Microsoft KB Archive/328225

= BUG: Microsoft Virtual Machine for Java Causes Access Violation When You Run Very Large Array Operations =

Article ID: 328225

Article Last Modified on 9/16/2002

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APPLIES TO


 * Microsoft virtual machine 38xx Series

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This article was previously published under Q328225



SYMPTOMS
The Microsoft Virtual Machine for Java (VM) causes an Access Violation (AV) under very heavy load when you run the VM through JRun in a three-tiered Internet application.



CAUSE
When you allocate space for a very large array, and then copy data to this array, the Microsoft Virtual Machine for Java may throw an IndexOutOfBoundsException error. Under very heavy load, the Microsoft VM may handle this exception incorrectly, which causes an Access Violation.

This problem was originally experienced in a three-tiered Web application that had Java code running on the middle tier. In this scenario, the Microsoft VM was launched through the JRun program.



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.

Keywords: kbbug kbpending KB328225

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