I ran into this problem a couple weeks ago, and I just thought I would relay it to the group. We were in the process of putting a dynamically generated report together (quick and dirty) using struts. Here's a little bit of information about the platform we were running on:
Platform: Windows/2000, 2GB RAM, 900Mhz JVM: Sun 1.3.1_01 Servlets: Tomcat 3.2.3 (similar results for 3.3 & 4.01) The page we created had about 150 custom-tags on it, which took a 14K JSP file and blew it up to a 410K java file. javac compiled it fine. But when the class was loaded and used, the JVM would crash (see message below). Below are the results from a 'test.jsp' which used only '<bean:define>' tags: JVM FILE SIZE(K) NUMBER OF TAGS COMPILER CLASS JAVA TO CRASH JVM HotSpot Client 35 251 131 HotSpot Server 55 386 200 No Crash * Classic 56 386 200 No Crash * Note (*): You'll notice in this test that there was no crash for Hotspot Server and classic, however, I did get a "java.lang.VerifyError: ... Illegal target of jump or branch", meaning (I guess) that the class files are too big to be handled by the verifier. My original demo used about 150 tags, a mixture of Tags and BodyTags, and caused Hotspot Server to crash at around 113 tags and Hotspot Client crashed around 85, while Classic could not load-up my webapp. Obviously the design requires some rethinking, if we're reaching these types of limits. What I've learned is that custom-tags are *bulky* (as implemented in tomcat/catalina). As a corollary, I know try to use '<%=var1%>' instead of '<bean:write name="var1"/>' when feasible, etc. - Gidado Here's the message when the JVM crashed: # # HotSpot Virtual Machine Error, Internal Error # Please report this error at # http://java.sun.com/cgi-bin/bugreport.cgi # # Error ID: 47454E45524154452F4F502D41500E435050084B # # Problematic Thread: prio=5 tid=0x8ac06a8 nid=0x7cc runnable # -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>