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HP-UX: Memory Corruption Using JAVA Database (Doc ID 204292.1)

Last updated on DECEMBER 14, 2023

Applies to:

Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
HP-UX PA-RISC (64-bit)
HP-UX PA-RISC (32-bit)
HP 9000 HP-UX 11.0 (32 bit)


This note describes some symptoms that may be encountered as a result of hitting HP-UX port specific <Bug 2042715>.

Versions of Oracle Affected
  8.1.X 32 bit
  8.1.X 64 bit

  The bug is fixed in 9.0.1

Platforms Affected
  HP-UX 11.00 and 11i - 32 bit
  HP-UX 11.00 and 11i - 64 bit

Heavy use of Java on the server can cause PGA memory corruption leading to a variety of problems like ORA-600 or ORA-7445 errors or spinning processes. Specifically, two or more JVM threads can end up sharing the same stack, which is illegal.

Unfortunately, due to the nature of the memory corruption, it is not possible to characterize the problem into a small set of easily identifiable symptoms.

Likelihood of Occurrence
Whenever heavy use of JVM is made on the database.




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