+1, good idea ! Costin
Glenn Nielsen wrote: > I have some ideas on how invoking the javac compiler for compiling JSP > pages can be > improved. Currently Jasper 2 uses ant to do compiles from within Tomcat > which are synchronized. > > There are currently several problems. > > 1. The known javac memory leak. > > 2. JSP page compiles are synchronized. > > 3. Jikes currently can't be configured for windows because the windows > build of > jikes doesn't support -encoding. > > 4. We may be getting some bug reports related to this problem noted in the > Ant > documentation for the javac task: > > Windows Note:When the modern compiler is used in unforked mode on Windows, > it locks up the files present in the classpath of the <javac> task, and > does not release them. The side effect of this is that you will not be > able to delete or move those files later on in the build. The workaround > is to fork when invoking the compiler. > > Recommendation: > > Change Jasper 2 so that it tells ant to fork the javac compile. This > should remove the need > to synchronize the compiles. It will also move java compilation outside > of the JVM process Tomcat is running in saving JVM heap memory and > reducing GC overhead from objects created for > JSP compiles. This could be done by just adding another parameter called > "fork" to the JspServlet paramters. If fork=true ant forks the javac > compile and no synchronization is done. The default for fork would be > false. > > Comments? > > Regards, > > Glenn -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>