Administration/Configuration

The following issues pertain to administration and configuration of Message Queue.

• The imqadmin and imqobjmgr utilities throw an error when the CLASSPATH contains double quotes on Windows machines (Bug ID 5060769)

  Workaround You can ignore this error message; the broker correctly handles notifying consumers of any error. This error does not affect the reliability of the system.

• The -javahome option in all Solaris and Windows scripts does not work if the value provided contains a space (Bug ID 4683029).

  The javahome option is used by Message Queue commands and utilities to specify an alternate Java 2 compatible runtime to use. However, the path name to the alternate Java runtime must not contain spaces. The following are examples of paths that include spaces.

  Windows: C:/jdk 1.4

  Solaris: /work/java 1.4

  Workaround Install the Java runtime at a location or path that does not contain spaces.

• The imqQueueBrowserMaxMessagesPerRetrieve attribute specifies the maximum number of messages that the client runtime retrieves at one time when browsing the contents of a queue destination. Note that the client application will always get all the messages on the queue. Thus, the imqQueueBrowserMaxMessagesPerRetrieve attribute affects how the queued messages are chunked, to be delivered to the client runtime (fewer large chunks, or more smaller chunks), but it does not affect the total messages browsed. Changing the value of this attribute might impact performance, but it will not result in the client application getting more or less data (Bug ID 6387631).