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ID Category Severity Reproducibility Date Submitted Last Update
0005153 [Resin] minor always 07-24-12 18:13 07-25-12 14:57
Reporter TheScrumMeister View Status public  
Assigned To ferg
Priority normal Resolution fixed  
Status closed   Product Version 4.0.18
Summary 0005153: JavaCompiler (compiling a jsp page) livelock when ThreadPool is full
Description When a JSP file requires recompilation (created or modified), the java compilation is executed on a thread from the ThreadPool. During the JSP compilation process all client requests that come in await the compilation process.

If the JSP page produces compile errors, thus cannot be compiled properly, the client requests queue up until the thread pool is out of threads. Once that happens, even if the JSP is updated to remove the compile errors, it is possible for a livelock to occur between the JavaCompiler waiting for a free thread from the thread pool, and the thread pool waiting for the JavaCompiler to compile the page properly.
Additional Information JavaCompiler has a property MaxCompileTime that defaults to 2 minutes, is that configurable?

This issue was detected before, as seen in line# 681:
// the compiler may not be well-behaved enough to use the ThreadPool

Can we change the compilation process run on its own thread? or at least call the ThreadPool.schedulePriority()?
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- Issue History
Date Modified Username Field Change
07-24-12 18:13 TheScrumMeister New Issue
07-25-12 14:57 ferg Assigned To  => ferg
07-25-12 14:57 ferg Status new => closed
07-25-12 14:57 ferg Resolution open => fixed
07-25-12 14:57 ferg Fixed in Version  => 4.0.30

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