NonStop Server for Java 6.0 Programmer's Reference

For Java programmers who want to determine application performance and behavior, this manual
describes how to use the HPeprof and HPROF profilers to obtain runtime information for a NonStop
Server for Java 6.0 program and also analyze profile data using the HPjmeter.
For developers new to NonStop systems, this document:
• Explains NonStop system fundamentals as they apply to the NonStop Server for Java 6.0
product.
• Refers to other appropriate NonStop system documentation.
New and Changed Information
Changes added to this revision part number 546595–006 are:
• “Feature Changes” (page 8)
• “Document Changes” (page 8)
Feature Changes
From NSJ 6.0 SPR — T2766H60^ACH and later versions provide the option
-Djava.security.nativeRNG option. Enabling this option reduces the startup time for the
first invocation of SecureRandom. This option can be enabled using the command:
-Djava.security.nativeRNG=true
Document Changes
The document changes are:
• Added section “Java Signal Handlers” (page 69).
• Added section “Change in Loading of .hotspot_compiler and .hotspotrc files”
(page 70).
• Added section “Oracle’s Implementation” (page 79).
• Added unsupported information in “Supported and Unsupported Features of NonStop Server
for Java 6.0” (page 87).
• Updated the section “Node Agent” (page 90).
• Provided references to the HPjmeter 4.2 User's Guide in the appropriate sections.
Changes added to this revision part number 546595-005 are:
• “Feature Changes” (page 8)
• “Documentation Changes” (page 8)
Feature Changes
NonStop Server for Java 6.0 supports the following feature:
• address = transport-address-for-this-connection is updated to support a range of port values,
to be specified withcommand line options to run a debuggee.
Documentation Changes
The documentation changes are:
• Updated address=transport-address-for-this-connection for “java Command Line Options to
Run a Debuggee” (page 55).
• Added new Note in “java Command Line Options to Run a Debuggee” (page 55).
• Added new content to the Introduction of “Application Profiling” (page 76).
• Added new sub-section “Attaching to the JVM Agent of a Running Application” (page 89).
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