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Java Forum / General / March 2008Tomcat 32 bits vs Tomcat 64 bits
Hi i'm new with Tomcat...i'm starting it in 64-bit mode on Solaris....but i need to use a 32-bit library....i want to know if the difference between 32-64 bits in jvm are really important...... tks !!!!!!!! > Hi i'm new with Tomcat...i'm starting it in 64-bit mode on > Solaris....but i need to use a 32-bit library....i want to know if the > difference between 32-64 bits in jvm are really important...... I run a 64-bit Tomcat with JARs intended for 32-bit JVMs all the time. Java doesn't care; the differences are subsumed in the JVMs. Bytecode is bytecode.  SignatureLew The word "I" is capitalized. > zambawrote: > > Hi i'm new with Tomcat...i'm starting it in 64-bit mode on [quoted text clipped - 7 lines] > Lew > The word "I" is capitalized. Lew, i have the problem that java sends me a null pointer exception when try to intantiate a binary class wich is intended for 32 bits running under TOMCAT wich was started with -d64 option.... > Lew, i [sic] have the problem that java sends me a null pointer exception > when try to intantiate a binary class wich is intended for 32 bits > running under TOMCAT wich was started with -d64 option.... And it runs correctly when you don't use that switch? The thing is, classes aren't intended for 32-bit nor 64-bit JVMs, just for JVMs. Your problem must lie elsewhere. Bytecode is bytecode. SignatureLew The word "I" in English is always capitalized. > Hi i'm new with Tomcat...i'm starting it in 64-bit mode on > Solaris....but i need to use a 32-bit library....i want to know if the > difference between 32-64 bits in jvm are really important...... If it is pure Java, then 32 or 64 or 57 bit does not matter. If the Java code calls native code via JNI then there may be an issue. Arne Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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