in to the local host with http://localhost:9060/ibm/console/.

  3. Select Servers > Application Servers > server1. Use an equivalent name, if you are not using the default server name.
  4. Select Java and Process Management > Process Definition > Java Virtual Machine.
  5. Navigate to the Maximum Heap Size parameter.
  6. Set the value to 1024 or higher. If the physical memory is greater, you can set the maximum heap size higher.
  7. Save the configuration.
  8. Restart the Identity Manager Server.
    1. Access the WebSphere Application Server administrative console main window.
    2. Select Applications > Enterprise Applications.
    3. Select the check box next to the ITIM application.
    4. Click Stop.
    5. Wait for the following message:
      Application ITIM on server server_name and node node_name stopped successfully.
    6. Select the check box next to the ITIM application.
    7. Click Start.
    8. Wait for the following message:
      Application ITIM on server server_name and node node_name started successfully.